Follow us on:

Caterpillar cable control unit

caterpillar cable control unit 4in, White 4. The Labor Unit breaks down labor into 100ths of an hour to make estimates more precise. Make sure you have everything you need to keep you warm by replacing any faulty cables. Some merchandise may be limited in supply or available only by special order. See Appendix 1 for wiring and pin-out information. The Cat Model 24 Unit, used on D6, D7 and some early D8's, uses the same discs as found in the early D4 steering clutch. An explanation of the types of sensors found in an engine, including their typical functions and locations. 5"(W) x 2. unit control box does all of the actual switching and doubles as a fuse box, opening the circuit when it detects a fault and resetting after the problem is corrected and the M. 7in, W0. Terminal Supply Co. 03 ( Bids) Time Remaining: 20d 22h 21m Buy It Now for only: $103. Cat® ET is diagnostic software that can help technicians to diagnose existing and potential problems with their electronically controlled Caterpillar Engines and Machines. The cables are delivered on non-returnable wooden drums as per customer requirement CAT3, CAT 5e, or CAT 6 cable Category 3 cable, commonly known as Cat 3 or station wire, is an unshielded twisted pair (UTP) cable designed to reliably carry data up to 10 Megabits/sec. Control Cable Product Detail Page: Leviton, 47605-C5B, Cat 5E Voice & Data Module, Individual Boxed Unit Pack, LE347 Shop Electrical Supplies Online at Crescent Electric Supply Company. Direct RS-232 without need of external level converter. Connect the other end of the cable to one of the RJ25 ports (C) available on the ACCU-CHEK Inform II Base Unit HUB. Discover why professionals have trusted PORTER-CABLE for over 100 years. eyes' cables to extend over Cat-5 with Dolphin connectors. The No. Hydraulic boat steering makes maneuvering on the water far easier over manual steering, whether you’re trying to pass another boat, turn around, or avoid colliding objects in the water. Caterpillar D8 Crawler # 29 Cable Control Attachment Parts Manual (SN# 31E1-31E11623) Fits: 128 Cable Control Attachment (SN# 31E1-31E11623) | 29 Cable Control Attachment (SN# 31E and U. The ECI-100 Universal Engine and Control Interface is an innovative and affordable solution for bridging engine instrumentation and drive-by-wire steering with Raymarine autopilot and navigation systems. All engines have a “powerband”, an RPM range in which the engine operates most efficiently and makes the best power. This added about $42 to the cost of a $27 unit, but i could have saved half of the extra cost by cutting the I. Not responsible for typographical errors. 8"(D) (140 x 72 x 20mm) w/o Knob Weight: Approx. 7867 Customer Service Fax: 765. ZENITH TU Series Carb Kit Caterpillar Hercules John Deere Pony Motor W/ Float. 5mm Mini TRS-M output/input. So an install/configuration of an AP and it's cable may be 2 hours @ $95 + 60 ft cable @ $0. Get a great deal on this replacement part, the ADP 76722700 Control Board for SEP/FSA/FOA Unit Heaters online here with the heating and cooling professionals at PlumbersStock. T-Splitter cable with connector for EHC-2 control box for John Deere 7020 / 8020 Series Tractors with GREENSTAR ™ ready wiring harness. Hydraulic Directional Control Valve for Tractor Loader w Joystick 2 Spool $103. Discover the full range of wire and cable products at Reelpower Industrial today. 20 Data Cables for Molex SEMMCONN and AMP® SDL Connectors 4. AND. 10 kW MEP003A and MEP112A. 5 HP while handling pressure ratings of 2000 and 2500 psi. Wait for the red LED to blink twice. cat d7 17a running unit poor undercarriage . 1-855-791-5322. Featured . USB Interface Unit for CAT control and audio interface for the FT-450D, FT-817ND, FT-857D, FT-897D, FT-950, FT-2000, FTDX1200, FTDX5000, FTDX9000. 21 Direct Burial Cables 4. To put it simply, a CANbus control unit is a small cable and adapter system, which is installed in between the wiring of your vehicle and the LED bulb. 64 lbs with Radio Unit, Controller, Control Cable Big Beautiful Display Enjoy the easy of operation that comes from the FTM-400 big 3. The name "coaxial" refers to the common axis of the two conductors. Excess control unit cable is stowed in a long S-fold under the white polyester. Designed for ease of installation and flexibility for ergonomic positioning and mounting per customer's specific-ations, this product is adaptable for a wide range of electronic throttle applications requiring a robust, durable design, with finite adjustment capabilities. These Extenders convert the HDMI signal using TCP/IP over a single Cat 6 cable or an unmanaged, dedicated network switch. 70, and No. These Cat. CIC Cable in Conduit for buried distribution sys - tems. 550-114 - Arctic Cat Slide Black (sold each). Base Unit Light(s), using a small screwdriver or similar tool. Our large inventory of Caterpillar parts for the C-series, 3000 to 3500-Series and everything in between, are chosen for their superior quality and each come with a 12-month guarantee. This is why COM8 on your radio appears dead. of data). UL 1015; UL 1007/1569; UL 1283; UL 1284; Switchboard (SIS) UL 3173; UL 1429; UL UL CSA CE Approved Shielded Thermoplastic Elastomer (TPE) AWC carries many types of flexible control cables, including halogen free cable which is healthier and safer than most standard cables because it does not emit toxic gases when it burns. generalcable. Existing twisted pair house cables / feed cables may be used without introducing I extended this unit from my media rack to my 3 tv's after purchasing 2 additional I. Model 59N, part number cross reference 6Y-0265, 6Y0275, 6Y0256, & 6Y0255. Press and hold Power and OK. Cat3-6 cables are a part of a family of copper Boat Lift Remote Control Unit: All new remote control units now come with a new key chain pendant hand held transmitter and super powerful radio receiver. The plenum rating that we are talking about actually refers to the jacket that surrounds the cable. Plastic, Steel and PVC are materials options available in Cable Management. Cable rated with 300V insulation is a common type of wire used in industrial plants for instrumentation, but power limited tray cable (PLTC) can't be used on Class PORTER-CABLE® has a proud history of power tool and pneumatic tool innovation. 8"(H) x 0. 5"(W) x 1. 2. A look at the cable control unit that works the blade on my D9. These cables sets are compatible with the OBDI Tuner and WinFlash programs and are also compatible with most scan tool and data logging programs for the OBDI GM vehicle with the 8192 baud data stream. 284. IP Video Storage Systems and IP Transmission Solutions Browse Veracity's full range of IP transmission solutions, POE Switches, Power over Ethernet, Long Range Extenders and Ethernet over Coax devices for IP video installers and our video wall controllers, surveillance storage systems and command and control systems. 2014 cat 623h scraper. Physical layer Electrical 29 Computerized Profiler Control 30 Caterpillar Monitoring System 31 Electronic Scraper Transmission Control 33 Engine Control #2 34 Engine Control #3 35 Engine Control #4 36 Engine Control #1 37 Engine Control #5 38 Engine Control #6 39 Machine Control Module 40 Engine Control #7 41 Engine Control #8 42 Engine Control #9 43 Engine Control #10 Use our website to review and source top control cable manufacturers with roll over ads and detailed product descriptions. 4m). Contact your dealer. Select proper heat from 0-100% wattage with infinite control over the first 50% of total wattage. 0 SuperSpeed port for I/Q connectivity (for HDSDR) only. If your PC does not have an RS-232 port, the interface works well in conjunction with USB to RS-232 converters. MUNCIE POWER PRODUCTS 201 East Jackson Street Muncie, Indiana 47305-2834 Phone: 765. STANDARD TERMS AWG American Wire Gauge, based on the cir - cular mil system where 1 mil equals 0. Dometic SeaStar offers the most reliable, safe, and easy to use steering products on the marine market. The rack adopts steel welding structure. This particular product was designed to be brought into a primitive landing zone by Waco CG-4A glider, C-47, or C-46. Standard Wire & Cable Co. What is the top-selling product within Cable Management? The top-selling product within Cable Management is the Legrand Wiremold Cordmate II Cord Cover Kit, White. The Control Cables can be use for indoor & outdoor control panel wiring. In 1949 The No. ) Standard 22 or 24 AWG twisted pair telephone wire used for speakers. The second USB port (USB2) is a USB 3. 777parts. 1 Introduction 1 Cable and Cable Cutter 2 Cable Threading 2 Operation, including Safety Precautions 3 Functions of Power Control Unit 5 Specifications 6 Preparation for Initial Operation 6 Cut-away view of Unit Cat control handles, control assemblies, control groups, and other electronic controls parts ensure proper control of your machinery's operations & mechanisms. Fiber Products Extend devices using singlemode/multimode fiber optic cable: KVM, A/V, and USB. RG6 Quad Shield - Coaxial cable type commonly used to distribute video. One-way all call to all speakers available. unit i Get the best deals on CAT Control Systems & PLCs when you shop the largest Motor Double Cable 4i-5496 Stepping Motor A Controller W/5332E Processor Unit. Even an aftermarket undercarriage for Caterpillar rubber track machines requires you to know the make and model of your equipment. Golf. 28 Overall Beldfoil c) From cable reel to cable tray, the cable is fed from the top of the reel to main-tain required curvature. LAPP India offers High Quality Power & Control Cables at most affordable prices. R. Diagnostic Tool provides a link between service tools and engine management system using various data links such as J1939/11, DeviceNet (future release), cat DataLink, and J1708 (ATA) vehicle networks. What is the abbreviation for Cable Control Unit? What does CCU stand for? CCU abbreviation stands for Cable Control Unit. Because LED car bulbs use a lower wattage than other bulbs, the CANbus canceller helps to increase the current safely and without damaging the bulb. Note that it does not control the PTT line or pass audio. 2. View PDF. ready to go to work. Radio does not support CAT PTT. $50. They’re an ideal choice if you’re looking to replace or upgrade the pump unit on your pressure washer. 99 Our Caterpillar Cable Unit 24, 25, 27, 29 Parts Manual is a high-quality reproduction of factory manuals from the OEM (Original Equipment Manufacturer). Member Quick Links Caterpillar Multi-Station Control System (MSCS) provides engine controls and transmission control for single or dual engine applications with a maximum of eight control stations per vessel. 5200 Series Universal Mount Control Cable Is a push-pull style cable for most medium duty PTO and hoist applications. The tank should be at least one and a half times the pump gpm output and the oil level must remain above the pump intake at all times. There is not much to the unit itself to go wrong. $799 Caterpillar 46 Hydraulic Control Front Mounted Parts Manual. c. Works with 10BASE-T, 100BASE-T, and 1000BASE-T Gigabit Ethernet standards, and meets ANSI/TIA-568A-5 standards. To protect the equipment, ensure that the central control unit (CCU) is always off when connecting or disconnecting the conference units. It is the sucessor to the earlier FT-857. The data speeds for Cat 5e is 100 Megabits/sec, and Cat 6 is 500 Megabits/sec. DC-DC Power Converters Power converters to convert variable DC input voltages to stabilized output voltages. Caterpillar D9G fitted with CCU for operating a scraper box Model 25 Cable Control Unit Discs, BRAKE BANDS, BRAKE LININGS The Cat 25 Cable Control Unit, used on D6's, D7's, D8's, uses the same discs as the D5 D6 D7 steering clutches. It’s a digitally formatted handbook that covers every aspect of repair. The unit shown below does not have the AD Tiltdozer on it. Using a hybrid cable with a power supply, the distance between the camera head and CCU can be extended up to 600 m. The cable passes the test if it does not propagate the fire. Shelf Mount Control Unit - Now Supports BIU!!! This control unit is a universal control unit that can be used in any style traffic cabinet. Diesel Parts Direct stocks parts for Caterpillar engines like the 3196 and 3114, and we’re committed to service too. 5 out of 5 stars 7,164 3600 Type TFXtreme Control Cable with 10-32 UNF Threaded End for Mercury Products (1965-Date), Force (1993-Date) (0) $79. DataMax® Extreme EtherCoil — the first true Cat 5e coil/retractile cord Call +1 (800) 368-3311 email sales@quabbin. 5 in)] of patch panels. It consist of a local sending unit and remote receiving unit connected by two standard solid Category 5e/6 twisted pair solid Ethernet cables. Compatible with most tractor models including John Deere, Case, Kubota, Ford and Massey Ferguson, or any other machine using 1/2″ Body ISO 5675/Pioneer Style couplers . 3 out of 5 stars 2,358 Instrumentation and control stations are a plug-in feature & support digital & analog gauges. 31 Unshielded 4. 60, No. 7 ft) Part number EC8000-01 COBLATOR™ II system set-up* COBLATOR II surgery system specifications Diesel Parts Direct is a leading supplier of new, aftermarket and remanufactured parts for Caterpillar engines. Additionally, USB cables are also used for charging a variety of gadgets including mobile phones or for transferring data from one computer to another. Cables & Adapters Cables and adapters for monitor/display, keyboard, and mouse connections. 27 Unshielded 4. unit works with both 6 volt and 12 volt systems, so the antique crowd isn’t forgotten. Catalog. The Maretron NMEA 2000 ® Network Installation Guide offers details on Maretron's entire line of cabling and connector products, as well as a guide to planning and installing NMEA 2000 ® networks. In some rare cases, there might be a problem with the engine control module not controlling the alternator’s charging. Can Cable Management be returned? Yes, Cable Management can be returned and have a 180-Day return period. Volkswagen. It also can be a delivery method for Power, control data, and audio are transported from one unit to the next over the same shielded Cat5e cable. About the ADP 76722700. At CTP, we not only offer you premium parts but also an exceptional service, outstanding savings and the support you need to get your order quickly and accurately. CAT D10R, 59N Winch Came off D10R, good used winch, w/ 1” cable, and mounting brackets. 15. The drive-by-wire system is by no means a new concept as it was introduced by BMW on their 7 series range back in 1988. cat d7 17a angle blade and rear 25 cable control . CAT Caterpillar ET Diagnostic Tool enable service technicians to reprogram ECMs, reconfigure control system parameters, fine tune performance or diagnose the root cause of a failure the first time. Additionally, you can extend up to 200 feet* at 1080i resolution. Trystar provides portable and industrial power solutions including I-Lines, generator docking stations, transformers, switchgear, ATS, cable and more. LED will blink twice. Use keypad, input 982. The easYgen-3000 series is a versatile control unit, incorporating all the features of the easYgen-2500 including enhanced load sharing. 90 scraper was made for the D8, which was another cable unit. Use these cables for high-precision motion control. • First, prepare the cable for termination by bringing all cables into a bundle. Infinite control for noninductive loads up to 15 Amps. The CAT timeout should be set to 3000ms. BACKGROUND OF THE INVENTION The cable control unit comprising the present invention is particularly applicable for use on small winch assemblies of the type employed on boat trailers but also can be satisfactorily used with any one of a variety of comparable winch constructions to provide the plural functions of guiding the cable during a winding or unwinding thereof, maintaining the cable in Cat 5e - The most common type of structured wiring cable. DURA-CABLE provides excellent durability while offering exceptional safety for your animals. 95: Buy Now Add to Wish List: RIG Control Cable for Icom CI-V 58107-971: $9. Be careful, the RJ­11 6P4C's are very common but they are too wide for the plug. Separating Class 1 remote-control and signaling circuits from power circuits may also present new challenges when using composite power and control cables. We offer Genuine OEM Caterpillar manuals for your Caterpillar equipment. Mark the ends of the cables with colored electrical tape for the outlet location. 9cm (3. Toll Free: 800-989-9632; Phone: 248-362-0790; Fax: 800-989-0824; sales@terminalsupplyco. CAT PTT . Sheaves, or a shoe, may be used to guide the cable into the tray. Press and hold Power and OK. 23 Overall Beldfoil Shield 4. Call Josh at or email [email protected] Now, Cat automated solutions — and their benefits — are making their way into the construction industry as we work to make sure operations of all sizes can work more safely and productively. provides CAT communication to a USB terminal Includes a USB audio system, so the radio's TX and RX audio is also imported into the PC by the same USB cable laying of cable. Today, Caterpillar is building on proven Cat Command technology by launching a complete remote-control and semi-autonomous product line for construction. Use any of the four chain connectors (A, B, C, and/or D) for connecting DCS-LAN components. Never has the humble element Cu (copper) been so adaptable, flexible, and amazingly helpful in so many areas. 80, and all were operated by cable control units. One -way all call to all speakers available. This new combination allows the remote controls to ope… Teleflex CC179 Control Cable Assembly 600A Series The Teleflex CC 179 control cable assembly is an OEM direct-replacement type cable designed to fit Mercury engine control heads which use a proprietary control connection. 367. Replacement capsule valves, fuel nozzles, pencil nozzles, unit injectors, and the latest design electronic fuel injection products are offered to support all engines from the early D-Series to the latest Tier 4 compliant design. We provide sustainable solutions that help our customers effectively manage electrical, hydraulic, and mechanical power – more safely, more efficiently, and more reliably. Phone: (866) 248-7060 Fax: (800) 335-1270 www. 1 Man Hour = 1 Labor Unit. EICS combines key components - ignition system (powered by FW Murphy’s IntelliSpark® Ignition technology), air/fuel control, speed governing, interface and diagnostics, sensors, harnesses, catalyst and engine control unit (ECU) - in one package, saving you money and man-hours associated with the installation and setup of separate engine Radio Unit 5. 5 cables can be run up to 500’ (152. 46 Items. Like the zirconia sensor, this type is nonlinear, such that it is sometimes simplistically described as a binary indicator, reading either "rich" or "lean". Moog Inc. No high power amplifier required. Buy Cables Online in India at the best price ever. Optimus 360 gives your boat a whole new dimension of control. That’s why at Dennis Kirk, we stock the largest selection of Arctic Cat parts and accessories for the lowest guaranteed prices. Designed for ease of installation and flexibility for ergonomic positioning and mounting per customer's specific-ations, this product is adaptable for a wide range of electronic throttle applications requiring a robust, durable design, with finite adjustment capabilities. P-45® Okolene-Okoseal Insulated 1000V Multiple Conductor Control Cable. Add To My List. A coaxial cable has a solid copper or copper-clad-steel centre conductor surrounded by a non-conductive dielectric insulating material. 24 Overall Foil/Braid Shield 4. It is charged using a standard USB to Micro-USB cable and charger. This 114 page Caterpillar 46 Hydraulic Control Front Mounted Parts Manual covers Caterpillar 46 Hydraulic Control including serial numbers 1W1 – 1W5000, 25C1 and up, 2W1 – 2W5000, 46C1 and up, 3W1 – 3W731. Enjoy superior sound quality with the car audio systems from Sony. operated control for engine RPM. Also shown here clearly is the cable control unit. I prefer the cleaner look. OBD1 USB/ALDL Cable Sets: We also offer the same high quality OBDI USB/ALDL interface cable sets that are included in the LT1 Tuning kits separately. control unit for oil pressure control. 8cm (4. 03: Hydraulic Joystick Remote Push Pull Cable Control for Two Spool Loader Valves $139. 1800 Thunderbird Troy, MI 48084. 7 gallons per minute. 99. A pressure gauge is recommended to help spot potential system problems. The transmission has gear ratios that keep the engine in its powerband through a range of vehicle speeds, so you can accelerate from a stop, as well as cruise at 65 mph on the freeway. The DLS6100M is perfect for production testing of xDSL modems. UL chainflex PVC control cableFlexible Ele Cable: Germany: Banglore Air Cargo: MTR: 500: 24,255: 49: Nov 22 2016: 85444999: 51202971-102 COMBO IO LINK 6-DROP CABLE GREY (PARTS FOR PLANT CRUZ CONTROLLER) China: Bombay Air Cargo: NOS: 20: 207,425: 10,371: Nov 22 2016 The device’s 5 pin XLRF connector/cable asembly allows it to be connected to a point in a DMX data chain to allow testing and or control of the various DMX/RDM channel functions. Morse Controls T Handle for Utility Cables - 3-1/2" Aluminum. Caterpillar forklift parts for forklifts built since 1992 will be the same as Mitsubishi part numbers. CAN Bus Description. O. If the total unit load exceeds 32, a splitter, repeater or booster can be used. • Canopy or shed for turnstile to protect from direct rain and sunlight. Home Arctic Cat Repair Manuals DOWNLOAD Arctic Cat Repair Manual ZR/XF 5000 6000 7000 8000 9000 August 13, 2018 Webmaster Arctic Cat Repair Manuals 2 An Arctic Cat snowmobile repair manual, termed Arctic Cat service manual or Arctic Cat workshop manual, is a handbook containing instructions on how to fix or mend a snow-machine so as to return A directional control valve with optional pressure kickout feature controls a double acting cylinder. Feel every beat of your favorite song and enjoy the power of music as you drive along. Found this old 2U D8 sitting in northern Minnesota, with a couple of old Cable Control Units sitting in the brush nearby. speedometer drive cable. 95 Power I/O Cable (9-pin “Y” cable with Paccar end) Connects to a truck’s 9-pin diagnostic connector for power and vehicle data on either J1587 or J1939 data links. The tube up the right side carries the cable forward. These were designed to be used with the Caterpillar D6, D7, and D8 tractors, and the scrapers were designated the No. Whatever you need, Diesel Parts Direct has you covered. Flexible for weaving around obstructions, these ready-to-use cables operate valves, throttle controls, and HVAC damper controls from a distance. This is an online forum where professionals who work with Caterpillar equipment and engines can exchange information, find answers, and get expert advice from their peers. SEASTAR SOLUTIONS. 2 lbs) Height 8. 25 High-Temperature Control & Instrumentation Cable 4. Located in Bellevue, Iowa. Volume controls and amplifiers in each speaker. P. Tighten the locknut to secure your setting in applications where severe vibration is a concern. Immersion Tank Flange Heaters - Storage Tank Heaters. Also use for DX-77, DX-77EQ, DX-701 and DX-707. 05 GHz) Maretron supplies a full line of NMEA 2000 ® Approved cabling and connectors to form a reliable backbone for any NMEA 2000 ® system. 1 Man/Hour = 1 electrician working for 1 hour. ZÖLLNER Signal Control Unit (SSE2) In order to connect all components, the warning devices and the train detectors are connected to the SSE2. Obviously if this was cheaper cable I hope it would accounted for. Author's photo from the Caterpillar Visitor Center in Peoria, IL. 28–4. Engine Control Cables – International Only; XTREME Control Cables; Electronic Controls; Hydraulic Controls; Mechanical Dual Action. How to recognize USB Cables - The standard USB connector, USB-A, is a rectangular connector. Nothing can match that rush you get when you pinch the throttle. The m. Lighting Control Cable; Outside Plant Telelphone; Security Alarm Cable; Hook-Up Wire. Plug the RJ25 cable (provided with the ACCU-CHEK Inform II Base Unit HUB) to the RJ25 port (F) on the ACCU-CHEK Inform II Base Unit Light(s). Caterpillar D8 Series 2U dozer. Talkback control units also support one-way speakers. There is a receptacle which accepts the Allison transmission tps harness plug that exists on your motor home. Their triplex plunger design provides smooth flow for liquids at 2 to 2. Antique Caterpillar Machinery Owners Club. RCA engineering provides superior reliability and customizability however the usage parameters of RCA remotes are sufficiently complicated that you will likely require a copy of the From fuel system components for 3126 Caterpillar engines to air filters for the 3196, we have it all with most parts ready to ship same day. 5 Ft. A. Control Type. 0. Throttle position sensors can be easily mounted & connected to 33C-type control cables. com Section 2: M85045F & M49291C Military Shipboard Fiber Optic Cables and Accessories (Cont’d) • M49291/6-05 Multimode, 500µm, Blown Optical Fiber Rig Control; DB9F to DB9F Serial Cable 58124-1295: $9. 59in H0. The DMX512 standard states that a maximum of 32 unit loads can be connected to one DMX cable. 7721 Toll-Free: 800. To use this cable you will need a PC with a standard RS-232 9-pin serial port and suitable control software. manufacturer: caterpillar; model: 623h; recent service and repairs. AR and ARR T hermostats - Non-Indicating Industrial Temperature control of any electrically heated solid, liquid or gas. "Caterpillar" No. Compare. Product applications include fire trucks, Coaxial cable (or "coax") is the most common cable used for transmitting video signals. (1986 - 1986). Unit Quantity Value (INR) Per Unit (INR) Nov 22 2016: 85444999: CF130. eyes, and extended them using BAFX's Cat-5 extender kit. Modern cars also control the alternator. The 25 CCU uses 7 bimetallic and 6 steel discs per side. Most Popular. Shop for coaxial tv cable converter to hdmi at Best Buy. Note: YAESU does not produce CAT, SSTV, RTTY and PSK System operating software, due to the wide variety of personal computers, operating sys-tems, and applications in use Cars are increasingly coming with modern electronics. ), a protocol called CAT (for Computer Aided Tuning or Computer Aided Transceiver – it is unclear which is the real term) allows a computer to remotely control various aspects of a transceiver. Serving the electrical, construction, commercial, industrial, utility and datacomm markets. hole drilled through the plates from the attic, then tape both of the marked cable ends to the fish tape. The control unit is passed through a slit in the pack tray under the white polyester. A Downloadable Arctic Cat ATV repair manual is a digitally transmitted book of repair instructions containing maintenance, troubleshooting, service and repair information for the off-road four-wheeler vehicle. operated control for engine RPM. Box 9301 Peoria, IL 61612 (309) 691-5002 cat@acmoc. Matt Folsom image. Rubber piece of chain type plastic tubing traction institution is constituted by driven pulley, chain and block rubber and more. is a worldwide designer, manufacturer, and integrator of precision control components and systems. A Cable Control Unit (often called a CCU) is a multi drum winch unit mounted on crawler tractors and used to operate attachments such as a bulldozer blade, towed scraper box or early tracked loader units. Complete plug-in systems are built to customer specifications with a simple order form. 95 ( Bids) Time Remaining: 13d 16h 30m Buy It Now for only: $139. Special Audio, Control and Instrumentation Cables 4. People of all walks have come to depend on and trust us to help them do everything from commercial and residential construction to woodworking. Be-Ge Model LBD-6 cable blade on a Caterpillar RD-6 tractor, late 1930s. You searched Caterpillar tractor manuals for "Cable Unit 24, 25, 27, 29": Manual Price; 7A Bulldozer ( angling blade cable & hydraulic ) (18E1-up c & hyd, 17C5001-up c & hyd, 6A501-6A3797 cable, 6E2001-6E2733 hyd ) Operators Manual Caterpillar 125 Cable Control Attachment Manuals: Caterpillar 126 Cable Control Attachment Manuals: Caterpillar 127 Cable Control Attachment Manuals: Caterpillar 128 Cable Control Attachment Manuals: Caterpillar 129 Cable Control Attachment Manuals: Caterpillar 12F Grader Manuals: Caterpillar 12G Grader Manuals: Caterpillar 130G Grader Manuals Costex Tractor Parts CTP® is a worldwide quality supplier of New Replacement Parts for Caterpillar® and Komatsu™ Equipment and Engines. nVent RAYCHEM HWAT-ECO is an energy efficient control and monitoring unit for nVent RAYCHEM HWAT self-regulating single pipe hot water systems. Moog’s high-performance systems control military and commercial aircraft, satellites and space vehicles, launch vehicles, missiles, automated industrial machinery, marine and medical equipment. Find low everyday prices and buy online for delivery or in-store pick-up Parts catalogs. Browse our inventory of new and used CATERPILLAR Winch For Sale near you at MachineryTrader. 5mm Mini TRS-M to Dual XLR-F High Performance Audio Y Cable SKU:XC-CMXF5 The ProX XC-CMXF5 is ideal for professional touring and live sound applications where a device with a dual XLR-F output/input needs to be connected to a device with a 3. 22 Plenum-Rated Cable 4. . RCA remote control units are one of the longest-lived remote control products on the market, and offer full featured performance in a slim and comfortable design. Connecting Cable: CS1W-CN@@3 Expansion Connecting Cable Connected Unit: CJ1W-II101 I/O Interface Unit Mount to the right of the CPU Unit. On my units (1/2 hp chain drive, with Security+ remotes, and safety sensors) there are 3 Fish the cables from the openings into the distribution box in pairs of coaxial and CAT-5e. speedometer. You are now ready to start your service tool. 4. Caterpillar six cylinder diesel engine, Pony motor, Direct-drive transmission 5F-5R gears, Clutch brake steering, 128"W straight dozer blade 135" total dozer width with bits, Caterpillar 25 cable control unit, Rear draw bar, Six bottom rollers, Track guards, 22"W single grouser track pads, Seat cushions missing, Serial 2U10377. This particular unit was painted white instead of the normal Caterpillar gray; and was used as a sales and marketing tool at farm equipment expositions and state and county fairs. Whether you are doing periodic maintenance, rebuilding the carburetor/electronic fuel injection or… Medium-voltage power distribution & control systems Eaton’s mission is to improve the quality of life and the environment through the use of power management technologies and services. These manuals are the exact same service literature used by Caterpillar dealer technicians to repair Cat engines and machines. Cables can be laid in air, in conduit, in ducts & in trenches. 9"(D) w/o Fan Controller 5. net — оn-line catalog of spare parts for CATERPILLAR, KOMATSU, HITACHI, JOHN DEERE, TADANO, JCB, VOLVO, DOOSAN, HYUNDAI machinery. Shielded Control Cable & Communicating Controls June 29, 2020 Bryan Orr 2 Comments When I first started in the trade we used to run into shielded control wires on the Carrier Comfort Zone 1 zoning systems and also on a Carrier VVT system I used to maintain at a bank. org. A Labor Unit is equal to one man hour. 25 and 23 Rear Cable Control Arrangements con-sist of adapter groups and cable control groups. 80 scraper was 1-16 of 696 results for "remote control caterpillar excavator" Top Race 15 Channel Full Functional Professional RC Excavator, Battery Powered Remote Control Construction Tractor Metal Shovel, TR-211 4. The operator’s manual (sometimes referred to as the owner’s manual) is the manual that came with the Caterpillar tractor. By developing the joystick function to be intuitive, Optimus 360 allows you to move your boat not only forward and back, but also sideways, by pushing the joystick to the left, or to the right, and even, rotate on a dime, all with a simple Some large aircraft incorporate tension regulators in the control cable systems to maintain a given cable tension automatically. b. QS/S ? CAT PTT . Requires Alinco ERW-4 or compatible computer interface cable. Form and dress cable at the rear of the panel. Nationwide delivery available. The solenoid-operated valve allows for the conversion of single hydraulic outlets into dual outlets, offering easy control of multiple circuits from the lever in your cab. 02 − CJ1W-IC101 UC1, N, L, CE Product Name Specifications Current consumption (A) Model Standards 5 V 24 V The Cable Matters HDMI Extender with IR Control is the ideal solution for connecting equipment in remote locations up to 300 feet apart with a single Cat 6 cable. Cat Yellowmark Parts Alternative application and installation guide marine engine electronic displays installation guide This is an Operators Manual for the Caterpillar Cable Control Attachment #23,24,25,29,30 with 116 pages of important information pertaining to your Caterpillar tractor. We provide sustainable solutions that help our customers effectively manage electrical, hydraulic, and mechanical power – more safely, more efficiently, and An attached 6 ft USB cable plugs into a standard USB port on your computer. 20AWG Oxygen-Free Copper (OFC) conductors for maximum Eaton’s mission is to improve the quality of life and the environment through the use of power management technologies and services. eldoLED drivers are one unit load. Portable control unit kit with USB data cable, 24V power supply, 3m AISG cable, padded transit bag & software CD View Details. The easYgen-3000 combines complete engine-generator control and protection with advanced, peer-to-peer paralleling functionality and innovative features in a robust, attractive and user-friendly package. This same test is used to test singleconductor power cables 1/0 AWG and larger for use in cable tray, tray cable (TC), power-limited tray cable (PLTC), instrumentation tray cable (ITC), and fire alarm (FPL), communication cables (CM) and fiber This unit works well with the General Purpose Throttle Control. For example, a Caterpillar rubber track loader set wont fit on a Challenger machine. In the Automotive industry, the term ECU often refers to an Engine Control Unit (ECU), or an Engine Control Module (ECM). The Spirent DLS 6100M is 26AWG unit and is a manual unit. See Figure 1 for a diagram of the test. It is actuated by a handle which is equipped with adjustable stops so the operator can establish minimum and maximum pressure limits within the output range. The 24 CCU uses 7 bimetallic and 6 steel discs per side. CONTROL TRANSFORMERS Open Type Control Transformers(47) Enclosed Nema 1 Control Transformers(41) Class 2 Control Transformers with Leads(6) Epoxy Potted Nema 3R Control Transformers(15) CORD GRIPS Aluminum NPT Thread(202) Nylon Dome Strain Relief Connectors(84) Nylon Dome Cap Cable Glands With O-Ring Lock Nut(104) Use the Leviton 47690-8C 8-way Coaxial Cable Distribution Module to split digital cable, quality cable TV and off-air antenna signals to 8 televisions throughout the home or office. GarWood single-drum cable control unit for the Euclid TC-12 dozer. Vernier Control Cable is ideal for many PTO and dump applications. Precision engineering, expert manufacturing and over 100 years of experience. The DLS6100M is perfect for production testing of xDSL modems. Details This Replacement Repair Cable: Airbag/Control Unit is one of the many MINI Cooper Parts and Accessories that we carry and will fit the following MINI Cooper Models and Years: As the global energy demand increases and government and environmental regulations tighten, Chromalox is the proven performer in providing integrated heat supply and control technologies for the optimization of sustainable conventional and renewable power generation plants. The 2DX, 3DX, 2F CAT pressure washer pumps features power options that range from 2 to 6. 99 – $219. 001 inch. 75 per ft = $235 for that one AP run. Caterpillar cable pulling machine is composed of rack, hauling mechanism, traditional system and traction caterpillar lifting mechanism. 1996 ARCTIC CAT 454 4x4; NEED HELP? Give us a call or chat. features: erops with heat/ac diff-lock paddle wheel push block tier 4 engine grade control ready auto load cushion hitch 2014 cat 623h scraper with 6700hrs. 04. The Allison TPS sends a (roughly) 1 – 4 volt (idle to full throttle) signal to the transmission that in conjunction with rpm helps with shifting. Excellent for ovens or sterilizers. Send Us a Message. If you do not want to purchase a CAT interface from the radio manufacturer (these are usually more expensive), then we suggest searching the internet for a compatible unit. Our products include measuring wire and cable, spooling cable and wire, reeling cable and wire, coiling cable and wire etc. The Spirent DLS 6100M is 26AWG unit and is a manual unit. Figure F-3 Cable Feed into Cable Tray d) Cable sheaves or a shoe may be used to guide cable into the desired direction, maintain minimum bend radius, and reduce friction. 75 in)] of cable management for every two rack spaces (unit) [89 mm (3. It provides flexible temperature control and additional energy savings, with integrated functions that lower the maintain temperature during low use periods. “We are happy to have a partner like Fenwal Controls for the WarmFront Heater and are excited about introducing the product to consumers later this year,” said Jake Weidie, Project Manager, WarmFront. Part #: 550-114 The FreshLight is a unique combination of climate control unit with roof light so its installation does not mean compromising on natural light from above. Stainless steel cables offer longer life and flexibility, also available in 3/8”, 7/16” or ½” diameter. There are circuits available that use a MAX232. . 125,000 parts and free shipping on orders over $450. Whether you call it Cat5, Cat-5, Cat5e, or even the newfangled Cat6, it remains the best cable in modern history. 4100 Series Heavy Duty Vernier Adjustable Locking Control Cable Heavy Duty Adjustable Locking Control Cable is ideal for many PTO and dump applications. Aftermarket diesel, final drives, swing gears and drives, tracks, undercarriage, fuel injection, pumps, turbos, linkage. 1-888-273-7876. So, the amount of time it takes to install electrical materials is measured in Labor Units. . Control Head Extension Cable The control head cable uses a 4­conductor cable with an RJ­11 4P4C at each end. IR/RS-232 (6) HDMI Extenders. Tractor parts manuals outline the various components of your tractor and offer exploded views of the parts it contains and the way in which they're assembled. Step 1 Connect the 7X-1425 RS232 cable to an available Serial Port on your PC and to the Service Tool connector on the Communication Adapter. Coral Sales Company provides only the highest quality guardrail and end treatment components in the Pacific Northwest. Currently our exclusive database contains information about more then 6 million parts for Case, Caterpillar, Komatsu, Hitachi, John Deere, Tadano, JCB, Volvo, Doosan, Hyundai, Terex machinery (more than 1 TB. Marineengineparts. Control Unit SSE2. Page 3 of 9. The control unit feeds the sensor with a small electric current and measures the resulting voltage drop across the sensor, which varies from nearly 0 volts to about 5 volts. I made my own extension cable for my Yaesu FT-7900 out of flat cable because I didn't need a 25 ft cable to connect the faceplate to the radio. Standard CAT 3, 5, 5e, 6 twisted pair cable (typically 22 or 24 AWG) is used for speakers. (With their associated power supply. Control Unit Mount one I/O Control Unit on the CPU Rack when connecting one or more Expansion Racks. New aftermarket, used and remanufactured parts for CAT Construction Equipment. (800) 336-5437 7am-7pm Monday - Friday, 8am-4pm Saturday MT. Manufacturer: Spirent; The DLS Testworks / Spirent DLS 6100M is a Wireline Simulator. Existing Cat 3/5/5e/6 twisted pair house cable or feed cable may be used without introducing crosstalk. Explore our tools. 95: Out of StockAdd to Wish List: RIG Control Cable for Yaesu MiniDIN-8 58108-972: $9. Replacement products are offered for all Caterpillar engines, from pre-World War II to contemporary Tier 4 models. 23–4. Chapters History Events Members Contact. (2) Each cable control group consists of a completely assembled cable control. The system BMW use is referred to as EML (German term for electronic throttle control). There’s Nothing It Can’t Do Optimus 360, for twin, triple and quad engine applications. 95: Buy Now Add to Wish List: KW232 Interface Module 58247-1559: $49. com. It is designed to sit on a shelf, and interfaces to the Traffic Cabinet either through the Polara 50 pin cable assembly, or a SDLC cable. These cables may be used for power supply applications with portable power tools and appliances. 4K / HD Camera Control Unit for HXC-FB80 cameras. One standard 1/8" cable to connect to your radio's CI-V port is included. Previously, I'd charge my install time, hourly per 15 minutes + the cost of cable per foot. 284. It features energy-efficient cooling and heating modes and individual air flow distribution with automatic blower control. Diesel Catalog ; Illustrated Connector Guide ; Fuel Systems Illustrated Guide ; W The use of the term ECU may be used to refer to an Engine Control Unit, however ECU also refers to an Electronic Control Unit, which is a component of any automotive mechatronic system, not just for the control of an engine. 7 inches) Flow control cable Overall length 4. Our service network is unmatched in the industry so you can have absolute confidence knowing that you and the job, will not be let down. Programming the RCU to your STB. NOTE: Please see the question below about using the SignaLink USB with programs that offer CAT control. 5. On the back of your opener unit there are 2 or 3 terminals where bell-grade wires are to be attached. 3 out of 5 stars (1) Total Ratings 1, $99. When we refer to cable as plenum or non-plenum we are not talking about the cable itself. Caterpillar excavator parts. 200 kW MEP009A, MEP108A, MEP009B and many more. Finding the right aftermarket parts for your Caterpillar requires you to know the make and model of your equipment. To help you and other members get the most out of the community, please be sure to read our Guidelines. LED will blink 4 times. Control Cables and Accessories. control units available. . R. WIP . Unbalanced 3. The Controller Area Network (CAN) specification defines the Data Link Layer, ISO 11898 defines the Physical Layer. Sort by : × Systems Owners. Trust Caterpillar, leader in electric power systems. Flow control valve unit dimensions Weight (max) 1 kg (2. Complete listing of Caterpillar Tractors - Parts & Manuals and other items for the Caterpillar farm tractors 126 Cable Control 9D501-up Manual: Cable Unit 24 caterpillar Communication Adapter II can perform diagnostic operations for all models of cars and Caterpillar engines with electronic control. But the new D version adds the 60 meter ham band and includes the formerly optional DSP-2 Digital Signal Processing Unit. Fenwal Controls recently helped Blossman Gas & Appliance create an innovative window-sized furnace by adapting the 35-67 series control. MotoGadget m. 6991 HR/Personnel Fax: 765-751-9507 The cable end hooks up to the throttle and as you step on the gas it is pulled out. Run the fish tape down into the outlet stud cavity through a 3/4-in. These are brand new manuals from Caterpillar, printed on demand by Caterpillar to ensure you get the most up to date information available so that Fast Lift Parts is #1 for OEM manual pallet jack parts and replacement pallet jack parts. Caterpillar R4 fitted with CCU, winch and bulldozer blade attachment. Caterpillar D7-17A Dozer, 4 Cylinder Diesel, Gear Drive Manual Transmission, 5 Forward 4 Reverse Gears, Cable Lift, Note: Tracks Are Froze, Pony Motor Does Not Work, SN: 9D 0086 Disclaimer This Item was not Functionally Tested and no guarantees on condition or operability are made by BigIron. Sorry for the garbled description, it's hard to talk over all that racket. 100 MHz bandwidth is 10 times greater than the Cat 3 standard. It transmits and receives over the same wire. This parts manual has detailed exploded views of all parts. Our diesel & gas generator sets are solutions for commercial, industrial facilities & more. Note, however, that repeaters, boosters and splitters may also add to the total unit load. Simple 12-14VDC to power it, and the connections of a 1/8inch phono lead to your radio peripherals, and the serial lead to the computer. X-OLENE® Okonite's name for its XLPE insulation and jacket. multiple and single conductor control cable. These powerful tools allow service personnel to display and analyze vital performance and health information from any system quickly and accurately. 95: Buy Now Add to Wish List: RIG Control Cable for Yaesu DIN The SCU-17 interface unit may be used for CAT control of the transceiver with a computer via a USB connection; and for communications using SSTV, RTTY and PSK digital modes. Via a display on the SSE2, status messages and clear text information are given continuously. The CAN bus [CANbus] is a Balanced (differential) 2-wire interface running over either a Shielded Twisted Pair (STP), Un-shielded Twisted Pair (UTP), or Ribbon cable. Clearance Discounted products priced to move quickly. Spare parts catalog VAG ETKA Online. In 1946, Caterpillar introduced its first pull-scrapers. • Cat 6 cable/fiber cable connectivity with all required hardware upto purchaser’s networking Governor Control Unit and Related Parts (11 products) Manual and Electronic Speed Control Parts. FT450. The Caterpillar Twenty was the first new design of the new Caterpillar Company. C-Bus Cat-5 Cable 5005C305B Cat-5 Surface Box SMRJ88A5/1 2 1 4 5 8 7 6 3 Load 1 Dimmer Output Stage Neutral Neutral Active (Line/Hot)* Neutral Active (Line/Hot)* *Control and switching stage supplies must be wired to the same phase Figure 3: C-Bus 8 channel DIN Rail dimmer (L5508D1A). (Part number WZ8816143) To connect the T-splitter to a GreenStar-ready tractor, the side panel needs be removed to connect both 4-pole plugs "C" of the T-splitter to the 4-pole CAN Bus sockets. This connector is slightly larger than the flanged connector and has a nut that screws to the outside of the connector to mate it to the truck’s dash. d7 17a 873: cat d7 3t dry clutch machine with one bad final drive: cat d7 3t2408 equipped with le tourneau straight blade rear 25 ccu removed: cat d7e gear drive transmission d7e 47a 7m1820 trans group: d7e TM 5-9284 Power Control Unit, Cable Operating, Rear Mounted, LeTourneau Model R678, 1943-10-09 TABLE OF CONTENTS Description of Power Control Unit Frontispiece OPERATION SECTION SECT. The entire unit consisted of a D4 Tournapull, a model Q Carryall, a model P cable power control unit, and an AD Tiltdozer on the front. A single lever cat d7 3t 13313 rear cable unit removed . Product applications include fire trucks, Control System for any type of marine engine propultion systems, whether they be electronic, mechanical, inboard, or outboard Fully Integrated Joystick Control System for complete control of any thrusters Optional comprehensive backup control system for any engine setup One-Cord Channel Cable Concealer - CMC-03 Cord Cover Wall Cable Management System - 125" Cable Hider Raceway Kit for a Power Cord, Ethernet Cable, Speaker Wire - 8X L15. Hydraulic Boat Steering. Out from the back-pad side; insert the control To a cat, cables and cords can seem like wiggly snakes and are inviting to play with or chew. Choosing the right cable. Find control cable companies that can design, engineer, and manufacture control cables to your companies specifications. ADAPTER GROUP. The USB-A end is present on every USB cable as it is the end that connects to your computer. Construction. Figure 11 – More than 32 unit loads Arctic Cat Parts Whether it’s for work or play, you depend on your Arctic Cat to run flawlessly. com The throttle cable has almost become redundant on today’s motor vehicle. 700 SM, SMT, SML, SMLT – International; 700 SS – International; 700 TD / TDT / TDL – International; 700 TS / TST / TSL / TSLT – International; CH7600 Take command of your vessel with Optimus Electronic Power Steering Systems or command the sea with any of our SeaStar, BayStar, or Xtreme steering products. Throttle Cables and Governor Parts for Military Generators. Vista Bella Way, Rancho Dominguez, CA 90220 (310) 609-1811 (800) 326-0006 FAX: (310) 609-1862 The ICOM Cat control port is a relatively simple bidirectional serial port. We plan to expand our catalog for equipment of other manufacturers. Mercedes-Benz 190 (1984-1993) W201 HVAC Heater Control Cables and Parts If you're moving your heater knobs and nothing is changing your cables may be bad and not sending the information along. The interface acts like a standard serial port, so it works with all radio control programs. Chromalox Models: TM, STFX, NWH, and GCH Installation and Operating Instructions CAT Rig Control For modern ham transceivers (1980s and later) with microprocessor control (frequency, modes, etc. Route the control unit under the white polyester tape and through the slit at the top of the reserve container. • Control pillar to house card reader IP 44 protections and polycarbonate sheet for card reader. This unit is a lovely addition, enabling me to have remote control of the Radio and the Steppir unit by Ham Radio Deluxe. 5-inch full color and its touch panel operation. driven off PTO on the back of the dozer so you could not lift the blade with the clutch released. This is an important issue related to the chemical composition of the cable and your building‘s construction, especially when it comes to your small The Yaesu FT-857D is the worlds's smallest HF/VHF/UHF multimode amateur transceiver. R38DR Series Control Cable with 3 Inch Travel and Rod End Control Has a stainless steel core and is designed for heavier applications. They follow a 10 digit format like this: 91446-10700 or this: 91A32-10000 When searching for Cat forklift parts online you can enter them with or without dashes. If the cat chews on the power cable to a laptop (which you move around), try and conceal the cable under a blanket or behind your legs. CPP - 38400. Dealers & Partners. SKU: 199705 | Item ID: MOR 038364-01B The RS-232 Cat-5 provides communication to the camera for CCU and PTZ control. Before I did this I checked with Yaesu and they said not not to make the cable any longer than the Yaesu cable because it might not work if it was longer. 99 New. Fits all late model Arctic Cat Snowmobiles with 121"-128" long tracks. 5 m (14. Send Us a Controls and Cables. • On the front side of the rack, dedicate a minimum of one rack space (unit) [44. The best option is to conceal the cables in trunking or behind furniture. Then contact the control cable companies through our quick and easy request for quote form. The first one is for CI-V/CAT control of the radio, and the second is for RTTY/FSK/PTT. Our inventory includes all components for the most common guardrail end treatment systems in Oregon, Washington, Idaho, Montana and Alaska, as well as standard components including guardrail panels, steel and wood posts, hardware, end pieces and more. Many of the more modern control desks instead of featuring multiple OUT connectors have a Cat 5 connector, Cat 5 cables and systems can control up to 32768 universes of DMX512 using the Art-Net protocol and the existing Ethernet in buildings. Models include PA56, D7H, 58N, D6R, 50B, 59N, D7E, D8L, 57H, and 57PS. The unit consists of a compression spring and a locking mechanism that allows the spring to make correction in the system only when the cable system is in neutral. These cables are used in commercial buildings, distribution centers, manufacturing facilities, and government buildings. com Sign up for Quabbin email updates Access control composite cables address connectivity for all primary access control components such as card readers, door contacts, REX and locking power/retinal scan. The software accesses information when connected to the Electronic Control Module (ECM). 47690-C2 Series Passive Video Splitter Module (2. Step 2 Connect the 139-4166 Unicable to the Control connector on the Communication Adapter and to the service connector on the product that you are servicing. unit simplifies wiring while increasing capabilities RCU = Remote Control Unit (see featured image) STB = Set Top Box TV = Television (duh) LED = The red light between the TV and power button. 5 inches) Width 10. In this regard, the engine control unit (ECU) controls most of the car’s electrical components. com is a wholly-owned subsidiary of Lighthouse Marine Distributors, Inc 2020. 1996 ARCTIC CAT ATV Parts & Accessories. 5 mm (1. PORTER-CABLE Factory Service provides fast, professional tool repair when you need it. 6"(H) x 4. Economical galvanized cable is available in 3/8”, 7/16” or ½” diameter. (1) Each adapter group consists of the various parts necessary to connect the cable control to the tractor. This is the same connector used in a wired phone headset ­ but with only two conductors (4P2C). So, what is a labor unit? It is a simple formula. 3 inches) Length 22cm (8. Rancho Dominguez 2050 E. Currently our exclusive database contains information about more then 6 million parts for Caterpillar, Komatsu, Hitachi, John Deere, Tadano, JCB, Volvo, Doosan, Hyundai machinery (more than 1 TB of data). CHAT. caterpillar cable control unit