We go through only one test, a voltage check of the voltage regulator using the voltmeter of a multimeter. Renr794105 march 2009specications systems operation testing and adjustingcaterpillar digital voltage regulator. Stamford avk dm110 digital excitation control system. I assume you mean a voltage regulator which is the heart of a dc power supply. Caterpillar digital voltage regulator cdvr introduction and. Caterpillar generator avr vr6 k6512b k12510b ruitai industry co. What is the abbreviation for caterpillar digital voltage regulator. The corresponding revisions made to this instruction manual 9360100990 are also summarized. Comparing automatic voltage regulation technologies ust. Dvrportal windowsbased software for configuration and monitoring. Caterpillar digital voltage regulator cdvr wiring connections prepared by service training.
Cat digital voltage regulator cdvr pc software v252751501. The switching regulator is more efficient than the linear series or shunt type. The automatic voltage regulator avr is a device designed to regulate voltage automatically that is, to take a fluctuating voltage level and turn it into a constant voltage level. Page 1 instruction manual installation operation maintenance caterpillar generator avr vr6 k6512b k12510b ruitai industry co. Installation instructions for the new caterpillar digital. Voltage regulator rectifier arctic cat 400 act man 4x4 manual 2004. Cdvr caterpillar digital voltage regulator pc software.
Voltage regulator operations manual marathon generators. Caterpillar diagnostic software auto repair technician home. C32 power module description may 2006 generatorjoe inc. These instructions are provided in order to assist in replacing an existing dvr or vr6 with a new caterpillar digital voltage regulator cdvr.
Caterpillar digital voltage regulator cdvr pc software. The cdvr requires a connection to a pc for configuring the settings for the generator. Vintage tractor engineer massey ferguson 35, how to test. Caterpillar cat cdvr digital voltage regulator 3147755. The voltage regulator module provides access to different constant voltages for custom sensors, cameras, or other unique applications. Apr 20, 2014 testing and adjusting caterpillar digital voltage regulator cdvr general information smcs 4467 preventative maintenance the only preventive maintenance that is required on the voltage regulator is to periodically check that the connections between the voltage regulator and the system are clean and tight. Designed for alternators with shunt, arep or pmg excitation, deifs digital voltage controller, dvc 310, is a digital automatic voltage regulator, which monitors and regulates the alternator output voltage.
Caterpillar digital voltage regulator cdvr introduction and specifications. Preliminary emcp integrated voltage regulator implementation. Use caution when working around the component side of the dvr. The k6512b and k12510b voltage regulators are contained in an encapsulated plastic case. Caterpillar is a build management software software manuals. Renr7941 caterpillar digital voltage regulator cdvr scribd. Refer to the specifications, systems operation, testing and adjusting, renr794108, cat digital voltage regulator for complete information. The voltage regulator test standard kit is designed to assist you in testing all types of voltage regulators and ldos, individually or as part of a distributed power system. D so we would use this cdvr free to you to download, connects you with the avr and let you check its performance and fluctuation problems. Common alternators have internal voltage regulators. We replaced vr3 voltage regulator with new vr6 regulator. Control power for the digital voltage regulator is supplied from an external 24 dcv source. Now hook a voltage regulator between the b battery terminal on the regulator and the chassis ground.
Caterpillar generton avr vr6 k65 12b k125 10b source manual. The voltage point where the f goes high is the voltage where the regulator regulates. Caterpillar digital voltage regulator cdvr electric generator. Digital voltage regulatordigital voltage regulator d630. If you dont then the car wont run since this is where all your battery power comes from. This type regulator is ideal for high current applications since less power is dissipated. This cover prevents exposure and unintentional contact. Leroyleroy somersomer installation and maintenance 4900 en.
The user provides further scaling through the windows communica tion software. Caterpillar digital voltage regulator cdvr pdf document. How to install avr in cat 500 kva dg avr,after watching this video you will be able to install avr in any type of dg. Reviews 0 the caterpillar digital voltage regulator cdvr is a microprocessor based control designed to provide precise voltage control, robust transient response, and generator protection with industry leading features and versatility. Cdvr abbreviation stands for caterpillar digital voltage regulator. Generator is sr 4 type 600v and engine is cat 3500. It used to be as bright as the oil light, then the neutral light would come on bright as can be when i clicked the run button preparing to start. Connect the positive lead of the power supply to the bat contact on the regulator and the negative lead to the regulator case. Avr, cat digital voltage regulator, cat digital voltage regulator pc software, caterpillar digital voltage regulator, cdvr, software. A much greater efficiency can be realized with a switching type of voltage regulator than with the linear types because the transistor switches on and off and dissipates power only when. The onan vr21 voltage regulator printed circuit board receives generator stator voltage, and by the setting of an external voltage potentiometer, regulates the exciter field of a brushless exciter. Tapchanger raise operations are inhibited 1 volt below this setting. Integrates with caterpillar digital voltage regulator cdvr for alarms and control x x x. Cat systems operation testing and adjusting digital voltage regulator cdvr page.
A settings file may also be opened and edited with any text editing software. In fact, the jimco setup for testing common chrysler systems substitutes its own solidstate voltage regular in place of the ecm. Expect the voltage to be near the higher end of the scale for cold engines and the lower end of the scale for hot engines. Within this software, voltage regulator settings can be saved in a computer file and used later in order to. Cat digital voltage regulator cdvr pc software v252751501 67 description. Sr4 and sr4b generators, voltage regulators, options. Standby 3000 kva 2400 ekw 50 hz 1500 rpm 11,000 volts. All the regulator does is connect the brushes to the supply until some voltage between and 14 volts is reached. The circuit imposes a 250ohm burden on the dc source for current input when a jumper is applied across terminals j15 and j18. Caterpillar digital voltage regulator cdvr electric. Start the powersupply at 12v, the voltage, at the field should be less than 1. This manual presents the material in a tutorial format so that you can perform each test yourself, using the connection diagrams provided. Diagnosing computercontrolled charging systems motor.
If i had the project to test your voltage regulator, i would hunt down a 030 volt variable power supply with at least a 200 milliampere capacity. The emcp integrated voltage regulator ivr feature is a substitute for todays voltage regulator topology consisting of a dedicated controller cdvr, vr6etc for regulating voltage. When the dvr2000e voltage regulator is mounted on the generator at the. Digital voltage regulator digital voltage regulator. Caterpillar digital voltage regulator cdvr pass in pm only thanks and rep password dude you are the best. Go cat digital voltage regulator software mhh auto cat digital voltage regulator software due to the numerous pms received asking for the password to decompress gutierrez hiram s posted file regarding cat digital. This cover must be installed whenever the voltage regulator is energized. Unlike the control box diagram this tractor has a voltage regulator.
Also the voltage regulator is mounted in the swich board so it wouldnt be tied into the empc even if the engine had one. Revisions are listed in reverse chronological order. Refer to the specifications, systems operation, testing and adjusting, renr794108, cat digital voltage regulator, for more thorough information on the cdvr software. I know that the plc was made by allen bradley, i want to say it is a 1747 controller, but i would have to double check the documentation to be sure. The caterpillar digital voltage regulator cdvr is a microprocessor based voltage regulator. Software can be downloaded from the service information system sis.
For a wiring diagram of manual voltage control see testing and adjusting, wiring diagrams. Then, set your multimeter to voltage, and look for a reading of just over 12 volts. Caterpillar digital voltage regulator cdvr introduction. You could use a large power resistor you have to get a new resistor every time sized for the curre. I use 0 to 30v supply, with a 0 to 3a current limit, it has builtin voltmeter an ampmeter. The cdvr shuts off intermittently causing the genset voltage droops. The main purpose of a digital voltage regulator is to regulate the output voltage of a generator that is used with an engine generator set. The resistor serves to limit current in the field connection for test purposes. Marathondvr2000e software for the palm os platform. How to test a voltage regulator learning about electronics. Cdvr caterpillar digital voltage regulator pc software,it is software to use for cdvr module programing,and it is a microprocessor based control designed to provide precise voltage control, robust transient response, and generator protection with. Other cat systems operation testing and adjusting digital. When you have one, attach the multimeters clamps to your vehicles battery.
Testing and adjusting caterpillar digital voltage regulator cdvr startup procedure smcs 4467 shutdown 1. This kit lets you safely test charging systems under normal operating conditions because it bypasses only the external wiring, not the voltage regulator. High limit the regulator load voltage is not allowed above this setting. Replacement vr3 regulator with vr6 cr4 discussion thread. Control power for the digital voltage regulator is. It requires a variable voltage power supply, voltmeter, and a 50 ohm resistor. To test your vehicle s voltage regulator, youll need a multimeter, which reads the voltage running through your battery. Testing a voltage regulator however, when i first switch on the ignition the generator light barely glows. Automatic voltage regulators not only vary in size and design, but also in name and description. Senr479406 january 2002 systems operation connection diagrams. Voltage regulation in a switching regulator is achieved by the on and off action limiting the amount of current flow based on the varying line and load conditions. There are many types of automatic voltage regulators. The j4 connector of the digital voltage regulator provides an rs232 port necessary for communication. Faulting caterpillar digital voltaje regulator cdvr.
Regulador cdvr electric generator electric current. There is also a company i ran into at powergen last year called mcpherson controls that has a lot of replacement voltage regulators for older generators, i used them for a regulator on an old cat. The emcp 4 internal controller regulates generator output voltage by sending a command to the excitation module. Testing and adjusting caterpillar digital voltage regulator cdvr general information smcs 4467 preventative maintenance the only preventive maintenance that is required on the voltage regulator is to periodically check that the connections between the voltage regulator and the system are clean and tight. Voltage regulators free delivery possible on eligible purchases. This is an article showing how a user how can test a voltage regulator to see if it is good or defective. Voltage limiting monitors the regulator load voltage to protect customers near the regulator. Caterpillar digital voltage regulator cdvr mhh auto. Thanks a lot if you need other downloads from sisweb let me know via pm and i will post them for you. Instruction manual for decs200 power systems rentals. This is the only test needed to tell whether the regulator is good or not. Caterpillar pc software enables you to print a list of voltage regulator settings, save voltage regulator settings in a file, and open a settings file in order to upload those settings to a voltage regulator. Cdvr caterpillar digital voltage regulator pc software,it is software to use for cdvr module programing,and it. Voltage regulator test tool demo demonstration provides a stepbystep walkthrough of the voltage regulator test tool, including setup, parts, software, oscilloscope settings, power delivery assessments of current, and vid measurements.
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