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California Instruments Invertron 751L-M Instruction Manual

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Revision D
July 1998
Copyright © 1996,1997,1998
.
by California Instruments
All rights reserved.
P/N 4005-947
INSTRUCTION MANUAL
751L-M/ 1501L-M/ 2001L-M
Invertron
®
www.valuetronics.com

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Summary of Contents for California Instruments Invertron 751L-M

  • Page 1 Revision D July 1998 Copyright © 1996,1997,1998 by California Instruments All rights reserved. P/N 4005-947 INSTRUCTION MANUAL 751L-M/ 1501L-M/ 2001L-M Invertron ® www.valuetronics.com...
  • Page 2 www.valuetronics.com...

  • Page 3: Table Of Contents

    6.1. GENERAL ................................... 36 6.2. POOR OUTPUT VOLTAGE REGULATION ......................36 6.3. OVERTEMPERATURE LAMP ON ........................... 37 6.4. OVERLOAD LAMP ON ............................. 37 6.5. DISTORTED OUTPUT ............................... 38 6.6. NO OUTPUT ................................38 6.7. MODULE REMOVAL ..............................39 July 1998 California Instruments www.valuetronics.com...
  • Page 4 TABLE OF TABLES 2-1: M ............................17 ABLE INIMUM 3-1: T ..........................22 ABLE ERMINAL DENTIFICATION 3-2: C ...........................24 ABLE ONNECTOR DENTIFICATION 3-3: S J7 .........................25 ABLE YSTEM NTERFACE ONNECTOR 4-1: C .........................28 ABLE ONFIGURATION AND ETUP ALUE California Instruments July 1998 www.valuetronics.com...

  • Page 5: Introduction

    INTRODUCTION This instruction manual contains information on the installation, operation, calibration, and maintenance of the California Instruments Model 2001L-M/1501L-M and 751L-PT. The 2001L- M/1501L-M and 751L-M will hereafter be referred to as the AC Power Source. The difference between the 2001L-M/ 1501L-M and 751L-M will be detailed throughout the manual.

  • Page 6: Table Of Figures Igure Alifornia Nstruments /751L

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-1:California Instruments 2001L/1501l/751L California Instruments July 1998 www.valuetronics.com...

  • Page 7: Electrical Specifications

    Table 1-1 contains the operation specifications of the AC Power Source. All specifications are tested in accordance with standard California Instruments test procedures. The following specifications apply for operation at 100% of full scale voltage, constant line voltages and no-load conditions unless specified otherwise.
  • Page 8 Immediate shutdown with automatic recovery. Invalid frequency: Immediate shutdown. Sense line fault: Output voltage limited to 115% of program value Overtemperature: Default to 0 volts with automatic recovery. Measurements: Voltmeter, analog panel meter. Accuracy 5% of full scale. California Instruments July 1998 www.valuetronics.com...

  • Page 9: Supplemental Specifications

    Output noise : (20 KHz to 1 MHz at full load) 160 mV rms (typical) Voltage temperature coefficient: ±0.02of full scale/°C. Voltage stability (24 hours): ±0.015% of full scale under constant load, line and temp. July 1998 California Instruments www.valuetronics.com...
  • Page 10 • 3 position frequency range switch • 3 frequency setting rotary switches • 1-turn current limit potentiometer • 300 volt analog meter Functions Voltage: Amplitude varied by 10-turn potentiometer. Voltage range: Set by toggle switch California Instruments July 1998 www.valuetronics.com...
  • Page 11 2001L - 75 lbs (34 kg) 1501L - 75 lbs (34 kg) 751L - 75 lbs (34 kg) Material: Aluminum front panel, steel chassis. Finish: Gray 26440 per Fed Std 595. Air intake/exhaust: Sides/rear. Modularity: Modules interconnected with motherboard. July 1998 California Instruments www.valuetronics.com...
  • Page 12 RPV: Remote program voltage; 0 to 10 vdc sets output to 0 to 100% of range. External modulation cannot be used if RPV option is installed. Refer to page 25 for connections for this option. California Instruments July 1998 www.valuetronics.com...
  • Page 13 Voltages up to 400 VAC are available in certain sections of this power source. This equipment generates potentially lethal voltages. DEATH On contact may result if personnel fail to observe safety precautions. Do not touch electronic circuits when power is applied. July 1998 California Instruments www.valuetronics.com...

  • Page 14: Installation And Acceptance

    The AC Power Source has been designed to operate over the line frequency range from 47 Hz to 440 Hz. 2.2.3. INPUT POWER The input power to the AC Power Source depends upon line and load conditions and may be as high as 2650 watts. (2001L) California Instruments July 1998 www.valuetronics.com...

  • Page 15: Input Voltage Range Selection

    Locate and remove the (2) #8-32 x 1/2” FLH screws on the outside of the chassis which attaches the perforated support bracket to the chassis, and lift perforated support bracket up and out of unit. July 1998 California Instruments www.valuetronics.com...
  • Page 16 Jumper A6-J2 From 2 to 5. Jumper A6-J2 From 3 to 4. Jumper A6-J3 From 2 to 5. Jumper A6-J3 From 3 to 4. Jumper A6-J4 From 2 to 5. Jumper A6-J4 From 3 to 4. California Instruments July 1998 www.valuetronics.com...

  • Page 17: High Input Voltage Range Configuration (187-253V) Figure 2-3

    Jumper A6-J2 From 1 to 6. Jumper A6-J2 From 2 to 3. Jumper A6-J3 From 1 to 6. Jumper A6-J3 From 2 to 3. Jumper A6-J4 From 1 to 6. Jumper A6-J4 From 2 to 3. July 1998 California Instruments www.valuetronics.com...

  • Page 18: Figure 2-1: Rear Panel Connections

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-1: Rear Panel Connections California Instruments July 1998 www.valuetronics.com...

  • Page 19: Figure 2-2: Internal Adjustments And Jumper Locations For Input Line Voltage 103 To 127

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-2: Internal Adjustments and Jumper Locations for Input Line Voltage 103 to 127 July 1998 California Instruments www.valuetronics.com...

  • Page 20: Figure 2-3: Internal Adjustments And Jumper Locations For Input Line Voltage 187 To 253 Volts

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-3: Internal Adjustments and Jumper Locations for Input Line Voltage 187 to 253 Volts 2.4. California Instruments July 1998 www.valuetronics.com...

  • Page 21: Mechanical Installation

    MAXIMUM LENGTH (in feet) CURRENT IN AMPS WIRE BETWEEN OUTPUT AND LOAD 14.8 14.8 14.8 The Remote Sense inputs must be connected. Failure to connect the Remote sense input will result in poor Load Regulation and Line Regulation. July 1998 California Instruments www.valuetronics.com...

  • Page 22: Output Voltage Ranges

    The waveforms shall still appear clean on the oscilloscope and have less than 1% distortion. Locate the Current Limit pot at the front panel. Adjust the Current Limit pot to 50% Current Limit. California Instruments July 1998 www.valuetronics.com...
  • Page 23 751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Observe the OVERLOAD light in the power source. It should be on. Program the output voltage to zero voltage. July 1998 California Instruments www.valuetronics.com...

  • Page 24: Figure 2-4: Test Setup

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-4: Test Setup California Instruments July 1998 www.valuetronics.com...

  • Page 25: Operation

    HIGH RANGE: This lamp illuminates when the power source has switched to the high voltage setting. FREQUENCY SELECT DIALS: Three dial switches are used to set the output frequency. The output frequency is set within the frequency range selected by the Frequency Range select switch. July 1998 California Instruments www.valuetronics.com...

  • Page 26: Rear Panel Connections

    J6 is the remote sense input connector. The remote sense input must be connected to the respective AC Power Source output. If the inputs are not connected, an AMP FAULT error message will be generated. Table 3-2 identifies the pins of connector J6. California Instruments July 1998 www.valuetronics.com...

  • Page 27: Figure 3-1: Front Panel Controls And Indicators

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-1: Front Panel Controls and Indicators July 1998 California Instruments www.valuetronics.com...
  • Page 28 J7 is the System Interface connector. Table 3-3 identifies the pins of the System Interface connector. RPV Option: Apply the +10 volt DC input signal to the rear panel system interface connector J7. Use pin 9 as the high input and pin 1as the reference return pin. California Instruments July 1998 www.valuetronics.com...

  • Page 29: Remote Shutdown

    J7-20 MR A: This is the input signal to the phase A amplifier from the internal oscillator drive signal. Do not make any connection to this pin except for troubleshooting. J7-22 CS A: Current sum for the phase A output. Make no connection to this pin. July 1998 California Instruments www.valuetronics.com...
  • Page 30 0.0 volts and the output relays to open. A logic high will cause the programmed output voltage to be restored at the output terminals. A contact closure between this pin and J7-27(DCOM) will simulate a logic low state California Instruments July 1998 www.valuetronics.com...

  • Page 31: Calibration Procedure

    With the Remote Sense lines connected, adjust the output voltage for 100 volts. Disconnect the Remote Sense lines and adjust R38 one the Current Limit Board until the output measures 115 volts ±0.25 volts. Reconnect the Remote Sense leads. July 1998 California Instruments www.valuetronics.com...

  • Page 32: Voltage Range

    SET VALUE from Table 4-1. Slow turn R17 on the Current Limit Assembly in a counterclockwise direction until the OVERLOAD LED comes on. Slowly readjust R17 in a clockwise direction just to a point where the OVERLOAD LED turns off. California Instruments July 1998 www.valuetronics.com...

  • Page 33: 4.5 Current Transformer Adjustment

    Measure the output from the Current Transformer between TP10 and TP1 (GND) on the Current Limit Board (A5). Adjust R7 on the Range Relay Board so that TP10 reads .100V rms per amp of output current. Example: 1501L is to be 1.00 volts for 10 amps July 1998 California Instruments www.valuetronics.com...

  • Page 34: Figure 4-1: Internal Adjustments And Jumper Locations

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-1: Internal Adjustments and Jumper Locations California Instruments July 1998 www.valuetronics.com...

  • Page 35: Figure 4-2: Equipment Hookup For Periodic Calibration

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-2: Equipment Hookup for Periodic Calibration July 1998 California Instruments www.valuetronics.com...

  • Page 36: Theory Of Operation

    The input power supply also generates 50 VDC and 15VSW1 from the 300 volt DC supply. The 50 VDC is used for fan and relay operation, +15VSW1 is used for the gate drive signal in the Amplifier Module. California Instruments July 1998 www.valuetronics.com...

  • Page 37: Current Limit Board

    100 degrees C, the amplifier shuts down and sends an OVT signal to the oscillator module. A logic low on the OVT control line will cause the error message TEMP FAULT to be generated. July 1998 California Instruments www.valuetronics.com...

  • Page 38: Oscillator Module

    Other circuits on the Waveform Generator board are used to detect frequency programmed outside the Range Limit. The oscillator output will go to zero until the programmed frequency is corrected. The oscillator output will interrupt momentarily during a voltage range change to reduce stress on the relay. California Instruments July 1998 www.valuetronics.com...

  • Page 39: Figure 5-1: Ac Power System Block Diagram

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-1: AC Power System Block Diagram July 1998 California Instruments www.valuetronics.com...

  • Page 40: Maintenance And Troubleshooting

    If the AC Power Source exhibits poor voltage regulation the following item may be at fault: The Remote Sense lines are not connected at the same point monitored by the external voltmeter used for load regulation check. SOLUTION: Connect AC voltmeter to Remote Sense lines. California Instruments July 1998 www.valuetronics.com...

  • Page 41: Overtemperature Lamp On

    The programmable current limit level is set too low for the load being driven. SOLUTION: Compute and reprogram the correct programmable current limit level. The programmable current limit is incorrectly calibrated. SOLUTION: Perform the calibration in paragraph 4.4.4. Incorrect AC Power Source configuration. July 1998 California Instruments www.valuetronics.com...

  • Page 42: Distorted Output

    SOLUTION: If the signal at the System Interface connector is greater than 5.74 VAC, it may be necessary to replace the respective amplifier. Refer to paragraph 6.9. The internal amplifier fuse, F2, has failed. SOLUTION: Replace the fuse. California Instruments July 1998 www.valuetronics.com...

  • Page 43: Module Removal

    Remove (2) #6-32 x 3/8” screws and lock washers located near the connector, attaching the red insulator to the center bracket. Remove the amplifier by lifting its end up and disconnecting from the connector. July 1998 California Instruments www.valuetronics.com...
  • Page 44 The amplifier may be replaced by following this procedure in reverse order. Check the amplifier 15 amp fuse (F2) located on the DC Supply Board, A6, and replace it if necessary. After an amplifier has been replaced, readjust its gain. Refer to Section 4. California Instruments July 1998 www.valuetronics.com...

  • Page 45: Figure 6-1: Module Location

    751L-M/ 1501L-M/ 2001L-M INSTRUCTION MANUAL Figure 0-1: Module Location July 1998 California Instruments www.valuetronics.com...

  • Page 46: Replaceable Parts

    In order to ensure prompt, accurate service, please provide the following information, when applicable for each replacement part ordered. Model number and serial number of the instrument. California Instruments part number for the subassembly where the component is located. (PARENT ITEM NO.) Component reference designator. (SEQ NO.) Component description.
  • Page 47 16067 4008-712-1 PC ASSY, DC SUPPLY 16067 4009-423-8 PC ASSY, HEATSINK, SW AMP 16067 4005-404-5 PC ASSY, MODULE OSC. 16067 4005-710-1 PC ASSY, EMI FILTER 16067 241175 FAN, 4", 48 VDC 23936 270167 FUSE,15A,250V 71400 July 1998 California Instruments www.valuetronics.com...

  • Page 48: One Year Warranty

    PROCEDURE FOR SERVICE If a fault develops, notify CALIFORNIA INSTRUMENTS or its local representative, giving full details of the difficulty, including the model number and serial number. On receipt of this information, service information or a Return Material Authorization (RMA) number will be given.

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Invertron 1501l-mInvertron 2001l-m

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