California Instruments 2750L-P Series, Instruction Manual

Page 1: ...Revision K August 2001 Copyright 1995 2001 By California Instruments All rights reserved P N 4009 316 INSTRUCTION MANUAL 2750L P 4500L P 6000L P...

Page 2: ...46 3 7 REMOTE PROGRAMMING WITH ABBREVIATED PLAIN ENGLISH APE 47 3 8 REMOTE OPERATION WITH MATE CIIL 67 SECTION 4 CALIBRATION PROCEDURE 82 4 1 GENERAL 82 4 2 TEST EQUIPMENT 83 4 3 PERIODIC CALIBRATION...

Page 3: ...D 119 8 1 GENERAL 119 8 2 INITIAL SETUP 119 8 3 TEST PERFORMED 119 8 4 KEYPAD ENTRY Refer to page 31 for Keyboard flow chart 120 8 5 GPIB OPERATION Refer to page 150 for syntax diagram 122 8 6 TEST SP...

Page 4: ...LE PROGRAMMING STRINGS 81 Table 4 1 SETUP LOAD VALUES 86 Table 4 1 SETUP LOAD VALUES continued 87 Table 4 2 AMPLIFIER LOAD BALANCE ADJUSTMENTS 99 Table 4 3 CURRENT LIMIT ADJUSTMENT 102 Table 6 1 TROUB...

Page 5: ...ources can be configured to supply full output power up to 27000VA Table 1 1 shows the output VA per phase for each of the available power system models The table also shows that increased power is av...

Page 6: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 2 Figure 1 1 MODEL 4500L 2750L 6000L P OUTPUT DRAWINGS...

Page 7: ...Figure 1 1 The 200 400 volt range EHV Option is specified for full power from 45 to 1000 Hz The output frequency of all P power systems can be programmed down to 17 Hz at a reduced output voltage 1 3...

Page 8: ...000 1 66 66 74 08 1 33 33 37 04 1 12000L 2 3 10600 12000 3540 4000 26 24 29 62 13 12 14 81 12000L 2 1 10600 12000 10600 12000 78 7 88 88 39 35 44 44 13500L 3 3 13500 15000 1 4500 5000 1 33 34 37 04 1...

Page 9: ...olts from 5 to 135 volts 0 54 volts from 135 to 312 volts 1 5 volts from 5 to 200 volts EHV Option 45 to 1 KHz 3 0 volts from 200 to 400 volts EHV Option 45 to 1 KHz Add 2 of programmed value below 45...

Page 10: ...ion 2 0 volts from 0 to 200 volts EHV option 3 5 volts from 200 to 400 volts EHV option Voltage resolution 0 1 volt for 1 digit MODEL 2750L 3P 6000L 3P 2750L 1P EHV 4500L 3P All Other Models Current a...

Page 11: ...ncy 75 typical Surge Current turn on VL L 252 178 Amps 100 Amps for 6000L SUPPLEMENTAL OUTPUT SPECIFICATIONS Full current range Output noise voltage 20 KHz to 1 MHz at full load 200 millivolts typical...

Page 12: ...essage Separators SR1 Data transfer rate 200K bytes per second Language A California Instruments language which is upward compatible from other C I products Functions Range Resolution Initialization 1...

Page 13: ...values Accuracy 0 to 15 of programmed value NOTE 1 Independent control for each output phase NOTE Customer access to Initial Default values for Frequency Voltage Voltage Range and Current Limit OTHER...

Page 14: ...pe 2 class 2 Rear panel and top cover iridite Air intake exhaust Intake from both sides of chassis Exhaust to the rear Modularity Oscillator All amplifiers DC power supplies Current Limit Board Assemb...

Page 15: ...Less than 20 Mode Allows power system to be programmed to a 1 or 3 phase output Auxiliary outputs Option AX Master and Slave options not available with this option All specifications at 23 C and veri...

Page 16: ...ase relationship frequency and current limit MIL 704D 704D option Performs all sections of MIL STD 704D 2 PHASE 2P 2 phase operation RTCA DO 160C DO160C option Performs all sections of RTCA DO 160C SY...

Page 17: ...load on the output 2 3 MECHANICAL INSTALLATION The power system has been designed for rack mounting in a standard 19 inch rack The unit should be supported from the sides with optional rack slides See...

Page 18: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 14 Figure 2 1 6000L 2750L and 4500L 3P REAR PANEL CONNECTIONS...

Page 19: ...Figure 2 2 SYSTEM INTERCONNECT 6000L 3 12000L 2 3 4500L 3 18000L 4 3 INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K...

Page 20: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 16 Figure 2 2 SYSTEM INTERCONNECT FOR MODE OPTION 6000L 3 12000L 2 3 4500L 3 9000l 2 3 13500l 3 3 18000L 4 3 18000l 3 3...

Page 21: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 17 Figure 2 2 SYSTEM INTERCONNECT FOR ALL 1 PHASE SYSTEMS...

Page 22: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 18 Figure 2 2 SYSTEM INTERCONNECT 18000L 3 3 13500L 3 3 27000L 6 3...

Page 23: ...UTION Voltages up to 480 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...

Page 24: ...R PHASE X 0 00111 MAX LENGTH ft 2 MAX CURRENT PER PHASE X 0 00061 For a single power source 1 phase power system the output power is available on TB1 pins 3 and 4 The External Sense inputs must be con...

Page 25: ...erve each of the outputs with the oscilloscope or distortion analyzer The outputs should be clean sine waves having less than 1 0 distortion 10 Apply full loads to each phase Refer to Table 4 1 Verify...

Page 26: ...output e Both chassis in a 9000L 2 3 or 12000L 2 3 system For multiple chassis power systems with a multi phase output 9000L 2 2 13500L 3 3 27000L 6 3 and 40500L 9 3 the DIP switches should be set to...

Page 27: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 23 Figure 2 3 FUNCTION TEST SETUP...

Page 28: ...p LCD display and a viewing angle adjustment The 20 key keypad allows the power source to be manually programmed at the front panel The knob labeled VIEW ANGLE may be turned to adjust the contrast of...

Page 29: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 25 Figure 3 1 FRONT PANEL CONTROLS AND INDICATORS...

Page 30: ...le 3 1 for identification of the TB1 terminals Terminal 3 and 4 are used for a 1 phase system Refer to Figure 2 2 for the output of all multiple power source power systems TB1 DESCRIPTION ____________...

Page 31: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 27 Figure 3 2 REAR PANEL CONNECTIONS 6000L 2750L 4500L...

Page 32: ...t limit 9 RPV Not used 10 OVR TEMP Overtemperature indication 11 CNF Output relay 12 FLT C Phase C current limit fault 13 FLT A Phase A current limit fault 14 F STB LO Function Sync output LO 15 EX SY...

Page 33: ...make no connection to the pin J7 12 FLT C Make no connections J7 13 FLT A Make no connections J7 14 F STB LO Function Sync Low signal This is the emitter lead of an optically isolated NPN transistor T...

Page 34: ...is the common input The External Sync input is optically isolated It must also be enabled from the SNC screen J7 36 REMOTE SHUTDOWN This is a logic input that can be used to remove the programmed outp...

Page 35: ...System may be manually programmed by using the keypad and observing the front panel LCD display Figure 3 4 shows the front panel keypad Table 3 4 lists the key and a brief description While viewing an...

Page 36: ...led after any numeric key is depressed A Used to direct any parameter change to phase A Also used to update any quantity in the display identified as A B Used to direct any parameter change to phase B...

Page 37: ...equired to access these screens Refer to Section 4 Calibration Table 3 8 shows all of the Configuration screens The only value that is user programmable is the IEEE 488 GPIB Listen Address The followi...

Page 38: ...VA or 0 2000 VA Measures the apparent out put power Range depends on output VA per phase 26 FQM 40 5000 Measures the output frequency in hertz 27 PZM A B C 0 359 9 Measures the phase angle of the outp...

Page 39: ...cy limit 19 CLM A RNG Max Current Defines the maximum current limit value B PRS 0 Defines the decimal point location for measured power C CRS 2 Defines the decimal point location for measured current...

Page 40: ...itude AMP is limited to values less than that described by the following formula AMP Voltage Range FRQ 45 3 5 4 TO PROGRAM FREQUENCY FRQ 6 Select the Frequency FRQ screen by entering the keystrokes 6...

Page 41: ...RNG 4 The RNG screen has two purposes to select a range defined by the range pair selected in the Amplitude Limit ALM screen and to select an upper voltage limit less than that specified by the ALM s...

Page 42: ...r 2 5 seconds and then return to a final value of 115V 1 Select the AMP screen and enable 130 volts to be programmed 5 ENT 130 PRG 2 Select the RMP screen program a DLY of 2 5 a final VAL of 115 volts...

Page 43: ...am the start to 10 volts 5 ENT 10 PRG 2 Select the FRQ screen independent parameter and program the start frequency of 360 Hz 6 ENT 360 PRG 3 Select the RMPA screen and program the independent ramp pa...

Page 44: ...ing this screen to select the external SNC mode depress the EXT key followed by the PRG and ENT key Example EXT PRG ENT While operating in the EXT SNC mode the FRQ screen will display the frequency of...

Page 45: ...sters will be retained during power down Register operation may be chained to another register by adding the REC and register number to any setup sequence The REC and REG keys are used for register op...

Page 46: ...RAMPS Two outputs may be simultaneously ramped or stepped by enabling two parameter screens The screen first selected will be the dependent parameter The last parameter screen selected before entering...

Page 47: ...y be executed by depressing the ENT key or stored in a register 3 5 15 ERROR MESSAGES Table 3 9 shows all of the possible error messages displayed on the front panel display The cause of the error mes...

Page 48: ...ntax received from IEEE 488 External Interface AMP RANGE ERROR Attempt to program AMP value greater than RNG value FRQ RANGE ERROR Attempt to program FRQ less than 45 2 or greater than 2 or 5 KHz PHZ...

Page 49: ...At this point the default voltage from 0 to 5 may be entered If a value of less than 5 volts is entered the output may fault when a voltage is programmed to a value that is less than 50 of full scale...

Page 50: ...nt power apparent power power factor phase and frequency The phase A B and C output values are shown simultaneously for 3 phase systems While viewing any measurement screen except ELT any other measur...

Page 51: ...ase A The resolution is 0 1 degree 3 6 8 ELAPSED TIME ELT 11 This screen displays the total run time accumulated on the AC Power System up to 99 999 hours H Hours M Minutes S Seconds 3 7 REMOTE PROGRA...

Page 52: ...displayed Depress the A key to display the present Unit Address It may be changed to any value from 0 to 30 and will be stored in non volatile memory The new unit address will not be updated until po...

Page 53: ...ata string EOS End of String A delimiter message that consists of a data byte s to indicate the end of a data string GET Group Execute Trigger A GPIB message to trigger an addressed instrument GTL Go...

Page 54: ...0 0 0 1 001 0 0 0 1 0 001 0 0 0 1 1 001 0 0 1 0 0 001 0 0 1 0 1 001 0 0 1 1 0 001 0 0 1 1 1 001 0 1 0 0 0 001 0 1 0 0 1 001 0 1 0 1 0 001 0 1 0 1 1 001 0 1 1 0 0 001 0 1 1 0 1 001 0 1 1 1 0 001 0 1 1...

Page 55: ...ny number of digits following the decimal point not to exceed the 256 byte DAM buffer but only the Least Significant Digit LSD of resolution will be recognized The LSD for amplitude is 0 1 volts The L...

Page 56: ...TO PROGRAM OUTPUT PARAMETERS AMP n OPN WVF SNW SNC INT REC n REG n FRQ A CLS A SQW CLK EXT CRL B B RNG C C PHZ DRP TO RAMP OR STEP ONE OUTPUT PARAMETERS AMP n STP n DLY n VAL n FRQ A CRL B DLY n VAL...

Page 57: ...T n CUR A PWR B C TO REQUEST TALKING A PROGRAMMED PARAMETER OR MEASURED VALUE TLK AMP FRQ A CRL B RNG C PHZ SNC CLK MNU ELT VLT CUR PWR APW PWF ALM FLM CFG POF MOD TO RECALL A REGISTER REC n Represent...

Page 58: ...angle in degrees PRG 0 through 15 Load register with preceding data REC 0 through 15 Recall register or specify link register if it is preceded by program argument followed by PRG and register number...

Page 59: ...th the optional A B or C extension is used to identify the amplitude command The argument is a numeric data field from 0 0 to the limit set by the RNG value An attempt to program a value higher than t...

Page 60: ...10 5 amps for all three phases CRL 10 5 3 7 9 TO PROGRAM CALIBRATION CAL The CAL header when used alone or followed by the header AMP in addition to an A B or C extension is used to calibrate the pro...

Page 61: ...o 125 volts for 2 55 seconds and return to 115 volts AMP 125 DLY 2 55 VAL 115 The following string will ramp the voltage from 10 volts to 115 volts with 1 5 volt 5 sec steps AMP 10 DLY 5 STP 1 5 VAL 1...

Page 62: ...power controllers The following example will load a ramp program that will step the voltage from 10 to 115 volts with 1 volt 5 sec steps at 400 Hz into register 0 FRQ400 AMP10 DLY 5 STP1 VAL115 REG0...

Page 63: ...T Sending the ASCII string SNC INT will disable the sync input 3 7 15 TO PROGRAM EXTERNAL CLOCK CLK optional The CLK header has an argument of either EXT or INT The CLK header with the EXT argument wi...

Page 64: ...l be programmed to zero volts for 50 milliseconds before the output relays open or close 3 7 19 TO PROGRAM DROP CYCLE DRP The DRP header is used to identify the Drop Command The argument is a numeric...

Page 65: ...MEASURED AND PROGRAMMED DATA The TLK header will setup the AC Power System to talk data The TLK header will setup the AC Power System to report a programmed output parameter if the program header is t...

Page 66: ...ause the front panel to display the output current Table 3 13 TLK ARGUMENTS ARGUMENT EXTENSION DATA REPORTED DEFINITION ALM A B C 0000 135 0 270 0 Default voltage range code Low Voltage Range High Vol...

Page 67: ...Talk contents of register RNG None 0 to 270 0 Programmed range and limit SRQ None 0 1 or 2 Programmed SRQ status VLT A B C 0 0 to 400 0 Measured output voltage THD A B C 0 to 20 Programmed total harm...

Page 68: ...20 0 TLK WVF WVFA SNW B SNW C SNW If function is not enabled a syntax Error message will be generated 3 7 28 TO TALK THE MEASURED OUTPUT POWER TLK PWR PWR may be used as an argument to the header TLK...

Page 69: ...phase B and C relative to phase A The measurement is made at the External Sense terminals Phase A is the reference phase and will always be reported as 000 0 degrees unless the AC Power System is oper...

Page 70: ...Identify line true with the last data byte 3 7 37 ERROR MESSAGES Table 3 15 shows all of the possible error messages that can be generated by the AC Power System These messages will also be displayed...

Page 71: ...overtemperature Amplifier overtemperature RNG value greater than highest range AMP value greater than RNG value FRQ value is less than 45 or greater than 2000 Hz PHZ value greater than 999 0 CRL valu...

Page 72: ...PANG CURL SYNI POWR APOW CURR TRSC CHANNEL DESIGNATORS CH00 CH01 CH02 CH03 The only noun recognized by the power source is ACS for AC Signal The only non operational code no op in a string is an ASCII...

Page 73: ...CH01 CH02 CH03 CLS _______________ CH00 CR LF OPN CH01 CH02 CH03 ______________________________________________________________________________________________ GENERAL CIIL STRINGS GAL CR LF CNF IST...

Page 74: ...8 3 1 FNC All set up strings must begin with OP code FNC followed by the noun ACS and the channel designator CHnn e g FNC ACS CH03 3 8 3 2 SET The SET set up OP code must be sent when a characteristi...

Page 75: ...urement data for Phase B to Bus Controller Send power measurement data for Phase C to Bus Controller Send apparent power measurement data for Phase A Phase B and Phase C to Bus Controller Send apparen...

Page 76: ...0 Degrees Phase B Phase Angle 240 Degrees Phase C Phase Angle 120 Degrees Sync Internal Current Limits Maximum current of power system Power Source Relays Open Relative to External Sync In addition al...

Page 77: ...for the time required to measure the voltage of all phases consists of the following strings FNC ACS VOLT CHnn CR LF INX VOLT CR LF The power source then responds with SP 5 CR LF The power source res...

Page 78: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 74 Figure 3 7 CONFIDENCE TEST FLOW DIAGRAM Refer to Figures 5 1 5 6 and Top Assembly Parts List 4009 422 For Reference Designators...

Page 79: ...th the values of all three phases in the order of A B and C 3 8 3 9 STA The STA status OP code instructs the power source to transfer its output message to its output buffer The message is then transm...

Page 80: ...hase or phases will be so set The number which follows the modifier in the string determines the amplitude to be programmed For example to set the output voltage of all three phases to 110 volts the f...

Page 81: ...addressed to talk the power source responds with the maximum time required to make the measurement in seconds SP 5 CR LF When operating in the external sync mode the phase angle of phase A relative to...

Page 82: ...e above series of strings may be omitted if the time data is not required 3 8 4 6 CURR The CURR current measurement noun modifier s single function is to measure current The strings to initiate the cu...

Page 83: ...of the strings transmitted and received is L CNF CR LF L STA CR LF T SP CR LF The power source accepts the STA OP code after any string which is sent to it For example L FNC ACS CH00 SET VOLT115 SRX...

Page 84: ...pplied with the MT power source option The DFI relay contacts are connected to the BNC connector J3 on the power source rear panel Under normal operating conditions the DFI relay contacts are open whe...

Page 85: ...5 SET SYNI CR LF Phase B to 100 volts and current limit to 2 amps FNC ACS CH02 SET CURL 2E1 SET FREQ4E2 SET VOLT100 CR LF To power up state open relay RST ACS CH00 CR LF Phase B to 90 degrees FNC ACS...

Page 86: ...MEASUREMENT CALIBRATION 92 4 4 1 OUTPUT FREQUENCY CALIBRATION 96 This is a nonperiodic calibration of the output frequency 4 4 2 AMPLIFIER GAIN BALANCE ADJUSTMENT 96 These are nonperiodic adjustments...

Page 87: ...IBRATION 103 4 2 TEST EQUIPMENT The following equipment or their equivalents are required to completely test the AC Power System TEST EQUIPMENT FOR PERIODIC CALIBRATION 1 Digital Voltmeter Fluke Model...

Page 88: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 84 Figure 4 1 INTERNAL ADJUSTMENTS AND JUMPER LOCATIONS Internal Adjustments and Jumper Locations...

Page 89: ...UTION Voltages up to 480 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...

Page 90: ...UE SET VALUE 10 9 10 10 7 5 46 20 21 5 3 64 30 32 1 82 60 64 5 1 21 90 96 8 0 607 180 194 156 312 RANGE LOAD RES CURRENT LIMIT PROGRAM VALUE SET VALUE 14 59 7 4 8 7 3 15 16 1 4 86 22 4 24 2 43 44 9 48...

Page 91: ...PROGRAM VALUE SET VALUE 18 2 6 6 4 6 07 18 19 3 9 11 12 12 8 4 55 24 25 6 3 03 36 38 5 1 01 100 107 156 312 RANGE LOAD RES CURRENT LIMIT PROGRAM VALUE SET VALUE 24 3 4 5 4 8 8 1 13 5 14 4 12 13 10 10...

Page 92: ...M 17 FLM 18 CLM 19 5 Select the CAL screen with the key sequence 12 ENT 6 Depress the A B or C key for the output phase to be calibrated Verify that the other phases are in the MON mode The A B or C k...

Page 93: ...8 CLM 19 5 Enter the key sequence 13 ENT to access the CAL VLT screen 6 If all phases of the voltage measurement are to be calibrated to 135 0 enter the key sequence 135 PRG ENT After about 5 seconds...

Page 94: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 90 Figure 4 2 EQUIPMENT HOOKUP FOR PERIODIC CALIBRATION...

Page 95: ...screen Determine the full load resistive value from the LOAD RES value from Table 4 1 6 Apply the load to the phase A output only Measure the phase A output current with the AC Digital Voltmeter and C...

Page 96: ...he correct power value 7 On the keypad enter the key sequence Measured phase A power A PRG ENT 8 Repeat step 6 for phase B 9 Repeat step 7 except enter the key sequence Measured phase B phase B PRG EN...

Page 97: ...6 REMOTE OUTPUT VOLTAGE CALIBRATION The ASCII symbol can be used with a remote calibration to greatly reduce the calibration time The ASCII is used in place of a calibration coefficient to begin the...

Page 98: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 94 Figure 4 3 FLOW DIAGRAM A REMOTE CALIBRATION...

Page 99: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 95 Figure 4 3 FLOW CHART continued...

Page 100: ...power system models except the 2750L 3P 4500L 3P and 6000L 3P The 2750L 3P 4500L 3P and 6000L 3P do not require a gain balance adjustment Before performing the adjustment the top cover of each power s...

Page 101: ...ADJUSTMENT The following adjustments must be made with jumper W2 on the Current Limit Assembly removed If the output of any power source is connected to the output of any other power source ex 9000L 2...

Page 102: ...stor see LOAD RES in Table 4 1 must be connected to the phase A B or C output of the power system For the following adjustments two external AC DVMs must be used The DVMs must be connected to test poi...

Page 103: ...e Monitor voltage for reference SLAVES TP2 R1 AMP B Same voltage as MASTER TP2 C MASTER TP3 None Monitor voltage for reference SLAVES TP3 R1 AMP C Same voltage as MASTER TP3 13500L 3 1 A MASTER TP10 N...

Page 104: ...P10 R1 AMP A TP2 R1 AMP B TP3 R1 AMP C SLAVE 5 TP10 R1 AMP A TP2 R1 AMP B TP3 R1 AMP C 27000L 6 3 A MASTER TP10 None Monitor voltage for reference TP2 R1 AMP B Same voltage as MASTER TP10 TP3 R1 AMP C...

Page 105: ...m phase A output only 5 Increase the output amplitude slowly until the external AC current transformer indicates SET VALUE from Table 4 1 Slowly turn A9 R17 on the Current Limit Assembly in a counterc...

Page 106: ...R46 4500L 3 2750L 3 6000L 3 C R72 A R17 MASTER SLAVES A R46 2750L 1 4500L 1 6000L 1 9000L 2 1 12000L 2 1 13500L 3 1 18000L 3 1 27000L 6 1 A R72 9000L 2 3 12000l 2 3 A R17 MASTER SLAVES B R46 C R72 A R...

Page 107: ...To access the POF screen perform the following key sequences 1 Access the Phase screen PHZ 2 Depress the MNU key several times until the following screen is displayed SNC 01 CLK 02 WFV 03 RNG 04 3 En...

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Page 109: ...utput transformers T1 T2 and T3 The outputs are routed through the Power Mother Board to the output transformers The Range Relay Board is identified as A6 This board assembly configures the secondarie...

Page 110: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 106 Figure 5 1 AC POWER SYSTEM BLOCK DIAGRAM...

Page 111: ...l default and an AMP FAULT error message will be displayed The error message will also be reported through the IEEE 488 GPIB interface The Current Limit Board has analog switches and summing amplifier...

Page 112: ...ntrol signal is sent to the Oscillator Module A logic low on the OVER TMP control line will cause the error message TEMP FAULT to be generated 5 9 OSCILLATOR MODULE The Oscillator Module is identified...

Page 113: ...ngs of the Phase A waveform Phase is computed from the differences of measured zero crossings between the Phase A signal and the Phase B or Phase C signal A digital to analog converter on the CPU GPIB...

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Page 115: ...2 6 7 Distorted Output 112 6 8 No Output 113 6 2 POOR VOLTAGE ACCURACY If the power source exhibits poor programmed voltage accuracy the following item may be at fault 1 The calibration is incorrect S...

Page 116: ...the Amplifier Gain Balance or Load Balance is incorrect SOLUTION Perform the adjustments in paragraph 4 4 2 and 4 4 4 page 82 5 Incorrect AC Power Source configuration Check the ELT screen It should...

Page 117: ...terface connector J7 24 Oscillator Phase A J7 6 Oscillator Phase B J7 23 Oscillator Phase C J7 7 Oscillator common return Program 135 0 volts on the 135 volt range The three signals should be 5 0 0 10...

Page 118: ...or phase A F2 for phase B and F3 is for phase C CAUTION Capacitor C1 may have up to 350 VDC after the input circuit breaker has been turned off Before inspecting fuses F1 F2 and F3 discharge C1 C1 may...

Page 119: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 115 Figure 6 1 MODULE LOCATION...

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Page 121: ...DERING INFORMATION In order to ensure prompt accurate service please provide the following information when applicable for each replacement part ordered a Model number and serial number of the instrum...

Page 122: ...FAN 4 48VDC 23936 1 0 C1 611295 CAP AL 3900 F 400V 80031 1 0 A4F1 270176 FUSE 20A 250V 71400 1 0 A4F2 270176 FUSE 20A 250V 71400 1 0 A4F3 270176 FUSE 20A 250V 71400 1 0 TOP ASSEMBLY REPLACEABLE PARTS...

Page 123: ...ltage per Figure 1 page 151 2 Voltage unbalance per Figure 2 page 151 3 Voltage phase difference per Figure 3 page 151 4 Waveform distortion factor per Figure 4 page 151 5 Frequency per Figure 5 page...

Page 124: ...Reselect The next screen is Apply Nom Output Press ENT When ENT is selected the following screen appears Press MNU to Select Test The MNU screen has two lines of selection shown at a time There are 3...

Page 125: ...ing Menu will appear 1 High Freq Test 2 Low Freq Test 3 Freq Trns Test 4 Return If key 3 is selected Abnormal from the Main Menu the following Menu will appear 1 Abnl Volt Menu 2 Abnl Freq Menu 3 Abno...

Page 126: ...OVER MIL704D A B C ABNormal VOLTage UNDer MIL704D ABNormal FREQuency MIL704D ABNormal FREQuency OVER MIL704D ABNormal FREQuency UNDer MIL704D A B C EMERgency MIL704D A B C EMERgency VOLTage MIL704D EM...

Page 127: ...6 2 TRANSIENT 1 Transient high voltage test Figure 6 MIL704D A B C TRANsient VOLTage HIGH This test requires a 180 volts range A range change will take place if the power source is not set for the hi...

Page 128: ...e low frequency transient There is a pause of 5 seconds between tests 8 6 3 ABNORMAL 1 Abnormal overvoltage test Figure 10 MIL704D A B C ABNormal VOLTage OVER This test requires a 180 volt range A ran...

Page 129: ...Figure 13 MIL704D ABNormal FREQuency UNDer This test will step down the frequency from 400 Hz to 0 Hz The frequency will step up to 400 Hz in the following sequence 0 Hz for 5 seconds 375 Hz for 5 sec...

Page 130: ...age emergency test and the frequency emergency test A pause of 5 seconds between tests is asserted 8 6 5 MIL704D TEST MIL704D A B C This test will combine all the tests listed above in one test in the...

Page 131: ...TEST 3 FREQ TRANS TEST 4 RETURN 1 OVERVOLT TEST 2 UNDERVOLT TEST 3 VOLTAGE TEST 4 RETURN 1 OVERFREQ TEST 2 UNDERFREQ TEST 3 FREQ TEST 4 RETURN 1 STEADY St MENU 2 TRANSIENT MENU 3 ABNORMAL MENU 4 EMERG...

Page 132: ...4D A B C STEady state ABNormal VOLTage VOLTage VOLTage UNBalance VOLTage OVER PHASe DIFFerence VOLTage UNDER WAVeform DISTortion FREQuency FREQuency FREQuency OVER FREQuency UNDER TRANsient EMERgency...

Page 133: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 129 Figure 1 STEADY STATE VOLTAGE...

Page 134: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 130 INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 130 Figure 6 7 VOLTAGE TRANSIENT Figure 6 7 VOLTAGE TRANSIENT...

Page 135: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 131 Figure 8 9 FREQUENCY TRANSIENT...

Page 136: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 132 Figure 10 11 ABNORMAL OPERATION...

Page 137: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 133 Figure 12 13 ABNORMAL FREQUENCY...

Page 138: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 134 Figure 14 EMERGENCY VOLTAGE...

Page 139: ...L MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 135 SECTION 9 2 PHASE OPTION 2P 9 1 GENERAL The output appears from the Phase A and Phase C output terminals for this option Phase C leads Phase A by...

Page 140: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 136 This page left intentionally blank...

Page 141: ...istortion test 4 Voltage Modulation test 5 Frequency Modulation test 6 Momentary Power Interrupt Undervoltage test 7 Voltage Surge Overvoltage test 10 3 2 EMERGENCY TEST 1 Emergency Voltage and Freque...

Page 142: ...The display will return to the previous screen if the word RETURN appears for the item selected The Main Menu will appears as follows 1 Normal Menu 2 Emergency Menu 3 Abnormal Menu 4 Return If Key 1...

Page 143: ...g screen will appear as follows Enter Test Number 1 to 15 and ENT see Table 1 10 5 GPIB OPERATION The following command will be used to execute the appropriate section of DO 160C Remote Command DO160...

Page 144: ...y The unselected phase will remain at 115 volts 10 6 1 3 NORMAL STATE VOLTAGE UNBALANCE DO160 A B C NORMal state VOLTage UNBalance This test will change the output voltage for each phase from 115 volt...

Page 145: ...e under emergency electrical system 10 6 2 1 EMERGENCY STATE MINIMUM VOLTAGE AND FREQUENCY TEST DO160 A B C EMERgency VOLT_FREQ MINimum This test is similar to the test at 6 1 1 except the output freq...

Page 146: ...for 7 seconds 10 6 3 4 ABNORMAL STATE VOLTAGE SURGE DO160 A B C ABNormal state VOLTage OVER This test requires an output voltage range of 180 volts If the power source is a dual voltage range this tes...

Page 147: ...TEST 3 VOLT MOD TEST 4 POWER INT TEST 5 VOLT SURGE TEST 6 WAVE DIST TEST 7 FREQ MOD TEST 8 RETURN 1 NORMAL St MENU 2 EMERGENCY MENU 3 ABNORMAL MENU 4 RETURN 1 Emg Vunder 2 Emg Vover 3 RETURN 1 Ab Vund...

Page 148: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 144 FIGURE 2...

Page 149: ...INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 145 INSTRUCTIONAL MANUAL 2750L P 4500L P 6000L P August 2001 Rev K 145 FIGURE 3...

Page 150: ...The minimum level expressed as a percentage of V NOMINAL to which the applied voltage is permitted to decay 2 Tolerance to T1 T2 and V MIN 10 Test Condition No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 T1...

Page 151: ...e flood accident actions of third parties or other events outside reasonable control SOME STATES DO NOT ALLOW LIMITATIONS ON THE LENGTH OF AN IMPLIED WARRANTY OR THE EXCLUSION OR LIMITATION OF INCIDEN...