User Contributed MET/CAL PROCEDURE ============================================================================= INSTRUMENT: HP 6012A:DC Power Supply DATE: 06-Mar-96 AUTHOR: User Contributed REVISION: 0 ADJUSTMENT THRESHOLD: 100% NUMBER OF TESTS: 10 NUMBER OF LINES: 173 CONFIGURATION: Datron 1281 STANDARD: Transistor Devices DLP 50 STANDARD: Keithley 179A STANDARD: SRI-SH 50 ============================================================================= STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 ASK+ X 1.002 ASK- P F 1.003 IEEE [@1281]*RST 1.004 HEAD ÍÍ INITIAL CONDITIONS ÍÍ 1.005 DISP The following test equipment is required: 1.005 DISP 1. Keithley 179A DTB # 9-78 1.005 DISP 1. Transistor Devices DLP 50-150-3000A 1.005 DISP 2. Sensitive Research 50 Amp Shunt DTB # 14-3 1.006 DISP Set the UUT front panel controls as follows: 1.006 DISP LINE ON/OFF ........................................ OFF 1.006 DISP VOLTAGE ...................................... fully CCW 1.006 DISP CURRENT ...................................... fully CCW 1.006 DISP OVER VOLTAGE ADJUST ........................... fully CW 1.007 DISP ÿ Connect the UUT and the 1281 as follows: 1.007 DISP ÿ[27][91]1m 6012A TO 1281[27][91]m 1.007 DISP ÿ OUTPUT- (+S) ÄÄÄÄÄÄÄÄÄÄÄÄ> INPUT-HIGH 1.007 DISP ÿ OUTPUT- (-S) ÄÄÄÄÄÄÄÄÄÄÄÄ> INPUT-LO 1.008 DISP Connect the Sensitive Research 50 Amp Shunt in series 1.008 DISP with the UUT and DLP 50 as follows: 1.008 DISP 1.008 DISP ÿ [27][91]1m 6012A TO SHUNT 1.008 DISP ÿ OUTPUT + ÄÄÄÄÄÄÄÄÄ> Shunt Right Terminal 1.008 DISP 1.008 DISP ÿ [27][91]1m SHUNT TO DPL 50 1.008 DISP ÿ Shunt Left Terminal ÄÄÄÄÄÄÄÄÄ> DLP 50 + Input 1.009 DISP ÿ Connect the UUT and the DLP 50 as follows: 1.009 DISP ÿ[27][91]1m 6012A TO DLP 50[27][91]m 1.009 DISP ÿ OUTPUT- (-) ÄÄÄÄÄÄÄÄÄÄÄÄ> INPUT- (-) 1.010 DISP Connect the 1281 HI and LO inputs accross the shunt 1.010 DISP as follows: 1.010 DISP ÿ [27][91]1m 1281 TO SHUNT 1.010 DISP ÿ CH A INPUT HI ÄÄÄÄÄÄÄÄÄ> RIGHT SHUNT METER TERMINAL 1.010 DISP ÿ CH A INPUT LO ÄÄÄÄÄÄÄÄÄ> LEFT SHUNT METER TERMINAL 1.011 DISP With line cord disconnected from outlet, connect UUT AC 1.011 DISP line cord to Variac. 1.012 DISP Carefully connect the 179A across the Variac and set 1.012 DISP to the AC Volts function, 200 V range. 1.013 DISP Connect the Variac to the 220 VAC outlet. 1.014 DISP Set the DLP 50 front panel controls as follows: 1.014 DISP VOLTS RANGE ........................................ 60V 1.014 DISP AMPS RANGE ......................................... 60A 1.014 DISP MODE ............................................ 0-150A 1.014 DISP DC switch .......................................... OFF 1.014 DISP LOAD ADJUST COARSE/FINE ...................... fully ccw 1.014 DISP AC ON ............................................... ON 1.015 DISP Set the variac to 115 VAC. 1.016 DISP Set the UUT POWER switch to the ON position. 1.017 HEAD {} 1.018 HEAD {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»} 1.019 HEAD {º METER ACCURACY TEST º} 1.020 HEAD {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ} 1.021 HEAD {}ÍÍ METER ACCURACY TEST ÍÍ 1.022 STD Transistor Devices DLP 50 1.023 STD Keithley 179A 1.024 JMP 2.001 1.025 EVAL 2.001 DISP Set the UUT front panel controls as follows: 2.001 DISP CURRENT ....................................... fully CW 2.002 DISP Set UUT VOLTAGE controls for a UUT reading of exactly 2.002 DISP 50 Volts. 2.003 IEEE [@1281] DCV AUTO 2.004 IEEE [@1281] [D2000]RDG?[I] 2.005 ACC 200 50.00V 10P% 0.2P/ 2.006 MEME 2.007 MEMC V 3% 0.00U 3.001 DISP Set UUT VOLTAGE controls for a UUT reading of exactly 3.001 DISP 20 Volts. 3.002 STD SRI-SH 50 3.003 MEMI Use keyboard to enter actual shunt value in ohms: 3.004 MATH M[1] = MEM 3.005 DISP Set the DLP 50 front panel controls as follows: 3.005 DISP DC switch ........................................... ON 3.006 DISP Adjust DLP 50 COARSE and FINE LOAD ADJUST controls 3.006 DISP for a UUT reading of exactly 50 amps. 3.007 IEEE [@1281]INPUT CH_A 3.008 IEEE [@1281] [D2000]RDG?[I] 3.009 MEM/ 0.001 3.010 ACC 50.00A 0.1% 3.011 MEME 3.012 MEMC A 3% 0.00U 4.001 HEAD {} 4.002 HEAD {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»} 4.003 HEAD {º LOAD REGULATION TEST º} 4.004 HEAD {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ} 4.005 HEAD {}ÍÍ LOAD REGULATION TEST ÍÍ 4.006 JMP 5.001 4.007 EVAL 5.001 DISP Adjust variac for an reading of 115VAC. 5.002 IEEE [@1281] INPUT FRONT 5.002 IEEE [@1281] DCV AUTO 5.003 IEEE [@1281] [D2000]RDG?[I] 5.004 MEME 5.005 IEEE [D2000] 5.006 DISP Set the DLP 50 front panel controls as follows: 5.006 DISP DC switch .......................................... OFF 5.007 IEEE [@1281] DCV AUTO 5.008 IEEE [@1281] [D2000]RDG?[I] 5.009 MATH MEM = (MEM - MEM1) * 1000 5.010 MATH MEM1 = 0.00 5.011 MEME 5.012 MEMC mV 7.00U FULLÿtoÿNO 6.001 HEAD {} 6.002 HEAD {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»} 6.003 HEAD {º LINE REGULATION TEST º} 6.004 HEAD {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ} 6.005 HEAD {}ÍÍ LINE REGULATION TEST ÍÍ 6.006 JMP 7.001 6.007 EVAL 7.001 DISP Set the DLP 50 front panel controls as follows: 7.001 DISP LOAD ADJUST COARSE/FINE ...................... fully ccw 7.002 DISP Set UUT VOLTAGE controls for a UUT reading of exactly 7.002 DISP 50 Volts. 7.003 DISP Set the DLP 50 front panel controls as follows: 7.003 DISP DC switch ........................................... ON 7.004 DISP Adjust DLP 50 COARSE and FINE LOAD ADJUST controls 7.004 DISP for a UUT reading of exactly 22.5 amps. 7.005 DISP Set the variac to 104 VAC. 7.006 IEEE [@1281] DCV AUTO 7.007 IEEE [@1281] [D2000]RDG?[I] 7.008 MEME 7.009 DISP Set the variac to 127 VAC. 7.010 IEEE [@1281] DCV AUTO 7.011 IEEE [@1281] [D2000]RDG?[I] 7.012 MATH MEM = (MEM - MEM1) * 1000 7.013 MATH MEM1 = 0.00 7.014 MEME 7.015 MEMC mV 9.00U 104ÿtoÿ127VAC 8.001 DISP Set the variac to 115 VAC. 8.002 DISP Set the DLP 50 front panel controls as follows: 8.002 DISP DC switch .......................................... OFF 8.003 HEAD {} 8.004 HEAD {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»} 8.005 HEAD {º RIPPLE AND NOISE TEST º} 8.006 HEAD {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ} 8.007 HEAD {}ÍÍ RIPPLE AND NOISE TEST ÍÍ 8.008 JMP 9.001 8.009 EVAL 9.001 DISP Set UUT VOLTAGE controls for a UUT reading of exactly 9.001 DISP 40 Volts. 9.002 DISP Set the DLP 50 front panel controls as follows: 9.002 DISP DC switch ........................................... ON 9.003 DISP Adjust DLP 50 COARSE and FINE LOAD ADJUST controls 9.003 DISP for a UUT reading of exactly 30 amps. 9.004 IEEE [@1281]ACV AUTO 9.005 IEEE [@1281]RDG?[I][D2000]RDG?[I] 9.006 MATH MEM1 = 0.00 9.007 MEME 9.008 MEMC mVRMS 5.00U 10.001 DISP Set the DLP 50 front panel controls as follows: 10.001 DISP DC switch .......................................... OFF 10.002 HEAD 10.003 DISP Set the UUT front panel controls as follows: 10.003 DISP LINE ON/OFF ........................................ OFF 10.004 HEAD {} 10.005 DISP {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»} 10.005 DISP {º THIS COMPLETES THE VERIFICATION º} 10.005 DISP {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ} 10.006 END