User Contributed MET/CAL PROCEDURE ============================================================================= INSTRUMENT: HP 6291A:DC Power Supply DATE: 18-Jul-96 AUTHOR: User Contributed REVISION: 0 ADJUSTMENT THRESHOLD: 100% NUMBER OF TESTS: 10 NUMBER OF LINES: 165 CONFIGURATION: Datron 1281 STANDARD: DTB Metered Variac STANDARD: Transistor Devices DLP 50 STANDARD: EPC HS 5-500 ============================================================================= STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 IEEE [@1281] *RST 1.002 ASK+ X 1.003 ASK- P F 1.004 HEAD ÍÍ INITIAL CONDITIONS ÍÍ 1.005 DISP The following test equipment is required: 1.005 DISP 1. Metered vaiac DTB # 2-172 1.005 DISP 2. Transistor Devices DLP 50-150-3000A 1.005 DISP 3. EPC HS 5-500 5 Amp Shunt DTB # 14-107 1.006 DISP Set the UUT front panel controls as follows: 1.006 DISP LINE ON/OFF ........................................ OFF 1.006 DISP VOLTAGE COARSE/FINE........................... fully CCW 1.006 DISP CURRENT COARSE/FINE........................... fully CCW 1.006 DISP METER switch ....................................... 50V 1.007 DISP Remove the UUT rear panel terminal strip cover. 1.008 DISP All connections are made to the rear panel 1.008 DISP terminal strip. If not already connected, connect 1.008 DISP shorting links between the UUT + and +S output terminals 1.008 DISP and - and -S terminals. 1.009 DISP ÿ Connect the UUT and the 1281 as follows: 1.009 DISP ÿ[27][91]1m 6291A TO 1281[27][91]m 1.009 DISP ÿ OUTPUT- (+S) ÄÄÄÄÄÄÄÄÄÄÄÄ> INPUT-HIGH 1.009 DISP ÿ OUTPUT- (-S) ÄÄÄÄÄÄÄÄÄÄÄÄ> INPUT-LO 1.010 DISP Connect the EPC HS 5-500 5 Amp Shunt in series 1.010 DISP with the UUT and DLP 50 as follows: 1.010 DISP 1.010 DISP ÿ [27][91]1m 6291A TO SHUNT 1.010 DISP ÿ OUTPUT + ÄÄÄÄÄÄÄÄÄ> Shunt Right Terminal 1.010 DISP 1.010 DISP ÿ [27][91]1m SHUNT TO DPL 50 1.010 DISP ÿ Shunt Left Terminal ÄÄÄÄÄÄÄÄÄ> DLP 50 + Input 1.011 DISP ÿ Connect the UUT and the DLP 50 as follows: 1.011 DISP ÿ[27][91]1m 6291A TO DLP 50[27][91]m 1.011 DISP ÿ OUTPUT- (-) ÄÄÄÄÄÄÄÄÄÄÄÄ> INPUT- (-) 1.012 DISP Connect the 1281 HI and LO inputs accross the shunt 1.012 DISP as follows: 1.012 DISP ÿ [27][91]1m 1281 TO SHUNT 1.012 DISP ÿ CH A INPUT HI ÄÄÄÄÄÄÄÄÄ> RIGHT SHUNT METER TERMINAL 1.012 DISP ÿ CH A INPUT LO ÄÄÄÄÄÄÄÄÄ> LEFT SHUNT METER TERMINAL 1.013 DISP Connect UUT AC line cord to Metered Variac. 1.014 DISP Set the DLP 50 front panel controls as follows: 1.014 DISP VOLTS RANGE ........................................ 60V 1.014 DISP AMPS RANGE ......................................... 18A 1.014 DISP MODE ............................................. 0-30A 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 DTB Metered Variac 1.023 STD Transistor Devices DLP 50 1.024 JMP 2.001 1.025 EVAL 2.001 DISP Set the UUT front panel controls as follows: 2.001 DISP CURRENT COARSE/FINE............................ fully CW 2.002 DISP Set UUT VOLTAGE controls for a UUT reading of exactly 2.002 DISP 40 Volts. 2.003 IEEE [@1281] DCV AUTO 2.004 IEEE [@1281] [D2000]RDG?[I] 2.005 MATH MEM1 = 40.00 2.006 MEME 2.007 MEMC V 2% 0.00U 3.001 STD EPC HS 5-500 3.002 MEMI Use keyboard to enter actual shunt value in ohms: 3.003 MATH M[1] = MEM 3.004 DISP Set the UUT front panel controls as follows: 3.004 DISP METER switch ........................................ 6A 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 5 amps. 3.007 IEEE [@1281]INPUT CH_A 3.007 IEEE [@1281] DCV AUTO 3.008 IEEE [@1281] [D2000]RDG?[I] # 3.009 MEM* 1000 3.009 MATH MEM1 = 5.00 3.010 MATH MEM = MEM / M[1] 3.011 MEME 3.012 MEMC A 2% 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 5.002 4.007 EVAL 5.001 DISP Set the DLP 50 front panel controls as follows: 5.001 DISP DC switch ........................................... ON 5.002 DISP Adjust variac for an reading of 115VAC. 5.003 IEEE [@1281] INPUT FRONT 5.004 IEEE [@1281] DCV AUTO 5.005 IEEE [@1281] [D2000]RDG?[I] 5.006 MEME 5.007 IEEE [D2000] 5.008 DISP Set the DLP 50 front panel controls as follows: 5.008 DISP DC switch .......................................... OFF 5.009 IEEE [@1281] DCV AUTO 5.010 IEEE [@1281] [D2000]RDG?[I] 5.011 MATH MEM = (MEM - MEM1) * 1000 5.012 MATH MEM1 = 0.00 5.013 MEME 5.014 MEMC mV 5.00U 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 DC switch ........................................... ON 7.002 DISP Set the variac to 105 VAC. 7.003 IEEE [@1281] DCV AUTO 7.004 IEEE [@1281] [D2000]RDG?[I] 7.005 MEME 7.006 DISP Set the variac to 125 VAC. 7.007 IEEE [@1281] DCV AUTO 7.008 IEEE [@1281] [D2000]RDG?[I] 7.009 MATH MEM = (MEM - MEM1) * 1000 7.010 MATH MEM1 = 0.00 7.011 MEME 7.012 MEMC mV 5.00U 105ÿtoÿ125VAC 8.001 DISP Set the variac to 115 VAC. 8.002 HEAD {} 8.003 HEAD {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»} 8.004 HEAD {º RIPPLE AND NOISE TEST º} 8.005 HEAD {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ} 8.006 HEAD {}ÍÍ RIPPLE AND NOISE TEST ÍÍ 8.007 JMP 9.001 8.008 EVAL 9.001 IEEE [@1281]ACV AUTO 9.002 IEEE [@1281]RDG?[I][D2000]RDG?[I] 9.003 MATH MEM1 = 0.00 9.004 MEM* 1000 9.005 MEME 9.006 MEMC mV 0.500U RMS 10.001 HEAD 10.002 DISP Set the DLP 50 front panel controls as follows: 10.002 DISP DC switch .......................................... OFF 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