User Contributed MET/CAL PROCEDURE ============================================================================= INSTRUMENT: Sorensen DCR40-13B:DC Power Supply DATE: 06-May-96 AUTHOR: User Contributed REVISION: 0 ADJUSTMENT THRESHOLD: 100% NUMBER OF TESTS: 10 NUMBER OF LINES: 152 CONFIGURATION: Datron 1281 STANDARD: DTB Metered Variac STANDARD: Transistor Devices DLP 50 STANDARD: SRI-SH 20 ============================================================================= STEP FSC RANGE NOMINAL TOLERANCE MOD1 MOD2 3 4 CON 1.001 ASK+ X 1.002 ASK- P F 1.003 HEAD ÍÍ INITIAL CONDITIONS ÍÍ 1.004 DISP The following test equipment is required: 1.004 DISP 1. Metered vaiac DTB # 2-172 1.004 DISP 2. Transistor Devices DLP 50-150-3000A 1.004 DISP 3. Sensitive Research 20 Amp Shunt DTB # 14-109 1.005 DISP Set the UUT front panel controls as follows: 1.005 DISP POWER ON/OFF ....................................... OFF 1.005 DISP VOLTAGE COARSE/FINE........................... fully CCW 1.005 DISP CURRENT COARSE/FINE........................... fully CCW 1.006 DISP ÿ Connect the UUT and the 1281 as follows: 1.006 DISP ÿ[27][91]1m DCR40-13B TO 1281[27][91]m 1.006 DISP ÿ OUTPUT (+) ÄÄÄÄÄÄÄÄÄÄÄÄ> INPUT-HIGH 1.006 DISP ÿ OUTPUT (-) ÄÄÄÄÄÄÄÄÄÄÄÄ> INPUT-LO 1.007 DISP Connect the Sensitive Research 50 Amp Shunt in series 1.007 DISP with the UUT and DLP 50 as follows: 1.007 DISP 1.007 DISP ÿ [27][91]1m DCR40-13B TO SHUNT 1.007 DISP ÿ OUTPUT + ÄÄÄÄÄÄÄÄÄ> Shunt Right Terminal 1.007 DISP 1.007 DISP ÿ [27][91]1m SHUNT TO DPL 50 1.007 DISP ÿ Shunt Left Terminal ÄÄÄÄÄÄÄÄÄ> DLP 50 + Input 1.008 DISP ÿ Connect the UUT and the DLP 50 as follows: 1.008 DISP ÿ[27][91]1m DCR40-13B TO DLP 50[27][91]m 1.008 DISP ÿ OUTPUT (-) ÄÄÄÄÄÄÄÄÄÄÄÄ> INPUT (-) 1.009 DISP Connect the 1281 HI and LO inputs accross the shunt 1.009 DISP as follows: 1.009 DISP ÿ [27][91]1m 1281 TO SHUNT 1.009 DISP ÿ CH A INPUT HI ÄÄÄÄÄÄÄÄÄ> RIGHT SHUNT METER TERMINAL 1.009 DISP ÿ CH A INPUT LO ÄÄÄÄÄÄÄÄÄ> LEFT SHUNT METER TERMINAL 1.010 DISP Connect UUT AC line cord to Metered Variac. 1.011 DISP Set the DLP 50 front panel controls as follows: 1.011 DISP VOLTS RANGE ........................................ 60V 1.011 DISP AMPS RANGE ......................................... 18A 1.011 DISP MODE ............................................. 0-30A 1.011 DISP DC switch .......................................... OFF 1.011 DISP LOAD ADJUST COARSE/FINE ...................... fully ccw 1.011 DISP AC ON ............................................... ON 1.012 DISP Set the variac to 115 VAC. 1.013 DISP Set the UUT POWER switch to the ON position. 1.014 HEAD {} 1.015 HEAD {ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»} 1.016 HEAD {º METER ACCURACY TEST º} 1.017 HEAD {ÈÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍͼ} 1.018 HEAD {}ÍÍ METER ACCURACY TEST ÍÍ 1.019 STD DTB Metered Variac 1.020 STD Transistor Devices DLP 50 1.021 JMP 2.001 1.022 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 3% 0.00U 3.001 MEMI Use keyboard to enter actual shunt value in ohms: 3.002 MATH M[1] = MEM 3.003 STD SRI-SH 20 3.004 DISP Set the DLP 50 front panel controls as follows: 3.004 DISP DC switch ........................................... ON 3.005 DISP Adjust DLP 50 COARSE and FINE LOAD ADJUST controls 3.005 DISP for a UUT reading of exactly 13 amps. 3.006 IEEE [@1281]INPUT CH_A 3.006 IEEE [@1281] DCV AUTO 3.007 IEEE [@1281] [D2000]RDG?[I] 3.008 MATH MEM = MEM / M[1] 3.009 ACC 13.00A 0.1% 3.010 MEME 3.011 MEMC A 3.00% 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 5.003 IEEE [@1281] DCV AUTO 5.004 IEEE [@1281] [D2000]RDG?[I] 5.005 MEME 5.006 IEEE [D2000] 5.007 DISP Set the DLP 50 front panel controls as follows: 5.007 DISP DC switch .......................................... OFF 5.008 IEEE [@1281] DCV AUTO 5.009 IEEE [@1281] [D2000]RDG?[I] 5.010 MATH MEM = (MEM - MEM1) * 1000 5.011 MATH MEM1 = 0.00 5.012 MEME 5.013 MEMC mV 12.00U 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 103 VAC. 7.003 IEEE [@1281] DCV AUTO 7.004 IEEE [@1281] [D2000]RDG?[I] 7.005 MEME 7.006 DISP Set the variac to 127 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 12.00U 103ÿtoÿ127VAC 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 MEME 9.005 MEMC mV 90.00U 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