Fluke 5520A Service Manual page 75

1.023 MATH
# Apply nominal -DC Current to A40
1.024 IEEE
1.025 IEEE
1.026 ACMS
1.027 5790
1.028 MATH
1.029 IEEE
1.030 IEEE
1.031 ACMS
1.032 5790
1.033 MATH
# Apply nominal -DC Current to A40
1.034 IEEE
1.035 IEEE
1.036 ACMS
1.037 5790
1.038 MATH
1.039 IEEE
1.040 IEEE
1.041 ACMS
1.042 5790
1.043 MATH
# Apply nominal -DC Current to A40
1.044 IEEE
1.045 IEEE
1.046 ACMS
1.047 5790
1.048 MATH
1.049 IEEE
1.050 IEEE
1.051 HEAD
# cal_next is required for initial start.
# after sending AIG330U if you send cal_next 5520A tries to
# start the cal at that time.
# 3.2999mA @ 100Hz
1.052 IEEE
1.053 IEEE
1.054 ACMS
1.055 5790
# Calculate difference between the average value of both polarities of DC
# Current and the applied AC Current.
1.056 MATH
# Determine measurement frequency to retrieve correct AC-DC difference value.
1.057 IEEE
1.058 MATH
Figure 3-9. Sample MET/CAL Program (cont)
M[17] = MEM
OUT -3.2999mA, 0HZ; OPER; *OPC?[I][GTL]
[D5000][GTL]
A
M[17] = (ABS(MEM) + M[17]) / 2
OUT .33mA, 0HZ; OPER; *OPC?[I][GTL]
[D15000][GTL]
A
M[18] = MEM
OUT -.33mA, 0HZ; OPER; *OPC?[I][GTL]
[D5000][GTL]
A
M[18] = (ABS(MEM) + M[18]) / 2
OUT 3mA, 0HZ; OPER; *OPC?[I][GTL]
[D15000][GTL]
A
M[19] = MEM
OUT -3mA, 0HZ; OPER; *OPC?[I][GTL]
[D5000][GTL]
A
M[19] = (ABS(MEM) + M[19]) / 2
CAL_START MAIN,AI; *OPC?[I][GTL]
CAL_NEXT; *OPC?[I][GTL]
Calibrating 3.2999mA @ 100Hz
*CLS;OPER; *OPC?[I][GTL]
[D5000][GTL]
A
M[21] = 0.0032999 - (.0032999 * (1 - (MEM / M[17])))
OUT?[I$][GTL]
M[2] = FLD(MEM2,5,",")
Calibration and Verification
Calibration
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