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Active Loads
LPAL V
7.6.22
The following procedure calibrates the voltage for voltage gain 8 and
current range high. Make sure that the shunt and the DC voltmeter are
connected between the positive and negative lead of the active load. Also
connect the sense positive-to-positive lead and sense negative-to-negative
lead.
This procedure requires maximum voltage 55 V and maximum current
6.0Amps.
1. Turn the active load on
2. Set the conductance count to 0x19999
3. Set the input DC voltage to 13 Volts. After the input DC voltage
4. Set the input DC voltage to 54 Volts. After the input DC voltage
5. Send the calibration command to calculate the gain and offset:
6. Send the system error query command to make sure calibration was
7-62
C
OLTAGE
ALIBRATION
INP<n>:STATE 1
CAL<n>:INP:COND:COUNTS 0x19999
stabilizes enter the first exact voltage using following command
CAL<n>:INP:VOLT 1 <value-1>
stabilizes enter the second exact voltage using following command
CAL<n>:INP:VOLT 2 <value-2>
CAL<n>:MEAS:OFFSET:CALC
successful.
SYST:ERR?
– PART I
V
OF
ReFlex Power™
M380056-01 Rev L
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