Hpal Low Range Current Calibration - Ametek Elgar ReFlex Power Operation Manual

ReFlex Power™
HPAL L
7.6.7
This procedure calibrates the input current for the current range low. Make sure
that the shunt and the DC current meter are connected between the active load
and DC power supply.
This procedure requires maximum voltage 5.0V and maximum current 1.0 Amp.
1. Set the DC input voltage to 5 Volts:
2. Turn on the active load:
3. Set the DAC count to 20% of its full range:
4. Wait for the DC current to stabilize. After the current reading is stabilized,
5. Set the DAC count to 80% of its full range:
6. Wait for the DC current to stabilize. After the current reading is stabilized,
7. Send the calibration command to calculate the gain and offset of the low
8. Send the system error query command to make sure calibration was
9. If there is no error returned at the system error query command then save
10. Reset the unit:
M380056-01 Rev L
R C
OW ANGE URRENT
INP<n>:STATE 1
CAL<n>:INP:CURR:COUNTS 16000
enter the current using following command:
CAL<n>:INP:CURR1 <value-1>
CAL<n>:INP:CURR:COUNTS 53000
enter the current using following command:
CAL<n>:INP:CURR2 <value-2>
range current calibration:
CAL<n>:INP:CURR:CALC
successful:
SYST:ERR?
the calibration result:
CAL<n>:UNLOCK "6867"
CAL<n>:STORE
CAL<n>:LOCK
*RST<n>
C
ALIBRATION
Active Loads
7-37