Ametek Elgar ReFlex Power Operation Manual page 308

ReFlex Power™
1. Connect the shunt between the DC power supply and the active load.
2. Issue clear and reset commands:
3. Set the DC power supply to 4.5 Volts
4. This begins the CalPots calibration sequence. The Load will be set to
5. Program to draw maximum current:
6. Adjust the current limit on the DC Power supply to just under the limit 27.4
7. This will use the current value entered to adjust the Gain Pot. The
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. Optional Commands:
11. Reset the unit:
M380056-01 Rev L
Connect the DC current meter across the shunt.
*CLS<n>
*RST<n>
STATE 1; relays closed and set to 0 current, the 0 current offset value will
be calculated.
CAL<n>:CALPOTS:GAIN:START
CAL<n>:INP:CURR:COUNTS 0xFFFF
Amps. Use the Current Shunt and Voltmeter to adjust and measure the
current. When the current reading is stable, enter the current using
following command:
CAL<n>:CALPOTS:GAIN:CURR <value-1>
adjustment will be calculated, ending the procedure and the setting the
load to STATE 0:
CAL<n>:CALPOTS:GAIN:CALC
successful:
SYST:ERR?
the calibration result with the following command:
CAL<n>:UNLOCK "6867"
CAL<n>:STORE
CAL<n>:LOCK
To query the offset pot set value: CAL<n>:CALPOTS:OFFSET?
To query the gain pot set value: CAL<n>:CALPOTS:GAIN?
*RST<n>
Active Loads
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