2 Verification and Adjustments
58 Keysight E36200 Series Service Guide
Constant Voltage (CV) verification
Voltage programming and readback accuracy
These tests verify that the voltage programming and the LAN or USB readback
functions are within specifications. Note that the readback values over the remote
interface should be identical to those displayed on the front panel, but with
maximum resolution.
1 Turn off the power supply using the AC line switch.
2 Connect a DMM between the (+) and (–) terminals of the output.
3 If you are using a PC to control the power supply, connect a LAN, GPIB, or USB
cable from the power supply to the PC.
4 Turn on the power supply using the AC line switch.
Voltage programming accuracy
The output status should be CV and the output current should be close to zero.
7 Record the voltage measured by the DMM in the “Test Record Forms” on
page 74 and verify whether it is within the limits calculated.
Voltage readback accuracy
Step Front panel SCPI
5 Set the instrument settings as
described in Table 2-1.
VOLT 30, (@<channel>; CURR
20, (@<channel>)
This is an example for the E36231A,
20 V, 20 A output.
6 Enable the output by pressing the
On key for the selected output.
OUTP ON, (@<channel>)
Step Front panel SCPI
8 MEAS:VOLT?, (@<channel>)
This is an example for the E36231A,
30 V, 20 A output.
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