Verification and Adjustments 2
Keysight E36200 Series Service Guide 69
Constant Current (CC) verification
Current programming and readback accuracy
These tests verify that the current programming and the LAN, GPIB, or USB
readback measurement 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 the current shunt directly across the output terminals. Connect the
DMM directly across the current shunt.
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.
Current programming accuracy
7 The output status should be CC and the output voltage should be close to
zero.
8 Divide the voltage drop (DMM reading) across the current shunt by the shunt
resistance to convert to amps.
9 Record the current measured by the DMM and verify whether it is within the
limits calculated.
Step Front panel SCPI
5 Set the instrument settings as
described in Table 2-8.
VOLT MAX, (@<channel>); CURR
10, (@<channel>)
This is an example for the E36234A,
MAX V, 5 A output.
6 Enable the output by pressing the
On key for the selected output.
OUTP ON, (@<channel>)
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