60 | ni.com | NI VirtualBench Calibration Procedure
15. Disconnect all connections and connect Channel -25 V to Volts HI, and GND to Volts LO 
as shown in Figure 31. Connect GND and Common Floating GND with a jumper.
Figure 31.  Cable Connections For -25 V Voltage Programming Accuracy Verification
16. Repeat steps 4 through 11 for the ps/-25V channel.
17. Disconnect all connections.
18. Call 
PS Close.
1 VirtualBench DC Power Supply 2DMM 3 Cabling Wire
1
3
3
2
HI
LO
300V
MAX
AMPS
500V MAX
HI
LO
1kV
MAX
3A, 250V
MAX
INPUT 
MAX
1kV
HI
LO
300V
MAX
AMPS
500V MAX
HI
LO
1kV
MAX
3A, 250V
MAX
INPUT 
MAX
1kV