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About The XPR Power Supply
Rear Panel Connectors and Switch
22 Operating Manual for XPR Series Power Supply
Rear Panel J1
Connector
The J1 Programming and Monitoring connector is a 15-terminal wire clamp
connector located on the power supply’s rear panel. See Figure 1.5. The J1 connector
provides access to the following functions:
• Remote programming of output voltage AND/OR current limit
• Remote monitoring of calibrated readback signals for output voltage and output
current
• Remote control of the shutdown function using TTL-compatible signals
(Interlock module)
• 15 V user supply to allow for contract closure control of the remote on/off line,
current limited
Figure 1.5 Programming and Monitoring J1 Connector
See Table 1.2, on page 23 for the list of the J1 connector terminal numbers, their
references, and corresponding functions.
1 Output Voltage Programming Input
2 Output Current Limit Programming Input
3 Program Return
4 Output Voltage Monitor
5 Output Current Monitor
6 Monitor Return
7 N/C
8 Ground Return
9 + 15 V User Signal
10 N/C
11 Interlock Return (–)
12 Interlock Signal (+)
13 N/C
14 Shutdown Return (–)
15 Shutdown (+)