FOR-A USF-212PS, Operation Manual, Page: 16 / 40

16
4-10. ALARM Connector
9-pin D-sub female
ALARM Connector Assignment Table (9-pin D-sub female)
No. Signal Signal Details
1 ALARM 1
ALARM 1 to 6 functions assigned through Web GUI setting page.
Refer to Sec. 10-2. "Alarm
Tab”
2 ALARM 2
3 ALARM 3
4 ALARM 4
5 ALARM 5
6 ALARM 6
7 GND GND
8 GND GND
9 GND
GND
* Open collector alarm output (ALARM 1 to 6)
Maximum current limit: 24VDC / 50mA
4-10-1. Example of Alarm Connection

Example of ALARM1/ALARM2 (Open-Collector Output) Circuit
Power
Supply
50mA Max
Set the resistance so that the output
pin current stays within 50 mA.
R
External power supply
Max. +24VDC.
GND
ALARM 1
ALARM 2
USF-212S Side
Matching connector
9-pin D-sub male
*Using inch screws