Powerware 9170+ - Manual (Page 76)

Communication
72 Powerware ® 9170 User's Guide S LTM-1344 B Uncontrolled Copy
Description Function Pin
5 Normally-Open
Low-Battery-Alarm
Contact*
A normally open contact that closes (pulls to Common) to signal a Near Low Battery or
Low Runtime alarm. Values that affect this contact closure may be user-programmed.
6 Reserved Reserved
7 Immediate Shutdown
Mode
Set by External Shutdown parameter, n = 0:
Grounding this pin for 5 seconds causes the UPS to switch immediately to the Off
mode. When AC input power returns, the UPS will not restart without user intervention.
Remote Shutdown
Mode
Set by External Shutdown parameter, n = 1 or greater:
In battery operation, grounding this pin for 5 seconds causes the UPS to shut down
after a delay of X minutes, regardless of the return of AC input power. This time is
defined by the External Shutdown mode parameter n, where n and X are related as
follows:
n X n X
1 2 4 5
2 1 5 10
3 3 6 20
8 Normally-Closed
On-Battery Contact
A normally closed contact that opens (releases from Common) 15 seconds after the UPS
switches to battery power.
9 Normally-Open
Bypass-Switch-Status
Contact*
A normally open contact that closes (pulls to Common) whenever the UPS is in internal
bypass mode or is being externally bypassed and is being signalled of the external
bypass.
*Contacts consist of open-collector circuits capable of switching up to +40 Vdc, 50 mA resistive load.