Powerware 9170 User Manual page 76

Communication
Pin Function
5 Normally-Open
Low-Battery-Alarm
Contact*
6 Reserved
7
Immediate Shutdown
Mode
Remote Shutdown
Mode
8 Normally-Closed
On-Battery Contact
9 Normally-Open
Bypass-Switch-Status
Contact*
*Contacts consist of open-collector circuits capable of switching up to +40 Vdc, 50 mA resistive load.
72
Description
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.
Reserved
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.
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
1 2
2 1
3 3
A normally closed contact that opens (releases from Common) 15 seconds after the UPS
switches to battery power.
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.
n X
4 5
5 10
6 20
Powerware 9170 User's Guide
®
:
www.powerware.com