APC MW II User Manual
15
Symmetra MW II 1200 kW 3 x 400/230 V Installation - 990-1979E-001
Relay board 2 connections
Input 7
Reserved for future use
Input 8
Reserved for future use
Relay
Function
Mode
Special
Comments
Output 1
Info level alarm
Fail safe
Output 2
Warning level alarm
Fail safe
Output 3
Severe level alarm
Fail safe
Output 4
Input frequency too high
Fail safe
Output 5
Input frequency too low
Fail safe
Output 6
Output frequency too
high
high
Fail safe
Output 7
Output frequency too
low
low
Fail safe
Output 8
Bypass source fault
Fail safe
Output 9
Close Q7 pulse
Active on
No delay
Output 10
Close Q8 pulse
Active on
No delay
Output 11
Power Tie mode active
Active on
No delay
Output 12
Close Q2
Fail safe
No delay
Output 13
Reserved for future use
Output 14
Reserved for future use
Output 15
Reserved for future use
Output 16
Reserved for future use
Input 1
Reserved for future use
Input 2
Reserved for future use
Input 3
Reserved for future use
Input 4
Reserved for future use
Input 5
Reserved for future use
Input 6
Reserved for future use
Input 7
Reserved for future use
Input 8
Reserved for future use
Relay
Function
Mode
Special
Comments