Sirius 800 Series User Manual
Control I/O and Alarm Pin-outs
Control and Alarm Rear Panel Connections 16.4
Iss 5 Rev 7
Page 299
© 2017 SAM
16.4.3 Alarm Relay Output 25 Way D-Type Socket
Under normal operating conditions where everything is working correctly, the relay contacts
are in their normally-closed (NC) position.
Pins Function
Pins Function
1
Alarm 1 Normally Open
14
Alarm1 Common
2
Alarm 1 Normally Closed
15
Alarm 2 Normally Open
3
Alarm 2 Common
16
Alarm 2 Normally Closed
4
Alarm 3 Normally Open
17
Alarm 3 Common
5
Alarm 3 Normally Closed
18
Alarm 4 Normally Open
6
Alarm 4 Common
19
Alarm 4 Normally Closed
7
Alarm 5 Normally Open
20
Alarm 5 Common
8
Alarm 5 Normally Closed
21
Alarm 6 Normally Open
9
Alarm 6 Common
22
Alarm 6 Normally Closed
10
Alarm 7 Normally Open
23
Alarm 7 Common
11
Alarm 7 Normally Closed
24
Alarm 8 Normally Open
12
Alarm 8 Common
25
Alarm 8 Normally Closed
13
Not Connected
Table 90
Alarm Relay Output 25 Way D-Type Socket
Alarm Number
Alarm Description
1
Fans - Front
2
Fans - Rear
3
Controller Failure (ok if both controllers are operational)
4
Spare (later this could be implemented as a General Purpose Fault)
5
Power Supply 1 (& PSU 5 if present)
6
Power Supply 2 (& PSU 6 if present)
7
Power Supply 3 (& PSU 7 if present)
8
Power Supply 4 (& PSU 8 if present)
Table 91
Alarm Description
NO
NC
COM COM
NO
NC
1
13
14
25