Manual 37259C
SPM-D11 - Synchronizing Unit
Page 16/79
© Woodward
Relay Outputs
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
max. 250 V AC
A
B
external device
Relay output
Figure 3-11: Relay outputs – control outputs I (CB control)
Root Switched
Description
A
max
A B
14
15
Synchronizing pulse, Command: close CB
2.5 mm²
39
40
Command: open CB for shutdown
2.5 mm²
NOTE
The relay "open CB for shutdown“ is used to automatically open the CB after the power has been re-
duced (see also Control Outputs on page 28). This relay is not controlled by monitoring functions.
max. 250 V AC
A
B
external device
Relay output
Figure 3-12: Relay outputs – control outputs II (acknowledgements)
Monitoring relay
N.O.
functionality
Root Switched
Description
A
max
A B
Note:
The relays are de-energized and open in case of an fault.
37
38
Reverse/reduced load, overload
2.5 mm²
41
42
Generator over/under voltage
2.5 mm²
43 44
Generator
over/under frequency
2.5 mm²
Signal relay
N.O.
functionality
Root Switched
Description
A
max
A B
Note:
The relay is energized and closed when the function is
fulfilled.
18
19
Ready for operation
2.5 mm²
N.O.
functionality
Root Switched
Description
A
max
A B
Note:
The relay will be de-energized and opens when the power
limit is exceeded.
16
17
Power limit
2.5 mm²
