OPM_STS_400_25A_100_1GB_V011
36
GE DE STS: installation and operating manual 1.1 (GB)
Digital Energy
™
Static Transfer Switch
g
4.6 Terminals
4.6.1 Relay communication terminal block
Inputs to and outputs from device for controlling or monitoring functions are accessed through the RELAY
COMMUNICATION TERMINAL BLOCK.
Terminal
designation
Meaning
1 1
NC
2 2
NO
3 3
COMM
Output
SECONDARY SOURCE OK.
Secondary source operates if there is electrical
connection between “common” and “NC” terminal.
4 4
NC
5 5
NO
6 6
COMM
Output
PRIMARY SOURCE OK.
Primary source operates if there is electrical connection
between “common” and “NC” terminal.
7 7
NC
8 8
NO
9 9
COMM
Output
DISTURBANCE ALARM *1)
Alarm is set if there is electrical connection between
“common” and “NO” terminal.
10 10
NC
11 11
NO
12 12
COMM
Output
FAILURE ALARM *2)
Alarm is set if there is electrical connection between
“common” and “NO” terminal.
13 13
NC
14
X10
14 NO
15 1
COMM
Output
SECONDARY SOURCE ON
Secondary source was selected if there is electrical
connection between “common” and “NC” terminal.
16 2
NC
17 3
NO
18 4
COMM
Output
PRIMARY SOURCE ON
Primary source was selected if there is electrical
connection between “common” and “NC” terminal.
19 5
NC
20 6
NO
21 7
COMM
Output
RETRANSFER OFF
Retransfer function was blocked if there is electrical
connection between “common” and “NO” terminal.
22 8
NC
23 9
NO
24 10
COMM
X11
Output
MANUAL ON *3)
Manual mode of operation was chosen if there is
electrical connection between “common” and “NO”
terminal.
25 11
Not
used
26 12
Not
used
27 13
28 14
Input
X11
REMOTE CONTROL
If closed secondary source is selected. Otherwise
primary source is selected. This selection is valid if
PREFERRED SOURCE switch is set in “PRIMARY or
remote control” position.
