GE 845 Instruction Manual page 63

CHAPTER 2: INSTALLATION
845 TRANSFORMER PROTECTION SYSTEM – INSTRUCTION MANUAL
Table 2-2: Power Supply
L - LV Power Supply
Terminal
1
2
3
Table 2-3: Comms
SE - Comms - Basic Ethernet
Terminal Description
1 IRIG-B (+)
2 IRIG-B (-)
3 RS485_1 (+)
4 RS485_1 (-)
5 RS485_1 COM
6 RESERVED
7 RESERVED
8 RESERVED
9 RESERVED
10 RESERVED
RJ45 ETHERNET
Table 2-4: HV IO
A - HV I/O - 2 FA (Vmon), 3FC, 7 Contact Inputs
Terminal Description
1 FA_1 COM
2 FA_1 NO
3 FA_1 OPT/V
4 FA_2 COM
5 FA_2 NO
6 FA_2 OPT/V
7 FC_1 NC
8 FC_1 COM
9 FC_1 NO
10 FC_2 NC
11 FC_2 COM
12 FC_2 NO
13 CONTACT IN_1
14 CONTACT IN_2
15 CONTACT IN_3
16 CONTACT IN_4
17 CONTACT IN_5
18 CONTACT IN_6
19 CONTACT IN_7
20 CONTACT IN COM
21 DC +24
ELECTRICAL INSTALLATION
Description (DC Voltage input polarity)
+ve (positive)
-ve (negative)
Ground
1E/1P/2E/2A - Comms - Advanced Ethernet
Terminal Description
1 IRIG-B (+)
2 IRIG-B (-)
3 RS485_1 (+)
4 RS485_1 (-)
5 RS485_1 COM
6 RESERVED
7 RESERVED
8 RESERVED
9 RESERVED
10 RESERVED
RJ45 NOT USED
TRIP
TRIP
TRIP
CLOSE/AUX
CLOSE/AUX
CLOSE/AUX
AUX
AUX
AUX
AUX
AUX
AUX
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