GE Industrial Solutions Galaxy Vector Controller GCM3 - Manual (Page 32)

Galaxy Vector Controller GCM2, GCM3
2 - 18 Product Description Issue 4 January 2008
board is from the load circuit breakers. Pin 3 provides DG
connection to the alarm board. This DG connection provides DG
for alarm board LED operation. Pin 2 is a current limited
(50-ma) battery bus supply for possible future use.
J9-J12: Thermal inputs.
Table 2-Q: BTJ2/BTJ3 Thermal Input Connections
(J9-J12)
Pin
Number
Description
1 RTH ALM
2 NC
3 NC
4 RTH +
5 RTH RTN
6 RTH EN
J13: RS-232 connection.
Table 2-R: BTJ2/BTJ3 RS-232 Connections (J13)
Pin
Number
Description
1 TXD
2 RTS
3 DTR
4 RXD
5 CTS
6 DSR
7 DCD
8 NC
9 MODEM GRN
10 MODEM YEL
11 DGND 100 ohm terminated
12 MODEM PRESENT
13 +5 Volts
14 DGND