GE Industrial Solutions Galaxy Vector Controller GCM3 - Manual (Page 29)

Galaxy Vector Controller GCM2, GCM3
Issue 4 January 2008 Product Description 2 - 15
BTJ2/BTJ3 Fuses
and Connectors All fuses are 5A.
• F1 – GCM Controller power
• F2 – Regulation battery fuse (Vsense)
• F3 – LVD power from Charge Bus (Rectifier)
• F4 – LVD power from Battery Bus
• F5 – Spare
Power connections: Power and sense connections from the
system to the BTJ2/BTJ3 are shown in Table 2-M.
Table 2-M: BTJ2/BTJ3 Power Connections (J21)
Pin
Number
Signal Name Description
1 Shunt 1 (Chg)
Connection to battery shunt terminal nearest charge
bus (rectifier bus)
2 NC
3 NC
4 Shunt 2 (Chg) Reserved for future use
5 NC
6 NC
7
Controller
Power
Controller power input connection to the charge bus
(rectifier bus)
8 Shunt 1 (Disch)
Connection to the battery shunt terminal nearest the
batteries
9 DG Controller power input ground
10 Vsense (Grd) Connection to DG bus, remote sense
11 Shunt 2 (Disch) Reserved for future use
12
LVD Battery
Bus
Battery bus power for LVD circuitry on the BTJ2/
BTJ3
13
LVD Charge
Bus
Charge bus power for LVD circuitry on the BTJ2/
BTJ3
14 Vsense (Chg) Connection to the charge bus, remote voltage sense
J2: RJ45 connector for rectifier communication. Pins 1 and 2 are
the communication pair. Pin 3 is isolated ground. Pin 4 is chassis
ground. All rectifiers are connected to this connector in a daisy
chain fashion.