Excitation Output; Control Power - Allen-Bradley 1407-CGCM-DLR User Manual

Excitation Output

The excitation outputs are on TB2 and are labeled EXC(+) and EXC(-).
Twisted, shielded cabling is required for the excitation outputs.
Figure 7 - Excitation Output Connections, Non-redundant CGCM
Exciter voltage
connections
Shld2
Shld2
EXC (-)
EXC (+)
When the redundancy function is used, three or four external flyback diodes in
series must be placed across the generator field winding.
See the redundancy wiring diagrams on pages 33...34.

Control Power

The 24V DC control power inputs are on TB4 and are labeled BAT(+) and
BAT(-).
Figure 8 - Control Power and Chassis Ground Connections
24 VDCControl
Power Source
Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
TB2
TB4
Ground bus
Ground st ud
(ty pical)
Installation Chapter 2
Exciter field
BA T (+)
BA T(-)
FLT
RD RLY
CH GND
CGCM
21