GE EX2100 User Manual page 24

Dual Control with
M1 Control,
I/O and
Operator
Keypad
M2 Control,
I/O and
Operator
Keypad
C Control
Selection
Logic &
Protection
M1 Control,
I/O and
Operator
Keypad
M2 Control,
I/O and
Operator
Keypad
C Control
Selection
Logic &
Protection
2-4 Chapter 2 Functional Description
Exciters with dual (redundant) control are shown in Figure 2-2. Multiple PCMs can
be supplied in simplex, warm backup, or redundant n+1 or n+2 modes (with n+1 or
n+2 equal to 6).
Single PCM
PCM
Dual Control with Parallel PCMs
PCM PCM
1 2
Figure 2-2. Dual Control System Configurations
Dual Control with
Warm Backup PCMs
M1 Control,
I/O and
PCM
Operator
Keypad
M2 Control,
I/O and
Operator
Keypad
C Control
Selection
Logic &
Protection
PCM PCM PCM
3 4
PCM
PCM
5 6
GEH-6632 EX2100 User's Guide