GE EX2100 - Page 24

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Chapter 2 Functional Description GEH-6632 EX2100 User’s Guide
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).
Dual Control with
Single PCM
PCM
Dual Control with
Warm Backup PCMs
PCM PCM
Dual Control with Parallel PCMs
PCM
1
PCM
2
PCM
3
PCM
4
PCM
5
PCM
6
C Control
Selection
Logic &
Protection
C Control
Selection
Logic &
Protection
C Control
Selection
Logic &
Protection
M1 Control,
I/O and
Operator
Keypad
M1 Control,
I/O and
Operator
Keypad
M1 Control,
I/O and
Operator
Keypad
M2 Control,
I/O and
Operator
Keypad
M2 Control,
I/O and
Operator
Keypad
M2 Control,
I/O and
Operator
Keypad
Figure 2-2. Dual Control System Configurations