GE Industrial Solutions Entellisys System User Manual - Manual (Page 128)

Digital I/O 128
10
10.1.1.1 Non-redundant discrete I/O
Discrete I/Os can be wired in two configurations: non-redundant and redundant.
Non-redundant configurations allow one CPU to manage up to 128 discrete I/O points. In this
configuration, a second CPU can have no installed discrete boards.
Figure 10-1 Discrete I/O in non-redundant configuration
V+ V-
PMC464
Input
Relay
Block Block
Relay
Input
Block
Relay
Output
Power Supply
Terminal block
Common from associated
PMC464 card
Common from
associated PMC464
card
Signal Lines
To devices
associated PMC464
Common from
card
PMC464