
Monitored Digital Input Modules
(T3411)
16
Industrial Control Services
Keying
The I/O chassis can be physically keyed to prevent accidental
damage caused by inserting a module into a slot wired for a
different module type. Figure
10
illustrates how the slot keys
are installed on the I/O chassis slot field wiring connectors.
The slot key positions for the monitored digital input module
are listed in Table
2
.
Figure
10
. Installing Slot Keys.
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