Publication 1785-UM012D-EN-P - July 2005
E-6 Switch Setting Reference
I/O Chassis Configuration Plug
ATTENTION
If you set this switch to the ON position, when a
communication fault is detected, outputs connected
to this chassis remain in their last state to allow machine
motion to continue. We recommend that you set switch 1
to the OFF position to de-energize outputs wired to this
chassis when a fault is detected.
Also, if outputs are controlled by inputs in a different rack
and a remote I/O rack fault occurs (in the inputs rack), the
inputs are left in their last non-faulted state. The outputs
may not be properly controlled and potential personnel
and machine damage may result. If you want your inputs to
be anything other than their last non-faulted state, then
you need to program a fault routine.
Set this switch to ON if you plan to use I/O rack
auto-configuration. The 1771-ASB series A adapter does
not support 1/2-slot addressing.
USING
POWER SUPPLY
MODULE IN
THE CHASSIS?
1. Locate the chassis configuration plug (between
the first two left-most slots of the chassis).
2. Set the I/O chassis configuration plug.
The default setting is N (not using a power
supply module in the chassis).
NY
NY
NY
Set Y when you install
a power supply module
in the chassis.
Set N when you
use an external
power supply.
Important: You cannot power a single I/O chassis
with both a power supply module and an external
power supply.
17075
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