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Installing the Module
Now that you've determined the power requirements, keying, and wiring
for your module, you can use the following procedure to install it.
Refer to the Programmable Controller Grounding and Wiring Guidelines
(pub. no. 1770-4.1) for proper grounding and wiring methods to install
your module.
WARNING: Remove power from the 1771 I/O chassis
backplane and wiring arm before installing or removing the
module.
Failure to remove power from the backplane or wiring arm could cause
module damage, degradation of performance, or injury.
Failure to remove power from the backplane could cause injury and/or
equipment damage due to possible unexpected operation.
WARNING: Install the module in the I/O chassis so that both
halves of the module are in the same I/O group. Failure to
observe this rule will result in faulty module operation and/or
damage to the module circuitry with possible injury to
personnel.
CAUTION: Do not force the module into a backplane
connector. If you can't seat it with firm pressure, check the
alignment and keying. You can damage the connector or the
module if you force it into the connector.
1.
Remove power from the I/O chassis before inserting (or removing)
the module.
2.
Open the module locking latch on the I/O chassis and insert the
module into the slot keyed for it.
3.
Firmly press to seat the module into its backplane connector.
4.
Secure the module with the module locking latch.
Chapter 3
Configuring and Installing Your Module
3 11
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