Maintenance
9.2 Replacement of I/O modules and front connectors
S7-1500 Automation System
118 System Manual, 01/2013, A5E03461182-01
9.2.2 Replacing an I/O module
Introduction
When the front connector is first inserted into the I/O module, a part of the coding element
clips onto the front connector. When you replace an I/O module with the same type of
module, the correct coding element is already present in the front connector.
Replacing an I/O module
You have already uninstalled the I/O module.
1. With a new I/O module, use a screwdriver to break out the half of the coding element that
is designated for the front connector.
Figure 9-3 Breaking the coding element out of the I/O module
2. Insert the old front connector into the new I/O module (same module type) until your hear
it click into place.
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