Maintenance
9.2 Replacement of I/O modules and front connectors
S7-1500 Automation System
116 System Manual, 01/2013, A5E03461182-01
9.2 Replacement of I/O modules and front connectors
9.2.1 Coding element on the I/O module and on the front connector
Introduction
All front connectors for the I/O modules of the S7-1500 automation system are identical. The
coding element prevents a front connector from being inserted on a module with a different
electrical pin assignment.
In the delivery state, the coding element is located in the I/O module.
Figure 9-1 Coding element in the I/O module (delivery condition)
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