Replacement Of I/O Modules And Front Connectors; Coding Element On The I/O Module And On The Front Connector - Siemens SIMATIC S7-1500 System Manual

Maintenance

13.2 Replacement of I/O modules and front connectors

13.2 Replacement of I/O modules and front connectors
13.2.1

Coding element on the I/O module and on the front connector

Function
All front connectors for the I/O modules of the S7-1500 automation system/ET 200MP
distributed I/O system are identical. The coding element prevents a front connector from
being inserted on a module with a different electrical pin assignment.
Delivery state of the I/O module
In the delivery state, the coding element is located in the I/O module.
Figure 13-1
204
Coding element in the I/O module (delivery condition)
Automation system
System Manual, 09/2016, A5E03461182-AD