Maintenance
14.3 Replacement of I/O modules and front connectors
Automation system
278
System Manual, 12/2017, A5E03461182-AE
WARNING
Personal injury or material damage can occur in zone 2 hazardous areas
Personal injury or material damage can occur in hazardous are zone 2 if you remove or fit
the display while the S7-1500 automation system is running.
Before you remove or fit the display, always switch off the power supply to the S7-1500
automation system in hazardous area zone 2.
14.3
Replacement of I/O modules and front connectors
14.3.1
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 14-3 Coding element in the I/O module (delivery condition)
Содержание Simatic S7-1500/ET 200MP
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