Maintenance
12.2 Changing the type of an I/O module
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
237
12.2 Changing the type of an I/O module
Introduction
The coding element is a two-part element. When shipped from the factory, both parts are in
the I/O module. When an I/O module is installed for the first time, a part of the coding
element clicks into the BaseUnit. This mechanically prevents the insertion of a different
module type.
There are two versions of the ET 200SP distributed I/O system:
● Mechanical coding element: Ensures the mechanical coding described above.
● Electronic coding element: In addition to the above-mentioned mechanical coding, this
version also has an electronic, rewritable memory for module-specific configuration data
(such as the F-destination address for fail-safe modules, parameter data for IO link
master).
Requirement
Refer to section Application planning (Page 33).
Do not manipulate the coding element
Making changes to the coding element may cause dangerous conditions in your plant
and/or result in damage to the outputs of the ET 200SP distributed I/O system.
To avoid physical damage, do not manipulate the coding.
Changing the type of an I/O module
You have already removed the I/O module.
To make a type change for an I/O module, follow these steps:
1. Push the coding element out of the BaseUnit using a screwdriver.
2. Put the coding element back onto the removed I/O module.
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