Siemens SIMATIC ET 200AL, Системное руководство

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Parameters/address space
4.3 Address space
DI 8x24VDC 4xM12 (6ES7141-5AF00-0BA0)
Equipment Manual, 08/2021, A5E36680963-AB
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4.3 Address space
The figure below shows the assignment of the address space for the digital input module
DI 8x24VDC 4xM12 with value status (Quality Information, QI).
The address space for the value status is allocated by the module, if the value status is
configured using the PROFINET interface module.
Figure 4-1 Address space
Configuration options of the DI 8x24VDC 4xM12 digital input module
You have the following configuration options:
•
Configuration 1: without value status
• Configuration 2: with value status
Evaluating the value status
An additional byte is occupied in the input address space if you enable the value status for
the digital input module. Bits 0 to 7 in this byte are assigned to a channel and return
information about the validity of the digital input value.
Bit = 1: No error on channel.
Bit = 0: Error on channel.