Address Space - Siemens SIMATIC ET 200SP Manual

Parameters/address space

4.4 Address space

4.4 Address space
Configuration options
The following configurations are possible:
● Configuration 1: Without value status
● Configuration 2: With value status
Evaluating the value status
If you enable the value status for the analog module, an additional byte is occupied in the
input address space. Bits 0 to 3 in this byte are assigned to a channel. They provide
information about the validity of the analog value.
Bit = 1: There are no faults/errors on the module.
Bit = 0: Channel is disabled or there is a fault/error on the module.
If a fault/error occurs on a channel with this module, the value status for all channels is 0.
Address space
The following figure shows the assignment of the address space for the AQ 4×U/I ST with
value status (Quality Information (QI)). The addresses for the value status are only available
if the value status is enabled.
Image 4-1
20
Address space of the AQ 4×U/I ST with value status
Analog Output Module AQ 4xU/I ST (6ES7135-6HD00-0BA1)
Manual, 03/2016, A5E03573365-AD