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4.3
Address space
The module can be configured differently in STEP 7; see following table. Depending on the
configuration, additional/different addresses are assigned in the process image of the inputs.
Configuration options of DI 8x24VDC ST
You can configure the module with STEP 7 (TIA Portal) or with a GSD file. If you configure
the module using a GSD file, the configurations are available under various short
designations/module names; see the table below. The following configurations are possible:
Table 4- 2
Configuration options with GSD file
Configuration
1 x 8-channel without value status DI 8x24VDC ST V0.0
1 x 8-channel with value status
Evaluating the value status
An additional byte is allocated in the input address space if you enable the value status for
the digital module. Bits 0 to 7 in this byte are assigned to a channel. They provide
information about the validity of the digital value.
Bit = 1: No fault is present on the channel.
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 DI 8×24VDC ST with
value status (Quality Information (QI)). The addresses for the value status are only available
if the value status is enabled.
Figure 4-1
Digital input module DI 8x24VDC ST (6ES7131-6BF01-0BA0)
Manual, 02/2019, A5E03574157-AF
Short designation/module
name in the GSD file
DI 8x24VDC ST V0.0, QI
Address space of the DI 8×24VDC ST with value status
Configuration software, e.g. with STEP 7 (TIA Portal)
Integrated in
GSD file
hardware catalog
PROFINET IO
STEP 7
V14, SP1 or high-
er with HSP 0222
V14, SP1 or high-
er with HSP 0222
Parameters/address space
4.3 Address space
GSD file
PROFIBUS DP
X
X
X
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