Programming; Programming Via Simatic Controller - Siemens SIMATIC RF185C Operating Instructions Manual
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Programming
8.1
Programming via SIMATIC controller
This section is intended only for S7 users.
You can program and configure the SIMATIC RF185C, RF186C, RF188C as well as the RF186CI
and RF188CI communication modules using Ident instructions via a SIMATIC controller.
To configure Ident systems using STEP 7 Basic / Professional (TIA Portal), you need
appropriate Ident instructions. The Ident profile and the Ident blocks are integrated in STEP 7
as of version V13.1.
You can find a detailed description of the Ident profile and the Ident blocks in the "Ident
profile and Ident blocks, standard function for Ident systems
(https://support.industry.siemens.com/cs/ww/en/view/109793329)" function manual.
Programming of the digital inputs/outputs
The RF18xCI communications modules have configurable digital inputs/outputs that you can
configure using the WBM. You can find more information on this in the section "The "Settings
- Digital inputs/outputs" menu item (Page 82)".
You can operate the interface as a single input (DI 0) or a single output (DO 0 and PI 0), as
needed, or you can connect an IO-Link module. IO-Link modules with up to 8 inputs and/or 8
outputs are supported.
The inputs/outputs are mapped in a data word each in the process image of the controller.
Because the physical output value of the CM can deviate from the process image value of the
controller through internal linking, each physical output value is also mapped as additional
input in the controller.
The structure of these bytes and the assignment to the digital inputs/outputs is shown below:
Table 8- 1
Byte 1
Bit
Input
Output
Byte 0
Bit
Input
Output
PI: Physical output value
DI: Digital input value
DO: Digital output value
SIMATIC RF185C, RF186C, RF188C, RF186CI, RF188CI
Operating Instructions, 03/2022, C79000-G8976-C512-04
Assignment of the digital inputs/outputs
7
6
PI 7
PI 6
--
--
7
6
DI 7
DI 6
DO 7
DO 6
5
4
3
PI 5
PI 4
PI 3
--
--
--
5
4
3
DI 5
DI 4
DI 3
DO 5
DO 4
DO 3
8
2
1
0
PI 2
PI 1
PI 0
--
--
--
2
1
0
DI 2
DI 1
DI 0
DO 2
DO 1
DO 0
115
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