240 Run-time System CODESYS 2.3 WAGO-I/O-SYSTEM 750
750-8208 PFC200 CS 2ETH RS CAN DPM
Manual
Version 1.1.0, valid from FW Version 02.06.20(09)
I/O Module Data Width
The data width of an I/O module is between 0 and 48 bytes.
I/O Module Process Data
Check the I/O module process data whenever you add or remove the modules
to/from the fieldbus controller. Changing the I/O module topology results in an
adjustment of the process image, as the process data addresses also change.
8.6.2 Process Image for Slaves Connected to the Fieldbus
The size and structure of the process image for the slaves connected to the system
are described in the section for the specific fieldbus.
No direct access from fieldbus to the process image for I/O modules!
Any data that is required from the I/O module process image must be explicitly
mapped in the CODESYS program to the data in the fieldbus process image and
vice versa! Direct access is not possible!
8.7 Access to Process Images of the Input and Output
Data via CODESYS 2.3
The following tables describe the possibilities with which you can access the
address ranges of the process image for the inputs and outputs connected to the
internal data bus.
Table 184: Access to the Process Images of the Input and Output Data – Internal Data Bus
input process
image
Map of the local input modules
(internal data bus, I/O module 1
to 1 bis 64
*
) in the RAM.
output process
image
Map of local output modules
(internal data bus, I/O module 1
to 64
*
) in the RAM.
Write
* The use of up to 250 I/O modules is possible with the WAGO internal data bus extension
modules.
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