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76 •
PROFINET IO 750-370
Process Image
Digital output modules without diagnostics information in the input process
image receive the provider status (IOPS) from the I/O controller and supplies
it with the consumer status (IOCS) of existing output information. The
accompanying process data is additionally transmitted in the opposite
direction in case the corresponding diagnostics module appears in the input
image of the I/O controller.
The following table shows a list of the number of bytes for the individual
modules that are allocated in the respective process image (PA) and the
telegrams (TLG) in the direction of transmission and reception (Tx, Rx).
8-channel digital output module
1 Bit diagnostic per signal
8DO_8DIA_PI
channel, additional diagnostic in
the input image
16DO
16-channel digital output module
75x-537
75x-5xx
WAGO-I/O-SYSTEM 750
PROFINET IO
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