Technical data

Fieldbus coupler/controller • 37
Fieldbus coupler 750-310
WAGO-I/O-SYSTEM 750
CC-Link
3.1.1 Description
The fieldbus coupler 750-310 mappes the peripheral data of all connected I/O
modules to the CC-Link Bus.
The bus coupler determines the physical structure of the node and automati-
cally creates a local process image from this with all inputs and outputs. This
could involve a mixed arrangement of analog (word by word data exchange)
and digital (byte by byte data exchange) modules.
The data of the analog modules are mapped into the process image according
to the order of their position downstream of the bus coupler. The bits of the
digital modules are compiled to form bytes and also mapped into the process
image attached to the data of the analog modules. Should the number of digital
I/Os exceed 8 bits, the coupler automatically starts another byte.
The process image is subdivided into an input and output data area. The proc-
ess data can be read in via the CC-Link bus and further processed in a control
system. The process output data is sent via the CC-Link bus.