Wiring; Communication Link Between Basic Assembly And Ex Module Group - Siemens SIMATIC ET 200SP HA System Manual

Wiring

6.1

Communication link between basic assembly and Ex module group

Once correctly mounted, the Ex module group is automatically connected to the backplane bus
of the I/O station.
The communication with the controller/automation system is performed via the interface
module of the I/O station.
Modules for devices in a hazardous area
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