Io Routing; What Is Io Routing And How Is It Used - Siemens CP 1626 Operating Instructions Manual

4.4

IO routing

This section answers the following questions:
● What is IO routing?
● When is IO routing used?
● What types of IO routing exist?
● How does the IO router work?
The configuration of an IO router is described in the information system of the configuration
tool "STEP 7 Professional (TIA Portal)".
4.4.1

What is IO routing and how is it used?

Definition
Using IO routing, process data is exchanged between two PROFINET IO systems.
Example
A process controller user program controls a robot.
IO routing makes input/output data of the robot controller accessible to an IO controller for
the control level that can both read and write the data.
IO routing is a function of the IO-Base user programming interface that is configured.
CP 1626
Operating Instructions, 11/2018, C79000-G8976-C434-03
Operating hardware
4.4 IO routing
55