TM3 I/O Bus Configuration

Overview

TM3 I/O bus configuration enables you to select the task that drives TM3 physical exchanges. It can also override the configuration defined in the PLC settings bus cycle task.

Configuring the I/O Bus

Step	Description
1	In the Devices tree, double-click IO_Bus. Result: The IO_Bus editor tab displays:
2	Set the Bus cycle task from the list to either of the following: oUse parent bus cycle setting (default) Sets the task for bus exchange as defined in the PLC settings. oMAST Sets the Master task for bus exchange irrespective of the task defined in the PLC settings.

Step

Description

In the Devices tree, double-click IO_Bus.

Result: The IO_Bus editor tab displays:

Set the Bus cycle task from the list to either of the following:

oUse parent bus cycle setting (default)

Sets the task for bus exchange as defined in the PLC settings.

oMAST

Sets the Master task for bus exchange irrespective of the task defined in the PLC settings.