Settings

Settings

Overview

The I/O Interfaces Settings window configures the parameters that are global to all I/O channels.

I/O Access Functionality

Field Descriptions

Configure the following parameters:

Enable I/O Access

Enables/disables Modbus as the communication protocol for all the I/O

to Modbus protocol channels.

 

Default: Disabled

UID

This is the UID you are assigning to the IOLAN, which is acting as a Modbus

 

slave.

 

Default: 255

Advanced Modbus

Click this button to configure global Modbus Slave settings.

Settings Button

See Advanced Slave Modbus Settings on page 237 for field descriptions.

 

Allow Modbus TCP Allows a host running a Modbus/TCP application to communicate to the I/O Application (API) channels using the standard Modbus API.

Default: Permanently enabled when Enable I/O Access via Modbus protocol is enabled

Allow Modbus RTU/ASCII via TruePort

See Modbus I/O Access on page 268 for function codes and I/O coil/registration descriptions.

Enables/disables serial Modbus application access to the I/O over the network using the TruePort COM redirector feature.

Default: Disabled

See Modbus I/O Access on page 268 for function codes and I/O coil/registration descriptions and Accessing I/O Data Via TruePort on page 275 for the Perle API.

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IOLAN SDS/SCS/STS User’s Guide, Version 3.6

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Perle Systems STS, SCS manual Settings, Access Functionality