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IOLAN SDS/SCS/STS/MDC User’s Guide, Version 4.1 352
Applications Chapter 16
16
Introduction
This chapter provides examples of how to integrate the IOLAN within different network
environments or applications. Each scenario provides an example of a typical setup and describes the
configuration steps to achieve the IOLAN functionality feature.
Configuring Modbus
This sections provides a brief overview of the steps required to configure the IOLAN for your
Modbus environment. You can read the
Modbus Gateway Settings and Modbus Serial Port Settings
sections for more specific information about the Modbus settings.
Overview
This section describes the high-level steps required to configure the IOLAN as a Modbus Master or
Slave Gateway.
Configuring a Master Gateway
To configure a Master Gateway (Modbus Master connected to the serial side of the IOLAN), do the
following:
1. Set the serial port that is connected to the serial Modbus Master to the Modbus Gateway profile.
2. In the Modbus Gateway profile on the General tab, set the Mode to Modbus Master.
3. Still on the General tab, click the Destination Slave IP Mappings button to map the Modbus
Slave’s IP addresses and their UIDs that the serial Modbus Master will attempt to communicate
with.
4. For specialized configuration options, select the Advanced tab and configure as required.
Configuring a Slave Gateway
To configure a Slave Gateway (Modbus Master resides on the TCP/Ethernet network), do the
following:
1. Set the serial port that is connected to the serial Modbus Slave(s) to the Modbus Gateway
profile.
2. In the Modbus Gateway profile on the General tab, set the Mode to Modbus Slave.
3. Still on the General tab, specify the Modbus Slave UIDs that the TCP Modbus Master will
attempt to communicate with.
4. Still on the General tab, click the Advanced Slave Settings button to configure global Slave
Gateway settings.
5. For specialized configuration options, select the Advanced tab and configure as required.