Comtrol Modbus TCP User Guide - Manual (Page 15)

DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I Chapter 1. Introduction - 15
Locating Updated Software and Documents
1.6. Locating Updated Software and Documents
You can access the firmware software assembly, PortVision DX, and the DeviceMaster UP documentation
from the CD shipped with the DeviceMaster UP or you can download the latest files from:
ftp://ftp.comtrol.com/html/up_modbus_tcp_main.htm
1.7. Modbus/TCP Application Setup
Before you can configure the Modbus/TCP firmware on the DeviceMaster UP, you must have previously
performed the following steps:
• Install the hardware
• Install PortVision DX
• If necessary, upload the Modbus/TCP firmware using PortVision DX
Note: Models that have Modbus/TCP loaded on the DeviceMaster UP are identified in PortVision DX and
the DeviceMaster UP is labeled accordingly.
• Configure the DeviceMaster UP IP address using PortVision DX
Note: If necessary, refer to the DeviceMaster UP Hardware Installation and Configuration Guide for the
above procedures.
Use the following steps to complete the DeviceMaster UP configuration for Modbus/TCP.
1. Program the Modbus/TCP PLC (refer to the information in Programming Interface on Page 17).
2. Configure the DeviceMaster UP serial and Ethernet device interface settings using the Modbus/TCP
Interface Configuration Quick Start. You can use Embedded Configuration Pages on Page 33) as a
reference if you need additional information about fields on the web pages.
3. Connect your serial device or devices and make sure all Ethernet devices are attached to the same
Ethernet subnet. If necessary, refer to the
DeviceMaster UP Hardware Installation and Configuration
Guide .
Unit Identifier The address of the slave device and the term is identical to Device ID and Slave Address.
Term Definition (Continued)