ICP DAS tM-C8 Modbus RTU Data Acquisition Modules User Guide

June 6, 2024
ICP DAS

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules User Guide

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules User
Guide

Congratulations!

Congratulations on purchasing the tM-C8 the most popular automation solution for remote monitoring and control applications. This Quick Start Guide will provide information needed to get started with the tM-C8. Please also consult the User Manual for detailed information on the setup and use of the tM-C8.

What’s in the shipping box?

In addition to this guide, the shipping box includes the following items:

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules -
overview

tM-C8

Technical Support

  • ICP DAS Website

http://www.icpdas.com/

Understanding the Hardware Specifications and Wiring Diagrams

Before installing the hardware, you should have a basic understanding of hardware specification and the wiring diagrams.

System Specifications:

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - System
Specifications

I/O Specifications:

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - I O
Specifications

Wire Connection:

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Wire
Connection

Pin Assignment

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Pin
Assignment

Booting the tM-C8 in Init Mode

Make sure the switch placed in the “Init” position.

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Booting the tM-C8 in
Init

Connecting to the PC and the Power Supply

The tM-Series series is equipped with an RS-485 port for connection to a 232/USB converter to PC

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Connecting to the PC and
the Power Supply

Installing the DCON Utility

The DCON Utility is an easy-to-use tool designed to enable simple configuration of I/O modules that use the DCON protocol.

Step 1: Locate the DCON Utility

The DCON Utility can be obtained from the companion CD or from the ICPDAS FTP site:
CD:\Napdos\8000\NAPDOS\Driver\DCON_Utility\setup\
http://ftp.icpdas.com/pub/cd/8000cd/napdos/driver/dcon_utility

Step 2: Follow the prompts to complete the installation

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Step 2 Follow the
prompts to complete the installation

After the installation has been completed, there will be a new shortcut to the DCON Utility on the desktop.

Using the DCON Utility to Initialize the tM-Series Module

The tM-Series is an I/O module based on the DCON protocol, meaning that you can use the DCON Utility to easily initialize it.

Step 1: Run the DCON Utility

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Step 1 Run the DCON
Utility

Double-click the DCON Utility shortcut on your desktop.

Step 2: Use the COM1 port to communicate with the tM-Series

Click the “COM Port” option from the menu and a dialog box will be displayed that will allow you to set the communication parameters as described in the table below.

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Step 2 Use the COM1 port
to communicate with the tM-Series

Step 3: Search for the tM-Series module

Click “Start Search” button from the toolbox to search for the tM-Series module. After the tM-Series module is displayed in the list, click “Stop Search” button.

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Step 3 Search for the
tM-Series module

Step 4: Connect to the tM-Series

After clicking on the name of the module in the list, a dialog box will be displayed.

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Step 4 Connect to the
tM-Series

Step 5: Initialize the tM-Series module

Set the “Address” field in the dialog box to 1 and then click “Setting” button to save the settings.

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Step 5 Initialize the
tM-Series module

Rebooting the tM-Series Module in Normal Mode

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Rebooting the tM-Series
Module in Normal ModeMake sure the INIT switch is placed in the “Normal” position.

Starting the Module Operation

After rebooting the tM-Series module, search for the module to make sure the settings have been changed. You can double click on the name of the module in the list to open the configuration dialog box.

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Starting the Module
Operation

Modbus Address Mapping

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Modbus Address
Mapping

ICP DAS tM-C8 Modbus RTU Data Acquisition Modules - Modbus Address Mapping
2

Note: For tM DIO modules, Modbus registers starting at 00033 or 10033 can be used to read the digital input values. For M-7000 DIO modules, they are 00033 or 10001.

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References

Read User Manual Online (PDF format)

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Download This Manual (PDF format)

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