ICP DAS USA tGW-700 Series User Manual

tGW-700 Series
GW-2200 Series
User Manual
Tiny Modbus/TCP to RTU/ASCII Gateway Ver. 2.6, Oct. 2020
WARRANTY
All products manufactured by ICP DAS are warranted
against defective materials for a period of one year
from the date of delivery to the original purchaser.
WARNING
ICP DAS assumes no liability for damages consequent
to the use of this product. ICP DAS reserves the right to
change this manual at any time without notice. The
information furnished by ICP DAS is believed to be
accurate and reliable. However, no responsibility is
assumed by ICP DAS for its use, nor for any
infringements of patents or other rights of third parties
resulting from its use.
COPYRIGHT
Copyright © 2020 by ICP DAS. All rights are reserved.
TRADEMARKS
Names are used for identification purposes only and
may be registered trademarks of their respective
companies.
CONTACT US
If you have any questions, please feel free to contact
us via email at:
service@icpdas.com
SUPPORT
This manual relates to the following modules:
tGW-712, tGW-722, tGW-732
tGW-715, tGW-725, tGW735
tGW-718, tGW-724, tGW-734
tGW-712i, tGW-722i, tGW-732i
tGW-715i, tGW-725i, tGW735i
tGW-718i, tGW-724i, tGW-734i
tGW-718i-D
tGW-715-T, tGW-715i-T,
tGW-718-T, tGW-718i-T,
GW-2212i, GW-2222i, GW-2232i
GW-2215i, GW-2225i, GW-2235i

ICP DAS USA tGW-700 Series Specifications

General

Model	tGW-700 Series
Manufacturer	ICP DAS USA
Type	Gateway
Communication Protocols	Modbus TCP, Modbus RTU
Operating Temperature	-25°C to +75°C

Summary

1. Introduction

1.1 Features

Lists the key capabilities and functionalities of the tGW-700/GW-2200 series modules.

1.2 Applications

Outlines the typical use cases and industries for the gateway modules.

1.3 Ethernet Solutions

Explains the benefits and role of Ethernet in industrial communication networks.

1.4 Web Server Technology

Describes the use of a web server for easy configuration and management of the devices.

2. Hardware Information

2.1 Specifications

Details the technical specifications, including CPU, interface, power, and environmental parameters.

2.2 Appearance

Illustrates the physical layout and components of the tGW-700 and GW-2200 series modules.

2.3 Dimensions

Provides detailed physical dimensions for various module models and cables.

2.4 Pin Assignments

Details the terminal pin configurations for different serial COM ports on various models.

2.5 Wiring Notes for RS-232/485/422 Interfaces

Offers guidance on proper wiring for serial communication interfaces.

3. Getting Started for tGW-700 / GW-2200 series using IPv4

3.1 Connecting the Power and Host PC

Guides users on establishing physical connections for power and host computer.

3.2 Configuring Network Settings

Explains how to configure IP addresses and network parameters using the eSearch Utility.

3.3 Connecting the Modbus Devices

Details how to connect the gateway to serial Modbus devices.

3.4 Configuring the Serial Port

Provides steps for configuring serial port settings via the web interface.

3.5 Self-Test

Describes the process of performing a self-test to verify module operation.

4. Getting Started for tGW-700 / GW-2200 series using IPv6

4.1 Connecting the Power and Host PC

Guides users on establishing physical connections for power and host computer using IPv6.

4.2 Configuring Network Settings

Explains how to configure network settings for IPv6 connectivity.

4.3 Connecting the Modbus Devices

Details how to connect the gateway to serial Modbus devices for IPv6 operation.

4.4 Configuring the Serial Port

Provides steps for configuring serial port settings via the web interface for IPv6.

4.5 Self-Test

Describes the process of performing a self-test for IPv6 operation.

5. Web Configuration

5.1 Logging in to the tGW-700/GW-2200 Web Server

Step-by-step guide on accessing the device's web interface for configuration.

5.2 Home Page

Overview of the main status and information displayed on the web interface's home page.

5.3.1 IP Address Selection

Configuration options for static or dynamic IP addressing and IPv6 settings.

5.3.2 General Settings

Configuration of Ethernet speed, HTTP port, alias, timeouts, and UDP settings.

5.3.3 Modbus Settings

Settings for Modbus protocol exceptions, CRC checks, and timeouts.

5.3.4 Restore Factory Defaults

Procedure to reset all device settings to their original factory default settings.

5.3.5 Update by Ethernet

Instructions for updating the device firmware over an Ethernet connection.

5.4 Serial Port Page

Page for configuring serial port parameters like baud rate, data format, and protocols.

5.5 Filter Page

Configuration of IP filter lists to restrict network access to the device.

5.6 Monitor Page

Displays current status and statistics of serial port connections.

5.7 Password Page

Options for changing the device's web interface login password.

5.8 Logout Page

Procedure to log out of the web interface and return to the login screen.

6. Typical Applications

6.1 Modbus Gateway

Demonstrates the gateway's function in converting Modbus TCP to RTU/ASCII.

6.2 Modbus Net ID

Explains how Net ID is used for addressing slave devices in Modbus TCP requests.

6.3 Pair-connection Applications

Illustrates creating serial-to-serial connections over Ethernet using the gateway.

6.4 TCP Client Mode Applications

Shows how the gateway acts as a TCP client to connect to Modbus TCP slave devices.

7. Modbus Information

7.1 Modbus Message Structure

Details the structure of Modbus/TCP and RTU messages, including headers and data fields.

7.2 Exception Codes

Explains the various error codes returned by Modbus devices during communication.

Appendix A: Troubleshooting

A1. How do I restore the web password for the module to the factory default password?

Step-by-step guide to reset the web password and restore factory default settings.