User Manual
3-channel HART/Modbus TCP Gateway
GT200-3HT-MT
WWW.SSTCOMM.COM
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1 Product Overview
1.1 Product Function
GT200-3HT-MT gateway is designed to exchange data between multiple channel HART and Modbus TCP.
HART interface can be configured as a primary master or the secondary master. Modbus TCP side acts as a
slave.
1.2 Product Features
Simple to use: users can refer to product manuals and application case to achieve communication in a short
time according to the requirements of the configuration;
3 independent HART channels with transformers-isolated;
Ethernet 10/100M self-adaptive;
Rich debugging features, the command of the subsection mapping function, the visual display of data
exchange, HART slave command diagnostic functions greatly facilitate the user's communication test;
The HART command and Modbus TCP parameters can be configured by configuration software.
1.3 Technical Specifications
[1] HART interface can be used as a primary master or a secondary master;
[2] Supports 3 independent HART channels, under multi-point mode, each channel support connecting at most
13 instruments with gateway internal resistor and supports connecting 15 instruments with an external
resistor (250Ω/2W);
[3] HART interface supports single-point and multi-point mode;
[4] Under single-point mode, supports data burst operation ;
[5] Supports all commands of the HART protocol;
[6] Each HART command can be configured for change-of-state output, polling output, initialization output or
