SST Automation GS11-MT, User Manual

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1 About the Embedded Module
1.1 General
GS11-MT is an embedded Modbus TCP module and provides instant Modbus TCP connectivity via the host
interface which is SST Automation defined. Any device that supports the host interface can communicate with
GS11-MT through UART.
1.2 Features

Upgrade your UART or serial device to Modbus TCP device expediently.

Provide two kinds of operating modes.
Modbus TCP to Modbus RTU: transparent mode.
Modbus TCP to SST Automation-defined protocol: data mapping mode.

Ethernet is 10/100M adaptive.

Supports 4 Modbus TCP connects at most.

Can cache 20 Modbus TCP request messages at most in Modbus TCP to Modbus TRU mode.

Configuration software SST-EMT-CFG.

Setting the IP address via the UART( Optional Features), refer to chapter 7.
1.3 Specifications

Modbus TCP to Modbus RTU mode:
Can cache 20 request messages at most;
When the request messages buffer overflows, it can discard the current request.

Modbus TCP to SST Automation-defined protocol mode:
Support function codes: 04H
、
03H
、
06H
、
10H.
The size of input and output buffers can be set by users:
The size of input buffer is 256 bytes at most;