User Manual
Universal Serial/PROFIBUS DP Gateway
GT200-DP-RS
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Communication Interface:
RS485 and RS232 can be selected, the default is RS485.
Module Properties
According to the Modbus address and read/write command, add the appropriate modules for the GT200-DP-RS
device.
For example, the configurable parameters of the “Read1-8 Bits (0xxxx)” module is shown below:
Slave address:
Modbus slave address inquired by this command.
Function:
Function code of the command.
Starting Address:
Register/Coil/Status starting address. Range: 0~655335.
No. of Points:
Number of data. Configurable only for modules that of function code 01, 02, 15.
7.2.2 Functional Modules
The GT200-DP-RS provides three types of advanced functional modules: Control Module, Status Module and
Exception Module.
Control Module
As a Modbus master, the GT200-DP-RS has a functional module “Control Module” to control whether to send the
Modbus commands.