Gw-7553 module communication test – B&B Electronics GW-7553 - Quick Start Guide User Manual
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5. GW-7553 module communication test
This demo uses utility “MBTCP” on the PC to communicate with the GW-
7553. The User can download it on the web site:
e
settings of the “MBTCP” are shown in the below.
Input GW-7553’s IP (ex: 192.168.0.107) and click “Connect” button
¾ PROFIBUS input test
--Send command to write DO of the GW-7553
The user needs to input command (” 01 0F 00 00 00 10 02 FF FF”) here and
click <Send Command> button to send Modbus command and then MBTCP
can receive response message (” 01 0F 00 00 00 10”). The user can find byte
0, 1 of input data area of PROFIBUS Master device have changed into
“0xFF” at this time, as shown in the below.
Send modbus command (output data: 0xFF, 0xFF)
Receive “0xFF” in input data area of PROFIBUS Master station
Module Byte
Data
type
Representation
Value
Input 0
Byte
Hex
0xFF
Input module
Input 1
Byte
Hex
0xFF
GW-7553 PROFIBUS/Modbus TCP Gateway Quick Start (Version 1.00, DEC/2008) PAGE：7