GN-9371_2_3 User Manual
Page 57 of (110)
G-series GN-9371_2_3 PIO Rev. 1.02.docx
7.7 Modbus RTU Master (GN-9372/GN-9373 only)
(1) In order to use the Modbus RTU master function, user should set the Modbus Register 1614.
Address
Access
Type, Size
Description
0x1614(5652)*
Read/Write 1word
Serial connection Method
- 0x0000 : CREVIS Modbus/RTU(Default)
- 0x8000 : RS232 Enable for CODESYS Function block
- 0x8001 : RS485 Enable for CODESYS Function block
- 0x8002 : RS232/RS485 Enable at the same time
:
for CODESYS Function block / RTU Master
User can set the RS 232 or 485 by using IO Guide Pro or Modbus communication tool.
Address value
RS232C port
RS485 port
0x0000
Default (Modbus Slave)
Default (Modbus Slave)
0x8000
CODESYS Setting (RTU M/Serial com)*
Default (Modbus Slave)
0x8001
Default (Modbus Slave)
CODESYS Setting (RTU M/Serial com)*
0x8002
RS232/RS485 Enable at the same time for CODESYS Function block / RTU Master
*RTU Master mode or Serial communication mode for example Barcode and so on.
(2) Add Device for Modbus COM from Modbus Serial Port at Device tree menu.
