GN-9371_2_3 User Manual
Page 108 of (110)
G-series GN-9371_2_3 PIO Rev. 1.02.docx
C.2 Beijer HMI Master- PLC Slave(RTU)
Connect the PIO with HMI using the serial cable.
PIO can support the RS232 and RS485 port simultaneously.
HMI should support RS232 or RS485 for Modbus RTU master.
PIO can support the Modbus RTU slave only. Not supported the master mode.
It does not need to set into the PIO for the Modbus RTU slave mode.
The modebusRTU slave will be access to CODESYS address directly for as below address.
Address
IEC Address
Contents
0x0000~0x07FF %IW0~%IW2047
2048 words Input and Internal memory (Area is write-
protected)
0x0800~0x0FFF %QW0~%QW2047 2048 words Output and Internal memory (Area is write-
enabled)
0x1000~0x1FFF -
Special Function Register (PIO Information)
0x2000~0x2FFF
-
Special Function Register (Slot Information)
0x4000~0x5FFF %MW0~%MW8191 8192 words Internal memory (Area is write-enabled)
Set the HMI for the Modbus Master system.
Set the Hexadecimal address system and address.
Default Baud rate is 115200, set the COM port in HMI.
