Mitsubishi Electric GOT2000 Series Connection Manual page 260

■3. Address
GT Designer3 converts the device numbers into decimal format according to the address map of the MODBUS
equipment to be used.
The table below shows the representations on the MODBUS
Device name
Coil
Input relay
Input register
Holding register
Extension file register
5 - 16
5.5 MODBUS(R)/RTU Equipment Side Setting
MODBUS/RTU Communication protocol
Function code to be used
Read
0x01
0x02
0x04
0x03
0x14
POINT POINT POINT
Address conversion example
When monitoring the holding register's address "1234H", GT Designer3 displays "4*****" since
GT Designer3 processes the internal conversion in decimal format as follows:
GT Designer3 converts the holding register's address "1234H" to "04660" in decimal format.
Then, "+1" is added to this decimal address since the holding register's address on GT
Designer3 always starts from "1."
Therefore, the holding register's address "1234H" is displayed as "404661" on GT Designer3.
Holding register
®
/RTU communication protocol and GT Designer3.
Address
Write
0000
0001
0x05
to
0x0F
FFFE
FFFF
0000
0001
- to
FFFE
FFFF
0000
0001
- to
FFFE
FFFF
0000
0001
0x06
to
0x10
FFFE
FFFF
0000
0001
0x15 to
270E
270F
1234H
"4 04660" +1
"404661"
Representation on GT Designer3
000001
000002
to
065535
065536
100001
100002
to
165535
165536
300001
300002
to
365535
365536
400001
400002
to
465535
465536
600000
600001
to
609998
609999
®
/RTU