Register address
(Hexadecimal) (Decimal)
1134H
4404
1135H
4405
1136H
4406
1137H
4407
113CH to 113DH
4412 to
4413
113EH to 113FH
4414 to
4415
1140H to 1141H
4416 to
4417
1142H to 1143H
4418 to
4419
1144H to 1145H
4420 to
4421
27FEH
10238
11 NZ2FT-MT
312
11.7 MODBUS Standard Functions and MODBUS Devices
Possible
Specification method
access
Master module: RJ71EN71
Communication
pattern
Read/write
Read
Write
Read/write
Read
Write
Read/write
Read
Write
Read/write
Read
Write
Write only
Write
Write only
Write
Read/write
Read
Write
Read/write
Read
Write
Read/write
Read
Write
Read only
Read
*1
Master module:
QJ71MT91
Register
Target MODBUS
type
device type
specification
Holding
0500h: Read
Register
Holding Registers
Holding
0005h: Write
Register
Holding Registers
0505h: Read/Write
Holding Registers
Holding
0500h: Read
Register
Holding Registers
Holding
0005h: Write
Register
Holding Registers
0505h: Read/Write
Holding Registers
Holding
0500h: Read
Register
Holding Registers
Holding
0005h: Write
Register
Holding Registers
0505h: Read/Write
Holding Registers
Holding
0500h: Read
Register
Holding Registers
Holding
0005h: Write
Register
Holding Registers
0505h: Read/Write
Holding Registers
Holding
0005h: Write
Register
Holding Registers
Holding
0005h: Write
Register
Holding Registers
Holding
0500h: Read
Register
Holding Registers
Holding
0005h: Write
Register
Holding Registers
0505h: Read/Write
Holding Registers
Holding
0500h: Read
Register
Holding Registers
Holding
0005h: Write
Register
Holding Registers
0505h: Read/Write
Holding Registers
Holding
0500h: Read
Register
Holding Registers
Holding
0005h: Write
Register
Holding Registers
0505h: Read/Write
Holding Registers
Input
0400h: Read Input
Register
Registers
Data width
Item
Page 317 1134H (4404)
Word
Diagnostic alarm
Do not change the default
value (0).
Page 317 1135H (4405)
Word
Output behaviour on fieldbus
error
Page 317 1136H (4406)
Word
Module behaviour on hot
swap
Page 317 1137H (4407)
Word
Data format
DWord
Page 317 113CH to
113DH (4412 to 4413) Boot
module parameters
Page 317 113EH to
DWord
113FH (4414 to 4415) Save
module parameters
Page 315 1124H to
Long
1125H (4388 to 4389), 1140H
to 1141H (4416 to 4417)
Changing IP address via
fieldbus
Page 316 1126H to
Long
1127H (4390 to 4391), 1142H
to 1143H (4418 to 4419)
Changing subnet mask via
fieldbus
Long
Page 316 1128H to
1129H (4392 to 4393), 1144H
to 1145H (4420 to 4421)
Changing gateway via
fieldbus
Word
Number of entries in the
current module list
The number of I/O modules in
Current module list
(automatically created at
startup) is displayed.