Mitsubishi FX3U Series User Manual page 87

FX Series Programmable Controllers
3U
User's Manual - MODBUS Serial Communication Edition
:
S
1
Command
Code
16H
Mask Write
Register
17H
Read/Write
Multiple
Registers
:
S
2
Device Address/ Device Count/Sub-command
Sub-command Code
Applicable Devices: D • R • indexing • K • H
MODBUS Address: AND Mask:
0000H~FFFFH 0000H~FFFFH
MODBUS Address:
Device Count:
: Write Address
S
2
S
3
0000H~FFFFH
1~121
+1: Read
S
2
S
3
Address
1~125
0000H~FFFFH
:
S
3
Data/AND Mask
OR Mask:
0000H~FFFFH
Block Length
PLC Destination Device
(head address)
S
S
S
Data (
: Write Count
S
S
S
+1: Read Count
Read Data (
Block Length
8 Master Specification
8.3 ADPRW Command Parameters
S / D :Source Data /
4
Destination PLC Device/OR Mask
Applicable D • R • K • H •
Devices
indexing
1 Point
: Write Data 1
4
+1: Write Data 2
4
+ (Write Count ) -1: Write
S
4 3
S )
3
+ : Read Data 1
S
4 3
+( ) +1: Read Data 2
S
4 3
+ + (Read Count
S S
4 3
+1)
S
3
Applicable
D • R • indexing
Devices
Write Count
Read Count
1
2
3
4
+1) -1:
3
5
S +
3
S +1
3
6
7
8
9
10
83