Mitsubishi FX3U Series User Manual page 86

FX Series Programmable Controllers
3U
User's Manual - MODBUS Serial Communication Edition
:
S
1
Command
Code
8H
Diagnosis
BH
Get Comm.
Event Counter
CH
Get Comm.
Event Log
FH
Write Multiple
Coils
10H
Write Multiple
Registers
11H
Report Slave ID
82
:
S
2
Device Address/ Device Count/Sub-command
Sub-command Code
Applicable Devices: D • R • indexing • K • H
Sub-function: 10H
0 (fixed)
Return NAK Counter
Sub-function: 11H
Return Slave Busy 0 (fixed)
Counter
Sub-function: 12H
Return Character 0 (fixed)
Overrun Counter
0 (fixed) 0 (fixed)
0 (fixed) 0 (fixed)
MODBUS Address: Device Count:
0000H~FFFFH 1~1968
MODBUS Address:
Device Count:1~123
0000H~FFFFH
0 (fixed) 0 (fixed)
:
S
3
Data/AND Mask
PLC Destination Device (head address)
PLC Destination Device (head address)
PLC Destination Device (head address)
PLC Destination Device (head address)
PLC Destination Device (head address)
(2 log bytes/word)
PLC Source Device (head address)
PLC Source Device (head address)
PLC Destination Device (head address)
Additional Data (Vendor Specified)
8 Master Specification
8.3 ADPRW Command Parameters
S / D :Source Data /
4
Destination PLC Device/OR Mask
Applicable
D • R • indexing
Devices
Block Length 1 Point
Applicable
D • R • indexing
Devices
Block Length 1 Point
Applicable
D • R • indexing
Devices
Block Length 1 Point
: Programming State
D
+1: Event Counter
D
Applicable
D • R • indexing
Devices
Block Length 2 Point
: Programming State
D
+1: Event Counter
D
D +2: Bus Message Counter
+3: Log Length
D
+4~35: Up to 64 Bytes Event Log
D
Applicable
D • R • indexing
Devices
Block Length 4~36 Point
Applicable D • R • K • H • M • X •
Devices
Y • S • indexing
Block Length
( + 15)
S
3
Applicable D • R • K • H •
Devices
indexing
Block Length
S
3
D : Slave ID
+1: RUN/STOP State
D
+2: Additional Data Byte Count
D
+3~127: Up to 249 Bytes
D
Applicable
D • R • indexing
Devices
Block Length 3~128 Point
÷
16