Mitsubishi FX3U Series User Manual page 46

FX Series Programmable Controllers
3U
User's Manual - MODBUS Serial Communication Edition
Command
Code
0x0C
0x0D
0x0E
0x08
0x0F
Diagnosis
0x10
0x11
0x12
0x0B
0x0C
0x0F
0x10
0x11
0x16
0x17
42
Subcommand
Command Name
Code
Return Bus
Communication
Error Count
Return Bus
Exception Error
Count
Return Slave
Message Count
Return Slave No
Response Count
Return Slave NAK
Count
Return Slave Busy
Count
Return Bus
Character Overrun
Count
Get Communication
Event Counter
Get Communication
Event Log
Write Multiple Coils
Write Multiple
Registers
Report Slave ID
Mask Write Register
Read/Write Multiple
Registers
7.1 MODBUS Standard Commands Support List
Accessible
Details Devices per
Message
Read number of
detected
-
communication
errors
Read number of
detected
-
exception
conditions
Read number of
-
received requests
Read "No
Response"
-
counter of the
slave
Read NAK
counter of the -
slave
Read "Busy"
counter of the -
slave
Read "Bus
Character
-
Overrun" counter
of the slave
Read
communication -
event counter
Read
communication -
event log
Write multiple
1 to 1968
binary (R/W)
points
devices
Write multiple 16 1 to 123
bit (R/W) registers points
Read Slave ID
-
code data
Manipulate slave
register with AND 1 point
Mask / OR Mask
Read:1 to
Read/Write 125
multiple 16 bit pointsWrite:
(R/W) registers 1 to 121
points
7 MODBUS Standard Commands
Broadcast Reference
Subsection
✘
7.11.8
Subsection
✘
7.11.9
Subsection
✘
7.11.10
Subsection
✘
7.11.11
Subsection
✘
7.11.12
Subsection
✘
7.11.13
Subsection
✘
7.11.14
✘
Section 7.12
✘ Section 7.13
✔ Section 7.14
✔
Section 7.15
✘
Section 7.16
✔ Section 7.17
✘
Section 7.18