Commands For 4C/3C/4E/3E Frame - Mitsubishi Electric MELSEC IQ-R series Reference Manual

Commands for 4C/3C/4E/3E frame

The following shows the commands for 4C/3C/4E/3E frame.
For 4C/3C/4E/3E frame, specify subcommands in the request message as well.
Device access
Function
Batch read Batch read in
and write word units
Batch read in
bit units
Batch write in
word units
Batch write in
bit units
Random read Random read
and write in word units
Random write
in word units
(test)
Random write
in bit units
(test)
Batch read Batch read
and write multiple blocks
multiple
blocks
Batch write
multiple blocks
Monitor Register
device monitor data
memory
Monitor
Command Description
0401 Read values from devices in word units.
Read the values in batch with specifying the consecutive device points.
Read values from devices in bit units.
Read the values in batch with specifying the consecutive device points.
1401 Write values to devices in word units.
Write the consecutive devices in batch with specifying the consecutive device
points.
Write values to devices in bit units.
Write the consecutive devices in batch with specifying the consecutive device
points.
0403 Read values from devices in word or double-word units.
Read device values with specifying device numbers.
Discontinuous device numbers can be specified.
Read values randomly in word units by specifying the monitor condition.
The read timing can be changed.
1402 Write values to devices in word or double-word units.
Write device values with specifying device numbers.
Discontinuous device numbers can be specified.
Write values to devices in bit units.
Write device values with specifying device numbers.
Discontinuous device numbers can be specified.
0406 Read values for specified multiple blocks by handling consecutive word devices
or bit devices as one block.
Each block can be specified with discontinuous device numbers.
1406 Write values for specified multiple blocks by handling consecutive word devices
or bit devices as one block.
Each block can be specified with discontinuous device numbers.
0801 Register the devices to be monitored.
Perform monitor data registration by specifying monitor conditions.
The read timing can be changed.
0802 Read the values of registered devices.
Subcommand
0000 For MELSEC-
0080 Q/L series
0002 For MELSEC
0082 iQ-R series
0001 For MELSEC-
0081 Q/L series
0003 For MELSEC
0083 iQ-R series
0000 For MELSEC-
0080 Q/L series
0002 For MELSEC
0082 iQ-R series
0001 For MELSEC-
0081 Q/L series
0003 For MELSEC
0083 iQ-R series
0000 For MELSEC-
0080 Q/L series
0002 For MELSEC
0082 iQ-R series
0040 Monitor
00C0 condition
specified
0000 For MELSEC-
0080 Q/L series
0002 For MELSEC
0082 iQ-R series
0001 For MELSEC-
0081 Q/L series
0003 For MELSEC
0083 iQ-R series
0000 For MELSEC-
0080 Q/L series
0002 For MELSEC
0082 iQ-R series
0000 For MELSEC-
0080 Q/L series
0002 For MELSEC
0082 iQ-R series
0000 For MELSEC-
0080 Q/L series
0002 For MELSEC
0082 iQ-R series
0040 Monitor
00C0 condition
specified

0000
7 COMMANDS AND FUNCTIONS
7.1 Command List
7
63