Commands And Device Ranges; Commands - Mitsubishi Electric MELSEC FX Series User Manual

FX communication
7.7

Commands and Device Ranges

7.7.1

Commands

Batch
read
Batch
write
Test
(select
write)
Remote run
PC Remote stop
PC type read
Global
On-demand
Loopback test
* Computer except high speed (32-bit) counters C200 to C255.
Command
ASCII
Symbol
code
Bit
BR 42H, 52H
unit
Word
WR 57H, 52H
unit
Bit
BW 42H, 57H
unit
Word
WW 57H, 57H
unit
Bit
BT 42H, 54H
unit
Word
WT 57H, 54H
unit
RR 52H, 52H Remote run/stop request to
RS 52H, 53H
PC 50H, 43H PC type name(code) is read.
GW 47H, 57H

TT 54H, 54H
Description
Reads a group of bit devices (X, Y, M,
S, T, C), result is in units of 1 device.
Reads a group of bit devices (X, Y, M,
S), result is in units of 16 devices.
Reads a group of word devices (D, T,
C), result is in units of 1 device.
Writes a group of bit devices (X, Y, M,
S, T, C), data is in units of 1 device.
Writes a group of bit devices (X, Y, M,
S), data is in units of 16 devices.
Writes a group of word devices (D, T,
C), data is in units of 1 device.
Set/reset individual bit devices (X, Y,
M, S, T, C) selectively in units of 1
device.
Set/reset bit devices (X, Y, M, S)
selectively in units of 16 devices.
Write word devices (D, T, C*)
selectively in units of 1 device.
programmable controller.
Set/reset the global flag (M8126 for
FX series) to all connected
programmable controllers.
Send request from programmable
controller. Possible, however, only in
1:1 system configuration.
Characters received from the
computer are directly sent back to the
computer.
Computer link 7
Maximum No. of units
per communication
FX, FX ,
2C
FX ,
0N
FX , FX
1N 2N
FX
1S
FX
2NC
54 points 256 points
13 words, 32 words,
208 points 512 points
13 points 64 points
46 points 160 points
10 words, 10 words
160 points 160 points
11 points 64 points
10 points 20 points
6 words, 10 words,
96 points 160 points
6 points 10 points
 
1 point 1 point
Maximum Maximum
13 words 64 words
25 254
characters characters
7-16
,