Link Specifications - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Computer Link
2.2

Link Specifications

2.2.1 Applicable commands and number of device points
Name
Batch
reading
Batch
writing
Test
(random
writing)
Remote RUN
Remote STOP
PLC model
name reading
Global
On-demand
Loop-back test
*1. Available only in FX
*2. 32 points when 32-bit counters (C200 to C255) are specified.
*3. 32-bit counters (C200 to C255) are not applicable.
*4. 6 points when 32-bit counters (C200 to C255) are specified.
*5. 5 points when 32-bit counters (C200 to C255) are specified.
D-10
Command
Sym- ASCII
bol code
Unit:
BR 42H, 52H Reads bit devices in 1 point units.
Bit
Reads bit devices in 16 point units.
WR 57H, 52H
Read word devices in 1 point units.
Unit:
Word
Reads bit devices in 16 point units.
*1
51H, 52H
QR
Read word devices in 1 point units.
Unit:
BW 42H, 57H Writes bit devices in 1 point units.
Bit
Writes bit devices in 16 point units.
WW 57H, 57H
Writes word devices in 1 point units.
Unit:
Word
Writes bit devices in 16 point units.
*1
51H, 57H
QW
Writes word devices in 1 point units.
Unit: Specifies bit devices arbitrarily in 1
BT 42H, 54H
Bit point units, and sets or resets them.
Specifies bit devices arbitrarily in 16
point units, and sets or resets them.
WT 57H, 54H
Specifies word devices arbitrarily in 1
point units, and writes them.
Unit:
Word
Specifies bit devices arbitrarily in 16
point units, and sets or resets them.
*1
51H, 54H
QT
Specifies word devices arbitrarily in 1
point units, and writes them.
RR 52H, 52H Requests remote RUN or remote
STOP to PLC.
RS 52H, 53H
PC 50H, 43H Reads PLC model name.
Turns global signal ON or OFF
GW 47H, 57H (M8126 in FX Series) in all PLCs
connected in computer link.
Set the sending request flag to ON in
— — PLC (only when 1-to-1 connection is
adopted in system configuration).
Returns received characters back to
TT 54H, 54H
the computer as they are.
, FX , FX
3S 3G
Contents of processing
, FX and FX PLCs.
3GC 3U 3UC
2 Specifications
2.2 Link Specifications
Number of points processed in
one-time update
FX (FX),
2
FX ,
2C
FX , FX FX
0N 1S
FX , FX ,
1N 1NC
FX
FX , FX
2N 2NC
54 256
13 words 32 words 32 words
208 points 512 points 512 points
*4 *2
13 64
32 words
— —
512 points
— —
46 160
10 words 10 words 10 words
160 points 160 points 160 points
*5 *2
11 64
10 words
— —
160 points
— —
10 20
6 words 10 words 10 words
96 points 160 points 160 points
*3 *3
6 10
10 words
— —
160 points
— —
— —
1 1
Maximum Maximum Maximum
quantity
quantity
specified in specified in specified in
sequence sequence sequence
program:
program: program:
64 words 64 words
13 words
25 254
characters characters characters
FX ,
3S
, FX ,
3G 3GC
, FX
3U 3UC
256
*2
64
*2
64
160
*2
64
*2
64
20
*3
10
*3
10
—
1
quantity
254