User`s manual

FX communication
Commands 8
8-5
8
8.3 Batch Write of Bit Device (BW command)
1 ) Command specification
Protocol format 1 is shown
2 ) Command example
To write data into five points from M903 to M907 at station No.0 (with message wait time set
to 0 ms).
E N Q
Station No. PLC No.
B W
Message
wait time
Sum check code
Station No.
A C K
PLC No.
Data of
the
specified
devices
Head device
(5 characters)
Number of
devices
(2 characters,
hexadecimal)
Batch write command (bits)
Character area A
Computer
Programmable
controller
Specifies the range of devices to be written.
"0" (30H) indicates OFF.
"1" (31H) indicates ON.
Notes
• Specify the range and number of devices so as to satisfy the following conditions.
-1
≤
number of devices
≤
160
- Head device No. + number of devices -1
≤
max. device No.
• The station number, PC (PLC) number, number of devices, and sum check code are
expressed in hexadecimal.
Computer
Programmable
contoroller
E
N
Q
The sum check is calculated over this range
30H30H
0 0
46H46H
F F
57H42H
B W
30H
0
4DH 33H30H39H30H 35H30H
M 0 9 0 3 0 5
36H
32H
2 6
05H
A
C
K
30H30H
0 0
46H46H
F F
06H
0 1 1 0 1
30H 31H30H31H31H
Specifies to turn OFF M903
Specifies to turn ON M905
Specifies to turn ON M904
Specifies to turn ON M907
Specifies to turn OFF M906