FX communication
Commands 8
8-13
8
8.8.2 Control Specification and Example
1 ) Control specification
Protocol format 1 is shown.
2 ) Specification example
To read the type name from station No.15 (with message wait time set to 0 ms)
Computer
Programmable
controller
E N Q
Station
No.
PLC No.
P C
Message
wait time
Sum check
code
Station
No.
S T X
PLC No.
PC type
name
(2 characters)
E T X
Sum check
code
Station
No.
A C K
PLC No.
Character area B
Programmable controller type name
read command
Notes
• The station number, PC (PLC) number, number of devices, and sum check code are
expressed in hexadecimal.
Computer
Programmable
controller
E
N
Q
The sum check is
calculated over this
range
The sum check is
calculated over this
range
46H30H
0 F
46H46H
F F
43H50H
P L C
30H
0
35H43H
C 5
05H
S
T
X
46H
30H
0 F
46H
46H
F F
02H
E
T
X
31H38H
8 1
03H
A
C
K
46H30H
0 F
46H46H
F F
06H
Indicates station No. 15
("0F" in hexadecimal).
Indicates the type name of the Programmable controller is FX, FX
2C
series.
44H38H
8 D
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