E-91
FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
8 Practical Program Examples (FX2N, FX2NC)
8.2 Practical Example 2
A
Comm
on I
te
ms
B
N:
N N
etwo
rk
C
Paral
le
l Li
nk
D
Com
puter Li
nk
E
In
verter
C
omm
uni
cation
F
N
on-Proto
col
C
ommunicati
on
(R
S/RS
2 Instru
ction
)
G
No
n-
Protoc
ol
Co
mmuni
ca
tion
(FX
2N
-2
32IF)
H
Programm
ing
Comm
uni
cation
I
Re
mo
te
Ma
intenance
Apx.A
D
isco
nti
nued
models
8.2
Practical Example 2
This program executes the same control as practical example 1 shown above.
8.2.1
System configuration example
An FX PLC is connected to an inverter.
8.2.2
Contents of operation
The differences from practical example 1 are that the inverter status is not read while data is written to an
inverter, and that the contents to be written are detected and written to an inverter only when the contents to
be written are changed.
Because communication between the PLC and the inverter is minimum in this program, the communication
time is reduced and the response time is improved.
FX
2N
, FX
2NC
System memory
Distributor
Inverter
Terminal resistor
Summary of Contents for FX-485ADP
Page 2: ......
Page 120: ...B 2 FX Series PLC User s Manual Data Communication Edition N N Network ...
Page 188: ...C 2 FX Series PLC User s Manual Data Communication Edition Parallel Link ...
Page 244: ...D 2 FX Series PLC User s Manual Data Communication Edition Computer Link ...
Page 344: ...E 2 FX Series PLC User s Manual Data Communication Edition Inverter Communication ...
Page 700: ...H 2 FX Series PLC User s Manual Data Communication Edition Programming Communication ...
Page 752: ...I 2 FX Series PLC User s Manual Data Communication Edition Remote Maintenance ...
Page 817: ......