A-7
FX Series PLC User's Manual - Data Communication Edition
Common Items
1 Introduction
1.2 Outline and Features of Communication Types
A
Common Items
B
N:N Network
C
Parallel Link
D
Computer Link
E
Inverter
Communication
F
Non-Protocol
Communication
(RS/RS2 Instruction)
G
Non-Protocol
Communication
(FX
2N
-232IF)
H
Programming
Communication
I
Remote
Maintenance
Apx.
Discontinued
models
1.2.5 Inverter Communication
→ Refer to the "Inverter Communication" section.
1. Outline
2. Applicable PLCs
: Applicable (If applicable versions are limited, they are described inside ( ).)
—: Not applicable
3. Communication targets
1) For FX2N or FX2NC PLC
FREQROL Series (S500, E500 and A500) inverters
2) For FX
3U or FX3UC PLC
FREQROL Series (S500, E500, A500, F500, V500, E700
*2
, F700
*1
and A700
*1
) inverters
*1. F700 and A700 Series inverters are supported in FX
3U and FX3UC PLCs Ver. 2.20 and later.
*2. E700 Series inverters are supported in FX
3U and FX3UC PLCs Ver. 2.32 and later.
4. Function
This communication allows the connection of inverters (computer link) in accordance with RS-485 to control
operations and change parameters.
5. Applications
Operations with up to eight inverters can be controlled from a PLC.
PLC FX2(FX),FX2C FX0N FX1S,FX1N,FX1NC FX2N FX2NC FX3U,FX3UC
Communication
applicability
—— —

(Ver.3.00 or later)

(Ver.3.00 or later)

RS-485
FXCPU
• • • • • • •
•
Number of connectable inverters : 8 maximum
•
Total extension distance : 500 m (1640' 5") [50 m (164' 0") when 485BD is connected]
Terminal
resistor
Terminal
resistor
Inverter Inverter Inverter
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