A-12
FX Series PLC User's Manual - Data Communication Edition
Common Items
1 Introduction
1.2 Outline and Features of Communication Types
1.2.8
MODBUS Communication
For details, refer to FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
User's Manual
- MODBUS Serial Communication Edition.
1. Outline
1) In the case of the RS-485
2) In the case of the RS-232C
2. Applicable PLCs
:Applicable (If applicable versions of main units are limited, they are described inside ( ).)
—:Not applicable
3. Communication targets
MODBUS-compatible equipment
4. Function
This function enables MODBUS communication with MODBUS-compatible equipment in accordance with
RS-232C or RS-485.
5. Applications
Line control in the decentralized or centralized method.
PLC
FX
2
(FX),FX
2C
FX
0N
FX
1S
,FX
1N
,FX
1NC
FX
2N
,FX
2NC
FX
3S
FX
3G
FX
3GC
FX
3U
,
FX
3UC
Communication
applicability
—
—
—
—
(Ver. 1.30
or later)
(Ver. 2.40
or later)
RS-485
RS-485
RS-485
• • • • • • • • • • • • • • •
Terminal resistor
Terminal
resistor
FXCPU
master
FXCPU
slave
No.1
FXCPU
slave
No.32
• Number of connectable units: Master 1
: Slave 32 maximum
• Total extension distance : 500 m (1640’5”) maximum
RS-232C
RS-232C
FXCPU
master
FXCPU
slave
• Number of connectable units: Master 1
: Slave 1
• Total extension distance : 15 m (49’2”) maximum
Summary of Contents for FX-485ADP
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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 ...
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