Connection Diagram - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Parallel Link
4.3

Connection Diagram

4.3.1 For FX , FX
3S 3G
1. In the case of one-pair wiring
FX
3U
FX
3G
FX
3U
SDA
(TXD+)
SDB
Terminal
(TXD-)
resistor
110 
RDA
(RXD+)
*2
RDB
(RXD-)
SG
*1. Inside FX
3G
when 1-pair wiring is adopted. Signals are not connected to pins Nos. 4 and 5 of the RJ45 connector. For
cables of FX
Make sure to perform class D grounding on the shield of connected cables.
*2. The FX -485-BD, FX
3U
Set the terminal resistor selector switch to 110 .
*3. Make sure to perform Class-D grounding on the shield of a twisted pair cable connected to
the FX -485-BD, FX
3U
2. In the case of two-pair wiring
FX
3U
FX
3G
FX
3U
SDA
(TXD+)
*5
SDB
(TXD-)
RDA
(RXD+)
*5
RDB
(RXD-)
Terminal
resistor
330 
SG
2
*4. For cables of FX
Make sure to perform class D grounding on the shield of connected cables.
*5. The FX -485-BD, FX
3U
Set the terminal resistor selector switch to 330 .
*6. Make sure to perform Class-D grounding on the shield of a twisted pair cable connected to
the FX -485-BD, FX
3U
, FX , FX and FX
3GC 3U
-485-BD, FX -485-BD
3G
*1
-485-BD-RJ
-485ADP(-MB)
Class-D grounding (resistance: 100  or less)
-485-BD-RJ, SDA and RDA are connected and SDB and RDB are connected respectively
-485-BD-RJ, refer to Subsection 4.2.2.
3G
-485-BD, FX -485-BD-RJ and FX
3G 3G
-485-BD or FX
3G
-485-BD, FX -485-BD
3G
-485-BD-RJ *4
-485ADP(-MB)
Class-D grounding (resistance: 100  or less)
-485-BD-RJ, refer to Subsection 4.2.2.
3G
-485-BD, FX -485-BD-RJ and FX
3G 3G
-485-BD or FX
3G
PLCs
3UC
FX -485-BD, FX -485-BD
3U 3G
*1
FX -485-BD-RJ
3G
FX -485ADP(-MB)
3U
SDA
(TXD+)
SDB
Terminal
(TXD-)
resistor
110 
RDA
(RXD+)
*2
RDB
(RXD-)
SG
*3
-485ADP(-MB) have a built-in terminal resistor.
3U
-485ADP(-MB).
3U
FX -485-BD, FX -485-BD
3U 3G
*4
FX -485-BD-RJ
3G
FX -485ADP(-MB)
3U
SDA
(TXD+)
*5
SDB
(TXD-)
RDA
(RXD+)
*5
RDB
(RXD-)
Terminal
resistor
330 
SG
2
*6
-485ADP(-MB) have a built-in terminal resistor.
3U
-485ADP(-MB).
3U
4 Wiring
4.3 Connection Diagram
G
Apx.A
C-29
A
B
C
D
E
F
H
I