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MODICON PLC
47
Available PLC
Communication Setting
The recommended communication parameter setting of both PLC and POD is as follows:
Available Memory
Set the memory to the extent of the memory range of each PLC model.
Use TYPE number to assign indirect memory for macro programs.
Wiring
The following is a diagram to show the wiring of the cable which connects POD to PLC.
RS-232C
Wiring Diagram 1
PLC
Modbus RTU
RS-232C [Wiring Diagram 1]
Select PLC Type
Modbus RTU
Wiring Diagram
9600bps
1
Even
Even
1
Port
Baud Rate
Parity
Data Length
Stop Bit
Item Setting of PLC
9600bps
88
11
Transmission
Code
Comm. Parameter of POD
Memory TYPE Remarks
4(word device) 0
3 (input register) 1
0(output coil) 4
1 (input relay) 6 Read only
PLC
D-sub 25pin (Male: )
D-sub 9pin (Male: )
FG
SD
RD
RS
CS
SG
1
2
3
4
5
7
RX
TX
DTR
2
3
4
GND 5
DSR 6
RTS 7
CTS 8
*
Use twist shielded cables.
POD (CN1)
47 MODICON PLC