Rs-485 Cable - Mitsubishi Electric GOT2000 Series Connection Manual

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13.3.2

RS-485 cable

■1. Connection diagram
(1) RS485 connection diagram 1)
GOT side (D-sub 9-pin)
*1
Pin No. of PLC side differs depending on the model. Refer to the following table.
Signal name
A
B
GND
*2
For the PLC side terminating resistor, refer to the following.
*3
Set the terminating resistor of GOT side which will be a terminal.
For GT27, GT25(Except GT2505-V), GT23: Set the terminating resistor "Enable".
For GT2505-V, GT21: Set the terminating resistor "110Ω".
(2) RS485 connection diagram 2)
GOT side (terminal block)
*1
Pin No. of PLC side differs depending on the model. Refer to the following table.
Signal name
A
B
GND
*2
For the PLC side terminating resistor, refer to the following.
*3
Set the terminating resistor of GOT side, which will be a terminal, to "110Ω".
*3
SDA
1
SDB
6
RDA
2
RDB
7
SG
5
RSA
3
RSB
8
CSA
4
CSB
9
Model of PLC
TC5-02
CN24A
CN24B
Pin No.
Pin No.
1
1
2
2
3
3
PLC user's Manual to be used
1.4.3 Terminating resistors of GOT
*3
SDA
SDB
RDA
RDB
SG
*4
RSA
*4
RSB
*4
CSA
*4
CSB
Model of PLC
TC5-02
CN24A
CN24B
Pin No.
Pin No.
1
1
2
2
3
3
PLC user's Manual to be used
PLC side
A
B
GND
TC5-03
CN14
CN18
Pin No.
Pin No.
3
3
4
4
5
5
A
B
GND
TC5-03
CN14
CN18
Pin No.
Pin No.
3
3
4
4
5
5
13.3 Connection Diagram
*1*2
*1*2
PLC side
13
13 - 7

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