Mitsubishi Electric GOT2000 Series Connection Manual page 259

(2) RS-485 connection diagram 2)
* 3
GOT side
RDA1(RXD1+)
10
RDB1(RXD1-)
12
SDA1(TXD1+)
6
SDB1(TXD1-)
8
SG
2
RSA(RTS+)
14
CSA(CTS+)
18
RSB(RTS-)
16
CSB(CTS-)
20
NC
1
NC
3
NC
4
SDA2(TXD2+)
5
SDB2(TXD2-)
7
RDA2(RXD2+)
9
RDB2(RXD2-)
11
NC
13
NC
15
NC
17
NC
19
*1 Pin No. of temperature controller differs depending on the model.Refer to the following table.
*2 Terminating resistor should be provided for a temperature controller which will be a terminal.
*3 Set the terminating resistor of GOT side which will be a terminal.
➠ ■3.
*4 Connect FG grounding to the appropriate part of a cable shield line.
Signal name
SDB (+)
SDA (-)
RDB (+)
RDA (-)
SG
Connecting terminating resistors
Temperature controller
* 1
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
GND
* 4
Terminating resistor(220Ω 1/4W)
Model of temperature controller
GREEN Series
UT/UP/UM
Pin No.
23
24
25
26
27
8.3 Connection Diagram
Temperature
controller
* 1
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
GND
* 4
* 2
GREEN Series
US
Pin No.
21
22
23
24
25
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