Mitsubishi Electric GOT2000 Series Connection Manual page 282

(7) RS-485 connection diagram 7)
GOT side
SDA1(TXD1+)
SDB1(TXD1-)
SG
SDA2(TXD2+)
SDB2(TXD2-)
RDA1(RXD1+)
RDB1(RXD1-)
RSA(RTS+)
RSB(RTS-)
CSA(CTS+)
CSB(CTS-)
NC
NC
NC
RDA2(RXD2+)
RDB2(RXD2-)
NC
NC
NC
NC
*1
*2
*3
*4
8 - 20
8.3 Connection Diagram
* 3
6
8
2
5
7
* 4
10
12
14
16
18
20
1
3
4
9
11
13
15
17
19
Pin No. of temperature controller differs depending on the model.Refer to the following table.
Signal name
RSB (+)
RSA (-)
SG
Terminating resistor should be provided for a temperature controller which will be a terminal.
Set the terminating resistor of GOT side which will be a terminal.
➠ ■3.
Connecting terminating resistors
Connect FG grounding to the appropriate part of a cable shield line.
Temperature controller
* 1
RSB(+)
RSA(-)
SG
* 4
Terminating resistor(220Ω 1/4)
Model of temperature controller
GREEN Series
UT750/UP750 UT130/UT150/UP150
Pin No.
28
29
30
Temperature controller
* 2
UT100 Series
Pin No.
3
4
5
* 1
RSB(+)
RSA(-)
SG
UT100 Series
UT152/UT155
Pin No.
26
27
28