Mitsubishi Electric GOT2000 Series Connection Manual page 272

(19) RS-485 connection diagram 19)
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 - 28
8.3 Connection Diagram
* 3
6
8
2
5
7
10
12
14
16
18
20
1
* 4
3
4
9
11
13
15
17
19
Pin No. of temperature controller differs depending on the model. Refer to the following table.
GREEN Series
Signal name
UT750/UP750
Pin No.
RSB (+) 28
RSA (-) 29
SG 30
Terminating resistor should be provided for a GOT and 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 1/4W)
Model of temperature controller
UT100 Series
UT100 Series
UT130/UT150/
UT152/UT155
UP150
Pin No.
3
4
5
Temperature
controller
* 2
UTAdvanced
Series
UT52A/UM33A
Pin No. Pin No.
26 301
27 302
28 303
* 1
RSB(+)
RSA(-)
SG
UTAdvanced
Series
UT55A/UP55A
Pin No.
501
502
503