Mitsubishi Electric GOT2000 Series Connection Manual page 281

(5) RS-485 connection diagram 5)
RS23C/RS485
interface converter
B(+) 4
A(-)
3
SG 5
GND
6
*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 Turn on the terminating switch on the RS232C/RS485 converter at the end.
*4 Connect FG grounding to the appropriate part of a cable shield line.
(6) RS-485 connection diagram 6)
* 3
GOT side
SDA1(TXD1+)
6
SDB1(TXD1-)
8
SDA2(TXD2+)
5
SDB2(TXD2-)
7
SG
2
RDA1(RXD1+)
10
RDB1(RXD1-)
12
RSA(RTS+)
14
RSB(RTS-)
16
CSA(CTS+)
18
CSB(CTS-)
20
NC
1
NC
3
NC
4
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.
Terminating resistor(220Ω 1/4W)
* 3
Temperature controller
* 1
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
* 4
Signal name
SDB (+)
SDA (-)
RDB (+)
RDA (-)
SG
Terminating resistor(220Ω 1/4W)
Temperature controller
* 4
Signal name
SDB (+)
SDA (-)
RDB (+)
RDA (-)
SG
Connecting terminating resistors
* 2
Temperature controller
* 4
Model of temperature controller
GREEN Series
UT/UP/UM
Pin No.
23
24
25
26
27
* 2
* 1
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
* 4
Model of temperature controller
GREEN Series
UT/UP/UM
Pin No.
23
24
25
26
27
8.3 Connection Diagram
* 1
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
GREEN Series
US
Pin No.
21
22
23
24
25
Temperature controller
* 1
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
GREEN Series
US
Pin No.
21
22
23
24
25
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