Rs-485 Cable - Mitsubishi Electric GOT1000 Series Connection Manual

8.3.2

RS-485 cable


Connection diagram
RS485 connection diagram 1)
RS232C/RS485
* 3
interface converter
SDA(-)
1
SDB(+)
2
RDA(-)
3
RDB(+)
4
SG
5
GND
6
*1 Pin No. of temperature controller differs depending on the model. Refer to the following table.
Signal name
RDA (-)
RDB (+)
SDB (+)
SDA (-)
SG
*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.
RS485 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.
Signal name
SDB (+)
SDA (-)
RDB (+)
RDA (-)
SG
*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.
*4 Connect FG grounding to the appropriate part of a cable shield line.
Terminating resistor(220Ω 1/4W)
Temperature controller
* 1
RDA(-)
RDB(+)
SDA(-)
SDB(+)
SG
* 4
Model of temperature controller
GREEN Series
UT/UP/UM
Pin No.
26
25
23
24
27
Model of temperature controller
GREEN Series
UT/UP/UM
Pin No.
23
24
25
26
27
■ Connecting terminating resistors
8. CONNECTION TO YOKOGAWA TEMPERATURE CONTROLLER
* 2
Temperature
controller
* 4
GREEN Series
US
Pin No.
24
23
21
22
25
Temperature controller
* 1
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
GND
* 4
Terminating resistor(220Ω 1/4W)
GREEN Series
US
Pin No.
21
22
23
24
25
8.3 Connection Diagram
* 1
RDA(-)
RDB(+)
SDA(-)
SDB(+)
SG
Temperature
controller
* 1
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
GND
* 4
* 2
8 - 11
1
2
3
4
5
6
7
8