Specifications
8. CONNECTION TO YOKOGAWA TEMPERATURE CONTROLLER
8.3 Connection Diagram
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8
CONNECTION TO YOKOGAWA TEMPERATURE CONTROLLER
8.3.2 RS-485 cable
Connection diagram
(1) RS-485 connection diagram 1)
*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.
(2) RS-485 connection diagram 2)
*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.
■ Connecting terminating resistors
*4 Connect FG grounding to the appropriate part of a cable shield line.
Temperature
controller
RS232C/RS485
interface converter
*
3
RDA(-)
RDB(+)
SDA(-)
SDB(+)
SG
1
2
3
4
5
6
RDA(-)
RDB(+)
SDA(-)
SDB(+)
SG
SDA(-)
SDB(+)
RDA(-)
RDB(+)
SG
GND
Temperature controller
Terminating resistor(220Ω 1/4W)
*
2
*
4
*
4
*
1
*
1
Signal name
Model of temperature controller
GREEN Series
UT/UP/UM
GREEN Series
US
Pin No. Pin No.
RDA (-) 26 24
RDB (+) 25 23
SDB (+) 23 21
SDA (-) 24 22
SG 27 25
Temperature
controller
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
GND
10
12
6
8
2
14
18
16
20
1
3
4
5
7
9
11
13
15
17
19
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
GND
RDA1(RXD1+)
RDB1(RXD1-)
SDA1(TXD1+)
SDB1(TXD1-)
SG
RSA(RTS+)
CSA(CTS+)
RSB(RTS-)
CSB(CTS-)
NC
NC
NC
SDA2(TXD2+)
SDB2(TXD2-)
RDA2(RXD2+)
RDB2(RXD2-)
NC
NC
NC
NC
Temperature controllerGOT side
*
3
Terminating resistor(220Ω 1/4W)
*
2
*
4
*
4
*
1
*
1
Signal name
Model of temperature controller
GREEN Series
UT/UP/UM
GREEN Series
US
Pin No. Pin No.
SDB (+) 23 21
SDA (-) 24 22
RDB (+) 25 23
RDA (-) 26 24
SG 27 25