Mitsubishi Electric GOT2000 Series Connection Manual page 284

(9) RS-485 connection diagram 9)
RS232C/RS485
interface converter
*1
*2
*3
*4
(10) RS-485 connection diagram 10)
GOT side
SDA1
SDB1
RDA1
RDB1
SDA2
SDB2
RDA2
RDB2
SG
FG
*1
*2
*3
*4
8 - 22
8.3 Connection Diagram
* 3
Temperature controller
B(+)
4
A(-)
3
SG
5
GND
6
* 4
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 temperature controller which will be a terminal.
Turn on the terminating switch on the RS232C/RS485 converter at the end.
Connect FG grounding to the appropriate part of a cable shield line.
* 3
* 1
RSB(+)
1
RSA(-)
2
3
4
5
6
7
8
9
10
* 4
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 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.
Terminating resistor(220Ω 1/4W)
* 1
RSB(+)
RSA(-)
SG
Model of temperature controller
UT100 Series
UT130/UT150/
UP150
Pin No.
3
4
5
Temperature controller
SG
* 4
Terminating resistor(100Ω 1/4W)
Model of temperature controller
UT100 Series
UT130/UT150/
UP150
Pin No.
3
4
5
* 2
Temperature controller
* 1
RSB(+)
RSA(-)
SG
* 4
UTAdvanced
UT100 Series
Series
UT152/UT155
UT52A/UM33A
Pin No. Pin No.
26 301
27 302
28 303
Temperature controller
RSB(+)
RSA(-)
SG
* 2
UTAdvanced
UT100 Series
Series
UT152/UT155
UT52A/UM33A
Pin No. Pin No.
26 301
27 302
28 303
UTAdvanced
Series
UT55A/UP55A
Pin No.
501
502
503
* 1
UTAdvanced
Series
UT55A/UP55A
Pin No.
501
502
503