Mitsubishi Electric GOT2000 Series Connection Manual page 288

(16) RS-485 connection diagram 16)
RS232C/RS485
interface converter
RDA(-)
3
RDB(+)
4
SDA(-)
1
SDB(+)
2
SG
5
GND
6
*1
*2
*3
*4
8 - 26
8.3 Connection Diagram
Temperature controller
* 3
* 4
Pin No. of temperature controller differs depending on the model. Refer to the following table.
Signal name
UT32A/UP32A/UM33A
SDB (+)
SDA (-)
RDB (+)
RDA (-)
SG
• For the product condition of UTAdvanced series, refer to the following table.
Product
Model
condition
A
UT55A
B
Other than 3
A
UP55A
B
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.
Terminating resistor (220Ω 1/4W)
* 1
RDA(-)
RDB(+)
SDA(-)
SDB(+)
SG
* 4
Model of temperature controller
UT35A/UP35A/
UT55A (product condition
UP55A (product condition
Pin No. Pin No.
301
302
304
305
303
Suffix code
Function Open network
- 1
1 or 2 - Without "/LP"
1
- - With "/CH3"
2 -
- - With "/C4"
* 2
Temperature controller
RDA(-)
RDB(+)
SDA(-)
SDB(+)
SG
UTAdvanced Series
UT55A (product condition
B)/
A)/
UP55A (product condition
B)
A)
Pin No.
407 501
408 502
410 504
411 505
409 503
Optional
suffix code
Product with the open network port of RS-485
-
communication (4-wire type/2-wire type)
Product with two RS-485 communication
ports (4-wire type/2-wire type) and without the
power supply for 24VDC sensor
Product without the additional contact output
points (DO) and with the open network port of
-
RS-485 communication (4-wire type/2-wire
type) (Standard code model)
Product with the RS-485 communication port
(4-wire type/2-wire type) specified in the E3
terminal area option (Detailed code model)
Product with two RS-485 communication
- ports (4-wire type/2-wire type) (Standard code
model)
Product with the RS-485 communication port
(4-wire type/2-wire type) specified in the E4
terminal area option (Detailed code model)
* 1
UT75A
Pin No.
1
2
4
5
3
Remark