Mitsubishi Electric GOT2000 Series Connection Manual page 270

(17) RS-485 connection diagram 17)
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
*2
*3
*4
8 - 26
8.3 Connection Diagram
* 3
Pin No. of temperature controller differs depending on the model. Refer to the following table.
GREEN
GREEN
Signal Series
Series
name UT/UP/
UM
Pin No. Pin No.
SDB (+) 23
SDA (-) 24
RDB (+) 25
RDA (-) 26
SG 27
• 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 GOT and 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.
Temperature
controller
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
* 4
Terminating resistor(220Ω 1/4W)
Model of temperature controller
UT32A/UP35A/
US
UM33A
(product condition A)
Pin No.
21 301
22 302
23 304
24 305
25 303
Suffix code
Function Open network
- 1
1 or 2 - Without "/LP"
1
- - With "/CH3"
2 -
- - With "/C4"
* 1
* 4
* 2
UTAdvanced Series
UT35A/ UT55A (product
UT55A (product condition B)/
condition A)/UP55A UP55A (product
condition B)
Pin No.
407
408
410
411
409
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)
Temperature
controller
* 1
SDB(+)
SDA(-)
RDB(+)
RDA(-)
SG
UT75A
Pin No. Pin No.
501 1
502 2
504 4
505 5
503 3
Remark