Mitsubishi Electric GOT1000 Series Connection Manual page 144

RS485 connection diagram 10) (For GT16)
GOT side
SDA1 (TXD1+) 1
SDB1 (TXD1-) 2
RDA1 (RXD1+)
3
RDB1 (RXD1-)
4
SG
13
SDA2 (TXD2+)
5
SDB2 (TXD2-)
6
RDA2 (RXD2+)
7
RDB2 (RXD2-)
8
RSA (RTS+)
9
RSB (RTS-)
10
CSA (CTS+)
11
CSB (CTS-)
12
NC
14
Shell
*1 Terminating resistor should be provided for a temperature controller which will be a terminal.
*2 Set the terminating resistor of GOT as follows.
GT16, GT15, GT12: Set the terminating resistor setting switch of the GOT main unit to "100 OHM".
*3 Connect FG grounding to the single-sided end of a cable shield line.
3 - 30
3. CONNECTION TO AZBIL CONTROL EQUIPMENT
3.3 Connection Diagram
Temperature controller
* 2
terminal for RS-485 port1
RDA1
RDB1
SDA1
SDB1
SG1
* 3
■ Connecting terminating resistors
side
6
7
4
5
8
* 3
Terminating resistor (150Ω 1/2W)
Temperature controller side
terminal for RS-485 port1
6 RDA1
7 RDB1
SDA1
4
SDB1
5
SG1
8
* 1