Mitsubishi Electric GOT1000 Series Connection Manual page 145

RS485 connection diagram 11) (For GT16)
* 2
GOT side
SDA1(TXD1+)
6
SDB1(TXD1-)
8
RDA1(RXD1+)
10
RDB1(RXD1-)
12
SG
2
SDA2(TXD2+)
5
* 3
SDB2(TXD2-)
7
RSA(RTS+)
14
RSB(RTS-)
16
CSA(CTS+)
18
CSB(CTS-)
20
NC
1
NC
3
NC
4
RDA2(RXD2+)
9
RDB2(RXD2-)
11
NC
13
NC
15
NC
17
NC
19
*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: Set the terminating resistor setting switch of the GOT main unit to "100 OHM".
■ Connecting terminating resistors
*3 Connect FG grounding to the single-sided end of a cable shield line.
RS485 connection diagram 12)
* 2
GOT side
SDA
1
SDB
6
RDA 2
RDB 7
SG
5
RSA
3
CSA 4
* 3
RSB 8
CSB
9
*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".
GT14, GT11: Set the terminating resistor selector to "330 ".
■ Connecting terminating resistors
*3 Connect FG grounding to the single-sided end of a cable shield line.
Temperature controller side
terminal for RS-485 port1
RDA1
6
RDB1
7
SDA1
4
SDB1
5
SG1
8
* 3
Terminating resistor (150Ω 1/2W)
Temperature controller
side
terminal for RS-485 port1
RDA1
6
RDB1
7
SDA1
4
SDB1
5
SG1
8
* 3
Terminating resistor (150Ω 1/2W)
3. CONNECTION TO AZBIL CONTROL EQUIPMENT
Temperature controller
terminal for RS-485 port1
6 RDA1
RDB1
7
SDA1
4
SDB1
5
SG1
8
* 1
Temperature controller side
terminal for RS-485 port1
RDA1
6
RDB1
7
4 SDA1
5 SDB1
SG1
8
* 1
3.3 Connection Diagram
1
side
2
3
4
5
6
7
8
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