Mitsubishi Electric GOT2000 Connection Manual page 138

(18) RS485 connection diagram 18)
* 4
GOT side
SDA1(TXD1+)
6
SDB1(TXD1-)
8
SDA2(TXD2+)
5
SDB2(TXD2-)
7
RDA1(RXD1+)
10
RDB1(RXD1-)
12
RSA(RTS+)
14
RSB(RTS-)
16
CSA(CTS+)
18
CSB(CTS-)
20
NC
1
SG
2
NC
3
NC
4
RDA2(RXD2+)
9
RDB2(RXD2-)
11
NC
13
NC
15
NC
17
NC
19
*1 Pin No. of control equipment differs depending on the model. Refer to the following table
Signal name
DA
DB
SG
*2 Terminating resistor should be provided for an Interface converter and a control equipment which will be terminals.
*3 Connect FG grounding to the single-sided end of a cable shield line.
*4 Set the terminating resistor of GOT as follows.
Set the terminating resistor setting switch of the GOT main unit to "Disable".
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3. CONNECTION TO AZBIL CONTROL EQUIPMENT
3.3 Connection Diagram
Terminating resistor(150Ω 1/2W)
Control equipment side
* 1
DA
DB
SG
* 3
Model of control equipment
CMS MQV
SDC45/46
CMF015 MPC
Pin No. Pin No. Pin No.
C10 5
C11 6
C12 10
■ Connecting terminating resistors
* 2
* 3
MVF RX
Pin No. Pin No.
7 1 1
8 2 2
9 7 3
Control
equipment
side
* 1
DA
1
DB
2
SG
3