Mitsubishi Electric GOT2000 Series Connection Manual page 176

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(18) RS485 connection diagram 18)
SDA1(TXD1+)
SDB1(TXD1-)
SDA2(TXD2+)
SDB2(TXD2-)
RDA1(RXD1+)
RDB1(RXD1-)
RSA(RTS+)
RSB(RTS-)
CSA(CTS+)
CSB(CTS-)
NC
SG
NC
NC
RDA2(RXD2+)
RDB2(RXD2-)
NC
NC
NC
NC
*1
*2
*3
*4
3 - 50
3.3 Connection Diagram
* 4
GOT side
6
8
5
7
10
* 3
12
14
16
18
20
1
2
3
4
9
11
13
15
17
19
Pin No. of control equipment differs depending on the model. Refer to the following table
Signal name
DA
DB
SG
Terminating resistor should be provided for an Interface converter and a control equipment which will be terminals.
Connect FG grounding to the single-sided end of a cable shield line.
Set the terminating resistor of GOT as follows.
Set the terminating resistor setting switch of the GOT main unit to "Disable".
➠ ■3.
Connecting terminating resistors
Terminating resistor(150Ω 1/2W)
Control equipment side
* 1
DA
DB
SG
* 3
Model of control equipment
CMS
SDC45/46
CMF015
Pin No.
Pin No.
C10
5
C11
6
C12
10
* 2
Control
equipment
side
1
2
3
MQV
MVF
MPC
Pin No.
Pin No.
7
1
8
2
9
7
* 1
DA
DB
SG
RX
Pin No.
1
2
3

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