Mitsubishi Electric GOT1000 Series Connection Manual page 159

RS485 connection diagram 33)
* 4
GOT side
SDA
SDB
RDA
RDB
* 3
SG
*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 2-wire/4-wire terminating resistor setting switch of the RS-232/485 signal conversion adaptor as follows.
2-wire type/4-wire type: 2-wire type (1Pair)
Terminating resistor

Precautions when preparing a cable
(1) Cable length
The length of the RS-485 cable must be 500m or less.
(2) GOT side connector
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
(3) AZBIL control equipment side connector
Use the connector compatible with the AZBIL control
equipment side module.
For details, refer to the user's manual of the AZBIL
control equipment.

Connecting terminating resistors
(1) GOT side
When connecting a PLC to the GOT, a terminating
resistor must be connected to the GOT.
(a) For GT16, GT15, GT12
Set the terminating resistor by operating the
terminating resistor setting switch.
(b) For GT14, GT11
Set the terminating resistor by operating the
terminating resistor selector switch.
For the procedure to set the terminating resistor, refer
to the following.
1.4.3 Terminating resistors of GOT
(2) AZBIL control equipment side
When connecting a AZBIL control equipment to the
GOT, a terminating resistor must be connected.
3.5 Control Equipment Side Setting
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 7
C11 6 8
C12 10 9
: OPEN
1.4.4 Setting the RS-232/485 signal conversion adaptor
3. CONNECTION TO AZBIL CONTROL EQUIPMENT
* 2
Control
equipment
side
* 1
DA
DB
SG
MVF RX
Pin No. Pin No.
1 1
2 2
7 3
3.3 Connection Diagram
1
2
3
4
5
6
7
8
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