Mitsubishi Electric GT14 User Manual page 1231

RS485 connection diagram 9)
Interface
converter side
*4
(CMC10L)
DA
11
DB
12
SG
13
*1 Pin No. of control equipment differs depending on the model. Refer to the following table.
Signal
name
*2 Terminating resistors should be provided for an Interface converter and control equipment which will be terminals.
*3 Connect FG grounding to the single-sided end of a cable shield line.
*4 Since the Interface converter has a built-in terminating resistor, set the terminating resistor of GOT to "Enable".
For details of terminating resistor settings, refer to the following.

Precautions when preparing a cable
(1) Cable length
(a) The length of the RS-485 cable used for
connecting the control equipment to the
communication converter
The length of the RS-485 cable must be 500m or
less.
(b) The length of the RS-485 cable used for
connecting the connected equipment to the GOT.
The total distance (between GOT and controllers)
of RS-485 cable must be 13m or less.
(2) Connector conversion box side connector
For the connector conversion box side connector, refer
to the following.
6.6 Connector Conversion Box
(3) External cable side connector
For the connector specifications of the external cable
side, refer to the following.
8.2 External Cable, Relay Cable
(4) 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) AZBIL control equipment side
When connecting an AZBIL control equipment to the
GOT, a terminating resistor must be connected.
52.5 Control Equipment Side Setting
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.
DA C10 5
DB C11 6
SG C12 10
52.5.5 Connecting to CMC10L
52. CONNECTION TO AZBIL CONTROL EQUIPMENT
* 2
Control equipment
side
DA
DB
SG
* 3
MQV
MVF RX
MPC
Pin No. Pin No. Pin No.
7 1 1
8 2 2
9 7 3
52.3 Connection Diagram
* 1
52 - 35
48
49
50
51
52
53
54
55