Mitsubishi Electric GT16 User Manual page 1021

Got1000 series
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RS485 connection diagram 5)
RS232C/RS485
* 2
interface converter
RDA(-)
3
RDB(+)
4
SDB(+)
2
SDA(-)
1
SG
5
GND
6
*1
Terminating resistor should be provided for a temperature controller which will be a terminal.
*2
Turn on the terminating switch on the RS232C/RS485 converter at the end.
*3
Connect FG grounding to the appropriate part of a cable shield line.
RS485 connection diagram 6)
Connector conversion
* 2
box
side
SDA
1
SDB
6
RDA
2
RDB
7
SG
5
RSA
3
CSA
4
RSB
8
CSB
9
FG
-
*1
Terminating resistor (100
*2
Set the terminating resistor setting switch of the GOT main unit to "Enable".
*3
Connect FG grounding to the appropriate part of a cable shield line.
Precautions when preparing a cable
(1) Cable length
(a) The length of the RS-485 cable used for
connecting the temperature controller to the
communication converter
The length of the RS-485 cable must be 1200m or
less.
(b) The length of the RS-485 cable used for
connecting the temperature controller 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.
6.7 Connector Conversion Box
(3) YOKOGAWA temperature controller side connector
Use the connector compatible with the YOKOGAWA
temperature controller side.
For details, refer to the user's manual of the
YOKOGAWA temperature controller.
Temperature controller
TX-
6
TX+
4
RX+
3
RX-
5
SG
2
* 3
Terminating resistor (220Ω 1/4W)
Temperature controller
RX+
3
RX-
5
TX+
4
TX-
6
SG
2
* 3
1/2W) should be provided for a temperature controller which will be a terminal.
51. CONNECTION TO YOKOGAWA TEMPERATURE CONTROLLER
Temperature controller
* 3
* 1
Temperature controller
3
5
4
6
2
* 3
* 1
Terminating resistor
Connecting terminating resistors
(1) GOT side
When connecting a PLC to the GOT, a terminating
resistor must be connected to the GOT.
For the procedure to set the terminating resistor, refer
to the following.
4.2 Back Panel
(2) YOKOGAWA temperature controller side
When connecting a YOKOGAWA temperature
controller to the GOT, a terminating resistor must be
connected.
51.5 Temperature Controller Side Setting
51.3 Connection diagram
TX-
6
TX+
4
RX+
3
RX-
5
SG
2
RX+
RX-
TX+
TX-
SG
44
45
46
47
48
49
50
51
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