Mitsubishi Electric GOT2000 Series Connection Manual page 420

(10) RS-422 connection diagram 10)
*1
(11) RS-422 connection diagram 11)
*1
■2. Precautions when preparing a cable
(1) Cable length
The length of the RS-422 cable must be within the maximum distance specifications.
(2) GOT side connector
For the GOT side connector, refer to the following.
➠
■3. Connecting terminating resistors
(1) GOT side
When connecting a PLC to the GOT, a terminating resistor must be connected to the GOT.
(a) For GT27, GT25(Except GT2505-V), GT23
Set the terminating resistor setting switch of the GOT main unit to "Disable".
(b) For GT2505-V, GT21
Set the terminating resistor selector to "330Ω ".
For the procedure to set the terminating resistor, refer to the following.
➠
6 - 46
6.3 Connection Diagram
GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
* 1
RSA
* 1
RSB
* 1
CSA
* 1
CSB
The signals RSA, RSB, CSA, and CSB are not provided for
GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
* 1
RSA
* 1
RSB
* 1
CSA
* 1
CSB
The signals RSA, RSB, CSA, and CSB are not provided for
1.4.1 GOT connector specifications
1.4.3 Terminating resistors of GOT
Q170MIOCBL1M-B side
1 SDA
6 SDB
2 RDA
7
RDB
5 SG
3
RSA
8
RSB
4
CSA
9
CSB
. Return connection is not required.
United wire color of
Q170MIOCBL1M-A
Yellow(Dot mark:Black)
Yellow(Dot mark:Red)
Pink(Dot mark:Black)
Pink(Dot mark:Red)
White(Dot mark:Black)
White(Dot mark:Red)
. Return connection is not required.