Rs-422 Cable - Mitsubishi Electric GOT2000 Series Connection Manual

15.3.2

RS-422 cable

■1. Connection diagram
(1) RS-422 connection diagram 1)
(2) RS-422 connection diagram 2)
*1 The signals RSA, RSB, CSA, and CSB are not provided for
(3) RS-422 connection diagram 3)
*1 The details of the connection on the PLC are shown below.
Communication cassette: AFP7CCM1, AFP7CCM2 of CH1([RS-422] is selected), AFP7CCM2 of CH2([RS-422] is selected)
*2 Set the terminating resistor settings of the PLC side to [ON].
*3 For the GOT side terminating resistor settings, refer to the following.
GT27, GT25(Except GT2505-V), GT23: Connecting terminating resistors "Disable"
GT2505-V, GT21, GS: Connecting terminating resistors "330Ω"
GOT side
SDA
1
RDA
2
RSA
3
CSA
4
SG
5
SDB
6
RDB
7
RSB
8
CSB
9
FG
-
GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
* 1
RSA
* 1
RSB
* 1
CSA
* 1
CSB
* 3
GOT side
SDA
1
RDA
2
RSA
3
CSA
4
SG
5
SDB
6
RDB
7
RSB
8
CSB
9
FG
-
PLC side
Receive data(+)
R+
Send data(+)
S+
Receive data(-)
R-
Send data(-)
S-
PLC side
R+
Receive data(+)
R-
Receive data(-)
S+
Send data(+)
S-
Send data(-)
.Return connection is not required.
* 1*2
PLC side
+/R
+/S
-/R
-/S
15.3 Connection Diagram
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