Rs-485 Cable - Mitsubishi Electric GOT2000 Series Connection Manual

15.3.3

RS-485 cable

■1. Connection diagram
(1) RS-485 connection diagram 1)
*1 The details of the connection on the PLC are shown below.
Communication cassette: AFP7CCM1([RS-485] is selected), AFP7CCM2 of CH1([RS-485] is selected), AFP7CCM2 of CH2([RS-
485] 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: Connecting terminating resistors "110Ω"
(2) RS-485 connection diagram 2)
*1 The details of the connection on the PLC are shown below.
Communication cassette: AFP7CCM1([RS-485] is selected), AFP7CCM2 of CH1([RS-485] is selected), AFP7CCM2 of CH2([RS-
485] is selected)
*2 Set the terminating resistor settings of the PLC side to [ON].
*3 Set the terminating resistor settings of the GOT side to "110Ω".
*4 The signals RSA, RSB, CSA, and CSB are not provided for
*3
GOT side
SDA
1
SDB
6
RDA
2
RDB
7
SG
5
RSA
3
RSB
8
CSA
4
CSB
9
* 3
GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
*4
RSA
*4
RSB
*4
CSA
*4
CSB
*1*2
PLC side
+/S
-/S
+/R
-/R
*1*2
PLC side
+/S
-/S
+/R
-/R
. Return connection is not required.
15.3 Connection Diagram
15
15 - 35