Connection Diagram - Mitsubishi Electric GOT1000 Series Connection Manual

7.3 Connection Diagram

The following diagram shows the connection between the
GOT and the PLC.
7.3.1 RS-232 cable

Connection diagram
RS232 connection diagram 1)
GOT side
* 1
CD/NC
1
RD(RXD)
2
SD(TXD)
3
ER(DTR)
4
SG
5
DR(DSR)
6
RS(RTS)
7
CS(CTS)
8
-
9
*1 GT16: CD, GT15: CD, GT14:NC, GT12:NC, GT11: NC
*2 Connect FG grounding to the appropriate part of a cable
shield line.
*3 For U-01DM and D2-DCM, the signal name will be +5V.
RS232 connection diagram 3)
GOT side
* 1
CD/NC
1
RD(RXD)
2
SD(TXD)
3
ER(DTR)
4
SG
5
DR(DSR)
6
RS(RTS)
7
CS(CTS)
8
-
9
*1 GT16: CD, GT15: CD, GT14:NC, GT12:NC, GT11: NC
*2 Connect FG grounding to the appropriate part of a cable
shield line.

Precautions when preparing a cable
(1) Cable length
The length of the RS-232 cable must be 15m or less.
(2) GOT side connector
For the GOT side connector, refer to the following.
1.4.1 GOT connector specifications
(3) KOYO EI PLC side connector
Use the connector compatible with the KOYO EI PLC
side.
For details, refer to the KOYO EI PLC user's manual.
7 - 14
7. CONNECTION TO KOYO EI PLC
7.3 Connection Diagram
KOYO EI PLC side
-
1
TXD
2
RXD
3
RTS
4
0V
7
CTS
5
* 3
-
6
-
8 to 25
* 2
KOYO EI PLC side
5V
1
TXD
2
RXD
3
RTS
4
0V
7
CTS
5
-
6
0V
8
* 2
-
9 to 15
7.3.2 RS-422 cable

Connection diagram
RS422 connection diagram 1)
GOT side
RDA1(RXD1+)
3
RDB1(RXD1-)
4
SDA1(TXD1+)
1
SDB1(TXD1-)
2
RSA(RTS+)
9
RSB(RTS-)
10
CSA(CTS+)
11
CSB(CTS-)
12
SG
13
SDA2(TXD2+)
5
SDB2(TXD2-)
6
RDA2(RXD2+)
7
RDB2(RXD2-)
8
NC
14
Shell
*1 Connect FG grounding to the appropriate part of a cable
shield line.
*2 Connect a terminating resistor (approximately 150 ) to the
PLC at a terminal station.
RS422 connection diagram 2)
GOT side
RDA1(RXD1+)
3
RDB1(RXD1-)
4
SDA1(TXD1+)
1
SDB1(TXD1-)
2
RSA(RTS+)
9
RSB(RTS-)
10
CSA(CTS+)
11
CSB(CTS-)
12
SG
13
SDA2(TXD2+)
5
SDB2(TXD2-)
6
RDA2(RXD2+)
7
RDB2(RXD2-)
8
NC
14
Shell
*1 Connect FG grounding to the appropriate part of a cable
shield line.
*2 Connect a terminating resistor (approximately 150 ) to the
PLC at a terminal station.
KOYO EI PLC side
+TXD
14
-TXD
16
+RXD
9
-RXD
10
-
1 to 6
* 2
-
8
-
12
-
13
SG
7
-
15
-
17
-RTS
18
+RTS
19
-
20 to 22
-CTS
23
+CTS
11
* 1
-
24, 25
KOYO EI PLC side
+TXD3
12
-TXD3
13
+RXD3
24
-RXD3
25
-
1 to 6
* 2
-
8 to 11
-
14 to 23
-
-
SG
7
* 1