Download 2 - Idec

3 OMRON
● Connection Diagram 3:
RS422 Link unit
PLC(RS422/485):
D-sub 9-pin Female Connector
Name
FG
SDA(SD-)
SDB(SD+)
RDA(RD-)
RDB(RD+)
Pin No.
7
9
5
6
1
HG2G-5T:
Terminal block
Shield Wire
Pin No.
8
9
6
7
5
Name
RDA(RD+)
RDB(RD-)
SDA(SD+)
SDB(SD-)
SG
2
There is no pin number corresponding to TERM on the HG2G-5T. When inserting a termination resistor,
use a Terminating Resistor Selector Switch. For the setting of the switch, refer to Chapter 1 “3 Important
Points Regarding Wiring” on page 1-4.
● Connection Diagram 4:
CPU Unit Link Interface
PLC(RS232C):
D-sub 9-pin Female Connector
Name
FG
SD
RD
RS
CS
DR
SG
Pin No.
1
2
3
4
5
6
7
● Connection Diagram 5:
HG2G-5T:
Terminal block
Shield Wire
Pin No.
1
2
3
4
5
9
● Connection Diagram 6:
HG2G-5T:
Terminal block
Shield Wire
Pin No.
1
2
3
4
5
7
8
9
Pin No.
1
2
3
4
5
Name
SD
RD
RS
CS
SG
PLC (RS232C) Interface
PLC(RS232C):
D-sub 9-pin Female Connector
Name
FG
SD
RD
RS
CS
DR
ER
SG
Name
SD
RD
RS
CS
SG
CPU Unit Link Interface
PLC(RS232C):
D-sub 9-pin Female Connector
Name
FG
SD
RD
RS
CS
SG
Pin No.
1
2
3
4
5
HG2G-5T:
Terminal block
Shield Wire
Pin No.
1
2
3
4
5
Name
SD
RD
RS
CS
SG
WindO/I-NV4 External Device Setup Manual
2-59
Connection to External Devices
We recommend that you switch on the termination resistor on the PLC Link Unit side for long-distance
transmission.