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System Configuration
Section 1-2
1-4
1-2-2
Example of 1-to-N System Configuration (V720-CD2D)
The Controller’s built-in RS-485 interface allows the connection of up to 10
Controllers to a single host device, such as a general-purpose computer or a
PLC. The RS-485 cable can be extended up to a total length of 300
m.
Host
Note The RS-232C interface does not support 1-to-N connections. Therefore, it is
necessary to employ appropriate interfaces for data conversion, such as an
RS-232C to RS-485 Converter. Use OMRON’s RS-232C to RS-485
Converters or equivalent models. If connecting a 2-wire system between the
Controller and the host using an RS-232C to RS-485 Converter, switch the
host to receive within 5 ms after sending a command to the Controller.
Failure to do so may result in loss of communications with the Controller.
0 1
2
3
45
6
7
8
9
0 1
2
3
45
6
7
8
9
SW1
SW2
SW3
SW4
V 7 2 0 - C D 2 D
ID CONTROLLER
24VDC 20W
RUN
COMM
NORM
ERR
R/W
ANTENNA
RS-485
COM
RST
GR
+ SYNC Ð
MADE IN JAPAN
24VDC
0 1
2
3
45
6
7
8
9
0 1
2
3
45
6
7
8
9
SW1
SW2
SW3
SW4
V 7 2 0 - C D 2 D
ID CONTROLLER
24VDC 20W
RUN
COMM
NORM
ERR
R/W
ANTENNA
RS-485
COM
RST
GR
+ SYNC Ð
MADE IN JAPAN
24VDC
0 1
2
3
45
6
7
8
9
0 1
2
3
45
6
7
8
9
SW1
SW2
SW3
SW4
V 7 2 0 - C D 2 D
ID CONTROLLER
24VDC 20W
RUN
COMM
NORM
ERR
R/W
ANTENNA
RS-485
COM
RST
GR
+ SYNC Ð
MADE IN JAPAN
24VDC
Desktop Personal Computer
Notebook Personal Computer
PLC
RS-485
RS-485
RS-485
V720-CD2D
V720-CD2D
V720-CD2D
V720-H01
V720-H01
V720-H01
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Содержание V720 Series
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