Reader/Writer (V720S-BC5D4)
Section 2-1
2-2
2-1 Reader/Writer
(V720S-BC5D4)
2-1-1 Nomenclature
No. Name
Function/description
1
Power connector
Connects 24 VDC.
2 Input/Output
connector
This connector can connect the following signals:
z
External RESET signal input (1 point)
z
User input readable via command (3 points)
z
User output operable via command (4 points)
Host communication
connector
Connects a PLC, PC, or the like to transmit commands to and
receives responses from the Reader/Writer.
COM1
This is a host port used for ordinary communication. The interface
conforms to RS-232C and RS-485, either of which is used selectively
as appropriate.
3
COM2
This port conforms to RS-232C and is solely used for setup. The
RS-232C interface of this port operates independent of the RS-232C
interface of COM1.
The RS-485 pin is provided for extension when multi-dropped
connection is used.
4
Transmitting/receiving
antenna connector (TX/RX
ANT)
Connects an antenna (the V720-HS03 or the like).
5
Receiving antenna
connector (RX ANT)
A receive-only antennal can be connected to this connector. This
connector is provided for special applications, e.g., connection with a
gate antenna. Leave this connector unconnected in normal use.
Indicators
The indicators shows the state of operation, as shown below:
RUN
Green
Turns on when the Reader/Writer is operating normally.
COMM
Green
Turns on when the Reader/Writer is in communications with the Tag.
NORM
Green
Turns on when communication has completed normally.
ERROR Red
z
Turns on when a communication error has occurred.
z
Turns on when a system error has occurred.
IN1 - IN3
Green
Turns on when the input signal is on.
6
OUT1 -
OUT4
Green
Turns on when the output signal is on.
RE
A
DER
/
WRITER
V720S-BC5D4
OMRON Corporation
MADE
IN
JAPAN
RX ANT
TX/RX ANT
24VDC
I/O
COM1
COM2
RUN
COMM
NORM
ERROR
IN1
IN2
IN3
OUT1
OUT2
OUT3
OUT4
1.Power connector
2. I/O connector
3. Host communication connector
5. Receiving
antenna connector
4. Transmitting/receiving
antenna connector
6. Indicators