V740 RFID READER/WRITER, ANTENNA
2005-09, REV0.1
OPERATION MANUAL
12 of 56
©OMRON CORPORATION 2005
LED Indicators
Name Meaning
POWER
Lights while booting.
Blinks when the reader is running.
MODULE A
Lights when communicating with tags
via MODULE A(Antenna port 1 and 2)
MODULE B
Lights when communicating with tags
via MODULE B(Antenna port 3 and 4)
FAULT/ERROR
Lights when system error occurs.
STATUS
Reserved for Future Use
ACTIVITY
Reserved for Future Use
IMPORTANT:
DO NOT disconnect power during
startup. Disconnecting power while booting the V740
reader may result in improper startup.
1.3.4 I/O Interface
The Reader provides control of and response to the
I/O(Input/Output) lines.
I/O connector is D-sub(9pin) Male connector.
Name
Pin No.
IN/OUT Interface
I/O_0
6 OUT
I/O_1
1 OUT
I/O_2
9 OUT
Open-collector output
24VDC maximum,
20mA maximum
I/O_3
4 IN
I/O_4
7 IN
Photo-coupler input
Control capacity
20mA maximum
5~10mA typical
Internal resistance
360ohm
360
Ω
V740 Reader
Open-collector output
24VDC max.
20mA max.
Photo-coupler input
Control capacity
20mA max.
5~10mA typ.
Internal resistance 360ohm