Omron V680 Series User Manual page 75

Auto Mode (500-ms Output Time)
The timing chart for Auto Mode with a 500-ms output time is shown in the following figure.
Mode Switch Settings 0 to 2 (4-byte, 26-byte, and 58-byte Access Mode)
Communications
ID Tag
Range
INHIBIT
RUN
BUSY
NORMAL
ERROR
72_ERR
ID
A B C
A: The PLC turns ON INHIBIT, and sends the execution command to the ID Slave.
B: The ID Slave checks that INHIBIT is ON, determines the CMD (command), LEN (data length), and
ADDR (start address), and then turns ON BUSY.
C: The ID Slave starts communications with an ID Tag when one enters the Antenna's communications
range.
D: The ID Slave turns ON NORMAL when communications with the ID Tag ends normally.
E: The ID Tag moves out of the Antenna's communications range.
F: The ID Slave waits for the ID Tag to leave the Antenna's communications range, and then turns OFF
the result output 500 ms afterward.
G: The ID Slave starts communications with the ID Tag when one enters the Antenna's communications
range.
H: The ID Slave turns ON NORMAL when communications with the ID Tag ends normally.
I: The ID Slave waits for the ID Tag to move outside the Antenna's communications range, and then
turns ON the result output 500 ms afterward.
J: The PLC sets INHIBIT to 0 (OFF) to prevent command execution by the ID Slave.
K: The ID Slave confirms that INHIBIT is OFF, and then turns OFF BUSY.
500 ms
D E F
I/O Settings and Control Methods
Communications
Range
500 ms
H I
G
Section 5
K
J L
RFID System
User's Manual
73