KEYENCE LK-3100 - Manual (Page 20)

20
Timing diagram
• Laser emission only starts approximately 3 seconds after the laser
emission stop input terminal is connected.
• While the timing input is connected, laser emission stops. The analog
output will hold the last value before the timing input signal turns on.
INPUT CHARACTERISTICS
Analog
output
ON (CLOSED)
OFF (OPEN)
Laser
emission
stop input
Synchronous
(timing) input
AUTO ZERO
input
Minimum input time
Synchronous (timing) input
AUTO ZERO input
Note: According to the settings of the sampling cycle and response
speed, the analog output is retained for the time A, shown in the figure,
after the synchronous input terminal is disconnected.
A 4 ms
ON
(CLOSED)
OFF
(OPEN)
A (ms)
HIGH LOW
128 µs 6 7
256 µs 7 9
512 µs 10 15
2048 µs 30 45
Sampling
cycle
60 ms 30 ms
ON
(CLOSED)
OFF
(OPEN)
12 V
0 V
ON (CLOSED)
OFF (OPEN)
ON (CLOSED)
OFF (OPEN)