Timer operation
Sensing condition
Output operation
Beam-received
Beam-interrupted
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
(Without timer)
L-ON
(ON-delay)
D-ON
L-ON
D-ON
L-ON
D-ON
L-ON
D-ON
L-ON
D-ON
L-ON
D-ON
(OFF-delay)
(ONE SHOT)
(ON-delay • OFF-delay)
(ON-delay • ONE SHOT)
T1
T1
T1
T1
T1
T1T2
T2
T2
T1
T1
T1
T1
T2
T1
T2
T1
T2
Available timer periods are:
FX-301(P)(-HS) Timer period T1, T20.5 ms, 1 to 9,999 ms
FX-305(P) Timer period; output 1: T1, T20.5 ms, 1 to 9,999 ms
output 2: T1, T20.5 ms, 1 to 500 ms
OFF-delay timer period
OFF-delay timer period
ON-delay timer period
ON-delay timer period
ON-delay timer period
Pulse width of ONE SHOT
Pulse width of ONE SHOT
T1 T2
* OFF-delay : Extends the output signal for a fixed period of time.
This function is useful if the output signal is so short that the connected device
cannot respond.
ON-delay : Neglects short output signals. As only long signals are extracted, this function
is useful for detecting if a line is clogged, or for sensing only objects taking a
long time to travel.
ONE SHOT: Outputs a fixed width signal upon sensing.
This function is useful when the input specifications of the connected device
require a signal of fixed width.
ON-delay • OFF-delay : The ON-delay and the OFF-delay timer functions can operate
simultaneously.
ON-delay • ONE SHOT: The ON-delay and the ONE SHOT timer functions can operate
simultaneously.
: Hysteresis Function
Selects the hysteresis from among three different levels (small / standard / large).
* The factory setting is ‘H-02 (standard)’.
Refer to p.31 for setting procedure
* (small) : The optimal limit of detection range
(standard) : Standard
(large) : Capability of detecting sensing objects having
a vibratory motion
: Stability Function
Permits selection from among three different stability indicator response levels
(margin width:
5 % / 10 % / 15 % ), for changes in the range of incident light.
* The factory setting is ‘S-02 (margin width:
10 %)’.
Refer to p.32 for setting procedure
Range of incident light
of stability indicator
* S-01: large range for lighting up
of stability indicator
5 %
S-02: medium range for lighting
up of stability indicator
10 %
S-03: small range for lighting up
of stability indicator
15 %
0
Light received
operation
Light interrupted
operation
Lights upLights offLight up
Incident
light margin
Output operation
Operation of stability indicator
Light interruption
margin
Incident light intensity
4,000
Threshold
value
Time chart (common to FX-301(P)(-HS)/305(P); however, only the FX-305(P) is
equipped with ON-delay / OFF-delay and ON-delay • ONE SHOT timers.
FX-301(P)(-HS) only
25
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