Autonics BF4G Ürün Kılavuzu - Sayfa 4
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Sensitivity Setting Output (Answer back)
• When ON or OFF input of remote sensitivity setting is applied, after approx. 300 ms, the
answer back function activates for 40 ms to alert detectable state. Be sure to maintain
the value of received light level about 300 ms.
• The answer back function deactivates under unstable sensing performance. But ON
or OFF input of remote sensitivity setting is applied, after 340 ms, it is possible to the
detectable state.
• Refer to the timing chart below. This is based on the Light ON.
ON
Power
OFF
High
Remote sensitivity setting
ON input
Low
High
Remote sensitivity setting
OFF input
Low
ON
Sensitivity setting output
(Answer back)
OFF
Sensing state
01) After the power on, it can be set after about 1 sec: T1 ≥ 1,000 ms
02) Input time of the remote sensitivity setting: T2 ≥ 5 ms
03) When ON input of remote sensitivity setting is applied, and after 500 ms, apply OFF input of remote
sensitivity setting.
Timer Operation Mode
• You can select the operation mode of the timer via the setting switch for the timer.
• OFF Delay mode: delay the OFF timing of the control output about 40 ms (fixed).
Timer
Setting
Operation
mode
switch
mode
Light ON
Timer OFF
Dark ON
Light ON
OFF Delay
Dark ON
• T: ≈ 40 ms
Mutual Interference Prevention
• Different transmission frequencies make 2 amplifiers to be mounted very closely.
• Response time: frequency 1 ≤ 0.5 ms, frequency 2 ≤ 0.7 ms
STEP
Amplifier 1 (frequency 1) Amplifier 2 (frequency 2)
Select [SET] on the setting switch for the mode.
01
Press [ON] and [OFF] buttons at the same time for 2 sec.
02
The stability indicator (green) flashes.
03
Press [ON] button.
04
-
The stability indicator (green) turns OFF.
06
Select [LOCK] on the setting switch for the mode.
T1
T2
01)
02)
T3
T2
03)
02)
300 ms
300 ms
40 ms
40 ms
Detectable
Received
Interrupted
ON
OFF
ON
OFF
ON
T
T
OFF
ON
T
OFF
Press [OFF] button.
Self-diagnosis Output
• The output of self-diagnosis turns ON in these conditions: the contaminated hood of
fiber optic units, lowered light level of the emitter, missing of the optical axis, overload,
and short of control output.
• Refer to the operation timing chart below. This is based on the Light ON.
• The output of self-diagnosis turns ON when the sensing state remains over 300 ms
under unstable light level, whereas, the output turns OFF under the stable level
(section ①).
Received
light
300 ms
External Synchronization Input
• For wiring, refer to the 'Connections.'
• You can select the synchronization input type and control the timing of the control
output via the switch for the external synchronization input.
External
Synchronization
synchronization
input
setting switch
Trigger
synchronization
Gate
synchronization
T
01) Sensing signal: the state that the sensing signal is unreached the control output.
• T ≥ 0.5 ms (when using the mutual interference prevention: T ≥ 0.7 ms)
Emitter OFF
• For wiring, refer to the 'Connections.'
• This function helps to check the sensor operates in a normal state and is activated
when the light is received.
Input of the emitter OFF
High or Open
Low
High
Input of emitter OFF
Control output
• Control output: Dark ON mode
• T ≥ 0.5 ms (when using the mutual interference prevention: T ≥ 0.7 ms)
• Error state of the sensor: when the control output dose not turn ON
①
①
300 ms
Timing chart
ON
Sensing signal
01)
OFF
External
High
synchronization
Low
input
ON
Control output
OFF
ON
Sensing signal
01)
OFF
External
High
synchronization
Low
input
ON
Control output
OFF
Function
Activate emitting
Stop emitting
Low
T
T
ON
OFF
Error
Normal
Stable
light ON area
Unstable
light ON area
Operation
level
Unstable
light OFF area
Stable
light OFF area
Operation indicator
ON
OFF
(red)
ON
Stability indicator
OFF
(green)
ON
Self-diagnosis output
OFF
T
40 ms
T
T