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Operation
optoCONTROL CLS1000
The controller itself selects the appropriate amplifier level for the given application. Depending on the controller model,
there are up to 9 Teach-in modes for various requirements (or measurement and testing tasks):
- Detecting a threshold value
- Automatic setting of the amplification and switching threshold
- Details of the Teach-in modes:
EMR: End of measuring range(
�
4095 bits of the AD value at the set amplifier level)
MV: Measurement value (AD value that results from the desired goal [e.g. XX % of EMR])
- Various Teach-in modes:
ST
Standard Teach-in
HST
HighSensitive Teach-in
LST
LowSensitive Teach-in
DT
Dark Teach-in
OBT
OptimalBright Teach-in (CLS1000-AU/-AI)
ODT
OptimalDark Teach-in (CLS1000-AU/-AI)
PPT
PeakToPeak Teach-in
2PT
2Point Teach-in
MST
ManualSensitive Teach-in
5.4.3.1 ST/ Standard Teach-in
In Standard Teach-in mode (
ST
), teach-in is based on the desired target. In this context, the controller searches to identi-
fy the amplifier level at which approx. 50 % of the end of measuring range (end of measuring range = 4095) is achieved,
and then sets the threshold value 20 % below the measurement value at the previously determined amplifier level.
1
Measurement value at identified amplifier level
= approx. 2200
2
Switching threshold (20 % below the measure-
ment value)
= approx. 1800
If the target leaves the measuring range and is replaced by another part or gap, the switching threshold is no longer
exceeded and no signal is output. This is represented by the
ON
symbol in the upper corner of the display.
1
ON
symbol
2
Measurement value below switching
threshold
- Reflex mode: A target is detected against a background. The target must be within the visual range of the sensor
during teach-in
- Transmission mode: The target must be outside the visual range of the sensor during teach-in
After teach-in, the measurement value should become smaller if the distance is increased.
5.4.3.2 HST / HighSensitive Teach-in
In HighSensitive teach-in mode (
HST
), the smallest differences in reflectivity are detected. For example, if a black object
is located against a black background, the controller/sensor can only detect this object if its reflectivity differs from the
background.
This teach-in process therefore involves teach-in on a free or very dark (hardly reflective) background. The sensor/con-
troller detects even the smallest reflections in this manner.
For detection, the sensor/controller increases the measurement value to 50 % of EMR (end of measuring range = 4095).
The switching threshold is then set 20 % above the measurement value:
Measurement value 50 % of EMR (4095 * 0.5)
= approx. 2000
Switching threshold (20 % above the measurement value)
= approx. 2500
- In Reflex mode, teach-in is done on a free or very dark background (without a target)
- In Transmission mode, teach-in is done on the target to be detected.
