Datalogic S70 Manual - Página 5
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ADJUST MODE
Sliding the RUN/PRG/ADJ mode switch to the ADJ position allows the user to perform Expert TEACH/SET methods and Manual Adjustment
of the threshold(s).
Two-Point TEACH
•
Establishes a single switching threshold
•
Threshold can be adjusted using "+" and "-" Navigation key (Manual Adjust)
Two-Point TEACH is used when two conditions can be presented statically to the sensor.
The sensor locates a single sensing threshold (the switch point) midway between the two taught conditions, with the Output ON condition on
one side, and the Output OFF condition on the other (see Fig.2).
The Output ON and OFF conditions can be reversed by using the LO/DO (Light Operate / Dark Operate) switch
(see LO/DO Switch in
Top Panel
Two-Point TEACH and Manual Adjust
Moves switching threshold value up or down to make adjustments
•
Slide Mode switch to ADJ to enter Adjust mode
•
Press "+" to increase; press "-" to decrease
- GREEN display shows the switching threshold value
- 2 seconds after adjustment, the GREEN display will flash 3 times to confirm
•
Slide Mode switch to RUN to complete operation
Remember: Manual adjustments are disabled when Auto Thresholds are ON
Follow these steps to perform a Two-Point TEACH:
NOTE: TEACH Selection must be programmed to 2Pt tcH (see
1. Enter Adjust mode.
Method
SET Button 2
Remote Input 3
SET Button: 0.04 seconds "Click" 0.8 seconds
2
Remote Input: 0.04 seconds T 0.8 seconds
3
Darkest Taught
Condition
between taught conditions
Output OFF
Darkest
(no signal)
Figure 2. Two-Point TEACH (Light Operate shown)
Interface).
Action
Set the Mode switch to ADJ.
No action is required; sensor is ready for
the Two-Point TEACH method
Lightest Taught
Condition
Sensor positions
threshold midway
Output ON
Position
Most Light
adjusted by
(saturated
Manual Adjust
signal)
Program
Mode)
5
Result
Display: Red - Signal Level;
Green - Threshold