Datalogic S70 Manuale - Pagina 6

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Datalogic S70 Manuale
2. Teach the first condition.
Method
SET Button
Remote Input
3. Teach the second condition.
Method
SET Button
Remote Input
4. Return to Run mode.
Method
SET Button
Remote Input

Dynamic TEACH

•
Teaches on-the-fly
•
Establishes a single switching threshold
•
Threshold can be adjusted using "+" and "-" Navigation key (Manual Adjust)
Dynamic TEACH is best used when a machine or process may not be stopped for teaching. The sensor learns during actual sensing
conditions, taking multiple samples of the light and dark conditions and automatically setting the threshold at the optimum level (see Fig.3).
The output ON and OFF conditions can be reversed using the LO/DO switch (see LO/DO Switch in
See
Troubleshooting
on page 16 for more explanation of the % Minimum Difference displayed after the Two-Point TEACH method
4
Action
a. Present the first condition.
b. Click the SET Navigation key
a. Present the first condition
b. Single-pulse the remote input
NOTE: Negative pulse for NPN models, positive pulse for PNP models.
Action
a. Present the second condition.
b. Click the SET Navigation key.
a. Present the second condition.
b. Single-pulse the remote input.
Action
Move the Mode switch to RUN
No action is required; sensor returns to
RUN mode automatically
Darkest Taught
Condition
between taught conditions
Output OFF
Darkest
(no signal)
Figure 3. Dynamic TEACH (Light Operate shown)
T
Lightest Taught
Condition
Sensor positions
threshold midway
Output ON
Position
Most Light
adjusted by
(saturated
Manual Adjust
signal)
6
Result
Display: Flashes "2Pt tch" then holds
on "1234 2nd"
Result
TEACH Accepted
Displays alternate "PASS" and %
Minimum Difference 4 ; Sensor returns
to Adjust mode
TEACH Not Accepted
Displays alternate "FAIL" and %
Minimum Difference 4 ; Sensor returns
to Adjust mode
Result
Display: Red - Signal Level;
Green - Threshold
Top Panel
Interface).