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Sensor positions
threshold a programmable
% offset above the
presented condition
Threshold position
adjusted by
Manual Adjust
Darkest
(no signal)
Most Light
(saturated
signal)
Output OFF
Output ON
Condition
Presented
Figure 13. Dark SET (Light Operate shown)
Dark SET 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 Dark SET:
Note: TEACH Selection must be programmed to dr SEt.
1. Enter Adjust Mode.
Method
Action
Result
SET Button 17
Set Mode switch to ADJ
Display: Red - Signal Level; Green -
Threshold
Remote Input 18
No action required; sensor is ready for
Dark SET method
2. SET Sensing Condition.
Method
Action
Result
SET Button
•
Present sensing condition
•
Click the SET rocker button
Threshold Condition Accepted
Displays read "dr SEt" then alternate
"PASS" with % Offset19; Sensor
returns to Adjust mode
Threshold Condition Not Accepted
Displays read "dr SEt" then alternate
"FAIL" with minimum % Offset19 for
sensing condition; Sensor returns to
Adjust mode
Remote Input
•
Present sensing condition
•
Single-pulse the remote input
T
17 SET Button: 0.04 seconds ≤ "Click" ≤ 0.8 seconds
18 Remote Input: 0.04 seconds ≤ T ≤ 0.8 seconds
19 See
on page 22 for more explanation of the % Offset displayed after the Dark SET method
DF-G3 Long Range Expert Dual Display Fiber Amplifier with Dual Discrete Outputs and IO Link
20
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