Sensor positions

threshold exactly at

the presented condition

Threshold position

adjusted by

Manual Adjust

Darkest

(no signal)

Most Light

(saturated

signal)

Output OFF

Output ON

Condition

Presented

Figure 11. Calibration SET (Light Operate shown)

Troubleshooting

Manual Adjustments Disabled

Manual adjustments are disabled when Auto Thresholds are ON. If a manual adjustment is attempted while Auto Thresholds are

ON, the Green display will flash

.

Percent Minimum Difference after TEACH

The Two-Point and Dynamic TEACH methods will flash a % minimum difference on the displays after a PASS or FAIL.

Value

PASS/FAIL

Description

0 to 99%

FAIL

The difference of the taught conditions does not meet the required minimum

100 to 300%

PASS

The difference of the taught conditions just meets/exceeds the required minimum, minor

sensing variables may affect sensing reliability

300 to 600%

PASS

The difference of the taught conditions sufficiently exceeds the required minimum, minor

sensing variables will not affect sensing reliability

600% +

PASS

The difference of the taught conditions greatly exceeds the required minimum, very stable

operation

Percent Offset after SET

The Window, Dark, and Light SET methods will flash a % offset on the displays after a PASS or FAIL.

SET Result

% Offset Meaning

PASS (with % Offset)

Displays the % offset used for the SET method

FAIL (with % Offset)

Displays the minimum required % offset necessary to PASS the SET method

FAIL (without % Offset)

Presented condition cannot be used for the SET method

Threshold Alert or Threshold Error

Severe contamination/changes in the taught condition can prevent the Auto Thresholds algorithm from optimizing the threshold(s).

State

Display

Description

Corrective Action

Threshold Alert

Alternates

and

The threshold(s) cannot be optimized,

but the sensor's output will still

continue to function

Cleaning/correcting the sensing

environment and/or a re-teach of the

sensor is highly recommended

Threshold Error

The threshold(s) cannot be optimized,

and the sensor's output will stop

functioning

Cleaning/correcting the sensing

environment and/or a re-teach of the

sensor is required

P/N 193601 Rev. B

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