Note: For the Dual Output models, when teaching CH2, the gain setting will be the same as the gain
setting made during the CH1 teach. Reteaching CH1 may invalidate the previous CH2 teach.
3.5.1 TEACH Procedures
The instruction manual has detailed instructions for these TEACH modes:
• Two-Point TEACH
• Dynamic TEACH
• Window SET
• Light SET
• Dark SET
• Calibration SET
Two-Point TEACH
• Establishes a single switching threshold
• Threshold can be adjusted by using the "+" and "-" rocker button (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.
Sensor positions
threshold midway
between taught conditions
Darkest
(no signal)
Most Light
(saturated
signal)
Output OFF
Output ON
Darkest Taught
Condition
Lightest Taught
Condition
Position
adjusted by
Manual Adjust
Figure 8. Two-Point TEACH (Light Operate shown)
The Output ON and OFF conditions can be reversed by using the LO/DO (Light Operate/ Dark Operate) switch.
The Output ON and OFF conditions can be reversed by using the LO/DO (Light Operate/ Dark Operate) switch or through
the program interface for the dual output model.
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.
1. Enter Adjust mode.
DF-G3 Long Range Expert Dual Display Fiber Amplifier with Dual Discrete Outputs and IO Link
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