Linear vacuum encoder alignment, Installation instructions, Iim mp po or rt ta an nt t – MicroE 3500V Mercury User Manual
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Installation Instructions
Linear Encoders
5
If benching dimensions cannot be provided, proper sensor alignment may require minor
adjustments to the sensor position with respect to the scale. This can be performed easily
using the LED alignment indicators, as illustrated below.
The red, yellow, or green LED will light depending on sensor alignment. Slowly move the
sensor by allowing it to slide on the mounting surface until the green or Proper Alignment LED,
is illuminated. Optimal alignment will be displayed as a “Bright Green” LED.
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Confirm that the Proper Alignment LED blinks when passing over the index.
If not, readjust the sensor in the Y direction and repeat the above procedure. When alignment
is completed, tighten the sensor mounting screws.
6
Confirm proper alignment over
the full range of motion.
The “Proper Alignment” LED
must remain on over the entire
range. If not aligned over the
entire range of motion, loosen
the sensor mounting screws
and repeat step 5.
x
Y
Z
θ
z
To align the sensor, move
it in the Y or
θ
z
directions.
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This procedure must be completed for
proper system operation each time the
sensor is aligned or if the SmartPrecision
electronics module is replaced.
Position the sensor at least 7mm (1/4”) away
from the index mark on the scale. Next, push
the Index/Calibration
button inside the
module with a small
diameter shaft, such
as a bare cotton swab.
The Power/
Calibration indicator
will flash continuously.
Move the scale past the sensor in both directions
so that the index mark passes under the sensor.
Do not run off the end of the scale. When the
calibration procedure is complete, the
Power/Calibration indicator stops flashing.
7
Power/
Calibration
indicator
Index /
Calibration
button
Proper
Alignment
indicator
Improper
Alignment LED
Red
Power/
Calibration
Power/
Calibration
Power/
Calibration
Improved
Alignment LED
Yellow
Proper
Alignment LED
Green
Optimal
Alignment LED
Bright Green