Rockwell Automation 2755-L7, -L9 Scanners - Manual (Page 32)

Chapter 5
Operation
5–4
This switch selects the number of steps, or increments, the raster motor
makes. To reduce the number of steps, rotate this switch counterclockwise.
The raster heights are shown, relative to the switch positions, in Figure 5.4.
Figure 5.4
Raster Height Adjustment Switch Positions
3
°
Raster Sweep
Factory Setting
30
°
Raster Sweep
8
°
Raster Sweep
15
°
Raster Sweep
1. Remove power to the scan head. In doing so, you will avoid harmful
direct eye contact with the beam and scanner rollover (explained on
page 4–3 under Vibration Cautions).
2. Remove the gasketed 1/4–20 screw to expose the Raster Height
Adjustment Switch.
3. Using the adjustment tool provided with the scanner, carefully rotate
the switch to the desired position.
4. Replace the gasketed 1/4–20 screw.
5. Apply power to the scan head.
Raster Height Adjustment
Procedure