Rockwell Automation 5370-OCR2 PAK - Manual (Page 83)

Appendix B
Compensating for Lighting Variations
B–4
7. Setup Tool 2 as shown below:
8. Set the operation to S1-S2.
9. Use P&P AOI 1 to position AOI 1 to the same position as tool 1 (use
information obtained in step 3).
10. Use P&P AOI 2 to position AOI 2 to:
X = 0
Y = 0
Length = Tool 1 Length
Height = Tool 1 Height
11. Set the lookup table to Sign by selecting LUT in the Image Tool Edit
panel.
12. Tool 3 is an OCR Tool that uses the Tool 2 destination image. Setup the
OCR Tool as described in this manual. The character recognition will be
relatively insensitive to lighting variations.