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III- 88 Programming Manual Part III Inspection Algorithm 2.2 Barcode_Pr o 2.2.1 Inspection Ov er view Barcode_Pro is the algorithm to recognize 1D barcode and 2D barcode. If the target digit and recognized digit number i…

III-87

Programming Manual

Part III Inspection Algorithm

Step17: If similar characters such as 1 and I or 0 and O are mis-recognized, enter these

characters into the two text boxes on the right side of Similar character, and press Add.

Once the characters are registered, the result will be OK if either of characters is

recognized. To delete the registered item, select the item and press Delete.

Figure 2-15 OCR_Pro14

Step18: If all target characters are correctly displayed in Result ﬁ eld. Press OK.

Step19: The dialog shown in Figure 2-16 appears.

Enter the number of characters to Upper ﬁ eld and Lower ﬁ eld.

Figure 2-16 OCR_Pro15

Step20: Press Inspect. Make sure that all target characters are correctly displayed in the upper right

side of the dialog shown in Figure 2-16.

III-88

Programming Manual

Part III Inspection Algorithm

2.2 Barcode_Pro

2.2.1 Inspection Overview

Barcode_Pro is the algorithm to recognize 1D barcode and 2D barcode.

If the target digit and recognized digit number is the same, the result will be OK.

Barcode_Pro is suitable for PCBs traceability.

2.2.2 Parameter Setting

Figure 2-17 Barcode_Pro

Parameter Description

Lighting Select a lighting that displays barcodes visually clear.

Algorithm Select Barcode_Pro.

Reduction

Enter 4.

Reverse

Enter 0 if the brightness level of the barcode is lower than surrounding brightness.

Enter 1 if it is higher.

Barcode kind -

Shift[V1-V8]

Enter the appropriate vector. Any value from V1 to V8 is available.

Select the vector according to the Memorize to ﬁ eld of the Adjust window.

Version -

Memorize to -

Upper, Lower

Enter the digit number of barcode to Upper ﬁ eld and Lower ﬁ eld. The sample value

is the digit number of the recognized barcode. If the target digit and recognized digit

number is the same, the result will be OK.

Sample This parameter shows the digit number of the recognized barcode.

Table 2-2 Parameter of Barcode_Pro

III-89

Programming Manual

Part III Inspection Algorithm

2.2.3 Setting Procedure

Step1: Select a lighting that displays barcodes visually clear from the Lighting drop-down list.

Step2: Set the inspection window three pixels wider than the 2D barcode.

NOTE

For a 1D barcode inspection, refer to Step2 of Part III 1.20.3 Setting Procedure.

㽲

㽲㬍㪊

Figure 2-18 Inspection Window of Barcode_Pro

Step3: Press Set in the right side of Algorithm. The dialog shown in Figure 2-19 appears.

Select the barcode type and press OK.

Figure 2-19 Barcode type

Step4: Press Inspect. Make sure that the alphanumeric character of the barcode is correctly

displayed in the upper right side of the dialog shown in Figure 2-17.