RS-1_instruction manual.pdf - 第949页
Part 2 D etaile d Descript ion of E ach Functi on Chapter 12 Handling th e Optional Device s 12 - 65 ① (Parameter) Auto Ad j ust When you select the < Auto Adjust> butt on on th e “ Set Solder Recogniti on Paramet …
Part 2 Detailed Description of Each Function Chapter 12 Handling the Optional Devices
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(3) Setting the solder shape
Specify two upper left and lower right points of the window so that it can come in contact with
a pair of screen-printed solders by operating the screen, and select the [OK] key.
(4) Setting a misalignment check threshold value
Enter a misalignment check threshold value to be detected by the solder position
misalignment check and the area ratio threshold value to be detected by the condition check.
The detection area is to be “the solder dimensions to be obtained during teaching” + “the
misalignment check threshold value.” When you select the <OK> button, the system
updates the threshold values and proceeds to the next process.
* The system sets the detection area based on the “Misalignment Check Threshold” value.
* When you enter “0” into the “Area Check Threshold” field, the system will not check the
area ratio.
Description of the command buttons displayed on the screen
Button name
Description
Auto Adjust This button automatically adjusts the lights, the threshold values and
the contrast pattern.
Recognized Result
This button recognizes a solder mark.
Manual adjustment
Moves to the manual adjustment screen.
<Operation with a keyboard>
1. Use the [Tab] key to move the focus into the edit box.
2. Enter the desired value into the edit box.
3. Use the [Tab] key to move the focus into the corresponding command button, and then
press the Enter key.
①
③
②
Part 2 Detailed Description of Each Function Chapter 12 Handling the Optional Devices
12-65
① (Parameter) Auto Adjust
When you select the <Auto Adjust> button on the “Set Solder Recognition Parameter” screen,
the system repeatedly changes each parameter to recognize a solder mark, and
automatically adjusts the parameters to the optimal ones. After the system automatically
finishes adjusting the parameters, the following “Auto-adjusted Results” screen appears.
If the system cannot recognize solder marks stably, it displays a warning.
When you press the F12 key on this screen, you can record two or more images displayed
during automatic adjustments. These images are stored in the same manner as the
recognized images displayed on the VCS monitor. However, this process requires much
time. To cancel this process, press the F12 key again or the Esc key. The dialog box
appears on the screen, and it allows you to cancel the image storage process or continue this
process.
② Recognized Result
When you press the <Recognized Result> button on the “Set Solder Recognition Parameter”
screen, the system recognizes solder marks according to the set parameters. When the
system succeeds in recognition, the cross mark appears at the center of the solder displayed
on the VCS monitor. If the system fails to recognize solder, the corresponding error code is
displayed on the VCS monitor. If the system cannot recognize solder stably, select the
<CANCEL> button on the “Set Solder Recognition Parameter” screen, and adjust the lights
again.
Part 2 Detailed Description of Each Function Chapter 12 Handling the Optional Devices
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③ Manual adjustment
From the [Solder Recognition Parameter Setting] screen select [Manual Adjustment] to
manually adjust settings for solder, pads, resist and so on as well as adjustments to contrast
recognition and parameters.
- These images are stored in the same manner as the recognized images.
Teach each position: solder, PWB (especially wiring section) and pad in the “Measurement
Position” column. Align the cursor with the edit box corresponding to the position to be
taught, and use the HOD to teach it. When the system finishes teaching the position, *
(asterisk mark) appears in the corresponding edit box.
You may not be able to set the pad position. If so, proceed to the next step (using the
<Contrast Check> button and the <Adjust Parameters> button).
Contrast Check
The system measures the brightness of each area according to the parameters
currently set, and displays whether the obtained contrast is enough or not on the
screen.
Adjust Parameters
The system measures the brightness of each area while changing the recognition
parameters such as the light parameter to adjust the parameters so that enough
contrast can be obtained. The adjustment result is displayed on the
“Auto-adjusted Results” screen. If the system cannot obtain enough contrast
and cannot adjust the parameters, set the positions to be recognized again.