Panasonic A230, Руководство пользователя

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Communications (Serial and Parallel) OCR Type A230
16 − 13
16.2 Communication Settings
Note
sIf the number of digits in the output data exceeds the setting for
the number of output digits, the Imagechecker will output the
OVF (overflow) signal, and will output the required portion of
data as zeros. Be sure to monitor the OVF signal.
16.2.6 Parallel Output Settings
Perform the following settings in order use parallel communication.
− Select the data to be output.
− Select the data output and reset methods.
− Select the methods for re − registering the Smart Matching template and for switching
the camera.
4413. Numerical Calc. None
4411. Timeout 20000ms
4412. Delay Time 300
µ
s
4414. Judgment Out
44. Parallel Output
441. Handshake Yes
442. Reset Cond. Latch
443. Setting Template No
444. Disp. Img. Change Details Mode
441. Handshake
− In the case of output from JD01 to JD08 only:
Select “ No ” (there is no need for handshaking)
− In the case of output from JD09 and subsequent registers, and
numerical calculation results in addition to JD01 to JD08:
Select “
Yes ” (handshaking is required). See items 4411 to 4414 as well.
4411. Timeout (To)
In the case that handshaking will be performed, this sets the maximum
time to wait for the confirmation (ACK signal) from the external device
in response to a signal output by the Imagechecker. The timeout can be
set in the range
from 20ms to 20000ms in 1ms steps.
4412.Delay Time (Td)
This sets a delay between the ACK signal and the STROB signal in order
to prevent chattering during handshaking. The delay time can be set in
the range from 300us to 20000us in 100us increments.