IDEC WB2F User Manual page 142

2d code scanner
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1. Overview
2. Installation & wiring
z BUSY Output
The BUSY output will keep output ON until a reading operation is completed.
Operating logic of output can be chosen from "positive logic" and "negative logic".
The timing chart when set to [positive logic] is as follows:
Reading Operation
ON
External Output
(Busy)
OFF
Reading operation includes a reading request, image acquisition + decoding
You cannot specify a valid time for an output
z FLASH synchronous output
Flash synchronous output turns on synchronously in time with exposure time.
Output polarity can be set as either [Positive logic] or [negative logic].
The timing chart when set to [positive logic] is as follows:
Reading Request
Image Processing
Decode Processing
ON
External Output
(Flash)
OFF
Exposure time can be set at any value between 0.09 to 10.00ms
z
Maximum image processing time is 27.80ms
z
3 Operational Check
Exposure TIme Image Processing Time
4 Function
5-12
Appendix
Timing Chart

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