2 edge pre-select (eps) trigger mo – JAI CB-141MCL User Manual

Page 27

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CM-141MCL/PMCL/RA / CB-141MCL/PMCL/-RA


24

6.3.2 Edge Pre-select (EPS) Trigger Mode

An external trigger pulse initiates the capture, and the exposure time (accumulation time) is
the fixed shutter speed set by registers. The accumulation can be LVAL synchronous or LVAL
asynchronous. The resulting video signal will start to be read out after the selected shutter
time.
For timing details, refer to fig. 20 through fig. 27.

To use this mode:
Set function:

Trigger mode EPS

Scanning

Full, Partial

Vertical binning ON / OFF (CM-141MCL only)

Shutter mode Preset, Programmable, Fine Exposure

Shutter speed 1/60 to 1/10,000

Programmable exposure 2 L to 1052 L

Accumulation (Auto) LVAL Sync / LVAL a-sync

Other functions and settings

Input:

External trigger 12-pin Hirose or Camera Link

Important notes on using this mode

Trigger pulse >2 LVAL to <1 FVAL)

The following table shows minimum trigger interval in synchronous accumulation mode

Full scan

1054 L

2/3 Partial

774 L

1/2 Partial

635L

1/4 Partial

427 L

1/8 Partial

323 L

1/2 V Binning

529 L

In the case of asynchronous mode, the exposure time should be added to the above

table.


LVAL sync timing

Fig. 26 Edge Pre-select LVAL sync Timing

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