Image on demand mode (iod) with exposure timer – ALLIED Vision Technologies Bonito CL-400 200 fps User Manual

Page 49

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Parameters and commands

Bonito Technical Manual V2.3.0

49

The next falling edge stops the exposure and starts the output of the image syn-
chronized to the next line.

Due to the line jitter the next rising edge of the trigger should not appear earlier
than t

FDmin

+ t

L

after the previous rising edge.

Image on demand mode (IOD) with exposure timer

Bit group: e

Value: 2

The exposure time is controlled by the parameter

E.

Each rising edge of an externally applied signal starts one exposure. Use param-
eter

T to select the signal source.

A rising edge at the corresponding input starts exposure synchronized to the
line after the next.

The next rising edge must not arrive earlier than

t

FDmin

+ t

L

or

Figure 24: Exposure timing mode, M=1, flow diagram

Parameter

Value

Trigger Period

t

TP

> t

FDmin

+ t

L

Trigger High Duration

t

L

< t

TH

< t

TP

– t

L

Exposure Jitter

0 < t

j

< t

L

Exposure Time

t

Exp

= t

TH

– t

L

± t

j

Table 13: Exposure timing mode,

M=1, timing parameters

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