Dalsa Piranha3, Руководство пользователя

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Piranha 3 User Manual
DALSA 03-032-10216-02
27
3.2 Sensor Output Format
3.2.1 Exposure Mode, Line Rate and Exposure Time
Overview
You have a choice of operating in one of seven modes. The camera’s line rate
(synchronization) can be generated internally through the software command
ssf
or set
externally with an EXSYNC signal, depending on your mode of operation. To select how
you want the camera’s line rate to be generated:
1. You must first set the camera mode using the
sem
command.
2. Next, if using mode 2, 7 or 8 use the commands
ssf
and/or
set
to set the line rate and
exposure time.
Setting the Exposure Mode
Purpose: Sets the camera’s exposure mode allowing you to control your
sync, exposure time, and line rate generation.
Syntax:
sem i
Syntax Elements:
i
Exposure mode to use. Factory setting is
7
.
Notes: •
Refer to Table 11: Piranha3 Exposure Modes for a quick list of
available modes or to the following sections for a more
detailed explanation.
•
To obtain the current value of the exposure mode, use the
command
gcp
or
get sem
.
Related Commands:
ssf
,
set
Example:
sem 3
Table 11: Piranha3 Exposure Modes
Programmable Line Rate Programmable Exposure Time
Mode SYNC PRIN Description
2
Internal Internal Yes Yes Internal frame rate and exposure time.
Exposure mode enabled (ECE)
3
External Internal No No Maximum exposure time. Exposure
control disabled (ECD)
4
External Internal No No Smart EXSYNC. ECE.
5
External External No No External sync, external pixel reset.
ECE.
6
External Internal No Yes Fixed integration time. ECE.
7
Internal Internal Yes No Internal line rate, maximum exposure
time. ECD.