23
Spyder2 User’s Manual
03-32-10091-04
DALSA
3.9 Setting Line Rate and Exposure Mode
The camera’s line rate (synchronization) is generated internally or input from a frame
grabber/host system. With six different exposure mode settings, the Spyder2 delivers
many possibilities for flexible camera timing. Table 5 outlines each of these six exposure
modes, and is followed by a full explanation on how to set the camera’s frame rate and
exposure time.
Table 5: Spyder2 Exposure Modes
Programmable Line Rate Programmable Exposure Time
Mode SYNC
PRIN
Description
1
Internal
Internal
No
No
Maximum line rate and exposure time
(factory setting)
2
Internal
Internal
Yes
Yes
Exposure control OFF until a set
command is sent
3
External Internal
No
No
Maximum exposure time
4
External Internal
No
No
Smart EXSYNC
5
External External
No
No
External line rate and external pixel
reset
6
External Internal
No
Yes
Fixed integration time
• To obtain the current value of the exposure mode, use the command
gcp
.
• When setting the camera to external signal modes, EXSYNC and/or PRIN must be
supplied.
Overview: Setting Line Rate and Exposure Time
The camera’s line rate (synchronization) can be generated internally through software
commands or input externally from a frame grabber/host system. 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. Refer to Setting the
Exposure Mode on the following page for details.
2.
Then, when applicable, use the commands
ssf
(mode 2 only) to set the line rate
and/or
set
(mode 2 or 6), to set the exposure time. Refer to Setting Line Rate and
Setting Exposure Time below for details.
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