Allied International V2.4.0 Benutzerhandbuch
Configuration of the camera
OSCAR Technical Manual V2.4.0
185
Extended shutter
The exposure time for long-term integration of up to 67 seconds can be
entered with µs precision via the EXTENDED_SHUTTER register.
entered with µs precision via the EXTENDED_SHUTTER register.
The minimum allowed exposure time depends on the camera model. To deter-
mine this value write 1 to the ExpTime field and read back the minimum
allowed exposure time.
mine this value write 1 to the ExpTime field and read back the minimum
allowed exposure time.
The longest exposure time, 3FFFFFFh, corresponds to 67.11 seconds.
8
500
9
1000
Note
L
The ABSOLUTE VALUE CSR register, introduced in IIDC V1.3, is
not implemented.
not implemented.
Register
Name
Field
Bit
Description
0xF100020C
EXTD_SHUTTER
Presence_Inq
[0]
Indicates presence of this fea-
ture (read only)
ture (read only)
---
[1.. 5]
Reserved
ExpTime
[6..31]
Exposure time in µs
Table 87: Advanced register: Extended shutter
Note
L
•
Exposure times entered via the 81Ch register are mir-
rored in the extended register, but not vice versa.
rored in the extended register, but not vice versa.
•
Changes in this register have immediate effect, even
when camera is transmitting.
when camera is transmitting.
•
Extended shutter becomes inactive after writing to a
format / mode / frame rate register.
format / mode / frame rate register.
•
Extended shutter setting will thus be overwritten by
the normal time base/shutter setting after Stop/Start
of FireView or FireDemo.
the normal time base/shutter setting after Stop/Start
of FireView or FireDemo.
ID
Time base in µs
Description
Table 86: Time base ID