Basler A640F, User Manual

Page: 94 / 188

Configuring the Camera
4-30
BASLER A640
f
DRAFT
Register Name: Shutter
Offset from Base Address: 0x81C
Field Bit Description
Presence Inq 0 Indicates the presence of the shutter control feature.
The value will be 1 on all A640f cameras, indicating that shutter control
is available.
This field is read only.
Abs Control 1 Determines whether the shutter will be controlled by the Value field of
this register or by the Absolute Value CSR for the shutter.
The value will be 0, indicating that the shutter can only be controlled by
the Value field of this register. Absolute value control is not available
on A640f cameras.
This field is read only.
--- 2 ... 4 Reserved
One Push 5 Sets “One Push” operation.
The value will be 0, indicating that one push is not in operation. One
push operation is not available on A640f cameras.
This field is read only.
On / Off 6 Sets whether shutter control is on or off.
The value will be 1, indicating that shutter control is on. The shutter
control feature can’t be switched off on A640f cameras.
This field is read only.
A / M Mode 7 Sets whether the camera is in automatic or manual shutter control
mode.
The value will be 0, indicating that shutter control is in manual mode.
Automatic shutter control is not available on A640f cameras.
This field is read only.
--- 8 ... 19 Reserved
Value 20 ... 31 Sets the shutter value. The shutter value can range from 1 to 4095.
Exposure time = (Shutter Value Setting) x (Shutter Time Base)
Default = 500
Notes: The shutter time base is normally 20 µs, but it can be adjusted
by using the shutter time base smart feature. See Sections 3.2.1 and
6.7.13 for more information.