Basler A640F, User Manual

Page: 103 / 188

Configuring the Camera
BASLER A640
f
4-39
DRAFT
Register Name: Bytes Per Packet
Offset from Base Address: 0x044
Field Bit Description
Bytes Per Packet 0 ... 15 Sets the number of bytes per packet (the packet size).
Note: When you lower the bytes per packet setting, the number of
packets needed to transmit a frame (the packets per frame) will in-
crease. Due to limitations in the DCAM structure, a maximum of 4095
packets per frame is allowed. If you set the bytes per packet too low,
the number of packets per frame will exceed the 4095 packet limit and
the camera will not transmit frames properly.
Rec Byte Per Packet 16 ... 31 Indicates the minimum bytes per packet needed to achieve the highest
possible frame rate with the current camera settings.
The recommended bytes per packet field is updated whenever the For-
mat 7 settings are changed.
Register Name: Packets Per Frame Inquiry
Offset from Base Address: 0x048
Field Bit Description
Packets Per Frame 0 ... 31 Indicates the total packets per frame.
The value in this register depends on settings in the Format 7, Mode 0
Image Size and Color Coding ID registers (see page
4-36 ) and on the
setting in the Format 7, Mode 0 Bytes per Packet register (see above).
The value in this register includes image data, padding bytes and any
data added by enabled smart features (see Section
6 ).
Register Name: Unit Position Inquiry
Offset from Base Address: 0x04C
Field Bit Description
Hposunit 0 ... 15 Indicates the increment in columns for adjusting the area of interest
starting column (see Section
3.4 ). For example, if the Hposunit is 2, the
starting column should be adjusted in increments of 2.
Hposunit = 1 for the A641f
Hposunit = 2 for the A641fc
Vposunit 16 ... 31 Indicates the increment in rows for adjusting the area of interest start-
ing row (see Section
3.4 ). For example, if the Vposunit is 1, the starting
row should be adjusted in increments of 1.
Vposunit = 1 for the A641f
Vposunit = 2 for the A641fc