Instruction manual

Guppy Technical ManualV7.4.0

236

Configuration of the camera

Maximum resolution

This register indicates the highest resolution for the sensor and is read-only.

Time base

Corresponding to IIDC, exposure time is set via a 12-bit value in the correspond-

ing register (SHUTTER_INQ [51Ch] and SHUTTER [81Ch]).

This means that a value in the range of 1 to 4095 can be entered.

Guppy cameras use a time base which is multiplied by the shutter register value.

This multiplier is configured as the time base via the TIMEBASE register.

The time base IDs 0-9 are in bits 28 to 31. See Table 110: Time base ID on page

237. Refer to the following table for code.

Default time base is 20 μs: This means that the integration time can be changed

in 20 μs increments with the shutter control.

Note



This register normally outputs the MAX_IMAGE_SIZE_INQ For-

mat_7 Mode_0 value.

This is the value given in the specifications tables under

Picture size (max.) in Chapter Specifications on page 27.

0xF1000200 MAX_RESOLUTION MaxHeight [0..15] Sensor height

(read only)

MaxWidth [16..31] Sensor width

(read only)

Table 108: Advanced register: Max. resolution inquiry

0xF1000208 TIMEBASE Presence_Inq [0] Indicates presence of this fea-

ture (read only)

--- [1..7] Reserved

ExpOffset [8..19] Exposure offset in μs

--- [20..27] Reserved

Timebase_ID [28..31] See Table 110: Time base ID on

page 237.

Table 109: Advanced register: Timebase