Carl Zeiss Imaging 1394 Driver Download

23-04-2021
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Zeiss AxioCam MR/HR Adapter

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Summary:Interfaces Zeiss AxioCam medium resolution and high resolution color and monochrome cameras
Author:Henry Pinkard
License:Source code cannot be made available
Platforms:Windows
Devices:AxioCam MRm/MRc/HRm/HRc, MRm/MRc/HRm/HRc Rev. 2, and MRm/MRc/HRm/HRc Rev. 3 (tested with MRm Rev. 2, MRm Rev. 3, MRc Rev. 3, HRm Rev. 2, HRm Rev. 3); MRc5


Because of built in delays in the AxioCam's image acquisition, there is a delay of approximately 200ms between when Micro-Manager sends the command to open the shutter and when the AxioCam's exposure begins. If over exposure of the sample is a concern, it is highly recommended that hardware triggering is used with these cameras. Refer to the below descriptions of hardware triggering to do so (All images and text below ©2010 Carl Zeiss MicroImaging GmbH. All rights reserved.).

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Trigger-Out

Via a supplementary cable the AxioCam has the capability of sending out aTTL trigger pulse to an external device, for example a mechanical shutter. Thistrigger pulse can be used to synchronizethe exposure of the camera and the task of the external device, as you canspecify the delay between sending outthe trigger signal and actually starting the acquisition. Aceeca usb devices driver download for windows 10 free.

To meet the requirements of the device you are using, you caninvert the polarity that you want thesignal to have.

Trigger-In

Carl Zeiss Imaging 1394 Driver Downloads

The exact time of exposure can be triggered from outside the camera. When the trigger-in is enabled and an acquisition function is called, the camera will delay the acquisition and wait for a trigger-in signal to be sent from an external device until it invokes the exposure.The following graphic demonstrates the two camera models' reaction to the trigger signal when performing a triggered acquisition. An acquisition request is sent out at each T, the acquisition takes place at an A:

NOTE: The trigger OUT of the AxioCam HR / MR expects a TTL signal.


Carl Zeiss Imaging 1394 Driver Download 64-bit

Trigger Timing

Due to different hardware and trigger mechanisms, the precise calculation ofthe camera's timing when involvong the trigger IN / OUT is a bit difficult anddepends on the camera model's internal design.

The following charts demonstrate, how an example acquisition using bothtrigger IN and trigger OUT could look like and explain how to preciselycalculate the timing.

AxioCam HR / MR
The AxioCam HR / MR accepts only positive values for the trigger OUT delay, ranging from 0 to 255 row cyles,

where 1 cycle lasts 154 µs (AxioCam HR) respectively 99 µs (AxioCam MR).
When the delay is set, the trigger OUT signal is sent prior to exposing the CCD sensor. The camera takes thefollowing steps when performing an acquisition using trigger IN and OUT:

  • receive acquisition call (snap)
  • wait for trigger IN signal to arrive
  • send trigger OUT signal
  • delay the exposition (0-255 row cycles)
  • acquire



AxioCam MRc5 / MR Rev.3 / HS
The AxioCam MRc5 / MR Rev.3 / HS allows both positive and negative values for the trigger OUT delay, ranging from +4095 row cycles

to -4095 row cyles, where 1 cycle lasts 244 µs.
A negative delay means sending the trigger OUT signal prior to exposing the sensor (like AxioCam HR/MR).
A positive delay means sending the trigger OUT signal after starting the exposition of the CCD sensor.
Sensor cleanout:
Before the AxioCam MRc5 / MR Rev.3 / HS is able to acquire an image, a certain 'cleanout time' is required to erase any existing datafrom the CCD sensor. When an acquisition call has been sent by the user / program and the trigger IN signal is beingreceived, the camera needs about 6.5 ms of processing time. Now the initialization takes place, including a fixed 1msdelay (4 idle rows) and the sensor cleanout time, which depends on the current exposure time. A simplified formula forthe cleanout time is:
cleanout time = ( 1003 - (exposure time - 1) * binning factor ) / 23 [ unit: row cycles = 250 µs ]

Note: when the exposure time is set to 1004 row cycles ( approx. 251ms ) or more, the cleanout time will be zero.
- negative delay
If the specified trigger OUT delay is longer than the interval for the fixed idle rows and clearing the sensor,

the trigger OUT is sent directly after the initialization has been completed. The camera performs the cleanoutand then waits an appropriate amount of time until the exposition is invoked.

  • receive acquisition call (snap)
  • waits for trigger IN signal to arrive
  • approx. 6.5 ms processing time
  • send trigger OUT signal
  • finish idle rows and sensor cleanout
  • wait delta( trigger OUT delay - idle rows - cleanout time )
  • start acquisition
Imaging



If the specified trigger OUT delay is shorter than the interval for the fixed idle rows and clearing the sensor,

the camera starts the sensor cleanout right after the initialization was finished and delays sending the triggerOUT signal to achieve the desired trigger OUT delay.

  • receive acquisition call (snap)
  • waits for trigger IN signal to arrive
  • approx. 6.5 ms processing time
  • start idle rows and sensor cleanout
  • wait delta( idle rows + cleanout time - trigger OUT delay ), then send trigger OUT
  • start acquisition



- positive delay
  • receive acquisition call (snap)
  • waits for trigger IN signal to arrive
  • approx. 6.5 ms processing time
  • sensor cleanout
  • start acquisition
  • delay the trigger OUT and send it


Carl Zeiss Imaging 1394 Driver Download Windows 10


--Henry Pinkard 10:58, 2nd January 2013 (PDT)

IEEE 1394 driver on Windows 7

Windows 7 comes with two versions of the IEEE 1394 bus driver (default and 'legacy'). I had trouble getting an AxioCam MRc5 recognized with the default one. This might be dependent on the motherboard and IEEE 1394 adapter. To switch between the default and 'legacy' drivers, follow the instructions mentioned here: http://social.technet.microsoft.com/Forums/en-US/itprovistahardware/thread/c2e39b2c-0558-43cb-865e-9f9db3e4f5ed/

Using the Legacy driver may also help with cases where the message '(0)McamAcquisition error 22' pops up and Micro-Manager becomes unresponsive.

--Mark Tsuchida

Carl Zeiss Imaging 1394 Driver Download



Carl Zeiss Imaging 1394 Driver Download Windows 7

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