CCD_Rasnik straightness monitoring system

CCD_Rasnik: Ras_Mux crate

The Ras_Mux crate is a Euro-crate containing Ras_Mux modules, power supplies and connectors to

bring power to the cameras and start them properly
switch the lightsources on and off
connect the video-signals from the cameras to a frame-grabber
control the system from a parallel (printer) port of a PC

Shopping list:

Mux_crate examples
channels	power input	contents	notes
8	+5,-5,+18V	Ras_Mux card
8	+18V	Ras_Mux card	see photo or layout
8	+18V	DC-DC convertor	(on Ras_Mux card)
16	230 VAC
		2 Ras_Mux cards	two outputs
		1 sequencer	1)
		2 supplies
		single Euro crate
		filters etc.
16	230 VAC
		3 Ras_Mux cards	single output
		1 sequencer	1)
		2 supplies
		single Euro crate
		filters etc.
32	230 VAC
		5 Ras_Mux cards	single output
		2 sequencers	1)
		4 supplies
		double Euro crate	see photo or layout
		filters etc.
64	230 VAC
		9 Ras_Mux cards	single output
		4 sequencer	1)
		8 supplies
		quad Euro crate
		filters etc.

1): The sequencer is needed to power-up the cameras properly. A part of such a board is used to power the Ras_mux modules containg a DC-DC convertor. This is explained here.

The camera power connector description.

You can read more about:

The LED drivers and power supply.

How to control a Ras_mux system.

Or go to the Ras_Mux home page or the CCD_Rasnik home page.

You can mail

suggestions for (or questions about) this page to: Henk Groenstege.

july 1996