Overview IRI 5301-01, User Manual

Page 1: ...erview Ltd Whilst Irisys will endeavor to ensure that any data contained in this product information is correct Overview Ltd do not warrant its accuracy or accept liability for any reliance on it Over...

Page 2: ...__________________________________________________________________________________ __________________________________________________________________________ IPU 40285 Version E Jan 2013 2...

Page 3: ..._______________________________________________________________ IPU 40285 Version E Jan 2013 3 Contents Page 1 Introduction 4 2 Contents and options 4 3 Physical Dimensions 5 4 Electrical Connections...

Page 4: ...a Cores Part Number Lens FOV Diameter Case Video Output Type and Scan rate IRI 5331 01 35 X 26 15mm Standard PAL 9Hz IRI 5331 02 35 X 26 15mm Standard NTSC 9Hz IRI 5339 01 35 X 26 15mm Standard PAL 25...

Page 5: ...__________________________________ __________________________________________________________________________ IPU 40285 Version E Jan 2013 5 3 Physical Dimensions Figure 3 Standard case dimensions Fig...

Page 6: ...E Jan 2013 6 Figure 5 IWI 5520 15mm Window Figure 6 IWI 5521 45mm Window Both the 15mm and 45mm windows have an uncoated area on the inside Labeled side 2 in Figure 5 and Figure 6 The other differenc...

Page 7: ...details see section 5 2 below 5 Initial use and Set Up 5 1 Initial use 5 1 1 Connect a 12 volt power supply to the camera using the Sauro 7 way plug CVF070R5 5 1 2 Use a BNC cable to connect the BNC...

Page 8: ...t up from imager button 5 3 2 This will load up the imager communication configuration dialogue box See Figure 8 5 3 3 Selecting Auto Detect will check the ports and confirm they can be connected to E...

Page 9: ...n switched on until the electronics warm up and stabilise It will then shutter as required and at least once every 18 minutes 6 5 Tracker This displays a green box on the screen which tracks the hotte...

Page 10: ...to define the gain and offset of the displayed image Therefore when a hot or cold object enters the scene the brightness and contrast change rapidly to highlight the object Figure 12 13 This setting c...

Page 11: ...re details from the scene It should not be used continuously because when other objects appear in the scene the image will no longer have the optimal gain and offset settings See example images in Fig...

Page 12: ...ize of both shapes using the parameter boxes In addition the user can also limit the gain used in this mode and the limit the offset i e the maximum and minimum values of the temperatures Auto region...

Page 13: ...r of pixels which must see the maximum or minimum temperature for inclusion in the gain calculations 7 4 Tracking When tracking is selected a green box tracks the highest temperature pixel If there is...

Page 14: ...in ASCII hexadecimal format Up to 15 cameras can be attached to the serial RS485 comms bus The address of each camera is defined by the ACII character 1 to F 2 Note 2 All cameras will respond to addre...

Page 15: ...utter toggles 0 x Display x 0 histogram 1 auto gain offset 2 manual 3 mean based offset histogram bin based gain 0awwwxxxyyyyzzzzFf Auto gain and offset controls www gain max xxx gain min yyyy offset...

Page 16: ...greyscale input range of 0 to 255 The method of mapping the detector output range onto the display input range will effect how the image appears and this mapping is what we call a contrast scheme Let...

Page 17: ...ground this can work well However if an object enters the scene that is very hot compared to the background such as a hot car exhaust or cigarette it is possible to get an almost binary image where th...

Page 18: ...ound has to make do with fewer colours to represent itself whilst the target gains colours and more detail can be seen This is a useful histogram to demonstrate the limitations of linear contrast sche...

Page 19: ...hat much more detail is visible in areas that were previously represented by comparatively few grey levels Plateau Histogram Equalisation Histogram Equalisation can be a little severe in cases where t...