CLR-101C User`s Manual
Contents
1. o ge Mounting Holes 4 0 15 dia KR co eo o fee ye A ba Front e EM ETZ wee er ee ee ee ee ee ee ee ee ee ee ee ee er e er ee ee ee ee ee ee ee ee ee ee ee ee er er er er ee ee ee ee ee mad 2 69 lt gt 3 28 Figure 3 2 Mounting Footprint Drawing 3 2 External Power Supply The CLR 101C is powered by 5 7 VDC and incorporates a special 2 1 x 5 5 mm DC power jack that accepts either a standard barrel style power plug or a special locking version see Section 2 2 Power plug polarity is center positive The CLR 101C includes a multi nation wall mount power supply that handles a wide power range 90 264 VAC 47 63 Hz and comes with a set of outlet plugs suitable for most countries US Europe UK etc The CLR 101C may also be purchased with the locking power supply plug or without a power supply The CLR 101C is protected by an internal resetable fuse 16 4 Revision History Table 4 1 CLR 101C User s Manual Revision History 200624 0 1 11 17 2010 Preliminary release of manual 172. CLR 101C CAMERA LINK REPEATER User s Manual Document 200624 Rev 0 1 11 17 2010 preliminary O Vivid Engineering 418 Boston Turnpike 104 e Shrewsbury MA 01545 Phone 508 842 0165 Fax 508 842 8930 www vividengineering com info vividengineering com Table of Contents 1 1 1 2 1 3 1 4 1 4 1 1 4 2 1 4 3 1 4 4 1 5 2 1 2 2 2 2 1 2 2 2 3 1 3 2 Introduction Overview Features Functional Description Typical Applications Standard Base Application Performance Improvement Application 40 Meter Application Medium Application Specifications Interface Front Panel Connections Rear Panel Connections Video Connector Signals Cable Shield Grounding Mechanical Dimensions External Power Supply Revision History eek sch O ON O O h Q 11 12 13 13 15 15 16 17 1 Introduction 1 1 Overview The CLR 101C Camera Link Repeater supports applications requiring separation between camera and frame grabber in excess of the maximum Camera Link cable length 10 meters One Camera Link cable connects the camera to the CLR 101C and a second cable connects the CLR 101C to the frame grabber This solution provides a 20 meter reach between camera and frame grabber using a pair of standard 10m Camera Link cables Up to three repeaters may be cascaded to support greater distances CLR 101C incorporates high speed 85MHz interfaces and is compatible with any Camera Link Base configurati
3. cation A typical CLR 101C application is shown in Figure 1 2 A Camera Link base configuration camera is connected to the CLR 101C via a standard 10m Camera Link cable A second 10m Camera Link cable is then connected from the CLR 101C to a Camera Link frame grabber This provides a 20 meter reach between camera and frame grabber Note that the use of 10m cables is not recommended in applications where the camera pixel clock rate exceeds 60 MHz see Section 1 4 2 CLR 101C l n Camera Link Repeater U Camera Link Frame Grabber Camera Link Standard 10m Camera Camera Link Cables E ZO Meter Reach Figure 1 2 CLR 101C Standard Application 1 4 2 Performance Improvement Application The pixel clock rate for Camera Link cameras ranges from 20 85 MHz High performance applications in which the camera clock rate is at the high end of the range 1 e 60 85 MHz are often problematic when longer cables are used A solution to this problem is to replace the long Camera Link cable with the combination of the CLR 101C and two shorter cables Problem and solution examples are illustrated in Figures 1 3 and 1 4 respectively Testing has verified that a 10m reach at the Camera Link maximum 85 MHz clock rate is reliably achieved using the combination of the CLR 101C and two high quality 5m Camera L
4. es compatibility with standard Camera Link cables Table 2 1 identifies the signal assignments for the MDR 26 video connectors 2 2 2 Cable Shield Grounding Camera and frame grabber cable outer shields are connected to the CLR 101C aluminum case Case and endplate contacting surfaces are unpainted providing a Faraday cage to shield internal circuitry The case is isolated from the CLR 101C circuitry and the cable inner shields avoiding possible safety concerns The frame grabber cable inner shield connects to circuit digital ground maintaining signal reference levels between the CLR 101C and the frame grabber 13 Table 2 1 MDR 26 Connector Assignments Camera Frame Grabber Connector Camera Link Signal Pin Connector Signal Direction Name Pin frame grabber pinout camera pinout FG Frame Grabber CAM Camera 14 3 Mechanical 3 1 Dimensions The CLR 101C Camera Link Repeater cabinet dimensions are shown in Figure 3 1 The CLR 101C is housed in a sturdy aluminum enclosure The body is extruded aluminum with detachable front and rear endplates The enclosure incorporates a mounting flange The flange contains four predrilled holes 0 15 diameter for convenient equipment mounting A mounting footprint drawing is provided in Figure 3 2 Vivid Engineering CLR 101C Camera Link Repeater 1 14 EP POWER LINK Figure 3 1 CLR 101C Cabinet Dimensions 15
5. ink cables as shown in Figure 1 3 Testing has also shown that longer 7m cables can be utilized reliably in the example shown in Figure 1 3 for cameras with clock rates up to 80 MHz U LULA High Standard 10m Camera Link Performance Camera Link Cable Frame Grabber 10 Meter Reach Figure 1 3 Problematic High Performance Example CLR 101C n Camera Link Repeater LULA Camera Link Frame Grabber Figure 1 4 Reliable High Performance Example Using CLR 101C 1 4 3 40 Meter Application Figure 1 5 shows an application in which multiple CLR 101Cs and standard cables are cascaded to provide a 40 meter separation between camera and frame grabber In this example a 40 meter reach is achieved using three CLR 101Cs and four standard 10m Camera Link cables Note that the use of 10m cables is not recommended in applications where the camera pixel clock rate exceeds 60 MHz see Section 1 4 2 CLR 101C Camera Link Repeaters 3 Camera Link Frame Grabber Figure 1 5 CLR 101C 40m Application 1 4 4 Medium Applicat
6. ion CLR 101C medium application is shown in Figure 1 6 Medium configuration in which two cables connect the camera to the frame grabber is supported using two CLR 101C s in parallel A Camera Link medium configuration camera is connected to two CLR 101Cs via a pair of standard Camera Link cables A second pair of cables is then used to connect the CLR 101Cs to the Camera Link frame grabber Note that the use of 10m cables is not recommended in applications where the camera pixel clock rate exceeds 60 MHz see Section 1 4 2 CLR 101C Camera Link Repeaters 2 Figure 1 6 CLR 101C Medium Application 1 5 Specifications Table 1 1 CLR 101C Specifications Video Interfaces Camera Link Spec base configuration Video Connectors 26 pin MDR type Frequency Range 20 8BMHz e 85 MHz ontrol amp communication ons max Chpset 00 National Semiconductor DS90CR287 288A Cabinet Dimensions 3 28 L x 1 14 H x 4 37 D including mounting flange 10 2 Interface 2 1 Front Panel Connections The CLR 101C Camera Link Repeater front panel is shown in Figure 2 1 The front panel contains a 26 pin MDR video connector for connecting to the camera an LED power indicator and an LED link indicator The MDR 26 connector is a 3M device as specified in the Camera Link Spec Figure 2 2 identifies the MDR 26
7. k Figure 1 1 CLR 101C Block Diagram The CLR 101C incorporates high speed 85MHz interfaces and is compatible with any base configuration camera Medium configuration applications are supported using a pair of CLR 101C s in parallel The CLR 101C does not support the Camera Link full configuration The CLR 101C adds minimal delay te latency to the video data path This is an important criterion for time critical applications The latency through the CLR 101C isa fixed 3 pixel clock delay The pixel clock is established by the camera and can range from 20 85 MHz Therefore the CLR 101C fixed delay can range from 35 to 150 nS depending on camera The delay added by the CLR 101C for the camera control and serial communication signals is under 5 nS The CLR 101C detects the presence of an active Camera Link camera When an active 1 e powered camera is detected the front panel link indicator illuminates The front panel also includes a power indicator to show that the CLR 101C is powered The CLR 101C is powered by an external wall plug in power supply A multi nation power supply is standard Optionally the CLR 101C is available with a locking power supply connector The locking power supply connector reduces the risk of accidental disconnection The CLR 101C is also available without any power supply for customers who want to provide their own power source 1 4 Typical Applications 1 4 1 Standard Base Appli
8. nication pass through latency under 5 nS Front panel link status indicator Up to three CLR 101C s may be cascaded supporting a 40m reach Flow through connector positioning Multi nation power supply included Optional locking power supply connector Sturdy compact aluminum enclosure w mounting flange 3 year warrantee Well suited for industrial and OEM applications Cost effective solution 1 3 Functional Description A block diagram of the CLR 101C is provided in Figure 1 1 The CLR 101C regenerates the base configuration signal set defined in the Camera Link Specification The regenerated signals may then be transmitted an additional distance up to 10 meters over standard Camera Link cables The CLR 101C can also improve performance in high clock rate long cable applications by replacing a long cable with the combination of the CLR 101C and two shorter cables The CLR 101C incorporates the connectors signals pinouts and chipset in compliance with the Camera Link specification The CLR 101C regenerates all the base configuration signals consisting of video data camera control and serial communications Channel Channel Link Link Video Receiver Transmitter Data 85 MHz 85 MHz l al e 3 E l 3 e 2 l g x E E gt J Camera LVDS LVDS l Camera F Control l Transmitter Receiver Control 3 G O l Q l 9 l gt d Serial LVDS Revr LVDS Xmtr Serial Comm Comm Link LVDS Xmtr LVDS Revr Lin
9. on camera A front panel link status indicator identifies an active connection Replacing a long Camera Link cable with the combination of a CLR 101C and two shorter cables can eliminate performance problems sometimes encountered using high clock rate cameras and long cables Featuring a sturdy compact enclosure with mounting flange and optional locking power supply connector the CLR 101C is well suited for OEM and industrial applications The Camera Link interface standard enables the interoperability of cameras and frame grabbers regardless of vendor The Automated Imaging Association AIA sponsors the Camera Link program including the oversight Camera Link Committee the self certification program and the product registry The Camera Link specification may be downloaded from the AIA website found at www machinevisiononline org Camera Link is a trademark of the Automated Imaging Association Vivid Engineering CLR 101C Camera Link Repeater POWER LINK CAMERA 1 2 Features Doubles max distance between camera and frame grabber Combines with shorter cables to improve performance in high clock rate applications Uses standard Camera Link cables not included Supports Camera Link base configuration Medium configuration support using two CLR 101C s in parallel High speed 85 MHz interface chipset works with any base camera Minimal video data pass through latency 3 camera pixel clocks Minimal control commu
10. pin positions Vivid Engineering CLR 101C Camera Link Repeater ee o le POWER LINK CAMERA Figure 2 1 CLR 101C Front Panel pin 13 pin 1 Q EZ jis Figure 2 2 MDR 26 Connector Pin Positions 11 2 2 Rear Panel Connections The CLR 101C Camera Link Repeater rear panel is shown in Figure 2 3 The rear panel contains a 26 pin MDR video connectors for connecting to the frame grabber and a DC power jack The MDR 26 connector is a 3M device as specified in the Camera Link Spec The DC power jack accepts either a standard 2 1 x 5 5 mm barrel style power plug or a special locking version plug The locking plug has bayonet style ears on the barrel Once inserted the barrel may be turned 1 4 turn clockwise This locks the connector in place and provides retention The locking plug is removed by first turning the barrel 1 4 turn counterclockwise and then pulling out the plug from the unit Plug polarity 1s center positive lk FRAME GRABBER 5 7 VDC Figure 2 3 CLR 101C Rear Panel 12 2 2 1 Video Connector Signals The MDR 26 video connector signal assignments comply with the Camera Link base configuration The camera connector signal assignments correspond to the frame grabber interface defined in the Camera Link Specification Conversely the frame grabber connector assignments are as defined for the camera interface in the Camera Link Specification This arrangement provid
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