CLM-611 User`s Manual
Contents
1. 232. for the external serial port using an optional external USB to serial RS 232 adapter This eliminates the problem with using newer desktop and laptop computers that do not incorporate a serial port One side of the USB to serial adapter plugs into the PC USB port The other side of 10 the adapter connects to the RS 232 serial cable included with the CLM 611 Once installed the PC will create a new serial COM port that may be accessed using the PC in the same fashion as the standard RS 232 serial port Driver software installation may be required A USB to serial converter is available from Vivid Engineering for a modest cost These converters are also available from computer supply retailers 1 4 3 2 RS 232 Serial Port Communication CLM 611 camera selection is via the rear panel RS 232 port when the camera control switch is in position 7 In this mode the CLM 611 is connected to a control computer RS 232 port or USB port using optional adapter The user can control the CLM 611 using communications software such as HyperTerminal which is included in the Windows operating systems The RS 232 serial port incorporates a standard 9 pin D Sub DB9 connector Connector information is provided in Section 2 2 A null modem cable is included for connecting the CLM 611 to a PC serial port or USB adapter if used When in RS 232 mode the CLM 611 will send the following message to the RS 232 port upon power up CLM 611 Camera Link Multiplex
3. As a precaution care should be used to pause halt the frame grabber while the switch is being made to avoid frame grabber malfunction CLM 611 i Camera Link Multiplexer My 5 COOC Camera Link Frame Grabber Camera Link Cameras Standard Camera Link Cables Figure 1 3 CLM 611 Typical Application 13 1 6 Specifications Table 1 6 CLM 611 Specifications Feature Specification Video Interfaces Camera Link Spec full configuration 80 bit modes Video Connectors 26 pin MDR type Frequency Range 20 85 MHz Latency Video path 5 camera pixel clock cycles Control amp communication 15ns max Serial Port Interface RS 232 Serial Port Connector Male 9 pin D Sub DB9 Serial Port Cable 3 meter DB9 female DB9 female null modem cable Chipset National Semiconductor DS90CR287 288A Power Supply Universal wall style w outlet plug set Power Jack 2 1 5 5 mm center positive Power Requirements 5 7 VDC 400 mA typical Cabinet Dimensions 6 14 L x 2 10 H x 7 02 D Weight 28 oz Operating Temperature Range 0 to 50 C Storage Temperature Range 25 to 75 C Relative Humidity 0 to 90 non condensing 14 2 Interf
4. cameras The CLM 611 Camera Link Multiplexer is housed in a sturdy compact aluminum enclosure The CLM 611 is powered by an external multi nation wall plug in power supply which is included Also included is an RS 232 serial cable I I Channel I A Video Data Link I eceiver I I A Camera I Control a LVDS Xmtr A Seng LVDS Be Comm EI LVDS Xmtr I l Channel l 5 B Video Data Link Channel Link I video amp i Receiver Transmitters Data 8 B Camera aH Ds Met 5 amp Contra 7 LVDS Revr BECH ee IA 2 i LVDS Revr 3 8 poma t gt Sx Km LVDS Bour gt Serial 3 gt 4 mtr 1 5 H LVDS Xmtr Comm Q 8 i I 5 5 I i H 34 a H i 9 I Channel H I C Video Data pe Link 6 Receivers i H H Select C Camera LVDS xmtr H Switches Control i 0 7 I C Serial L gt LVDS Bou H Ji Comm t LVDS Xmtr bee ges I Control Gi l k 4 o 4 C Sa I 5 TD i Channel l Serial D D Video Data Link L RS 232 Lei 583 5 I Receivers I ii ER I 3 X D Camera go Control AT LVDS Xmtr I 24 D Serial tr LVDS Revr Comm 4 1 LVDS Xmtr I I Figure 1 1 CLM 611 Block Diagram 1 4 Came
5. four LEDs identify the selected camera The DC power jack accepts 5 7 volts DC Polarity is center positive Jj dfe elo Ei Medium Full Medium Full SEL BAUD CAM Base Base RS 232 5 12 VDC CAMERA C CAMERA D Figure 2 3 CLM 611 Rear Panel pin 1 pin 5 Je pin 6 pin 9 16 Figure 2 4 DB9 Connector Pin Positions 2 2 1 DB9 Connector Signals The DB9 connector signal assignments are compliant with the RS 232 serial interface standard Table 2 1 identifies the DB9 signal assignments Table 2 1 DB9 Connector E DB9 Pin Signal Direction Notes Received Line Signal Detect 1 N A tied to pins 4 amp 6 Received Data 2 PC CLM 611 Transmitted Data 3 CLM 611 PC Data Terminal Ready 4 N A tied to pins 1 amp 6 Signal Ground common 5 N A tied to digital ground DCE Ready 6 N A tied to pins 1 4 Request To Send 7 N A tied to pin 8 Clear To Send 8 N A tied to pin 7 Ring Indicator 9 N A no connection PC Control PC 17 2 3 Video Connector Signals The MDR 26 video connector signal assignments comply with the Camera Link full configuration providing compatibility with all Camera Link cameras and frame grabbers base medium full 80 bit The camera connector signal assignments correspond to the frame grabber interface defined in the Camera Link Specification Conversely the fr
6. CLM 611 CAMERA LINE MULTIPLEXER Users Manual Document 200686 Rev 0 1 11 19 2010 preliminary Vivid Engineering 418 Boston Turnpike 104 Shrewsbury MA 01545 Phone 508 842 0165 Fax 508 842 8930 Email info vividengineering com Web www vividengineering com Table of Contents 1 INTRODUCTION 1 1 Overview 1 2 Features 1 3 Functional Description 1 4 Camera Selection 1 4 1 Camera Select Switch 1 4 2 Baud Rate Switch 1 4 3 Serial Control 1 4 3 1 USB Support Optional 1 4 3 2 RS 232 Serial Port Communication 1 4 3 3 Camera Link Serial Communication 1 5 Typical Application 1 6 Specifications 2 INTERFACE 2 1 Front Panel Connections 2 2 Rear Panel Connections 2 2 1 DB9 Connector Signals 2 3 Video Connector Signals 2 3 1 Cable Shield Grounding 14 15 15 16 17 18 18 3 3 1 3 2 4 MECHANICAL Dimensions External Power Supply REVISION HISTORY 21 21 22 23 1 Introduction 1 1 Overview The CLM 611 Camera Link Multiplexer interfaces up to four Camera Link cameras of any configuration base medium full 80 bit to one frame grabber using standard Camera Link cables This capability supports applications requiring the ability to select between multiple cameras The CLM 611 incorporates high speed 85 MHz interfaces and works with any Camera Link camera The CLM 611 provides multiple camera selection methods including rear panel switch setti
7. SerTFG 6 21 CAM FG CC1 18 9 FG CAM CC1 5 22 FG CAM CC2 17 10 FG CAM CC2 4 23 FG CAM CC3 16 11 FG CAM CC3 3 24 FG CAM CC4 15 12 FG CAM CC4 2 25 FG CAM Inner shield 13 13 N A Inner shield 26 26 N A FG Frame Grabber CAM Camera 19 Table 2 2 MDR 26 Medium Full Connector Assignments Camera Frame Grabber Camera Link Signal ARS Connectors iqnal Directi Name in Pin Signal Direction frame grabber pinout camera pinout Inner shield 1 1 N A Inner shield 14 14 N A YO 25 2 CAM lt FG YO 12 15 CAM FG Y1 24 3 CAM lt FG Y1 11 16 CAM lt FG Y2 23 4 CAM gt FG Y2 10 17 CAM lt FG Yclk 22 5 CAM FG Yclk 9 18 CAM FG Y3 21 6 CAM lt FG Y3 8 19 CAM gt FG 100Q 20 7 N A terminated 7 20 N A Z0 19 8 CAM lt FG 20 6 21 CAM gt FG Z1 18 9 CAM gt FG 21 5 22 CAM lt FG Z2 17 10 CAM lt FG Z2 4 23 CAM lt FG Zclk 16 11 CAM FG Zclk 3 24 CAM FG Z3 15 12 CAM lt FG 23 2 25 CAM lt FG Inner shield 13 13 N A Inner shield 26 26 N A FG Frame Grabber CAM Camera 20 3 Mechanical 3 1 Dimensions The CLM 611 Camera Link Video splitter cabinet dimensions are shown in Figure 3 1 The CLM 611 is housed in a sturdy aluminum enclosure The body is extruded aluminum with detachabl
8. ace 2 1 Front Panel Connections The CLM 611 Camera Link Multiplexer front panel is shown in Figure 2 1 The front panel contains six 26 pin MDR video connectors two for camera A two for camera B and two for the frame grabber The MDR 26 connector is a 3M device as specified in the Camera Link Spec Figure 2 2 identifies the MDR 26 pin positions Vivid Engineering Camera Link Multiplexer CLM 611 calle Sale acl Medium Full Medium Full Medium Full calle olje eG yl Base Base Base FRAME GRABBER CAMERA A CAMERA B Figure 2 1 CLM 611 Front Panel pin 13 pin 1 pin 6 pin 4 Figure 2 2 MDR 26 Connector Pin Positions 2 2 Rear Panel Connections The CLM 611 Camera Link Multiplexer rear panel is shown in Figure 2 3 The rear panel contains two 26 pin MDR video connectors for connecting to camera C two 26 pin MDR video connectors for connecting to camera D the RS 232 port connector two select switches a camera selection indicator and a DC power jack The MDR 26 connectors are as described in Section 2 1 The RS 232 serial port connector is a standard 9 pin male D Sub type DB9 Figure 2 4 identifies the DB9 pin positions The Camera Select and Baud Rate select switches are 8 position rotary style The switches are recessed to avoid inadvertent changes A small screwdriver is suggested for changing switch positions The
9. ame grabber connector assignments are as defined for the camera interface in the Camera Link Specification This arrangement provides compatibility with standard Camera Link cables Tables 2 2 and 2 3 identify the signal assignments for the CLM 611 Base and Medium Full MDR 26 video connectors respectively 2 3 1 Cable Shield Grounding Camera and frame grabber cable outer shields are connected to the CLM 611 aluminum case Case and endplate contacting surfaces are unpainted providing a Faraday cage to shield internal circuitry The case is isolated from the CLM 611 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 CLM 611 and the frame grabber 18 Table 2 2 MDR 26 Base Connector Assignments ee Frame Grabber Camera Link Signal Pi Connectors iqnal Directi Name in Pin Signal Direction frame grabber pinout camera pinout Inner shield 1 1 N A Inner shield 14 14 N A X0 25 2 CAM lt FG X0 12 15 CAM FG X1 24 3 CAM lt FG X1 11 16 CAM lt FG X2 23 4 CAM lt FG X2 10 17 CAM lt FG Xclk 22 5 CAM FG Xclk 9 18 CAM FG X3 21 6 CAM lt FG X3 8 19 CAM gt FG SerTC 20 7 FG CAM SerTC 7 20 FG CAM SerTFG 19 8 CAM FG
10. e 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 1 Vivia Engineering Camera Link Multiplexer CLM 611 N elle dj dk i Medium Full Medium Full Medium Full 8 2 elle 6 2 6 alc yr Base Base Base FRAME GRABBER CAMERA A CAMERA B Figure 3 1 CLM 611 Cabinet Dimensions 21 Rear 7 02 Mounting Holes 4 0 15 dia 6 60 i 4 Front e EEN Figure 3 2 Mounting Footprint Drawing 3 2 External Power Supply The CLM 611 is powered by 5 7 VDC and incorporates a 2 1 x 5 5 mm DC power jack that accepts a standard barrel style power plug Power plug polarity is center positive The CLM 611 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 CLM 611 may also be purchased without a power supply The CLM 611 is protected by an internal resetable fuse 22 4 Revision History Table 5 1 CLM 611 User s Manual Revision History Document ID Date Changes 200686 1 0 11 19 2010 Preliminary release of manual
11. elect Mode Position 0 2400 1 4800 2 9600 3 19200 4 38400 5 57600 6 115200 7 230400 1 4 3 Serial Control The serial communication modes Switch positions 6 amp 7 enable camera selection via control messages over the Camera Link serial link or through the external serial port RS 232 or USB with optional adapter When the Camera Select switch is at position 6 the CLM 611 responds to serial messages sent over the serial link in the Camera Link interface When the switch is in position 7 the CLM 611 responds to serial messages sent via the RS 232 port located on the rear panel or USB port via optional adapter The CLM 611 incorporates a simple single command Command Line Interface CLI for controlling the CLM 611 The serial port protocol settings are conventional and are defined in Table 1 5 Note that the baud rate is determined by the Baud Rate switch 9600 baud is a common rate for control applications Table 1 5 Serial Port Settings Port Characteristic Setting Rate bits per second Per Baud Rate Switch Data Bits 8 Parity None Stop Bits 1 Flow Control None Note that when in the serial control modes the CLM 611 will default select camera A following power up Slight differences exist between the Camera Link serial link and the RS 232 USB port which will be pointed out in the following sections 1 4 3 1 USB Support Optional USB can be used instead of RS 232
12. er CLI Vivid Engineering Rev 1 0 Note that Camera A will be selected by default following power up The CLM 611 echoes back all characters received via the RS 232 while in RS 232 mode CLM 611 camera selection is controlled via the ASCH CAM MUX control message of the following form CAM MUX x lt CR gt Where x is the character A B C D or and lt CR gt is a carriage return i e RETURN or ENTER on a PC keyboard The message must be exactly as shown with one space between CAM MUX and the A B C D or 11 2 The message must be immediately followed by a RETURN i e carriage return The CLM 611 does not support the inclusion of additional spaces backspace delete etc When A D are entered the CLM 611 will immediately change selection to the corresponding camera When is entered the CLM 611 will respond by returning the current camera selection A D The message is not case sensitive Below are a few examples of valid camera selection command messages CAM MUX B cam mux C Cam Mux d The following message is an example of a camera selection query in which the CLM 611 returns the currently selected camera A B C or D on the following line Cam Mux A 1 4 3 3 Camera Link Serial Communication CLM 611 camera selection is controlled via the serial communication link in Camera Link interface when the camera control switch is i
13. n position 6 In this mode the CLM 611 is controlled via a serial port in the frame grabber Consult your frame grabber documentation for information about accessing the port Controlling the CLM 611 via the Camera Link serial link is similar to RS 232 control described in the prior section except the communication link is unidirectional The CLM 611 receives the camera control message described but does not return any messages to the frame grabber The CLM 611 will not echo received characters issue the startup message or support camera query while in this mode This restriction avoids potential communication conflicts between the camera and the CLM 611 and ensures that the camera control functions normally 12 1 5 Typical Application A typical CLM 611 Camera Link Multiplexer application is shown in Figure 1 3 Four base medium full or 80 bit cameras are connected to the multiplexer using standard Camera Link cables Another standard cable pair is used to connect the multiplexer to the frame grabber Any combination of base medium and full configuration cameras may be used including high speed 85 MHz and 80 bit types In this example the CLM 611 RS 232 port is unconnected Camera selection is being made using either the Camera Link interface camera control signals CC1 CC2 or CC3 CC4 or the Camera Link interface serial link Note that camera selection changes are hard switches The camera selection is performed immediately
14. ngs Camera Link interface signals serial or camera control and an external RS 232 port An inexpensive optional adapter supports control of the CLM 611 via a PC USB port Multiple CLM 611s may be cascaded to support more than four cameras The CLM 611 Camera Link Multiplexer is housed in a sturdy compact aluminum enclosure and is well suited for industrial and OEM applications 1 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 Windows is a trademark of Microsoft Corporation HyperTerminal is a trademark of Hilgraeve Inc Vivia Engineering Camera Link Multiplexer CLM 611 cyte 0 62 6 ol e e Medium Full Medium Full Medium Full 6 i 6 6 i 6 6 mee i 6 SRAME GRABBER CAMERA A CAMERA B 1 2 Features Interfaces up to four cameras to one frame grabber Supports all Camera Link configurations base medium full including 80 bit High speed 85 MHz design supports all Camera Link cameras M
15. ol messages Switch positions 4 5 enable camera selection based on the states of the Camera Control CC that are part of the Camera Link interface Camera selection may be made by CC signals 1 amp 2 or by 3 amp 4 Camera Control signals 3 amp 4 are often unused by the camera and are available for controlling the multiplexer Switch position 4 selects the camera based on the states of CC1 amp CC2 as shown in Table 1 2 Switch position 5 selects the camera based on the states of CC3 amp CC4 as shown in Table 1 3 Note that the frame grabber must hold the CC lines in a steady static state Table 1 2 CC1 CC2 Mode Switch 4 CC2 CC Mode 0 0 Camera A 0 1 Camera B 1 0 Camera C 1 1 Camera D Table 1 3 CC3 CC4 Mode Switch 5 014 CC3 Mode 0 0 Camera A 0 1 Camera B 1 0 Camera C 1 1 Camera D 1 4 2 Baud Rate Switch The serial control modes operate at the data rate identified by the baud rate switch The ability to select the baud rate is of particular use when the Camera Link serial communication link is being used to control both the camera and the CLM 611 The CLM 611 can be set to operate at the same data rate as the camera enabling the transfer of control messages to the camera along with control messages to the CLM 611 The baud rate switch settings are listed in Table 1 4 Table 1 4 Baud Rate Settings Camera Select Switch S
16. ra Selection The CLM 611 supports a variety of camera selection methods The different methods are described in the following sections The camera selection mode is determined by the camera select switch located on the rear panel The rear panel also includes a baud rate switch for use with the serial control modes The rear panel switches are shown in Figure 1 2 CAMERA SELECT BAUD RATE 4 CC 1 amp 2 2400 4 38400 5 CC 384 4800 5 0 A B C 6 Serial 9600 6 115200 D 7 RS 232 19200 7 230400 Figure 1 2 Rear Panel Select Switches Note that camera selection changes are hard switches The camera selection is performed immediately As a precaution care should be used to pause halt the frame grabber while the switch is being made to avoid frame grabber malfunction 1 4 1 Camera Select Switch The Camera select switch provides eight camera selection modes The camera select modes are defined in Table 1 1 The selection modes are described in the following sections Table 1 1 Camera Select Modes Camera Select Switch Mode 0 Camera A Camera B Camera C Camera D Camera Control 001 amp CC2 Camera Control CC3 amp CC4 Camera Link serial link RS 232 serial port or USB NIL AJOJN Switch positions 0 3 provide fixed camera A B C D selection Camera selection is fixed static and is unaffected by the camera control signal states or the serial contr
17. rial communication Camera Link or RS 232 USB is used to select the camera the data rate is specified via the rear panel baud rate switch The baud switch enables the user to operate the CLM 611 at the same data rate as the camera so camera and CLM 611 control messages can be combined on the same serial link More details are provided in Section 1 4 3 The CLM 611 camera and frame grabber interfaces incorporate the connector signals pinout and chipset in compliance with the Camera Link specification The CLM 611 incorporates the full i e dual cable configuration signal set consisting of video data camera control and serial communications The CLM 611 also works with 80 bit medium configuration and base configuration single cable configuration cameras The CLM 611 incorporates high speed 85 MHz interfaces The CLM 611 adds minimal delay i e latency to the video data path This is an important criterion for time critical applications The latency through the CLM 611 is a fixed 5 pixel clock delay The pixel clock is established by the camera and can range from 20 85 MHz Therefore the CLM 611 fixed delay can range from 59 to 250 nS depending on camera The delay added by the CLM 611 for the camera control and serial communication signals is under 15 nS LED camera select indicators are located next to the camera connectors to identify the current camera selection Multiple CLM 611s may be cascaded to support more than four
18. ultiple camera selection methods Camera Link interface serial messages Camera Link interface Camera Control CC signals Standard RS 232 port Standard USB port w optional adapter Fixed selection via switch settings Passes all interface signals video data serial comm camera control Minimal video data pass through latency 5 camera pixel clocks Minimal control communication pass through latency under 15 nS May be cascaded to support greater than four cameras LED camera select indicators Sturdy compact aluminum enclosure w mounting flange Multi nation power supply and RS 232 cable included 3 year warrantee 1 3 Functional Description A block diagram of the CLM 611 is provided in Figure 1 1 The CLM 611 interfaces up to four base medium full or 80 bit configuration Camera Link cameras to one frame grabber using standard Camera Link cables This capability supports applications requiring the ability to select between multiple cameras Two of the cameras denoted A amp B connect to the front of the CLM 611 as does the frame grabber The remaining two cameras demoted C amp D connect to the rear The camera selection method is determined by the Camera Select switch located on the rear panel The camera selection options are Camera Link serial port messages Camera Link Camera Control signals CC1 CC2 or CC3 CC4 External RS 232 or USB w optional adapter serial port messages Fixed selection A B C or D When se
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