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Digital Monochrome and Color
Megapixel Progressive Scan Cameras
+ +
CV-M4 /M4 CL
+ +
CV-M7 /M7 CL
Operation Manual
Camera: Revision B
Manual: Version 1.0
Preliminary
M4plusBman1may07.doc
JPT 07-05-03
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL Table of contents 1. General ........................................................................................................2 2. Standard Composition ......................................................................................2 3. Main Features ................................................................................................2 4. Locations and Functions ...............................................................
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 1. General + + + + This manual will cover the following 4 cameras: CV-M4 /CV-M4 CL and CV-M7 /CV-M7 CL. The revision B cameras are updated with a new function, Restart Continuous Trigger mode (RCT). The trigger can be H a-synchronous or H synchronous. Binning is now only vertical. The cameras are based on progressive scan 2/3” CCD megapixel interline transfer sensors. + CV-M4 is a digital monochrome progressive scan CCD camera with LVDS output. + CV-
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 4. Locations and Functions 1. CCD sensor 2. Lens mount (C-mount) 3. Rear panel with SW1 4. Digital output connector 5. DC in/Trigger in/RS-232C connector 6. Gain potentiometer 7. Mounting holes M3 Fig. 1. Locations - 3 -
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 5. Pin Assignment 5.1. 12-pin Multi-connector (DC-IN/RS232C) Type: HR10A-10R-12PB-01 (Hirose) male. (Seen from rear of camera.) Pin no. Signal Remarks 1 GND 2 +12 V DC input 1 9 3 GND 2 8 10 4 Video output Analogue video for test and iris control *) 5 GND 3 11 7 12 + 6 RXD in Or via Camera Link for CL versions 4 6 5 if JP 301 short 7 TXD out 8 GND *1) composite sync. 9 EEN/sync out *2) Or on LVDS or Camera Link. 10 Trigger
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 5.3. Digital Output Connector for Camera Link + + This pin configuration is only valid for CV-M4 CL and CV-M 7CL Pin no. Signal Function Remarks 1 14 Shield Shield 2 15 -/+ TX0 Video signal, LEN, FEN, Multiplexed signals 2 16 -/+ TX1 DVAL and EEN 4 17 -/+ TX2 5 18 -/+ TXCLK Pixel clock Multiplexed signals 6 19 -/+ TX3 Video, LEN, FEN, DVAL, EEN 7 20 +/- STC RXD in Or via pin #6 # 7 12pin if JP 301 open 8 21 -/+ STFG TXD out *1)
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 5.4. Input and Output Circuits Video Video L L 5.4.1. Video output Output Output 1 1µ µ2 2 75 75 Bl Blac ack k The analogue video output without composite lev level el #4/12 #4/12 sync is a 75 Ω DC coupled circuit. It is for test 500 mV 500 mV 68p 68p only. It can be used for iris control if the NC NC GN GND D GND GND camera is in normal mode. The video black level is 0.5 volt without termination. The video is without composite sync. Analogue video in p
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 5.4.5. Camera Link interface For Camera Link the digital output signals follow the Camera Link standardized multiplexed signal output interface. The output driver is NS type DS90CR283, and the receiver is NS type DS90CR284. The data bits from the 10 bit digital video, FEN, LEN. EEN and DVAL are multiplexed into the twisted pairs, which are a part of the Camera Link. Trigger signals and the serial camera control is feed directly through its own pair.
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL + 5.5. CV-M4 Block Diagram Fig. 9. Block diagram for the camera 6. Functions and Operations 6.1. Basic functions The CCD scanning format can be selected between full or partial scanning. With partial scanning only the vertical central part of the CCD sensor is read out with a higher frame rate. The partial scan is done by a fast dump read out of the lines in the vertical ccd register down to the top of the partial image. The partial part of the im
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL Binning mode is a function where the signal charge from 2 or more adjacent pixels are added together and read out as one pixel. A resulting full frame with lower spatial resolution can be + read out with a higher rate, and higher sensitivity. The CV-M4 has vertical binning where the pixel charge from 2 adjacent lines are added together in the horizontal ccd register. It is done by double pulses to the vertical ccd register. Lowest shutter speed is 1/50.
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL + + Color versions CV-M7 and CV-M7 CL These color cameras are identical to the monochrome cameras. Only the CCD sensor is changed to a RGB primary color type. Here the color mosaic lay out is shown in fig. 13. left. This lay out is known as a Bayer filter. Based on the knowledge to this mosaic, a full RGB signal can be constructed by some calculations in the host Pc as shown in the following example. For the precise position of the R, G and B pixels
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL Restart Continuous Trigger mode. RCT. The RCT mode makes it possible to use a lens with video controlled iris for intelligent traffic surveillance applications, ITS. The camera is running continuously, and the iris is controlled from the iris video output. When a trigger pulse is applied, the scanning is reset, the previous signal is dumped with a fast dump read out, and the new triggered exposure is started. This fast dump read out takes 133 H (5,23 m
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 6.3. Continuous Operation (Non triggered) Mode settings can be done with either RS-232C or switches. Trigger Mode Normal. TR=0. It is for applications where the camera is continuous running without external trigger. The shutter mode can be normal or programmable exposure. (SM=0, SM=1). The shutter will work in all 10 steps up to 1/10,000 second or with the programmable exposure in 1056 steps. In partial scanning and + + binning modes (M4 and M4CL only), s
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL Fig. 17. Vertical timing details, full frame. + + Fig. 17A. Vertical timing details with vertical binning (M4 and M4 CL only). - 13 -
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL Fig. 18. Vertical timing details with 1/2 partial scanning. Fig. 18A. Vertical timing details with 1/4 partial scanning. Fig. 18B. Vertical timing details with 1/8 partial scanning. Table showing timing figures for continuous modes Scanning Lines/ Lines in Pixels/ Pixels/line H time Rate Pix clk Remarks mode frame video out line in video out fps MHz µs Full 1060 1030 1592 1380 39.32 24 40.49 H binning removed on rev. B
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 6.4. External Trigger Modes This camera has 3 external asynchronous trigger modes, which can be set by RS-232C commands or switches. 1. Edge Pre-select Mode. TR=1 Pre-selected exposure. (SM=0, SM=1) 2. Pulse Width Control Mode. TR=2 Pulse width controlled exposure. 3. Frame Delay read out mode. TR=3 Pre-select exp. Read out by trailing trig. edge. The trigger can be H synchronous (HC=0) or H a-synchronous (HC=1). Refer to fig. 12. In H synchro
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 6.5. Edge Pre-select Mode The trigger leading edge will start the exposure H synchronous or H a-synchronous (HC=0, HC=1). The exposure stops and is read out after the shutter time selected. It can be the 10 steps in normal or 1056 steps in programmable. SM=0 or SM=1. This mode will operate with full and + + partial scanning and with V-binning (M4 and M4CL only). Partial scanning and binning in combinations is not allowed. In this mode the Restart Cont
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL Remark that the dump read out in smearless takes 133H before the accumulation start. Fig. 20A. Edge Pre-select, smearless Fig. 21. Edge Pre-select with Restart Continous Trigger. - 17 -
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 6.6. Pulse Width Control Mode In this mode the exposure starts from the leading edge of the trigger pulse, H synchronous or H a-synchronous. It stops at the trailing edge of the trigger pulse, and the resulting video is read + out. This mode will operate with full and partial scanning and with all binning modes (M4 and + M4 CL only). Partial scanning and binning in combinations is not allowed. The pulse width control mode can be used for long time inte
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+ + + + CV-M4 /M4 CL, CV-M7 /M7 CL 6.7. Frame-delay read out Mode In this mode the pre selected exposure starts from the leading edge of the trigger pulse, H synchronous or H a-synchronous. It can be the 10 steps in normal or 1056 steps in programmable. SM=0 or SM=1. The resulting video is read out at the trailing edge of the trigger. + + This mode will operate with full and partial scanning and with V binning (M4 and M4 CL only). Partial scanning and binning in combinations is not allow
