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BE-IR20 / 21
Infrared B/W Camera Module
Operation Guide
Please read this operation Guide carefully for proper operation, and keep it for future refernce.
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Table of Contents 1. Introduction 2 2. General 2 3. Composition 2 4. Specifications 2 5. Notes to users 4 6. External view 6 7. Optical dimensions 6 8. Installation 7 9. Typical connection 8 10 External sync (BE-IR21) 10 11 Function settings and changes 11-1 AGC on / off 12 11-2 Gamma response 13 11-3 Auto electronic shutter on / off 14 11-4 Changes to fixed shutter mode 15 11-5 BE-IR20 external sync 16 11-6 BE-IR21 internal sync 17 11-7 HD and VD output
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1. Introduction Thank you very much for your purchase of the Hitachi BE-IR20/21 Black and White Camera Module. Prior to using this camera , read this manual carefully. 2. General The Hitachi BE-IR20/21 are black and white camera modules using a 1/4 inch interline CCD. The BE-IR20/21 are so small that they are most suitable for use with the equipment provided with limited space. BE-IR20 : Internal sync BE-IR21 : External sync 3. Composition 1) Black and white camera module 1 2) Interfa
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4． ． ． ．Specifications 8) External sync input HD & VD : 5V peak-to-peak negative Ω Input impedance : 1k ± Frequency deviation : 1% Ω 9) Video output 1.0 Vp-p, 75 , unbalanced Video component : 0.7 Vp-p Sync component : 0.3 Vp-p negative 10) Resolution EIA : 570(H) 380(V) TV lines CCIR : 560(H) 380(V) TV lines 11) Signal to noise ratio 56 dB 12) Auto electronic shutter Provided (factory setting OFF) 13) Automatic gain control (AGC) Max. 32 dB approx. Fixed gain(factory setti
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5. Notes to users Power supply Connect a 9V DC voltage (8.5 to 9.5V) from an external regulated DC power supply. Use a stable power supply without ripple and noise. Prior to turning on the power switch , check that the polarities of the power cable are correct , referring to the connection diagram (Page 8 , 9) To protect CCD (sensor) Do not touch the glass surface of the CCD sensor to avoid deterioration in picture quality due to dirt and scratches. If the glass surface of the sensor
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5. Notes to users Phenomena inherent to CCD imaging device Following are phenomena inherent to a CCD imaging device , and not defects. Smear and blooming When strong light (lamp , fluorescent lamp , reflected light , etc.) is shot , pale bands are displayed vertically above and below the light. In this case , change the angle of the camera so that such strong light does not enter the camera through the lens. Fixed pattern noise When the camera is operated in a high temperatu
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6. External view Dimensions 7. Optical dimensions Lens Lens-mount 19.2 ± 0.5 (C-mount) Extension of optical path due CCD 1.4 ± 0.2 to the thickness of CCD glass is considered. Base plate Imaging face BE-IR20 / 21 6
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8. Installation When installing the camera in a housing or unit of equipment, secure with two M2 screws inserted into the 2.5 mm diameters holes of the SENS board base plate. Two 2.5 mm Dia. SENS board 1. Use the SENS board holds to install the camera. Avoid using only the Main board, due to risk of damage to the board connector. Notes : 2. Avoid unnecessary stress on the printed board when engaging and disengaging the connectors. 3. The screws securing the base plate and SENS board protr
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9. Typical connection BE-IR20 Image processor or Connector Video monitor B7B-ZR (Note 1) Housing ZHR-7 BLK YEL GRN Regulated power supply (More then 300 mA) RED Note1 : • When more than one video monitor is connected in series , set the 75Ω termination switch on the last unit to ON. DC9V Note2 : • Supply voltage range : 8.5 to 9.5V (Note 2) • Be sure to check the polarities of the power source before turning on the external DC power supply. BE-IR20 / 21 8
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9. Typical connection BE-IR21 Image processor or Connector Video monitor B7B-ZR (Note 1) Housing ZHR-7 BLK YEL GRN Regulated power supply (More then 300 mA) RED HD VD External sync signal GND Note1 : • When more than one video monitor is connected in DC9V series , set the 75Ω termination switch on the last unit (Note 2) to ON. Note2 : • Supply voltage range : 8.5 to 9.5V • Be sure to check the polarities of the power source before turning on the external DC power sup
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10. External sync (BE-IR21) Supply sync signals (HD and VD) for BE-IR21 operation. Refer to connection on page 9. Horizontal and vertical drive signal inputs HD EIA: f(H) = 15.734 kHz 1 % VD EIA: f(V) = 59.94 Hz (f(V) = f(H) 262.5) Input level HD 4 to 6 Vp-p negative VD 4 to 6 Vp-p negative Input impedance 1 k Drive signal input waveform Vertical drive signal (VD) Horizontal drive signal (HD) T=1/f(H) T=1/f(V) 4 6Vp-p 4 6Vp-p Approx. 6.7µ s Approx. 0.6ms HD and VD p
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11. Function setting and changes When changing the function settings , perform the work with thorough care. Be sure to use anti-static measures such as a grounding band. Also observe safety precautions when soldering to avoid burn and fire hazards. Hitachi Denshi assumes on liability for damage or injury resulting from such work. Since the function setting can be provided at the time of shipment , consult a Hitachi Denshi representative. 11-1 AGC on / off Factory setting is AGC off (fixed g
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11. Function setting and changes 11-2 Gamma response The factory setting is gamma on. If necessary , the gamma response can be changed as follows. Change the gamma response by changing the chip part. Gamma(γ)response R217 R218 R219 ON Absent 0Ω 0Ω Factory setting OFF 0Ω Remove Remove 0Ω : Part code RME1784 Description ERJ3GEYJ0R00V Location of chip capacitors (Main board side B) BE-IR20 / 21 12
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11. Function setting and changes 11-3 Auto electronic shutter on / off Factory setting for auto electronic shutter is off. If necessary , it can be set to on. Absent the R259 , R260 chip to set the auto electronic shutter to on. Auto electronic shutter R259 R260 OFF 0Ω 0Ω Factory setting ON Absent Absent 0Ω : Part code RME2068 Description ERJ2GE0R00X Location of chip resistors (Main board side B) BE-IR20 / 21 13
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Fixed shutter mode 11. Function setting and changes 11-4 Changes to fixed shutter mode The fixed shutter mode can be changed by replacing the chip parts indicated below. Mode R259 R260 R261 R262 R263 R264 R265 R266 R267 R268 R269 Factory Normal mode 0Ω 0Ω Absent 0Ω Absent 6800 10k 27k 10k 10k 27k setting Auto electronic Remove Remove Absent 0Ω Absent shutter mode EIA 1/100 Remove 0Ω 0Ω Remove Absent 0Ω 0Ω Remove 0Ω 0Ω Remove CCIR 1/120 1/250 Remove Remove 0Ω 1/500 Absent Remove 0Ω 0Ω 0Ω Remove
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11. Function setting and changes 11-5 BE-IR20 external sync The BE-IR20 factory setting is for internal sync. If required, this can be changed to external sync by changing chip parts. Change the following chip parts for external sync operation. Sync system R280 R281 R282 R284 Internal 100 Ω Absent Absent 0 Ω Factory setting External Delete 0 Ω 100 Ω Delete 0 Ω Part code RME1784 Type ERJ3GEYJ0R00V 100 Ω Part code RME1797 Type ERJ3GEYJ101V (Main board side A) (Main board side B) Location of c
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11. Function setting and changes 11-6 BE-IR21 internal sync The BE-IR21 factory setting is for external sync. If required, this can be changed to internal sync by changing chip parts. Change the following chip parts for internal sync operation. Sync system R280 R281 R282 R284 External Absent 0 Ω 100 Ω Absent Factory setting Internal 100 Ω Delete Delete 0 Ω 0 Ω Part code RME1784 Type ERJ3GEYJ0R00V 100 Ω Part code RME1797 Type ERJ3GEYJ101V (Main board side A) (Main board side B) Location of c
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11. Function setting and changes 11-7 HD and VD output (BE-IR20 only) The BE-IR20 can be provided with horizontal and vertical drive outputs by changing chip parts. Change the following chip parts to provide HD and VD outputs. R233 R239 R240 R241 R242 R248 R249 R250 Factory setting 0 Ω Absent 0 Ω Absent 0 Ω Absent 0 Ω Absent HD & VD output Delete 0 Ω Delete 0 Ω Delete 0 Ω Delete 0 Ω 0 Ω Part code RME1784 Type ERJ3GEYJ0R00V Connector pin assignments after change Pin No. Signal Video out Vide
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12. Options LA-IR20 Mount adapter dimensions Remove c-mount attachment to use as cs-mount. BE-IR20 / 21 18
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12. Options BE-IR20/21 and LA-IR20 combined dimensions BE-IR20 / 21 19
