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User Manual

SW-4000TL-SFP

Thank you for purchasing this product.

Be sure to read this manual before use.

This manual includes important safety precautions and instructions on how to operate the unit. Be sure to read 

this manual to ensure proper operation.

The contents of this manual are subject to change without notice for the purpose of improvement.

© 2019 JAI

High Speed CMOS Trilinear Camera

Document Version: 1.2

SW-4000TL-SFP_Ver.1.2_Nov.2020

Summary of Contents for SW-4000TL-SFP

Page 1: ...des important safety precautions and instructions on how to operate the unit Be sure to read this manual to ensure proper operation The contents of this manual are subject to change without notice for the purpose of improvement 2019 JAI High Speed CMOS Trilinear Camera Document Version 1 2 SW 4000TL SFP_Ver 1 2_Nov 2020 ...

Page 2: ...ecibel Display and Multiplier Display 62 User s Record 63 Index 64 Revision history 65 Notice Warranty Certifications 3 Usage Precautions 5 Features 6 Parts Identifications 7 Preparation 11 Preparation Process 11 Step 1 Installing the Software 11 Step 2 Connecting Devices 12 Step 3 Verifying Camera Operation 14 Step 4 Verifying the Connection between the Camera and PC 14 Step 5 Changing the Camera...

Page 3: ...ed and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio co...

Page 4: ... for the Administration of the control of Pollution by Electronic Information Products known as China RoHS The table shows contained Hazardous Substances in this camera mark shows that the environment friendly use period of contained Hazardous Substances is 15 years SW 4000TL SFP ...

Page 5: ...tire video monitor screen Defective pixels Defective pixels white and black pixels of the CMOS image sensor are minimized at the factory according to shipping standards However as this phenomenon can be affected by the ambient temperature camera settings e g high sensitivity and long exposure and other factors be sure to operate within the camera s specified operating environment Notes on exportat...

Page 6: ...y of pre process functions LUT Lookup Table Programmable control over gamma and contrast is possible Gamma correction Gamma can be set to 1 0 0 9 0 8 0 75 0 65 0 6 0 55 0 5 or 0 45 off Shading correction flat field Non uniformity i e shading in the amount of light generated by the lens and lighting equipment can be corrected Variable line rate By varying the line rate the scanning speed of the cam...

Page 7: ...TL SFP Lens mount M42 mount F mount Mount a M42 mount lens F mount lens etc here Before mounting a lens be sure to refer to Step 2 Connecting Devices and confirm the precautions for attaching a lens and the supported lens types 7 ...

Page 8: ...dard to be used the cable type and the maximum cable length are limited For details refer to Step 2 Connecting Devices LED Light Status Lit amber Camera initializing SFP module not inserted Not compatible SFP module inserted The Ethernet Link has not been established Lit green Camera in operation Blinking green During operation in trigger mode trigger signals are being input The blinking interval ...

Page 9: ...wer supply optional or for DC IN trigger IN here SW 4000TL SFP 9 TTL signal specification TTL out signal specification Typ Output voltage Low 0 0V High 5 0V Input Output current 32mA TTL in signal specification Typ Input voltage Low 0 0 0 8V High 2 0 5 5V Note Be sure to use a power supply that can support the maximum power consumption of this camera 12 4 W Compatible connectors Camera side HR10A ...

Page 10: ... structural system SW 4000TL SFP 10 AUX connector 10 pin User side CAMERA side User side JAI Camera side Recommended external input circuit diagram reference example Caution About Opto In Check the recommended external input circuit diagram reference example and connect correctly If you connect Opto In 1 and Opto In 2 in reverse camera may be damaged Compatible connectors Camera side 3260 10S3 55 ...

Page 11: ...the procedures for adjusting the gain white balance and black level as examples and adjust the image quality SW 4000TL SFP Preparation Preparation Process Step 1 Installing the Software first time only When using the camera for the first time install the software for configuring and controlling the camera eBUS SDK for JAI on the computer When you install eBUS SDK for JAI eBUS SDK for JAI player wi...

Page 12: ...pending on the lens Caution Note The following formula can be used to estimate the focal length focal length WD 1 W w WD Working distance distance between lens and object W Width of object w Width of sensor 30 72 mm on this camera Direct connection When mounting the camera directly to another device for example use screws that match the camera locking screw holes on the camera M3 5 mm depth For he...

Page 13: ...ble The longest cable length varies depending on the type of 10GBASE R standard and SFP module Below the table shows the relationship diagram between fiber optic cable type and 10GBASE R standard Correctly select the fiber optic cable type according to the 10GBASE R standard and SFP module to be used Maximum Fiber optic cable length 10GBASE SR 300m Fiber optic cable type OM3 400m Fiber optic cable...

Page 14: ...era to Control Tool 1 Startup eBUS Player for JAI eBUS Player for JAI startup screen appears When power is supplied to the camera while the necessary equipment is connected the POWER TRIG LED at the rear of the camera lights amber and initialization of the camera starts When initialization is complete and Ethernet link is established the POWER TRIG LED lights green Verify whether power is being su...

Page 15: ...SW 4000TL SFP 15 The connected camera is listed Please select one camera Push Select Connect button 2 Select the camera you want to configure ...

Page 16: ...d Push the Device control button The screen shown below will be displayed In this window you can adjust various settings of the camera This completes the procedure for verifying whether the camera is properly recognized and whether control and settings configuration are possible ...

Page 17: ...amera 1 Set Exposure Mode to Timed 2 Specify the exposure time in Exposure Time 3 Set Trigger Mode to On and set Trigger Selector to Line Start 4 If necessary change the Trigger Source and Trigger Activation settings When Controlling the Exposure Time Using Specified Exposure Times Configure the settings as follows Control via External Triggers When Controlling the Exposure Time Using the Pulse Wi...

Page 18: ...period slower than the exposure time in Acquisition Line Rate 4 Specify the exposure time in Exposure Time When Controlling the Exposure Time Using Specified Exposure Times Configure the settings as follows Control Without External Triggers When Not Controlling the Exposure Time Configure the settings as follows The exposure will be performed with an exposure time equal to 1 line rate The exposure...

Page 19: ...ontrol to True When a time consuming process such as white balance is performed this camera returns an Ack response when the process is completed In this case some camera control software may cause a timeout error without waiting for an Ack response from the camera When the GevGVCPPendingAck setting is enabled if a time consuming process is performed the camera immediately returns a Pending Ack re...

Page 20: ... Balance White Auto tab and select Once The white balance is automatically adjusted 3 Perform DSNU correction For details on this setting Pixel Sensitivity Correction 4 Perform PRNU correction For details on this setting Pixel Sensitivity Correction 5 Adjust the black level For details on this setting Black Level Correction To maximize the performance of the camera configure its basic function in ...

Page 21: ...d when the camera is turned off By saving current setting values to user memory you can load and recall them whenever necessary You can save up to three sets of user settings in the camera User Set1 to 3 eBUS SDK for JAI Player 一時メモリ UserSet1 UserSet2 UserSet3 DefaultSet Working Set Memory Flash Memory RAM Note Changes to settings are not saved to the computer eBUS SDK for JAI To save user setting...

Page 22: ...UserOutput2 UserOutput3 Action0 ー ー ー ー ー ー ー ー ー ー Action1 ー ー ー ー ー ー ー ー ー ー Action2 ー ー ー ー ー ー ー ー ー ー Action3 ー ー ー ー ー ー ー ー ー ー PulseGenerator0 ー ー ー ー PulseGenerator1 ー ー ー ー PulseGenerator2 ー ー ー ー PulseGenerator3 ー ー ー ー Encoder Trigger Encoder Direction ー ー ー ー ー Logic Block 0 ー Logic Block 1 ー Acquisition Active ー ー ー ー ー ー ー ー ー Exposure Active ー ー ー ー ー LVAL ー ー ー ー ー Signals to use...

Page 23: ... can input output the following signals to and from external input output connectors These signals can be used as triggers and other necessary signals within the camera or as signals output from the camera to the system such as those used for lighting equipment control Signals are selected as follows When using external signals or the signals of each GPIO module as trigger signals Select in Trigge...

Page 24: ...image acquisition in response to the external trigger signal input AcquisitionEnd Stop image acquisition in response to the external trigger signal input FrameTransferStart Output acquired images at a specified timing in response to an external trigger signal input There is a limit to the number of image frames that can be stored internally The limits for each image format are as follows Acquired ...

Page 25: ... 0 3 3 8 42 9 6 56 2048 15 02 0 3 3 8 38 2 3 28 16 15 02 0 3 3 8 33 6 0 03 4096 15 02 0 3 3 8 42 9 6 56 2048 15 02 0 3 3 8 38 2 3 28 16 15 02 0 3 3 8 33 6 0 03 4096 15 02 0 3 3 8 42 9 6 56 2048 15 02 0 3 3 8 38 2 3 28 16 15 02 0 3 3 8 33 6 0 03 4096 15 02 0 3 3 8 42 9 6 56 2048 15 02 0 3 3 8 38 2 3 28 16 15 02 0 3 3 8 33 6 0 03 4096 15 02 0 3 3 8 42 9 6 56 2048 15 02 0 3 3 8 38 2 3 28 16 15 02 0 3...

Page 26: ...AL Active D μs 4096 15 02 0 3 42 9 6 56 2048 15 02 0 3 38 2 3 28 16 15 02 0 3 33 6 0 03 4096 15 02 0 3 42 9 6 56 2048 15 02 0 3 38 2 3 28 16 15 02 0 3 33 6 0 03 4096 15 02 0 3 42 9 6 56 2048 15 02 0 3 38 2 3 28 16 15 02 0 3 33 6 0 03 4096 15 02 0 3 42 9 6 56 2048 15 02 0 3 38 2 3 28 16 15 02 0 3 33 6 0 03 4096 15 02 0 3 42 9 6 56 2048 15 02 0 3 38 2 3 28 16 15 02 0 3 33 6 0 03 4096 15 02 0 3 42 9 ...

Page 27: ...ve Falling E μs 4096 15 02 0 3 42 9 6 56 0 3 2048 15 02 0 3 38 2 3 28 0 3 16 15 02 0 3 33 6 0 03 0 3 4096 15 02 0 3 42 9 6 56 0 3 2048 15 02 0 3 38 2 3 28 0 3 16 15 02 0 3 33 6 0 03 0 3 4096 15 02 0 3 42 9 6 56 0 3 2048 15 02 0 3 38 2 3 28 0 3 16 15 02 0 3 33 6 0 03 0 3 4096 15 02 0 3 42 9 6 56 0 3 2048 15 02 0 3 38 2 3 28 0 3 16 15 02 0 3 33 6 0 03 0 3 4096 15 02 0 3 42 9 6 56 0 3 2048 15 02 0 3 ...

Page 28: ...ng exposure time is set the dark current in the sensor may change and the state of the PRNU may change DSNU Correction Pixel Black Correct DSNU dark signal non uniformity is a variation between pixels in the dark areas generated by the sensor If the line rate is slowed or a long exposure time is set the dark current in the sensor may change and the state of the DSNU may change Black level Correcti...

Page 29: ...ine adjustment for R and B Master Mode and a mode where R G and B gain are adjusted individually Individual Mode Master Mode Set Individual Gain Mode to Off and adjust the gain by configuring the following three items Digital All x 1 x 32 0dB 30dB Digital Red x 0 4 x 4 7 96dB 12dB Digital Blue x 0 4 x 4 7 96dB 12dB Individual Mode Set Individual Gain Mode to On and adjust the gain by configuring t...

Page 30: ...ted index SW 4000TL SFP 30 Lookup Table LUT The LUT function is used to generate a non linear mapping between signal values captured on the sensor and those that are output from the camera You can specify the output curve using 257 setting points indexes To use the LUT function Configure the settings as follows LUT Value LUT values range from 0 at the lowest to 4095 at the highest Linear interpola...

Page 31: ...f the monitor are not linear the entire image may be darker or the gradation in the dark areas may be less noticeable when camera outputs are displayed without processing The gamma function can be used to correct the camera signals with an opposite direction curve and produce a display that is close to linear 0 0 2 0 4 0 6 0 8 1 0 1 2 Example of the light emitting properties of the monitor display...

Page 32: ...mode but is effective when used during actual use You can also save the setting and have it applied whenever the power is subsequently turned on For details on saving the setting see Step 7 Saving the Settings For Flat Shading and Color Shading the maximum correction gain amount is limited to 8 times the gain amount before correction in all pixels If the highest luminance level in the image is 175...

Page 33: ...signal is output to the DC IN TRIG IN connector 12 pin round or AUX connector Example Output to DC IN TRIG IN connector 12 pin round Trigger Exposure EEN Internal External Test Pattern Function You can display the following types of test patterns Off White GrayPattern1 GrayPattern2 ColorBar Video output is not possible while a test pattern is being executed This function is not dependent on gain a...

Page 34: ... properly To display them properly XYZ or HSI compatible image processing must be performed on the computer side Caution Configuration 3x3 table Select the item you want to configure in ColorMatrixValueSelector And configure the value in ColorMatrixValue ColorMatrixValue can be set to a value from 2 to 2 ColorTransformation ColorTransformationMode ColorTransformationRGBMode RGB sRGB RGB sRGB RGB A...

Page 35: ...s Counter2 Counts the number of Exposure Start instances Counter3 Counts the number of Frame Trigger instances Counter4 Counts the number of Frame Start instances Counter5 Counts the number of Frame Transfer End instances When a problem occurs in a system that includes this camera comparing the values from multiple counters allows you to verify the extent of normal operability and can be useful wh...

Page 36: ...sing Edge Counter5 Falling Edge Specify timing at which to count This setting is fixed Item Counter 0 5 SW 4000TL SFP 36 Internal camera blocks Event detection Counter At event occurrence or count up Counter At event occurrence or count up Counter At event occurrence or count up Counter At event occurrence or count up Counter reset Read requested counter value Internal MCU of camera Send informati...

Page 37: ... Correction Lens1 2 3 4 0 to 4 0 in steps of 0 1 2 Similarly correct the B channel Set Chromatic Aberration Correction Selector to B Channel Specify the amount of correction in Chromatic Aberration Correction Lens1 2 3 4 0 to 4 0 in steps of 0 1 3 Enable the chromatic aberration of magnification correction function Set Chromatic Aberration Correction Mode to On Alternatively select preset Lens1 Le...

Page 38: ...y decimation of output trigger of rotary encoder When N is not an integer multiple of 65536 Using the time interval of the output trigger of the rotary encoder Camera internal trigger is generated so that the set division ratio is obtained Note If the time interval of the output of the rotary encoder fluctuates greatly the output of the camera internal trigger generated may also fluctuate greatly ...

Page 39: ...et Y will not be sent Data Trailer GigE Vision Data Leader GigE Vision One frame of image data Offset Y 0 When using Frame Start Trigger after receiving Frame Start Trigger skip the image data of the number of lines of Offset Y and send the data of Data Leader image data Data Trailer Upon completion of data transmission for one frame no data will be sent until the next Frame Start Trigger is recei...

Page 40: ...ional Scanning Function The ROI region of interest function allows you to output images by specifying the areas to scan ROI Settings Specify the area to scan by specifying width and horizontal offset values under Image Format Control The setting ranges for the ROI function s readable area based on the Binning setting Binning Horizontal are as follows Offset X pixels Offset Y pixels BinningHorizont...

Page 41: ...set ChunkEnable from False to True The Chunk Data function settings cannot be changed during image output To change the settings stop Acquisition Caution Note When ChunkModeActive is set to True ChunkImage is automatically set to True For items that can be added to image data as Chunk Data refer to n ChunkDataControl in the setting item list Delayed Readout Delayed readout allows images captured b...

Page 42: ...L End SW 4000TL SFP Event Control Function The Event Control Function is a function that outputs a signal change point inside the camera as information indicative of an event occurrence event message by using GVCP GigE Vision Control Protocol Events that can use the Event Control Function Events that can use the Event Control Function are as follows You can specify whether or not to send an event ...

Page 43: ...ngs of the camera 1 Specify ActionDeviceKey 2 Then specify two actions that can be configured on the camera Action1 Select 1 in ActionSelector Specify ActionGroupMask ActionSelector Specify ActionGroupKey ActionSelector Action2 Select 2 in ActionSelector Specify ActionGroupMask ActionSelector Specify ActionGroupKey ActionSelector 3 Set triggers AcquisitionStart AcquisitionEnd FrameStart Acquisitio...

Page 44: ...ved but it affects the sense of resolution and sensitivity An imaging test should be performed before deciding to use this feature Select the target to apply the filter from Median Filter Selector or FIR Filter Selector of JAI Custom Control Pixel Correction from Red Green Blue and set the Median Filter Mode or FIR Filter Mode When set to On this function is enabled Both functions are disabled Off...

Page 45: ...d it returns an ACK response Then execute reset Mainboard Mainboard Select the area of the camera s interior for which to display the temperature sensor s reading fixed Mainboard DeviceTemperature C ー ー Display the internal temperature C of the camera 0 9223372036854775807 maximum value of unsigned 64 bit 0 Display the timestamp value Resets to 0 when the signed maximum 64 bit value is exceeded ー ...

Page 46: ... ー 66 Display the frame rate as a frequency unit Hz 66 66 Set the AcquisitionLineRate Hz The maximum value varies depending on the PixelFormat and ROI settings ー Acquisition Start Select the trigger operation Setting range Acquisition Start Acquisition End Line Start Frame Start Frame Transfer Start TriggerMode Off On Off Select the trigger mode TriggerSource ー Line4 TTL In 1 Select the trigger si...

Page 47: ...Off Enable disable auto white balance 16 4096 step 16 4096 Set the area for adjusting white balance 0 4080 step 16 0 Set the area for adjusting white balance ー Idle Display the result for adjusting white balance 0 Idle 1 Succeeded 2 Error1 G image was too bright 3 Error2 G image was too dark 4 Error3 Timeout 0 45 0 5 0 55 0 6 0 65 0 75 0 8 0 9 1 0 0 45 Set the gamma value Off Gamma LUT Off Select ...

Page 48: ...ve noise from the OptIn input signal of Digital I O UserOutput0 UserOutput1 UserOutput2 UserOutput3 UserOutput0 Set the UserOutput signal UserOutputValue True False False Set the value for the UserOutput selected in UserOutputSelector Red Green Blue Red Select the channel for exposure active Setting range Default value Description Configure counter settings This camera only supports counter functi...

Page 49: ...ic Block Output signal is inverted True fixed Logic Block Input Selector 0 1 0 Selects the Logic Block s input to configure Logic Block Input Source ー Line4 TTL In 1 Selects the source signal for the input into the Logic Block Setting range Exposure Active LVAL Pulse Generator 0 Pulse Generator 1 Pulse Generator 2 Pulse Generator 3 User Output 0 User Output 1 User Output 2 User Output 3 Line4 TTL ...

Page 50: ...event ExposureRedEnd occurs the following three data can be checked Event Exposure Red End ー ー Display the EventID 0x9303 Event Exposure Red End Timestamp ー ー Displays the Timestamp value when an event occurs Event Exposure Red End Frame ID ー ー Displays the FrameID value when an event occurs ー ー When the event ExposureGreenStart occurs the following three data can be checked Event Exposure Green S...

Page 51: ...play the EventID 0x9361 Event Line10 Falling Edge Timestamp ー ー Displays the Timestamp value when an event occurs Event Line10 Falling Edge FrameID ー ー Displays the FrameID value when an event occurs ー ー When the event Line12RisingEdge occurs the following three data can be checked Event Line12 Rising Edge ー ー Display the EventID 0x9343 Event Line12 Rising Edge Timestamp ー ー Displays the Timestamp...

Page 52: ...200Eh Counter4 Frame Start ChunkID 202Bh Counter5 Frame Transfer End ChunkID 2011h ー ー Display the ExposureTime DataType Float ExposureTime Red ChunkID 201Ch ExposureTime Green Common ChunkID 2004h ExposureTime Blue ChunkID 201Dh ー ー ChunkID 201Eh DataType Float DigitalAll DigitalRed DigitalGreen DigitalBlue DigitalAll Select Gain to diplay the ChunkGain ChunkGain Diplay the Gain DataType Float Ga...

Page 53: ...ns Within250ns Within1us Within2p5u Within10us Within25us Within100us Within250us Within1ms Within2p5ms Within10ms Within25ms Within100ms Within250ms Within1s Within10s GreaterThan10s AlternatePTPProfile Unknown Reserved ー ー Display the status of IEEE 1588 clock Settiing range Initializing Faulty Disabled Listening PreMaster Master Passive Uncalibrated Slave Version 1 1 Version 2 0 Version 1 1 Sel...

Page 54: ...pending on the ClockPreScaler value PulseGeneratorRepeatCount 0 255 0 Set the repeat count for the counter When this is set to 0 a free counter is enabled with no repeat limit PulseGeneratorClearActivation ー Off Set the clear signal condition for the count clear input of the pulse generator Setting range Off LevelHigh LevelLow RisingEdge FallingEdge PulseGeneratorClearSource ー Low Select the count...

Page 55: ...Red Green Blue FIR Filter Mode Off On Off Enable Disable FIR Filter FIR Filter Left Ratio 2 2 ー Set the coefficient of the left pixel when FIR Filter is applied FIR Filter Center Ratio 2 2 ー Set the coefficient of the center pixel when FIR Filter is applied FIR Filter Right Ratio 2 2 ー Set the coefficient of the right pixel when FIR Filter is applied Red Green Blue Red Select the target to apply M...

Page 56: ...le Use the gamma function to correct the display As the light emitting properties of the monitor are not linear the entire image may be darker or the gradation in the dark areas may be less noticeable when camera outputs are displayed without processing Using the gamma function performs correction to produce a display that is close to linear For details see Gamma Function Problem Cause and solutio...

Page 57: ...gital Red x 1 x 64 0dB 36dB Digital Blue x 1 x 64 0dB 36dB Black level adjustment Trigger Selector Gain adjustment Line4 TTL In1 Line5 Opt IN1 Line10 TTL In2 Line13 TTL In3 PulseGenerator0 3 UserOutput0 3 Action0 3 LogicBlock0 1 EncoderTrigger 12 pin TTL input OPT input 10 pin TTL input Positive negative logic switchable Minimum trigger width 50ns and more Available Off White GrayPattern1 Ramp Gray...

Page 58: ...rance 0 mm to 0 05 mm F mount 46 5 mm tolerance 0 mm to 0 05 mm Connectors LEDs Image porcessing 1 Pixel sensitivity correction Pixel correction DSNU PRNU 2 Shading correction ColorShading FlatShading 3 LUT OFF γ 1 0 ON 257 points can be set 4 Gamma 0 45 0 5 0 55 0 6 0 65 0 75 0 8 0 9 1 0 9 steps available Power supply voltage Lens mount M42 mount F mount Maximum allowed rear protrusion on lenses ...

Page 59: ...SW 4000TL SFP 59 Spectral Response Wave length nm Relative Response ...

Page 60: ...SW 4000TL SFP 60 Dimensions F mount SW 4000TL SFP F Dimenstional tolerance 0 3mm Unit mm ...

Page 61: ...SW 4000TL SFP 61 M42 mount SW 4000TL SFP M42 Dimenstional tolerance 0 3mm Unit mm ...

Page 62: ...0 794 1 0 891 0 1 1 1 122 2 1 259 3 1 413 4 1 585 5 1 778 6 1 995 7 2 239 8 2 512 9 2 818 10 3 162 11 3 548 12 3 981 13 4 467 14 5 012 15 5 623 16 6 31 17 7 079 18 7 943 19 8 913 20 10 21 11 22 22 12 589 23 14 125 24 15 849 25 17 783 26 19 953 27 22 387 28 25 119 29 28 184 30 31 623 31 35 481 32 39 811 33 44 668 34 50 119 35 56 234 36 63 096 ...

Page 63: ...and Windows are trademarks or registered trademarks of Microsoft Corporation in the United States and other countries Intel and Intel Core are trademarks of Intel Corporation in the United States and other countries Other system and product names described in this document are trademarks or registered trademarks of their respective owners The and symbols are not used in this document ...

Page 64: ...ing Devices 12 Counter And Timer Control 35 R Regional Scanning Function 40 D RJ 45 connector 8 DC IN 9 ROI 40 DC IN TRIG connector 9 Digital Input Output Settings 23 S Dimensions 60 Saving the Settings 20 Setting List 45 E Shading Correction 32 Exposure Mode 24 Specifications 57 Spectral Response 59 F Factory default settings 20 T Feature Properties 45 Trigger Control 24 Frame Start Trigger 39 Tr...

Page 65: ...SW 4000TL SFP 65 Revision Date Changes Revision history 1 0 Jun 2019 First version 1 1 Oct 2020 Add Noise reduction digital filter function etc 1 2 Nov 2020 China RoHS etc ...

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