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1. 4 i E L Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 il 1 Wi L RL O46 if Date Issued 09 Dec 2014 CAMBHIDGE CC 000068 DS Revision 1 GMOS User manual for CCS EVK02 CCS800 evaluation kit IC 15 LM2937IMP 3 3 GND IC 16 MCP1824 1802E DB E i TOR ay Pu E tb d fu cer 5 4 n 100n woltage Reference 2 048V IC14 GND SY REF 2 048 GND S DAA e i S DAB Ox PWM Heater Power 32301 GHD GHD58 GHD i La eater c Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 GMOS User manual for CCS_EVK02 CCS800 evaluation kit PaM Heater Power R230 4 Heater Voltage Set PUM Heater Power Heater Voltage Sense s epus Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 GMOS User manual for CCS_EVK02 CCS800 evaluation kit Pet Heater Power Figure 7 Schematic s for main processor board Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CC 00006
2. PHONE I2C 4 Zeas ALARM o 4 LAE _ D SND PHONE I2C 5 GND 12C Connector Saso 048 PWM3 B 2 as V L l gt IP LU IO IO KO FO Iz G D p IP P P JIU pa fo zZ z Z zI PHONE__I2C 3 1V8 su PS LJ J o EEPROM VDD Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 bi AK LADEN T Jk 1 ADCAB R27 t R7 a CBI C1 2 1k DCA1 Jk DCA B OLEI vm Bi s Id D idi ik E R13 cr ae Ci seda _ c R14 b t us GND GND DCD c es E E a GHD GND SENSOR VOLTAGE 2 eu cz Bp Y i t th G B GND GME Paa TS C3 1 d 7U 10 H GNHD GHD i i u I D b x md L D H2 SPOSOS NA s PA i T LA i Pe E m Jonim HD 330k GND pit a T X R73 mo rr gt 3 FE a ij T UUn in VOCA VOCE k IF IDR 10E E HD T GNI iaeio e GND DAC EN S 142 tana e ALARM OUT 241 281 ALARM M 242 9282 GND1 GND x DIS aN A amp VCAT245 ND CC 000068 DS Revision 1 User manual for CCS EVK0O2 CCS800 evaluation kit veca vccB Les a 1DIR 10E LES 3 2DR 20E KS NM 1A1 4 181 Les bN 1A2 4 91E2 ALI 2A 4251 2A2 2E2 GND1 GND2 SN 4 amp vC4T245 i CAO NYA GND E Lh 33 Pos CE E Eie u DAF8554 Ou as air
3. 3 3 DCA PAICADCI POOE DG A SDA Sow ADGA ACH PAGCADCZ PDI OCD B SCL XCKD i veg ADEA som PESADES PO oci CE R0 E S MUS o3 ADI AS o PARADE P Eeto CO De TKO U M 2 27 PDECAT SEM Peecncs BHA OGI s EE ALARM Sus IN ADCAR AE PABCADCBAACIT DLUT PIC 0C1 EXCKI MOS E ARM vs DUT PECA 2335 pAT ADCTAACO OUT PGC DI RED MISO POR COW THO S CR CLEO EN ne DS ibi npnrancD AREFB GDC R Ni PBI ADET PEI CD AS DE 5 DA DACO X pRarapCa7H arp FPEICOCD BAKO KIAS OL i SLE LL DA EUM PBACAD CATH PEL D LD DATAN LT A DCBS sel PBS ADCS TON PEK OCIASS obey MERIT PBeCADCG ACTI DUT TCK PES OCI BAKO KI MOST ae PUL E PBP ADCT ACO OLUIT TDO PEBCRXDI MISD TOSCZ Ln PE CTXDI SCE CLKOCEVO TOSCHT ar PCOPOCOA S Dua 45 PCT OCDB XC KD S CL P F r OCD Ay a Li PC2 0CDC RXDD PFICOCD BEC FD ae PC3 OCDD TXDD PROC C RXDO L PCA Q CASE PEC aco Dy TEDD afe PC5 OC1BAMOSI ACET Pra B PCBMIS Q RXDT RTC 0 UT PFS ly PETES CETO C LEMES PDI DATA PDI CLE REZET PR ETALZ PRICETALT Pressure Sensor gemperature Humidity Sensor gers ED DATA dass PDL CLE AWR PD SENSORBOARD pes ALARM A13 PW MA Fark ico ALAR AM NM e M OUT AFLHEAT ADC4 JP6 ADC sd nadi SCL 3 4 EAT PWR d Ds x 22 27 2051 05 TAB HEAT PWR2 IES 1_OUT ALARM PHON pas 9 PHONE_12C 1 5s JP4 n GR PHONE_I2C 2 1 poe SDA Spat 2 paso SVA PHON paso iz SDA1 OUT u a PHON T m JP5
4. integration in consumer applications such as smartphones tablets and wearable devices This evaluation kit contains a main processor board a sensor daughter board and a USB to mini USB cable The sensitivity of CCS800 product family to a target gas is optimised by adapting the supply voltage Vu of the integrated micro heater and the gas concentration can be correlated to the change in resistance of the MOX sensing layer Rs Vu can be set using a low dropout LDO regulator or operated in PWM mode to reduce power consumption The sensor resistance Rs is determined using a series load resistor R and an Analogue to Digital Converter ADC VREE 1 2 5V Vout Vu 0 85 1 4V GND Figure 1 CCS801 sensor configuration Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 CMOS User manual for CCS_EVK02 CCS800 evaluation kit Main processor board The main processor board as shown in figure 2 below allows control and measurement of the sensor daughter boards which can support different MOX gas sensors from CCS800 product family III Figure 2 CCS_EVK02 main processor board The MCU on the main processor board will be programmed to drive the supply voltage Vu of the integrated micro heater and measure the change in resistance of the MOX sensing layer Rs of
5. the CCS800 sensor on the sensor daughter board via an integrated ADC A schematic and BOM for the main processor board is available in Appendix I Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CC 000068 DS Revision 1 User manual for CCS EVK0O2 CCS800 evaluation kit Jumpers on the main processor board are colour coded and allow flexible operation as shown in table 1 below Function Option 1 Pins 1 2 Option 2 Pins 2 3 Sensor daughter board VRef Note s 1 The main processor board has been designed to support multiple heater and sensor voltages for future dual and quad sensor devices on our roadmap 2 JP7 13 and JP15 and JP16 are not required for the CCS801 CCS802 and CCS803 gas sensors Jumper JP4 JP5 JP6 Table 1 Jumper setting for CCS EVKO2 main processor board The following tables indicate the pin out for the I2C connector and USB connector on the main processor board Pin Function Description 1 Aam AamfomMCU PhoeWakeUp 2 lCCock I2CClock driven by phone master 3 cata I2CData O o o o o 4 18V Phone Power 4Z amp Table 2 Pin out for I2C connector on main processor board Pin s Function Description USB Power USB Power 2 DSB Data USB Data 6 Screen Cable Screen Table 3 Pin out for Mini USB connector on main processor board C
6. 8 DS Revision 1 User manual for CCS EVKO2 CCS800 evaluation kit Ref Manufacturer Part number Description SENSORBOARD 15 25 026 2601 000 JP1 JP16 WURTH ELEKTRONIK 61300311121 RI RI1 RI2 RI3 BOURNS CRO805 FX 1ROOELF 1Q Resistor in 0805 package C1 C7 C13 C14 C15 C17 C20 C22 C23 C32 C33 C34 C35 C36 C37 MULTICOMP MCO402X104K100CT 100nF Capacitor in 0402 package C38 C39 C40 C41 C44 C90 MULTICOMP MC0603B103K160CT 10nF Capacitor in 0603 package C10 C16 C29 C30 MULTICOMP MCCAO000091 AKER C6S 12 000 12 3030 X C71 C72 MULTICOMP MC0402N120J500CT R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R13 R14 R22 R27 R28 R29 iani O rr C2 C3 C4 C5 C6 C C9 C11 C12 C18 C19 C21 C24 MULTICOMP MCCA000506 C25 C26 C27 C31 C42 C43 PHONE_I2C MOLEX 22 27 2051 ie im bak Aan ii MULTICOMP MCMR04X2203FTL in inp REA oo R VISHAY DRALORIC CRCWO040222KOFKEAHP 7 SG73S1JTTD3303F R21 R23 R31 R36 YAGEO PHYCOMP RCO402JR 0733KL C45 C28 MCCA000563 C46 C47 MULTICOMP MCCA000603 R37 R44 MCMRO4X4701FTL IC1 ATXMEGA128A3U T1 T3 T5 T7 BCX54 IC13 DAC8554IPWG4 L1 L2 742843122 MLP2012S4R7MT C LM2937IMP 3 3 IC7 LM4128BMF 2 5 NOPB IC4 LT1129CST 5 PBF T2 T4 T6 T8 NX2301P IC6 IC9 IC10 IC12 OPA4344EA 250 IC5 IC8 PCA9517ADP IC2 IC11 SN74AVCAT245PW N SPO503BAHTG 10033526 N3212MLF 150060G575000 150060R575000 150060Y575000 Sensor board connector Various coloured jumpers 10pF Capacitor in 0402 pack
7. CC 000068 DS Revision 1 User manual for CCS_EVK02 CCS800 evaluation kit Evaluation kit for the CCS800 product family of ultra low power gas sensors Our patented CMOS MEMS Micro hotplates technology provides a unique silicon platform for our Metal Oxide MOX gas sensors and enables sensor miniaturisation significantly lower power consumption and ultra fast response times Our Micro hotplates are located inside a high reliability silicon membrane and act as heating elements for a MOX based sensing material The MOX resistance changes on reaction to the target gases and operates at a temperature of between 150 C to 400 C Through enabling fast cycle times advanced temperature modulation techniques can be used to ensure maximum sensitivity stability and gas selectivity and minimise measurement times Advanced algorithms support the MOX gas sensors family for maximum sensitivity selectivity drift compensation and for self calibration enabling easy and timely integration into a wide range of applications The CCS EVKO2 evaluation kit is designed to allow easy test and development with our CCS800 product family of ultra low power MOX sensors for monitoring indoor air quality including Carbon Monoxide CO and a wide range of Volatile Organic Compounds VOCs The evaluation kit includes the following e Main processor board e Sensor daughter board fitted with CCS803 as standard e USB to mini USB cable e Windows based software
8. S Es SENSORS Es SENSOR E Ae FEF Ea PROM VID Ez a 2 SUA Ei Kt TL SLI GND Figure 8 Schematic for CCS801 sensor daughter board Ref Manufacturer Part number Description NXP CCS JP1 Table 8 Bill of Materials BOM for sensor daughter board The contents of this document are subject to change without notice CCS products are not designed authorized or warranted to be suitable for use in medical military aircraft space or life support equipment nor in applications where failure or malfunction of an CCS product can reasonably be expected to result in personal injury death or severe property or environmental damage CCS accepts no liability for inclusion and or use of CCS products in such equipment or applications and therefore such inclusion and or use is at the customer s own risk As any devices operated at high temperature have inherently a certain rate of failure it is therefore necessary to protect against injury damage or loss from such failures by incorporating appropriate safety measures Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014
9. S800 evaluation kit Software overview The CCS_EVK02 evaluation kit includes a simple software GUI to fully evaluate functionality of our CCS800 gas sensors by enabling different configuration options for driving and monitoring our devices The main features of this software are Monitoring sensor resistance sensor current sensor voltage Heater resistance Heater voltage Heater current Heater power viewing and long term logging functions Heater voltage cycle definition and programming Installation The CCS_EVK02 software is delivered as a setup program Please install the software by running the setup program and following the directions in the setup program You will need administrator rights to install the software Prerequisites The CCS_EVK02 software will work under Windows XP or higher After plugging in the CCS_EVK02 evaluation kit for the first time Windows will identify the board and configure the drivers automatically Starting CCS_ EV02 Software Please connect the CCS_EVK02 evaluation kit to the computer before starting the software The CCS_EVK02 software will automatically detect the CCS_EVK02 evaluation kit All settings in the software are automatically stored when closing the software When starting the software the last settings are loaded Important In order to save any measurement data the log file has to be activated before taking the measurements The firmware on the CCS_EVK02 evaluation kit
10. age CRYSTALCTS406 12 MHz Crystal ES 12pF Capacitor 1K Resistor in 0402 package 1uF Capacitor in 0402 package Connector for phone I2C 220k Resistor in 0402 package 22k Resistor in 0402 package 330k Resistor in 0603 package 33k Resistor in 0402 package 4 7uF Capacitor in 1206 package 10uF Capacitor in 1206 package 4k7 Resistor in 0402 package UO Processor in a TQFP64 package NPN Transistor in SOT 89 package DAC IC 500mA and 0 38 Ohm 4 7uH Inductor 3 3V LDO O O OO TEXAS INSTRUMENTS Voltage Reference IC Adjustable LDO P Type Mosfet Op Amp I2C bus repeater Temperature and Humidity Sensor Voltage Level Shifter U USB protection diodes c co UJ WN gt N Mini USB Connector Green LED in a 0603 package Red LED in a 0603 package Yellow LED in a 0603 package LED1 LED3 LED2 WURTH ELEKTRONIK Table 7 Bill of Materials BOM for sensor daughter board Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CC 000068 DS Revision 1 CMOS User manual for CCS_EVK02 CCS800 evaluation kit AT PIN Ay P uWF1 JPZ MEM E p 3 Jeki SENZ R TS T HEKTER BID E13 i3 Puli Bum Eiz A12 Pula T re ri ke H D Ie 2 U T E A TER ADCS GN D HEKTER TFI DER GRN D SENSOR HEAT Burg Es B HEAT Puma 2 HES PWF ES a HEA Puke AT SENSOR
11. ambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 CMOS User manual for CCS_ EVK02 CCS800 evaluation kit Sensor Daughter board The sensor daughter board as shown in figure 3 will also support an EEPROM for storing configuration and calibration settings There will also be the option to drive the heater with a DC voltage or control the heater power through PWM to the gate of an external MOSFET device A schematic and BOM for the sensor daughter board is available in Appendix II CCS803 gas sensor fitted as default Figure 3 CCS EVKO2 sensor daughter board no plastics Optional plastic cover with screws for the sensor daughter board is available on request Table 4 below indicates the pin out for the Harting connector on the sensor daughter board Pins Function Description GND 8 9 10 11 12 13 14 16 17 NC Not connected Note 1 The connector on the main processor board has been designed to support multiple heater and sensor voltages for future dual and quad sensor devices on our roadmap Table 4 Pin out for connector on sensor daughter board Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 CMOS User manual for CCS_EVKO2 CC
12. e zoomed by dragging a box into the desired area Double clicking or dragging a box from lower Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 M User manual for CCS_ EVK02 CCS800 SENSOHS evaluation kit right to upper left will undo the zoom Holding the right mouse button allows to shift a zoomed graph The Max Points parameter controls the number of measurements shown in the graphs To reset timing parameters and sensitivity baseline adaptation their default settings press the defaults button Pressing the updates button brings up a dialog which checks for new updates of the software The traffic light in the top right corner indicates a relative alarm level If green this indicates a low concentration level for target gas and vice versa for red Traffic light indicating relative alarm concentration of target gas Start stop Defaults Updates Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 OS S User manual for CCS EVK02 CCS800 SENSOHS evaluation kit The pulse tab The pulse tab as shown in figure 5 defines how the heater voltage is set up and cycled Each step has a set duration Step Interval the duration of every h
13. eater step is set in number of step interval units and the total number of cycle intervals is defined in count For each cycle interval the duration and the heater voltage can be set The graph in the top right below shows a summary of a programmed heater voltage waveform Measurement Pulse Cyde Step Interval ms 1 2 3 4 1 1 1 Heater Voltage V 200 Time ms Figure 5 CCS EVKO2 software GUI pulse tab Attention Do not set heater voltages in excess of 2 5V as this will damage the sensor Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 MOS User manual for CCS_EVK02 CCS800 SENSOHS evaluation kit The Settings tab The Settings tab as shown in figure 6 defines what additional sensors are active during measurements including a separate temperature amp humidity sensor and a pressure sensor Activate additional sensors Humidity sensor V Pressure sensor Figure 6 CCS EVKO2 software GUI settings tab Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 CMOS User manual for CCS_EVK02 CCS800 evaluation kit Technical Specification T
14. for set up measurement and logging results CCS EVO2 e User guide The CCS EVKO2 evaluation kit includes software to evaluate different modes of operation DC or pulsed mode and fully select different configuration options for driving and monitoring our CCS800 devices Key Benefits e Direct connection to PC via USB with simple software GUI for easy setup and data logging e Develop low level firmware and software algorithms for gas sensing specific to application e Determine effects of temperature and humidity on the gas sensor e Evaluate power consumption for different drive scenarios e Perform gas air flow analysis CCS EVKO2 Evaluation kit Shown with optional plastics Applications e Indoor air quality monitoring e Carbon Monoxide or Toxic gas alarm e Alcohol breathalyser K Ya v 24 o 7 W CCS_EVK02 software GUI Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 0DL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 CMOS User manual for CCS_EVKO2 CCS800 evaluation kit Hardware overview The CCS EVKO2 evaluation kit is design to allow easy test and development with our CCS800 product family of ultra low power gas sensors The evaluation kit can be operated using a number of different interfaces and data can be collected from the main processor board through 1 C or USB to enable ease of
15. has to match the software The software will upgrade the firmware on the CCS_EVK02 evaluation kit if it detects an older version of the firmware on the CCS_EVK02 evaluation kit Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 0DL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBRIDGE CC 000068 DS Revision 1 CMOS User manual for CCS_EVK02 CCS800 SENSOHS evaluation kit Using CCS EVK02 Software The main software window is divided in three tabs as follows The Measurement tab The measurement tab as shown in figures 4 1 and 4 2 consists of a graph area and allows users to select several use case mode including e Carbon monoxide alarm e Alcohol Breathalyzer e Sensor refresh and factory test These modes contain default value for heater voltage pulse setting and the measurement rate V Active Clear Default mode value and Alarm Level measurement rate Sensor Voltage Figure 4 1 CCS EVKO2 software GUI measurement tab Algorithm parameters for changing sensitivity and baseline adaption levels can also be adjusted by the user as shown below Algorithm Sensitivity 5 Baseline Adaptation 5 Each mode has different settings for these parameters Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 Test data ca
16. he technical specification for the CCS_EVK02 evaluation kit is shown in table 5 below Operating Condition Supply voltage 5V 400mA DC Directly PC USB interface Power consumption Ambient temperature 0 C to 40 C Ambient humidity O to 9596 RH non condensing Interface Digital interface USB 2 0 and I2C Devices supported CCS801 CCS802 and CCS803 Software requirements CCS EVKO2 requires Windows XP SP3 or later Physical Main processor board dimensions 77mm by 100mm Sensor daughter board dimensions 23mm by 27mm Weight 122g Table 5 CCS EVKO2 technical specification Ordering Information Additional CCS800 sensor daughter boards are available to order as follows Product Description Target Gases Part Number CCS801 daughter board VOCs CO and Ethanol CCS EVKO2 801SB CCS802 daughter boar CCS EVKOP 80258 CCS803 daughter boar ccs EVKO2 80358 Table 6 Ordering Information Cambridge CMOS Sensors Ltd Deanland House Cowley Road Cambridge CB4 ODL UK Email sales ccmoss com Telephone 44 1223 395 551 Date Issued 09 Dec 2014 CAMBHIDGE CC 000068 DS Revision 1 GMOS User manual for CCS EVKO2 CCS800 SENSOHS evaluation kit Appendix I Main processor board schematics and BOM Schematics and BOM for the main processor board are shown figure 7 and table 7 below IC n n nz AD CAI PADCAD CO AREF Aj r G asia Hing Pub
17. n be logged in a user defined txt file and location per below Logging Filename C XJsers Paul WilsonlDesktoplTestlog 1 txt Example of test log is shown below Ej File Edit Format View Help gt gt gt gt gt gt gt gt 2 CCS_EVK02 demo 0 4 0 4 5248 52905 Started 19 05 2014 13 42 12 417786 5709781713 Interval ms 500 gt gt gt gt Devices Index 0 Ec DeviceType lt lt lt lt Sernum Sensor Sensor Series Resistance Step Interval 0 CCS EVP 2006670306001300 100000 100 1 Index Sensor Voltage V Heater Voltage V BKK KKK KKK KKK C C C C C CO OL NN C C C C C CO OL 1 77344 0 0257313 1 77369 0 0257563 1 77338 0 0257437 1 77381 0 0257625 77375 0 0257563 7735 0 0257437 77338 0 02575 0 77375 0 0257437 77381 0 0257563 77381 0 0257563 77388 0 0257625 Ma PP LA lalalala G G S OLI Measurement Pulse Settings Mode Alcohol Breathalyzer v Measurement Rate msec so Baseline Adaptation Logging CC 000068 DS Revision 1 User manual for CCS EVK0O2 CCS800 Step Count 881 01 880 92 881 03 880 94 880 95 881 08 27 8 881 07 881 02 880 98 880 98 Filename C Users Paul WilsonlDesktoplTestlog1 001 txt Alarm Level Sensor Voltage Graphs with real time data voltage and alarm levels Figure 4 2 CCS EVKO2 software GUI measurement tab evaluation kit v Active Durat Heater Current mA Graphs can b

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