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NS 5.14 Firmware

–

4900002262 rev. B 3-23-21

Modbus Communications Protocol

Modbus is a serial communications protocol published by Modicon in 1979 for

use with its programmable logic controllers (PLCs). It has become a

de facto

standard communications protocol in industry, and is now the most commonly

available means of connecting industrial electronic devices. Modbus is used

extensively in lieu of other communications protocols because it is openly

published and royalty-free, relatively easy to deploy, and capable of moving

raw bits or words without placing many restrictions on vendors.
Modbus enables communication between many devices connected to the same

network, for example, a supervisory computer with a remote terminal unit

(RTU) in supervisory control and data acquisition (SCADA) systems.
The SpectraSensors analyzer acts as a server in a client/server(s) network of

devices. It can receive queries from a client and send responses back using

either Gould Modbus RTU protocol or Daniel Extended Modbus RTU protocol.

Framing/Protocol

The transmission mode used to communicate is either Gould Modbus RTU or

Daniel Modbus RTU with port parameters 9600 to 115200 (baud rate), 8 (data

bits), 1 (stop bit), no (parity), and none (flow control/handshake).
The transmission mode is set by the user via the

Modbus Mode

parameter

(see

“To change parameters in Mode 2”

on page 2-15).

Functions

Available functions are 0x03 (read holding registers), 0x06 (write to a single

identification).

Reading/Writing in Daniel Modbus mode

Daniel Modbus supports three types of registers: short integer, long integer and

floating point. Each “short integer” register is two bytes in length and will

contain an integer value. Each “long integer” register is four bytes in length and

will contain an integer value and each “floating point” register is four bytes in

length and will contain a floating point value.

Reading/Writing in Gould Modbus mode

Gould Modbus supports three types of variable data, short integer, long integer

and floating point, but all registers are addressed as word (two byte) registers.

The generic serial output (HyperTerminal) is disabled if either

Gould or Daniel Modbus is selected.

Содержание SpectraSensors SS2000e

Страница 1: ...S 5 14 Copyright 2021 SpectraSensors Inc No part of this manual may be reproduced in whole or in part without the express written permission of SpectraSensors Inc SpectraSensors reserves the right to...

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Страница 3: ...SS2100i 1 SS2100i 2 Not used Used for differential analyzers Used for non differential analyzers 2 Pack 3 Pack Used on right side analyzer electronics Used on left side analyzer electronics Not used...

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Страница 5: ...wnload 2 7 Mode 7 Measure Port1 Mode 2 7 Mode 8 Measure Port2 Mode 2 8 Mode 9 Recall Validation Results 2 8 Mode Test Analog Input Test Mode 2 10 Configuring the Analyzer at Start Up 2 10 Parameter Se...

Страница 6: ...me 2 35 Zero Val Tolerance 2 35 Adjusting Analyzer Reading to Match Specific Standard s 2 35 To adjust the analyzer reading 2 37 Application examples 2 38 To set manual dual validation 2 38 To set sem...

Страница 7: ...e Built in Ethernet Port 4 1 To configure the built in Ethernet port with Telnet 4 1 To configure the built in Ethernet port with the Web Manager 4 2 Network Mode 4 5 Automatic IP address configuratio...

Страница 8: ...NS 5 14 Firmware iv 4900002262 rev B 3 23 21 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 9: ...ostic data output 3 7 Figure 3 6 Opening a data file in Excel 3 8 Figure 3 7 Setting data type in Text Import Wizard 3 9 Figure 3 8 Setting Tab and Space as delimiters 3 9 Figure 3 9 Highlighting impo...

Страница 10: ...NS 5 14 Firmware vi 4900002262 rev B 3 23 21 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 11: ...nversion factors 2 20 Table 2 3 Assignable Alarm functionality 2 22 Table 2 4 Operator Parameters 2 27 Table 3 1 Modbus register map 3 15 Table 3 2 Assignable Alarm functionality 3 20 Table 3 3 Status...

Страница 12: ...NS 5 14 Firmware viii 4900002262 rev B 3 23 21 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 13: ...net Communications Chapter 4 Firmware Troubleshooting Appendix B Who Should Read This Manual This manual should be read and referenced by anyone operating the analyzer General Informational Icons Inst...

Страница 14: ...navigate to the associated reference SpectraSensors Overview SpectraSensors Inc is a leading manufacturer of advanced optical gas analyzers Headquartered in Houston Texas SpectraSensors was incorpora...

Страница 15: ...ng the temperature reading on the door mounted thermometer The analyzer is designed to be a stationary measuring device It should be securely mounted during normal operation The laser housing labels o...

Страница 16: ...tinuous updates of the measurement parameters displaying on the LCD indicates that the analyzer is operating normally Powering Down the Analyzer It may be necessary to power down the analyzer for prob...

Страница 17: ...cell temperature and sample cell pressure The SpectraSensors keypads are shown in Figure 2 1 on page 2 4 and Figure 2 2 on page 2 4 To activate any functions on the keypad press the key followed by a...

Страница 18: ...EXPORT DIAGNOSTIC DATA VALIDATION RESULTS ACTIVATE VALIDATION 2 Figure 2 1 Keypad for CSA certified analyzers CHANGE PARAMETERS Figure 2 2 Keypad for ATEX certified analyzers ENTER E TEST 1 2 9 3 4 5...

Страница 19: ...the key followed by the 1 key The measurements displayed are ANA Refers to the concentration in the sample cell in units of the analyte component selected in Mode 2 P Pressure in the sample cell in un...

Страница 20: ...ower too Low or Laser Power too High respectively see Alarms on page 2 42 indicating that either the optics need to be cleaned or there is an alignment problem Zero Shows the detector signal value whe...

Страница 21: ...can be helpful in diagnosing problems with the analyzer Press the key followed by the 6 key The data points along with intermediate calculation results are output to the serial port whenever Mode 6 i...

Страница 22: ...e measured value from the last autovalidation cycle on units with autovalidation capability Press the key followed by the 9 key For systems not set up for a validation the following screen displays Fo...

Страница 23: ...h the Mode 7 was run Rng 1000 0 to 1000 0 is the minimum and maximum concentration value in the user s selected engineering units during the last validation time period For systems set up for dual val...

Страница 24: ...functions normally as in Mode 1 except that the LCD display shows the 4 20 mA analog input signal instead of the current concentration temperature and pressure Press the key followed by the TEST key C...

Страница 25: ...parameter settings are reflected in Table 2 1 below Peak Tracking may be turned off at the factory prior to shipment to prevent the peak tracking algorithm from shifting the spectrum during initial wa...

Страница 26: ...e Hour 0 to 23 Default 0 Sets the current hour Set Time Minute 0 to 59 Default 0 Sets the current minute Set Time Day 1 to 31 Default 1 Sets the present day Set Time Month 1 to 12 Default 1 Sets the p...

Страница 27: ...eline pressure via analog input AI 4 mA Value 0 500000 Default 0 0 Sets value corresponding to 4 mA current loop input mb AI 20 mA Value 0 500000 Default 100000 Sets value corresponding to 20 mA curre...

Страница 28: ...hour of the day for validation Start Validation 0 or 1 Default 0 Initiates validation cycle 4 20 mA Val Action 0 or 1 Default 0 Sets the current loop mode during validation ValPerm Constant Kp 0 to 10...

Страница 29: ...ting with the first parameter that displays enter a new value and or press the key to store the value and cycle to the next parameter 4 When finished changing or viewing the measurement and control pa...

Страница 30: ...n The 4 20 mA Alarm Action determines the current loop state upon an alarm condition Enter 0 for no action 1 for the current loop to assume a low state upon an alarm condition 2 for the current loop t...

Страница 31: ...turn the analog pressure input off and 1 to turn it on If this parameter is disabled then a fixed pipeline pressure must be entered through the Pipeline Pressure parameter AO 4 mA Value The AO 4 mA V...

Страница 32: ...it depending on whether dew point temperature calculation and display are enabled i e the Calculate Dew Point parameter set equal to 1 corresponding to a 20 mA current loop output Baud Rate The Baud R...

Страница 33: ...alidation flags once activated Entering 1 cancels the alarm Once the action is complete the parameter automatically reverts to 0 Concentration Unit The Concentration Unit parameter designates the disp...

Страница 34: ...ault conversion factors are defined in Table 2 2 below These conversions are only intended as a starting point and are specific to our most common applications Furthermore weight based units are depen...

Страница 35: ...hen enabled an autovalidation cycle is initiated every X day where X is defined by Val Interval at the time of day established by Val Start Time Enter 0 to turn the feature off or 1 to turn the featur...

Страница 36: ...Concentra High Alarm The ISO method is only valid for sample pressures greater than 10000 mBar 10 bar and therefore should not be used for samples with pipeline pressures less than 10000 mbar The anal...

Страница 37: ...too high 14 0004000 Peak tracking restart exceeds limit 15 0008000 Fitting restart exceeds limit 16 0010000 Ramp adjust restart exceeds limit 17 0020000 Not used 18 0040000 Not used 19 0080000 Flow Sw...

Страница 38: ...m before the reset was initiated High Alarm Setpoint The High Alarm Setpoint parameter determines the concentration threshold above which the Concentra High Alarm fault will be triggered refer to Alar...

Страница 39: ...ue less than the minimum range of the analyzer or minimum dew point to be turned off Modbus Address The Modbus Address parameter sets the analyzer address for when the analyzer is used as a Modbus dev...

Страница 40: ...being displayed To access the Operator Parameter section 1 From the analyzer keypad press the key followed by the 2 key to enter Mode 2 2 Enter the Operator Password as defined in the Operator Passwor...

Страница 41: ...ction 130 Pressure Unit 30 Calculate Dew Point 131 Concentration Unit 31 Pipeline Pressure 132 Val 1 Concentration 33 Dew Point Method 133 Validation Allowance 34 AO 4 mA Value 134 Cancel Val Alarms 3...

Страница 42: ...ameter value to its setting before the reset was initiated In most cases the peak tracking should be set to 1 for on Pipeline Pressure The Pipeline Pressure parameter sets the pipeline pressure in mba...

Страница 43: ...or slope in the field see Adjusting Analyzer Reading to Match Specific Standard s on page 2 35 Enter the required value RATA Offset The RATA Offset parameter is a user definable value that enables ad...

Страница 44: ...required value Set Time Month The Set Time Month parameter sets the current month for the clock driving daily validations Enter the required value Set Time Year The Set Time Year parameter sets the cu...

Страница 45: ...ed values Each time an automatic semi automatic manual Mode 7 or manual Mode 8 validation is completed a new RATA Multiplier and RATA Offset will be calculated This parameter displays the current RATA...

Страница 46: ...he concentration value of the validation gas supply and set Validation Allowance to the allowable variation range Val Attempts The Val Attempts parameter sets the maximum number of times the analyzer...

Страница 47: ...e greater than 0 Validation Wait Time The Validation Wait Time parameter sets the amount of time in seconds for the validation gas to purge the system at the beginning of the validation Because valida...

Страница 48: ...tem constant Kp will be constant over the life of the analyzer provided the temperature sample flow rate and pressure of the system are not changed from the factory settings If the system constant nee...

Страница 49: ...pecific Standard s In some instances the user may wish to adjust the analyzer reading to match the concentration or concentrations of a specific standard or standards The RATA Multiplier and RATA Offs...

Страница 50: ...nalyzer is configured to accept and the type of validation used To perform this calculation the most recent validation result s will be used These calculations are based on the average measurement val...

Страница 51: ...ve 5 Follow the procedure under To change parameters in Mode 2 on page 2 15 to enter the new values 6 Confirm the new values by re measuring the bottle s of test gas SpectraSensors recommends validati...

Страница 52: ...Update RATA to 1 accept the changes Leave the setting at 0 to reject the changes and start over 6 Re run steps 2 and 3 7 Press the key followed by the 9 key to enter Mode 9 to verify the validation r...

Страница 53: ...ingle or dual validation Validation 1 and or Validation 2 which are automatically introduced and controlled by the analyzer The validation is automatically initiated based on the hour of the day and i...

Страница 54: ...that the validation gas source s has been properly installed and or connected 2 Initiate a validation cycle by closing the contacts connected to the Validation DI input or by setting the Start Validat...

Страница 55: ...loop output of 4 mA represents the value set in AO 4 mA Value 5 Set the 4 20 mA Test parameter to 100 6 Enter Mode 5 by pressing the key followed by the 5 key to force the loop current to 20 mA 7 Adj...

Страница 56: ...m Option setting Once activated the General Fault Alarm can be reset via the General Alarm DO parameter see Changing Measurement and Control Parameters on page 2 11 System faults include one or more o...

Страница 57: ...efined allowable limits These alarms also trigger the Validation Fail dry contact relay Refer to Validation Allowance on page 2 33 Once activated the Validation Fail Alarm must be manually reset via t...

Страница 58: ...cally 1 Verify that the validation gas source s has been properly installed and or connected 2 If necessary set the current time date desired validation hour and validation interval see To change para...

Страница 59: ...to contamination are quite rugged and virtually maintenance free ensuring years of reliable service Switching Stream Compositions Some analyzers may be configured with dual stream compositions To swi...

Страница 60: ...ers until the parameter Background to Use displays 4 Press 1 Val and the ENTER key 5 Press the key followed by the 1 key to begin measurement This measurement is set as default from the factory Refer...

Страница 61: ...a Filename where the terminal session settings will be stored for future recall and click on any icon Click OK 4 The Connect To window appears prompting for a connection as shown in Figure 3 2 on pag...

Страница 62: ...NS 5 14 Firmware 3 2 4900002262 rev B 3 23 21 Figure 3 1 Connection Description window Figure 3 2 Connect To window...

Страница 63: ...ort Communications Operator s Manual 3 3 Figure 3 3 COM Properties window Figure 3 4 HyperTerminal window with streaming data REFER TO THE DATA OUTPUT HEADINGS IN FIGURE 3 5 ON PAGE 3 7 READING LEFT T...

Страница 64: ...dex Peak index used for reference Index Difference Difference between measured and reference peak indices where a value other than 0 indicates Peak Tracking is functioning Val Flg Indicates current st...

Страница 65: ...the serial port use the Transfer Capture Text function and enter the Filename to where you would like to store the captured data 2 To stop the capture of the serial data click on Transfer Capture Text...

Страница 66: ...the file resulting from a Mode 6 data dump are labeled as follows Index Index value of points on spectrum scan curve DC Dry Dry DC spectrum of sample gas 0 0 for non differential units DC Dry Ref 1 Re...

Страница 67: ...Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y Y...

Страница 68: ...crosoft Excel A spreadsheet program such as Microsoft Excel can import the data collected in the Mode 6 data dump for viewing and plotting To import the data file into Excel 1 In Excel click Open and...

Страница 69: ...k for the three columns of numbers at the bottom of the file 4 Click on the upper right cell of the three columns as shown in Figure 3 9 on page 3 10 Hold the Shift key down while pressing the End key...

Страница 70: ...the End key followed by the Left Arrow key to select the three columns by 512 rows 5 Click the Chart Wizard button on the Task Bar The Chart Wizard should open as shown in Figure 3 10 below Figure 3 9...

Страница 71: ...o display a graph of the spectrum as shown in Figure 3 11 below 7 If the 2f curve appears flat double click on it to get to the Format Data Series Window as shown in Figure 3 12 below Select the Axis...

Страница 72: ...s RTU protocol Framing Protocol The transmission mode used to communicate is either Gould Modbus RTU or Daniel Modbus RTU with port parameters 9600 to 115200 baud rate 8 data bits 1 stop bit no parity...

Страница 73: ...s with the most versus least significant byte first are called big endian and little endian respectively In SpectraSensors analyzers all bytes are stored big endian Thus for floating point and long in...

Страница 74: ...lave node address can be in the range of 0 250 with a default of 1 All analyzers will respond to an address of 0 so this address can be used to interrogate a single unit when its address is unknown or...

Страница 75: ...ad 0 0 4 20 mA Input Value 7013 47025 Float Read 0 0 RATA Mult Proposed 7014 47027 Float Read 0 0 RATA Offset Proposed 7015 47029 Float Read 0 0 Conc Process ppmv 7016 47031 Float Read 0 0 Concentrati...

Страница 76: ...Track Index Dry 7091 47181 Float Read 0 0 Peak Index Ref Dry 7092 47183 Float Read 0 0 RATA Multiplier 7101 47201 Float R W L11 10000000 10000000 RATA Offset 7102 47203 Float R W L11 10000000 1000000...

Страница 77: ...or 00 7139 47277 Float R W L11 0 1000000 lb ConvFactor 01 7140 47279 Float R W L11 0 1000000 ConvFactor 02 7141 47281 Float R W L11 0 1000000 mg ConvFactor 03 7142 47283 Float R W L11 0 1000000 ppmw C...

Страница 78: ...43214 Integer R W L11 0 4 Set Time Year 3215 43215 Integer R W L11 2007 2143 Set Time Month 3216 43216 Integer R W L11 1 12 Set Time Day 3217 43217 Integer R W L11 1 31 Set Time Hour 3218 43218 Intege...

Страница 79: ...52 Operator Parameter04 3505 43505 Integer R W L11 0 252 Operator Parameter05 3506 43506 Integer R W L11 0 252 Operator Parameter06 3507 43507 Integer R W L11 0 252 Operator Parameter07 3508 43508 Int...

Страница 80: ...e The current value of the 4 20 mA output for concentration in mA s 4 20 mA Val Action Sets the operation mode of the 4 20 mA current loop during validation cycles Alarm Flags Bitwise value identifyin...

Страница 81: ...t parameter set equal to 1 corresponding to a 4 mA current loop output AO 4 20 mA Test Sets the output of the current loop when in Mode 5 The value entered represents a percent of scale value where ze...

Страница 82: ...reference spectrum when using Cross Correlation Current 2F Flag Displays the current scrubber protection usage level 0 standard protection used for non differential units 1 mid protection 2 high prote...

Страница 83: ...ntration Fitting Ratio 4 Ratio of the measured spectrum versus the Reference 4 spectrum where a value of 0 indicates that the Reference 4 spectrum was not used in the calculation of concentration Fitt...

Страница 84: ...ConvFactor 01 Sets a custom conversion factor when the parameter Concentration Unit 1 lbs MMscf and this value is greater than 0 0 The default conversion factor is used when it is equal to 0 0 Logger...

Страница 85: ...page 3 15 those registers denoted as R W L1 can be modified if the User Level 1 password is downloaded to this register Peak Index Ref Peak index used for reference Peak Index Ref Dry Peak index 0 0...

Страница 86: ...g Analyzer Reading to Match Specific Standard s on page 2 35 RATA Multiplier User definable value that enables adjustment without affecting the factory calibration of the analyzer response or slope in...

Страница 87: ...custom engineering unit tag name for the last four ASCII characters For example A is ASCII hex value 41 so AAAA would be 41414141 which would be 1 094 795 585 in decimal format Refer to Table 3 4 on p...

Страница 88: ...es for engineering units such as mg m3 are not supported To use a superscript value superscript 3 equates to hex 1F from Table 3 4 Modbus must be used to download the desired characters Val 1 Concentr...

Страница 89: ...parts per million by volume ppmv Val 2 Max Value ppmv Maximum analyte concentration of last validation 2 measurement period in parts per million by volume ppmv Val 1 Value ppmv Measured analyte conce...

Страница 90: ...erm tube Val Purge Period Sets the number of seconds upon validation initiation that a differential analyzer will purge the system with validation gas before starting a dry cycle Val Start Time Sets t...

Страница 91: ...t in Ethernet port with Telnet 1 From your computer Windows desktop click Start followed by Run usually located in the lower right side of the Start Menu 2 Type the following command telnet 192 168 00...

Страница 92: ...1 Open your web browser and enter the IP address of the built in Ethernet port A login screen will display as shown in Figure 4 1 below Under the 0 Server option the most commonly changed parameters i...

Страница 93: ...Web Manager displays the Home screen as shown in Figure 4 2 below The menu displays on the left side of the window 4 The Network menu displays the Ethernet ports network settings including the IP addr...

Страница 94: ...menu options This will save the settings and reboot the Ethernet port This function will take approximately 60 seconds In the Channel 1 Serial Settings menu do not change the following parameters Prot...

Страница 95: ...Enable to permit the Dynamic Host Configuration Protocol DHCP to assign a leased IP address to the XPort Direct unit automatically Enable is the default AutoIP Select Enable to permit the XPort Direc...

Страница 96: ...nnected to the same LAN segment as the unit The gateway address must be within the local network 4 When finished click the OK button 5 From the Home window click Apply Settings from the menu bar to sa...

Страница 97: ...required for an incoming passive connection This field is not available when a password is set for Telnet mode Password If Password Required was set to Yes enter the password for passive connections C...

Страница 98: ...Telnet Com Port Cntrl This field is available for configuration only when Active Connect is set to None Select Enable to permit Telnet communication to the unit The Telnet Com Port Cntrl feature is u...

Страница 99: ...even if the remote site does not acknowledge the disconnect request Check EOT Ctrl D Select Yes to drop the connection when Ctrl D or Hex 04 is detected Both Telnet Com Port Cntrl and Check EOT Ctrl D...

Страница 100: ...NS 5 14 Firmware 4 10 4900002262 rev B 3 23 21 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 101: ...nation it is recommended to always keep the sampling lines as contamination free as possible Refer to the Hardware Manual for instructions on keeping the sampling lines clean and cleaning the mirrors...

Страница 102: ...ing function will return the current analyzer midpoint to the factory default midpoint and then automatically revert the parameter value to its setting before the reset was initiated In most cases the...

Страница 103: ...fault Refer to the Hardware Manual Front panel display is not lit and no characters appear Refer to the Hardware Manual Strange characters appear on front panel display Refer to the Hardware Manual P...

Страница 104: ...nostic data with HyperTerminal on page 3 5 Reading is erratic or seems incorrect Refer to the Hardware Manual to check for contamination in the sample system Capture diagnostic data and send the file...

Страница 105: ...to the sample port Parameter list in the captured data Mode 1 1 data in the captured data approximately 5 minutes With your download information please also include Contact information Description of...

Страница 106: ...NS 5 14 Firmware A 6 4900002262 rev B 3 23 21 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 107: ...Zero High Alarm 2 6 Laser Zero Low Alarm 2 6 Pressure High Alarm A 3 Pressure Low Alarm A 3 Temp High Alarm 2 43 A 3 Temp Low Alarm 2 43 A 3 Temperature too High 2 2 Temperature too Low 2 2 Faults Al...

Страница 108: ...Parameter01 Operator Parameter20 3 25 Operator Password 3 25 Password 3 25 Peak Index Ref 3 25 Peak Index Ref Dry 3 25 Peak Track Index 3 25 Peak Track Index Dry 3 25 Peak Tracking 3 25 Pipeline Press...

Страница 109: ...tane 3 24 Low Alarm Setpoint 2 25 3 24 N Pentane 3 25 Val Attempts 2 32 Validation Allowance 2 33 Zero Val 1 Concentration 2 35 Zero Val 2 Concentration 2 35 Zero Val Start Time 2 34 Zero Val Toleranc...

Страница 110: ...3 4 Wet 2f 3 6 Wet 2f Ref 1 Pwet 3 6 Wet DC 3 4 3 6 Wet DC Ref 1 3 6 Wet Pressure 3 4 3 29 Wet Temp 3 4 Password 2 15 2 37 3 13 A 2 Powering down the analyzer 2 2 Powering up the analyzer 2 1 R Readin...

Страница 111: ...ex Operator s Manual Index 5 V Validation source 2 32 Viewing capturing and storage of serial port data 3 1 W Warnings Fit Delta Exceeds Limit A 3 Fitting Out of Range 2 42 General 1 1 Peak Tracking 2...

Страница 112: ...NS 5 14 Firmware Index 6 4900002262 rev A 3 23 21 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 113: ......

Страница 114: ...www spectrasensors com contact 4900002262 Rev B...

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