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Sierra Instruments Instruction Manual 

Smart-Trak

®

 2 Series 100

 

22 

 

 

CHAPTER 3:  ANALOG OPERATION 

Your Smart-Trak 2 instrument may be operated in three different ways:

 

THREE CONTROL OPTIONS 

 

A.

 

Analog Input/Output Operation (This Chapter):

 Using analog input/output signals 

at the 15-pin mini-D connector. 

 

B.

 

Digital Operation with Pilot Module (Chapter 4):

 Using the optional Pilot Module. 

 

C.

 

Digital Operation with RS-232 and Smart-Trak 2 Software (Chapter 5):

 Using the 

RS-232 link, the supplied Smart-Trak 2 Software package, and a PC-style 
computer running Windows operating system.    

 
This chapter will discuss the first of these—Analog Operation.  Please see subsequent 
chapters for other options.  

 

 

Regardless of control options, the standard output for all Smart-Trak 2 instruments are 
two linear analog output signals corresponding to 0% to 100% of the mass flow full-
scale range. Please note that one of these output signals is a current signal of either 4-20 
or 0-20 mA.  The other is a voltage signal of 0-5 VDC, 0-10 VDC or 1-5 VDC.  You can 
choose any combination of these signals at any time in your facility. 

 

For mass flow controllers, one input signal of 4-20 mA, 0-20 mA, 0-5 VDC, 0-10 VDC 
or 1-5 VDC (selectable by user) may be chosen to set the gas mass flow rate to any 
desired value within the range of the device. This input signal must be a direct linear 
representation of 0% to 100% of the desired gas mass flow full-scale value.  For the 
location of these signals on the HD DB-15 connector, refer to Figure 2-4 or Appendix D

.

 

 

Analog Operation, Mass Flow Meter 

 

After your instrument is installed and the system has undergone a complete leak check 
as discussed in detail in Chapter 2, you are ready to supply power. 

 

Power Your Instrument:

 Provide adequate power per Figure 2-5. Apply power using 

Sierra’s power supply or your own power source.  The green LED at the top of the inlet 
side will light to confirm power.  If your instrument has a Pilot Module, it will begin its 
start-up cycle.  See Chapter 4 for details on Pilot Module operation. 

NOTE:

 It is highly 

recommended you connect power to the Smart-Trak 2, and then power your supply 
(plug into wall or switch on). The opposite may cause the unit to take longer to power 
on. Let the instrument warm up for at least 15 minutes for optimal performance. 

 

Your Smart-Trak 2 instrument is now ready for use! 

Содержание C100H

Страница 1: ...Sierra Instruments Instruction Manual Smart Trak 2 Series 100 1 Smart Trak 2 Series 100 Mass Flow Meters and Controllers INSTRUCTION MANUAL IM 100 ST2 Revision D January 2012...

Страница 2: ...trollers for oxygen gas You are responsible for determining if this mass flow meter or controller is appropriate for your oxygen application You are responsible for cleaning the mass flow meter or con...

Страница 3: ...Cable 18 Figure 2 5 Power Supply Requirements 19 Chapter 3 Analog Operation 22 Analog Operation Mass Flow Controller 23 Smart Trak 2 Features 24 Setpoint Adjustment 24 Changing the Output or Setpoint...

Страница 4: ...computer 53 Running The Smart Trak 2 Software 55 Chapter 6 Technical Support Service 68 Factory Calibration All Models 70 Instructions for Returning Your Instrument for Service 70 Appendix A Gas Table...

Страница 5: ...s fingertips 9 Digital Electronics maximum performance with minimum noise plus exceptional tuning capability 9 Choice of Analog Communications Options and RS 232 with every Smart Trak 2 instrument 9...

Страница 6: ...low flow instruments Throughout this manual we use the word instrument as a generic term to represent all models of Sierra Instruments Smart Trak 2 Series 100 mass flow meters and controllers SAFETY...

Страница 7: ...nents are present and match your specifications as ordered Make sure any spare parts or accessories are not discarded with the packing material Do not return any equipment to the factory without first...

Страница 8: ...ccuracy It is often possible for an instrument to measure a flow beyond its full scale value but the accuracy of this measurement may be outside of published specifications Purge The Smart Trak 2 Mass...

Страница 9: ...ement generates a pressure drop P1 P2 forcing a small fraction of the total flow to pass through the sensor tube m1 Figure 1 1 Flow Paths through the Instrument Two resistance temperature detector RTD...

Страница 10: ...s output signal is made linear over the transducer s normal operating range Figure 1 4 As a result the measured flow through the sensor tube is directly proportional to the gas flow in the main body F...

Страница 11: ...mounting orientation the maximum flow range s the inlet and outlet pressure s and the operating temperature s The line pressure should not exceed 500 psig 34 barg The temperature should not exceed 122...

Страница 12: ...ce diameter To determine orifice diameter consult the calibration certificate included with your instrument If restricted controller will not reach full scale 5 Output Signals The Smart Trak 2 has two...

Страница 13: ...on arrow pointing in the direction of flow 2 Verify the position of the front and back ferrule Insert the tubing into the fitting Be sure that the tubing rests firmly on the shoulder of the fitting an...

Страница 14: ...ors Instead monitor pressure decay Exposing the instrument to leak detector fluid may cause damage 1 4 Inch Female NPT 1 Position the instrument with the flow direction arrow pointing the direction of...

Страница 15: ...s not included through the 2 large central holes MAKE SURE THE UP ARROW IMPRINTED ON THE MOUNTING BRACKET POINTS UPWARD Your Remote Pilot Module will slip onto the shoulder screws Push against the pla...

Страница 16: ...Connections All electrical connections for your Smart Trak 2 instrument are made on the left inlet side panel See Figure 2 2 Smart Trak 2 Connections below for the location of all connections Note th...

Страница 17: ...ay be accessed there as well The pin numbers and assignments for the HD DB 15 connector are shown in Figure 2 3 HD DB 15 Connector Pin Configuration on the instrument The corresponding colors of the o...

Страница 18: ...Yellow Power Return 6 Green Power Input 7 Green White RS 232 Transmit out 8 Blue Setpoint 9 Purple Not Used 10 Gray Analog Ground Setpoint 11 White Reference Voltage 5 VDC External Setpoint Valve Pur...

Страница 19: ...2006 To maintain the integrity of this CE rating it is critical that a path be provided for any residual internal noise to exit the instrument or it may register on the outputs Grounding provides thi...

Страница 20: ...t To transmit an analog setpoint supply the voltage or current signal check the data label and or setting across the blue pin 8 wire and pin 10 Valve Close To force the valve closed connect the black...

Страница 21: ...r into an appropriate serial port on your PC To minimize the potential for RF interference it is recommended to shield these wires Use a metal DB 9 connector and connect one end of the shield to the D...

Страница 22: ...at any time in your facility For mass flow controllers one input signal of 4 20 mA 0 20 mA 0 5 VDC 0 10 VDC or 1 5 VDC selectable by user may be chosen to set the gas mass flow rate to any desired val...

Страница 23: ...dule or the Smart Trak 2 Software to check the setpoint or the valve state currently on your instrument See Chapter 4 or Chapter 5 for information on Setpoint and Valve State 2 Power Your Instrument P...

Страница 24: ...ntaining the setpoint signal This may be set by the Pilot Module the Smart Trak 2 Software or an external analog signal Changing the Output or Setpoint Signals To modify the analog output or setpoint...

Страница 25: ...ction opens the controller valve completely for the purpose of quickly flushing unwanted gas from the flow path When the valve is opened for purging it allows flows far in excess of the rated full sca...

Страница 26: ...ore disconnecting from the gas line to prevent personnel from being injured when coming in contact with the instrument WARNING If an instrument used with a toxic or corrosive gas is returned to the fa...

Страница 27: ...lt Chapter 3 for details on Analog operation Also computer control using the RS 232 communication is available See Chapter 5 for details on operation with a computer CAUTION If RS 232 digital communic...

Страница 28: ...ly above the HD DB 15 connector Next place the other end into one of the two matching jacks on the Pilot Module For your convenience Sierra has provided two jacks one on the back and one on the bottom...

Страница 29: ...Chapter 2 follow these steps 1 Power Up Your Instrument Apply power to your instrument See Chapter 2 Figure 2 5 Power Supply Requirements When power is first applied the Pilot Module will display Vers...

Страница 30: ...a guaranteed positive shut off device For dangerous applications Sierra recommends use of an external shut off safety valve When power is applied the flow control valve will operate per the instructi...

Страница 31: ...TPOINT APPLIED FOR AN EXTENDED PERIOD OF TIME TO A CONTROLLER WHEN THE GAS SUPPLY IS SHUT OFF OR BLOCKED Damage may result and the instrument will become hot to the touch Instead see below for use of...

Страница 32: ...CAPE keys at the same time Move the decimal point Navigate to the change the setpoint menu Press ENTER to make one of the digits flash While it is flashing press ESCAPE at the same time you press LEFT...

Страница 33: ...nterface The Pilot Module user interface is presented below in a graphical format Once you have some familiarity with the user interface you may find you want to make a copy of this and keep it with t...

Страница 34: ...ow takes you to the Setpoint Screen The Setpoint Screen displays the current setpoint given to the controller the engineering units and the source of the setpoint signal The source of the setpoint can...

Страница 35: ...ormal operation of the flow controller this screen should display Valve Automatic Normal If this is visible the instrument will automatically control flow as soon as a setpoint is given to it If this...

Страница 36: ...tory default password The factory default password is 0000 To proceed to the Lower Level Screens by using the factory default password simply press the enter key a second time If you want rapid access...

Страница 37: ...S GENERAL CUSTOMER SERVICE If you lose your password it will be necessary to contact one of Sierra s Technical Support Centers Email Customer Service service sierrainstruments com FACTORY USA Customer...

Страница 38: ...d is entered you will arrive here If you are already in the Lower Level Screens push the right or left arrow until you reach the Change Setpoint Value screen The display will show Change Setpoint 00 0...

Страница 39: ...rt Trak 2 will automatically modify this value to equal the current full scale value For example if the current full scale value of your instrument is 10 slpm and you have entered a setpoint of 15 slp...

Страница 40: ...n again You will see Change Units XXX x You can make additional changes by using the left and right arrow keys to move to other Lower Level Screens You may also choose to press the escape key to retur...

Страница 41: ...wn Change Valve Operation Close Purge If you are already in the Lower Level Screens push the right or left arrow until you reach the Change Valve Operation screen To get to this screen at any time Pre...

Страница 42: ...Screen mass flow controllers only If you are already in the Lower Level Screens push the right or left arrow until you reach the Change Setpoint Source screen To get to this screen at any time Press E...

Страница 43: ...Signals Screen If you are already in the Lower Level Screens push the right or left arrow until you reach the Change Output Signals screen To get to this screen at any time Press Escape Press Enter en...

Страница 44: ...maximum value this is the factory full scale calibration value The new full scale value that you select will re define the analog outputs of the instrument The 20 mA signal and the corresponding volt...

Страница 45: ...hange will bring it in If the meter is reading 1 low controller controls 1 high then change span to 1 010 101 0 The display will show Change Span 1 000 Air To make a change press the enter key The fir...

Страница 46: ...an make additional changes by using the left and right arrow keys to move to other Lower Level Screens You may also choose to press the escape key to return to the Upper Level Screens Change Password...

Страница 47: ...ecorded Lost Passwords and General Customer Service The creator password is 6363 this will override all other passwords If this does not work it will be necessary to contact one of Sierra s Technical...

Страница 48: ...for details on Analog operation Also the Pilot Module may be used so long as you make RS 232 communication with the supplied CRN cable See Chapter 4 for details on operation using the Pilot Module If...

Страница 49: ...Site Specifications Power Up Your Instrument CAUTION The Smart Trak 2 is not a loop powered device Do not apply power to the 4 20mA outputs After your instrument is installed and the system has underg...

Страница 50: ...ms Windows 98 2nd Edition Windows XP Windows XP Professional Windows 2000 Loading the Smart Trak 2 Software If you are using your Smart Trak 2 instrument or your computer for the first time it is nece...

Страница 51: ...re manufactured cable has the correct DB9 connection to mate with most computers and a CAT 5 connector which should be connected to the jack on the side of your new instrument With your Smart Trak 2 P...

Страница 52: ...ide panel Figure 5 1 Smart Trak 2 Connections If you do not have the Pilot Module display you can connect pins 7 serial transmit 13 serial receive and 3 analog ground on the instrument s 15 pin mini D...

Страница 53: ...this number or one of these numbers to communicate with your Smart Trak 2 instrument If you plan to control more than one Smart Trak 2 instrument from your computer If your computer has a number of s...

Страница 54: ...Select the comport pull down menu Use the pull down menu to choose the port number that corresponds to the serial port channel your Smart Trak 2 is connected to from 1 to 255 If you have only one ser...

Страница 55: ...e the section titled Com Port on page 5 16 for instructions on how to change the communication port number If the screen appears but only the Mass Flow box shows a value you are using the correct Com...

Страница 56: ...trollers only Will show zero for meters Full Scale These boxes display the current operating conditions of your Smart Trak 2 instrument If you have the Pilot Module these boxes on the upper half of th...

Страница 57: ...ON If this box does not show Pilot Module RS 232 on the first line you will not be able to give the controller a setpoint command from your computer This is because you Smart Trak 2 is expecting an an...

Страница 58: ...structions Full Scale This screen displays the current full scale value of the instrument with engineering units It also displays the com port selected and a counter for the com port for Sierra Troubl...

Страница 59: ...t it If instead of using the RS 232 link or the Pilot Module you prefer to supply analog set point signal to the Smart Trak 2 activate the pull down menu Make your selection carefully and click Your s...

Страница 60: ...in the pull down menu if you click on one of the selections the valve operation will change immediately Remember that the Smart Trak 2 is not a positive shut off device Change Gas Dial A GasTM This bo...

Страница 61: ...se the combination of units and time constants you desire then click The box will display your new selection Within a few seconds the units will change in the Flow Setpoint and Full Scale boxes and th...

Страница 62: ...ting the full scale for each of the 10 gases in the gas table individually The screen will be displayed for the gas selected in the gas table on the main screen Caution the values in this screen can b...

Страница 63: ...w is zero Attempting to zero the meter or controller while there is a flow condition will cause an offset Note This MUST be done using the appropriate gas as selected Caution do not perform auto zero...

Страница 64: ...vice or field conditions The span is a MULITPLIER and will multiply all outputs by the entered amount For example the meter reads 98 The desired reading is 100 A span value of 1 02 will adjust the met...

Страница 65: ...tificate You may select any full scale value between 100 and 50 of the maximum full scale value If you select a new full scale value it will re define the analog outputs of the instrument The 20 mA si...

Страница 66: ...nt accuracy is a percentage of the original factory full scale value If you enter a full scale value beyond the instrument s calibrated maximum range the Smart Trak 2 will automatically modify the ful...

Страница 67: ...more than one Smart Trak 2 at one time Read Controller Parameters Use this function if you believe your computer and your Smart Trak 2 instrument may have stopped communicating It is essentially a re...

Страница 68: ...the product IMPORTANT When contacting Technical Support make sure you have included the following information The flow range serial number Sierra order number and model number all marked on the instr...

Страница 69: ...tion Manual Smart Trak 2 Series 100 69 Sierra Websites Sierra Instruments Inc USA Headquarters www sierrainstruments com Sierra Instruments b v Europe www sierrainstruments nl Sierra Asia Instruments...

Страница 70: ...pedite fees are three day turnaround 25 two day turnaround 40 Please follow these easy steps to return your instrument for factory service 1 Obtain a Return Materials Authorization RMA number from Sie...

Страница 71: ...ments Instruction Manual Smart Trak 2 Series 100 71 4 Ship the unit s to the following address RETURN ADDRESS Sierra Instruments Inc Attention Factory Service Center 5 Harris Court Building L Monterey...

Страница 72: ...disconnecting from the gas line to prevent personnel from being injured when coming in contact with the instrument WARNING If an instrument used with a toxic or corrosive gas is returned to the facto...

Страница 73: ...gas not on this list you may use the tables below They provide K factors and thermodynamic properties of gases commonly used with mass flow meters and controllers This is particularly useful if the ac...

Страница 74: ...07 2 407 2 593 NEO KR 1 Butane C4H8 301 3648 2 324 2 503 NEO KR 2 Butane C4H8 CIS 325 336 2 324 2 503 NEO KR 2 Butane C4H8 TRANS 292 374 2 324 2 503 Carbon Dioxide CO2 737 2016 1 835 1 964 Carbon Disu...

Страница 75: ...81 3 858 KR Freon 113 CCI2FCCIF2 200 161 7 761 8 360 KR Freon 114 C2Cl2F4 220 160 7 079 7 626 KR Freon 115 C2ClF5 241 164 6398 6 892 KR Freon C318 C4F6 170 185 7 795 8 397 KR Germane GeH4 571 1404 3 1...

Страница 76: ...phorous Oxychloride POCl3 361 1324 6 352 6 843 KR Phosphorous Pentafluoride PH5 301 1610 5 217 5 620 KR Phosphorous Trichloride PCl5 301 1250 5 688 6 127 KR Propane C3H8 335 3885 1 826 1 967 Propylene...

Страница 77: ...15 of full scale per bar or better Response Time 300 millisecond time constant 2 seconds typical to within 2 of final value includes settling time Operating Specifications Gases All clean gases inclu...

Страница 78: ...edium Flow 3 8 or inch fittings High Flow Small Bore 100H std up to 500 slpm comp fittings High Flow Large Bore H1 H2 std 501 1000 slpm 3 4 comp fittings 0 1 0 36 24 5 N A N A N A N A 0 5 0 36 24 5 N...

Страница 79: ...30 2040 12 2 830 1 6 110 N A N A 50 40 2720 15 1020 2 136 N A N A 100 N A N A 5 340 1 5 102 1 0 68 150 N A N A 10 680 2 136 1 0 68 200 N A N A 15 1020 4 5 306 1 0 68 250 N A N A 20 1360 5 5 374 1 5 1...

Страница 80: ...mmand Signal Analog choice of one Linear 4 20 mA Linear 0 5 VDC Linear 0 10 VDC Linear 1 5 VDC Command Signal Digital RS 232 Pilot module optional Physical Specifications Wetted Materials 316 stainles...

Страница 81: ...mmunication cable 6 inch C1 Communication cable 3 foot C3 Communication cable 10 foot C10 Communication cable Custom length C specify length RS 232 cable 10 foot with CAT 5 on one end and Standard DB...

Страница 82: ...nstruction Manual Smart Trak 2 Series 100 82 Appendix C Flow Chart for Pilot Module User Interface Note If you press the escape key at any time you will immediately return to the main Mass Flow screen...

Страница 83: ...een Power Input 7 Green White RS 232 Transmit out 8 Blue Setpoint 9 Purple Not Used 10 Gray Analog Ground Setpoint 11 White Reference Voltage 5 VDC External Setpoint Valve Purge 12 Black Valve Overrid...

Страница 84: ...Instruction Manual Smart Trak 2 Series 100 84 Appendix E Product Dimensions and Mounting All dimensions are in inches with millimeters in brackets Dimension L is listed in the Table at the end of Appe...

Страница 85: ...Sierra Instruction Manual Smart Trak 2 Series 100 85...

Страница 86: ...Sierra Instruction Manual Smart Trak 2 Series 100 86...

Страница 87: ...y not function normally Periodic impacts will upset the delicate equilibrium of Micro Trak and should be avoided Any gas used with Micro Trak must be extremely clean and dry so it does not contaminate...

Страница 88: ...s All clean gases including corrosives and toxics The following 10 gases make up the standard Dial A Gas feature Alternate gases may be substituted at time of order Mass Flow Rates Gas Micro Trak Flow...

Страница 89: ...t Signals Analog Linear 4 20 mA 500 ohms maximum loop resistance plus one of the following user selectable Linear 0 5 VDC 1000 ohms minimum load resistance Linear 0 10 VDC 1000 ohms minimum load resis...

Страница 90: ...ring will vary in length but can not exceed 26 bytes Command String 4 command bytes variable length value 2 CRC bytes carriage return 26 bytes The RS232 port does not depend on hardware handshaking an...

Страница 91: ...digits and an optional decimal place 10 00 SETPOINT DESCRIPTION SETPOINT sets the control setpoint The set point is store in the flash memory This command is not recommended for version 2 xx Use SETP...

Страница 92: ...ommand Read returns ASCII string Setr valueSetpoint CRC cr Write returns ASCII string Sinv valueSetpoint CRC cr Values are a string of digits and an optional decimal place 10 00 CRC redundancy check b...

Страница 93: ...Vlvi valveIndex CRC cr valveIndex is an integer string value of 1 to 3 CRC redundancy check bytes cr carrage return byte GAS_INDEX DESCRIPTION GAS_INDEX selects the current gas ASCII STRING COMMANDS G...

Страница 94: ...end ASCII STRING COMMANDS Vern CRC cr Version 2 xx read command Returns ASCII string Vern alphaNumericString CRC cr alphaNumericString is alpha numeric string CRC redundancy check bytes cr carrage ret...

Страница 95: ...ow must be shut off the unit needs to be at pressure with the gas being used ASCII STRING COMMANDS Zero CRC cr Version 2 xx write command CRC redundancy check bytes cr carrage return byte RESET_ZERO D...

Страница 96: ...it the crc to lower 16 bits If the 15th bit is not set then the crc is shifted left one bit and ANDED with hex 0xffff to limit the crc to lower 16 bits if crc 0x8000 0x8000 crc crc 1 0x1021 0xffff els...

Страница 97: ...Sub SendPacket packet As String Dim crcBytes As Byte Dim crcLen vpacket Dim crcWord As Long Dim i j packet Replace packet if commas are used as decimal place holder crcLen Len packet 1 zero based coun...

Страница 98: ...01xx End If If crcWord And HFF HD Then carriage char not allowed crcWord crcWord 1 make this byte hxx0e End If If crcWord And HFF H0 Then zero char is death crcWord crcWord 1 make this byte hxx01 End...

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