Sierra M100L Instruction Manual

Sierra M100L Instruction Manual

Smart-trak 2 series 100 mass flow meters and controllers
Table of Contents

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

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Summary of Contents for Sierra M100L

  • Page 1 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Smart-Trak 2 Series 100 ® Mass Flow Meters and Controllers INSTRUCTION MANUAL IM-100-ST2, Revision: D January 2012...
  • Page 2 Phone: + 8621 5879 8521 Fax: +8621 5879 8586 IMPORTANT CUSTOMER NOTICE: OXYGEN SERVICE Sierra Instruments, Inc. is not liable for any damage or personal injury, whatsoever, resulting from the use of Sierra Instruments standard mass flow meters or controllers for oxygen gas. You are responsible for determining if this mass flow meter or controller is appropriate for your oxygen application.
  • Page 3: Table Of Contents

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Table of Contents Chapter 1: Introduction ....................5 Welcome to the future of gas flow measurement! ............5 Using This Manual ......................... 5 Safety Information ......................... 6 Receipt of your instrument ..................... 7 The Smart-Trak 2 Flow Sensing Principle................
  • Page 4 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® If your computer has a serial port… ..................51 If your computer has no serial port, but has a USB port…..........53 If you plan to control more than one Smart-Trak 2 instrument from your computer… ..53 Running The Smart-Trak 2 Software ................
  • Page 5: Chapter 1: Introduction

    ® CHAPTER 1: INTRODUCTION Welcome to the future of gas flow measurement! This manual is your guide to Smart-Trak 2. Visit the Sierra Instruments website www.sierrainstruments.com any time for more information about this product. The Smart-Trak 2 instruments offer a variety of features for ease of operation.
  • Page 6: Safety Information

    • Appendix F: Special Instructions for Installation and Operation of the Micro-Trak ultra-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 INFORMATION...
  • Page 7: Receipt Of Your Instrument

    (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 contacting one of Sierra’s Technical Support Centers: USA (Headquarters) Customer Service: TOLL FREE: 800-866-0200...
  • Page 8 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® DEFINITIONS USED IN THIS MANUAL The following terms are used frequently in this manual. They are presented here with their definitions for your information. Setpoint—The command or control signal supplied to a flow controller is called its setpoint.
  • Page 9: The Smart-Trak 2 Flow Sensing Principle

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® THE SMART-TRAK 2 FLOW SENSING PRINCIPLE The operating principle of the Smart-Trak 2 instruments is based on heat transfer and the first law of thermodynamics. During operation process gas enters the instrument’s flow body and divides into two flow paths, one through the sensor...
  • Page 10 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Figure 1-3. Sensor Temperature Distribution Figures 1-2 and 1-3 show the mass flow through the sensor tube as inversely proportional to the temperature difference of the coils. The coils are legs of a bridge circuit with an output voltage in direct proportion to the difference in the coils’...
  • Page 11: Chapter 2 Installation

    32°F (0°C) and ambient temperature is 0-50°C. If your application maximum rating of exceeds any of these parameters, contact your Sierra Sales Agent before 500 psig (34 barg). installation. You may also contact one of Sierra’s Technical Support Centers.
  • Page 12: Pre-Installation Check List

    2. Sierra strongly recommends you install an in-line filter upstream of the instrument. Recommended filter size: 10 micron. A 10 micron filter is available from Sierra as an accessory. See Appendix B or contact your local Sierra distributor. 3. Do not locate the instrument in areas subject to sudden temperature changes, excessive moisture or near equipment radiating significant amounts of heat.
  • Page 13: Compression Fittings

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® should be clean prior to plumbing the instrument into the system. The shipping caps covering the inlet/outlet fittings should not be removed until immediately before installation. Follow the installation instructions that are applicable to your instrument’s process connection.
  • Page 14: Vcr Fittings

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Check the system’s entire flow path thoroughly for leaks. Do not use liquid leak detectors. Instead, monitor pressure decay. Exposing the instrument to leak detector fluid may cause damage. VCR Fittings Position the instrument with the flow direction arrow pointing the direction of flow.
  • Page 15: Installing Your Instrument-Mechanical Mounting

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Installing your Instrument—Mechanical Mounting Mounting your Instrument The base plate or bottom of the instrument has 4 mounting holes. Two are SAE thread and two are metric thread. For location and dimensions, please see Appendix Your Smart-Trak 2 instrument is made from premium 316 stainless steel.
  • Page 16: Installing Your Instrument-Electrical Connections

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Installing your Instrument—Electrical 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 that the CAT-5 connector is not an ethernet connector.
  • Page 17 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Smart-Trak 2 is provided with a high density 15-pin D Connector called an “HD DB-15” located on the side of the enclosure and either one of our optional pre- assembled communications cables or an empty mating connector. Power must be supplied to the HD DB-15 connector.
  • Page 18: Figure 2-3: Hd Db-15 Connector Pin Configuration (On The Instrument)

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Figure 2‐3: HD DB‐15 Connector Pin Configuration (on the instrument) Figure 2‐4: Wiring Definitions for Optional Communication Cable Pin # Wire Color in Cable Function Brown Analog Ground/Output 0-5 VDC Output (or 0-10, 1-5 VDC ) Orange Analog Ground/RS232 Pink Valve Override Purge Yellow Power Return (-)
  • Page 19: Figure 2-5: Power Supply Requirements

    The Smart-Trak 2 requires a 15-24 VDC power supply. If you are using the power supply supplied by Sierra, connect it to the 15-pin HD DB-15 connector on the side of the instrument. If you are supplying your own power source, it must be a regulated 15-24 VDC with ripple not to exceed 100 mV peak-to-peak.
  • Page 20 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Analog Output Signals: • Output Signal—Voltage: Measure the voltage output signal across the red (pin 2) wire and any of the analog grounds: brown (pin 1), orange (pin 3) or gray (pin 10).
  • Page 21 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® NOTE: Transit and Receive may need to be reversed, depending on which type of device or cable is connected. (No damage will result—attempt communication after reversal. With the connections in Figure 2-6 in place, plug the DB-9 connector into an appropriate serial port on your PC.
  • Page 22: Chapter 3: Analog Operation

    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.
  • Page 23: Analog Operation, Mass Flow Controller

    2. 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.
  • Page 24: Smart-Trak 2 Features

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Smart-Trak 2 Features Setpoint Adjustment The setpoint (command) input signal you supply to Smart-Trak 2 must be a direct linear representation of 0% to 100% of the mass flow full-scale value. Apply the setpoint signal from pin 8 to any of the analog grounds (see Chapter 2 for wiring details).
  • Page 25: Manual Valve Override-Valve Close

    ® Manual Valve Override—Valve Close Manual valve override is provided for all Sierra mass flow controllers. This feature includes both a valve close command and a valve maximum open command (called purge). When the valve is directed to close or to purge, it will no longer respond to a setpoint command.
  • Page 26 Material Safety Data Sheet (MSDS) must be enclosed & attached to the outside of the box to alert Sierra personnel of the potential hazard. Also, make sure the inlet & outlet are securely sealed.
  • Page 27: Chapter 4: Digital Operation With Pilot Module

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® CHAPTER 4: Digital Operation with Pilot Module Your Smart-Trak 2 instrument may be operated in three different ways: THREE CONTROL OPTIONS A. Analog Input/Output Operation (Chapter 3): Using analog input/output signals at the HD DB-15 connector.
  • Page 28 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 of the Remote Pilot Module. You may use whichever jack is most convenient for your application as they both have identical functions.
  • Page 29: Pilot Module Operation, Mass Flow Controllers

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® These are shown in the photo below: Up, Down Escape Left, Right Enter Pilot Module 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, follow these steps: 1.
  • Page 30: Pilot Module Operation, Mass Flow Controllers

    TAKE NECESSARY PRECAUTIONS. 2. Power Up Your Instrument: Apply power to your instrument using Sierra’s power supply or your own input power source. See Chapter 2, Figure 2-5: Power Supply Requirements. When power is first applied,...
  • Page 31 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Mass Flow 0.000 sl/m NOTE: If gas is flowing and the Pilot Module has a setpoint greater than zero, it will immediately begin to accurately display the gas mass flow rate on the LCD panel.
  • Page 32 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® 2 Lower Level Screens: permit changes to instrument operation. They are password protected. These include: Setpoint value Engineering units Valve operation Source of the setpoint signal Form of the output signals...
  • Page 33 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Map of the Pilot Module Interface 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 the instrument for reference.
  • Page 34 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® The seven Upper Level Screens display a variety of information. You are able to move between the screens by pressing the left or right arrows. No password is required for the Upper Level Screens.
  • Page 35 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Valve Position Screen (Mass Flow Controllers only) Pushing the right arrow again takes you to the Valve Position Screen, if you have a Mass Flow Controller. This screen will display the current state of the Smart-Trak 2 valve.
  • Page 36 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Lower Level Screens (Changing Parameters) Getting to the Lower Level Screens: Your instrument is password protected so that unauthorized personnel will be unable to change the operating parameters of Smart-Trak 2. To enter the Lower Level Screens at any time you must first supply the correct password.
  • Page 37 When you press any button, you will return to the Mass Flow Screen in the Upper Level. Press the “enter” key to try again. LOST PASSWORDS & 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 Service:...
  • Page 38: Making Changes Using The Lower Level Screens

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Making Changes Using the Lower Level Screens: The ten Lower Level Screens are at the heart of Dial-A-Gas, allowing you complete control of your Smart-Trak 2 instrument. It is possible to make several changes on different Lower Level Screens before exiting.
  • Page 39 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Change Setpoint 12.50 sl/m Now that you have made your selection, press the enter key. The display from our example will show: Change Setpoint 12.50 sl/m If you are finished or wish to observe the changes you have made on the LCD panel, press the escape key to return to the Upper Level Mass Flow Screen.
  • Page 40 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® If you wish to change the engineering units, press the enter button at this point. The “mass units” will begin to blink. Use the up or down arrows to select an alternate unit.
  • Page 41 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® If you wish to change the gas used in the instrument, press enter. The name of the gas will blink. Use the up and down arrows to make your selection. When you reach the desired gas, press enter.
  • Page 42 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Note: The valve will move to the desired position immediately when you press the enter key. IMPORTANT SAFETY NOTES ABOUT PURGING WARNING: When toxic or corrosive gases are used, purge unit thoroughly with inert dry gas before disconnecting from the gas line to prevent personnel from being injured when coming in contact with the instrument.
  • Page 43 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® 4-20 mA Pilot/RS232 When you are satisfied, press enter. You will see: Change Setpoint Source X-XX XX You can make additional changes by using the left and right arrow keys to move to other Lower Level Screens.
  • Page 44 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Change Output Signals X-XX XX/X-XX XX 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 return to the Upper Level Screens.
  • Page 45 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® 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 return to the Upper Level Screens.
  • Page 46 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® From this screen you can change the zero flow bridge differential value to match the zero flow conditions of your application. Mount (or place) the instrument where it is intended to be used, minding orientation, tilt, etc.; The accuracy of this function is dictated on how close to operating conditions the unit is when the meter is zeroed.
  • Page 47: Lost Passwords And General Customer Service

    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 Support Centers. Email Customer Service: service@sierrainstruments.com FACTORY USA Customer Service:...
  • Page 48: Chapter 5: Digital Operation Rs-232 & Smart-Trak 2 Software

    CRN cable. See Chapter 4 for details on operation using the Pilot Module. If you prefer to write your own software to communicate with the Smart-Trak 2 over the RS-232 link, this is certainly possible. Sierra Instruments will provide the Source Code including the Command Set upon request. Unfortunately, this is the limit of software Technical Support we can extend.
  • Page 49 4-20mA outputs. After your instrument is installed and the system has undergone a complete leak check (discussed in detail in Chapter 2), apply power using Sierra’s power supply or your own input power source. See Chapter 2, for power supply requirements.
  • Page 50: Loading The Smart-Trak 2 Software

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® setpoint reference for the instrument. As a result, the valve will be closed. However, the valve will return to the state it was in the last time the instrument was operated.
  • Page 51: Power Up Your Computer

    Connecting Smart-Trak 2 to Your Computer If your computer has a serial port… We suggest you use the supplied Sierra Instruments RS-232 communication cable (part number CRN). This pre-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.
  • Page 52 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® CAUTION: The CAT-5 connector on the side of the Smart-Trak 2 is NOT an Ethernet connector. Do not plug an Ethernet cable here as damage may result. All electrical connections for your Smart-Trak 2 instrument are made on the left (inlet) side panel.
  • Page 53: If Your Computer Has No Serial Port, But Has A Usb Port

    Open a separate software window for each meter and you can monitor all of them at one time. If connecting your computer to the Smart-Trak 2 creates any confusion, please contact Sierra Instruments or your IT person for assistance.
  • Page 54: Running The Smart-Trak 2 Software

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Running the Smart-Trak 2 Software Locate the file named “Smart-Trak 2” and open it. You will see the following screen: This is the main data screen. First, you must select the proper comport.
  • Page 55 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Establishing Communication If the Screen appears with all the yellow and white boxes full, the Smart-Trak 2 instrument has established communication with your computer. Proceed to the next section. If the screen appears, but the yellow and white boxes are all empty, you have selected the wrong “Com Port number.”...
  • Page 56 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Using the Smart-Trak 2 Software A. Upper Section of Software Window Across the upper half of the Smart-Trak 2 Software window you will see 3 yellow boxes. These are titled: Flow Setpoint (flow controllers only.
  • Page 57 (open, closed or purge) and the dac values for the valve (for Sierra troubleshooting only). CAUTION: 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.
  • Page 58 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 Troubleshooting only). B. Lower Section of Software Window– Changing Parameters Across the bottom half of the screen you will find a number of white boxes.
  • Page 59 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Change Setpoint Value (flow controllers only) This is the box that allows you to change the setpoint of the mass flow controller. To make a change to the setpoint value, move your pointer to this box and left click.
  • Page 60 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® In this normal operating position, the valve is ready to control flow when it receives a setpoint from some source. Using this box, you may set the valve to open well beyond its normal maximum position (“Purge”) or force the valve to remain shut...
  • Page 61 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Change Units This box will show the current engineering units. Should you wish to change the engineering units, use the pull-down menu. Make your selection, noting that each engineering unit is available with 3 different time constants: seconds, minutes and hours.
  • Page 62 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® C: ADJUSTMENTS: Clicking on “adjustments” brings up the meter settings screen. This screen allows for zeroing, spanning and adjusting 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 be set individually for each of the 10 gases.
  • Page 63 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Change Zero: This button automatically zeros the meter. To perform this zero procedure, you must make sure that the actual flow is zero. Attempting to zero the meter or controller while there is a flow condition will cause an offset.
  • Page 64 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Span: This allows the user to enter an offset to the span to adjust the meter outputs to match another device or field conditions. The span is a MULITPLIER and will multiply all outputs by the entered amount.
  • Page 65 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® The instrument will display its current full-scale value. If your instrument is new or this value has never been modified, the value displayed will be 100% of the maximum flow rate your Smart-Trak 2 can measure or control without factory re- calibration.
  • Page 66 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® CAUTION: The Change Full Scale function allows you to re-range your instrument, but it is important to be aware of the limitations of this function. Changing beyond recommended values may require a new LFE or even flow body be installed.
  • Page 67 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Com Port To change the communication port for the Smart-Trak 2, click on this feature. Use the pull down menu to choose the Comm Port that your Smart-Trak 2’s serial connector is plugged into. Remember that the software asks you to confirm your Comm Port every time you re-start.
  • Page 68: Chapter 6: Technical Support & Service

    Verify that your settings and adjustments are consistent with factory recommendations. If the problem persists, Sierra is eager to help you. You may contact us at any of the following Technical Support Centers. It may also help to call your Sierra Sales Agent, who is also well trained in the operation of the product.
  • Page 69 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Sierra Websites www.sierrainstruments.com Sierra Instruments, Inc. (USA Headquarters): www.sierrainstruments.nl Sierra Instruments b.v. (Europe): www.sierra-asia.com Sierra Asia Instruments (China):...
  • Page 70: Factory Calibration-All Models

    Factory Calibration—All Models Sierra Instruments maintains a fully-equipped calibration laboratory. All measuring and test equipment used in the calibration of Sierra transducers are traceable to NIST Standards. Sierra is ISO-9001 registered and conforms to the requirements of ANSI/NCSL-Z540 and ISO/IEC Guide 25.
  • Page 71 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® 4. Ship the unit(s) to the following address: RETURN ADDRESS: Sierra Instruments, Inc. Attention: Factory Service Center 5 Harris Court, Building L Monterey, CA 93940 USA...
  • Page 72 Material Safety Data Sheet (MSDS) must be enclosed & attached to the outside of the box to alert Sierra personnel of the potential hazard. Also, make sure the inlet & outlet are solidly plugged off.
  • Page 73: Appendix A: Gas Tables & K-Factors

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Appendix A: Gas Tables Smart-Trak 2 Pre-programmed Gases: Dial-A-Gas The following gases have been programmed into the Smart-Trak 2 instrument in this order. If you are using one of these gases, you may use the Dial-A-Gas feature in either the Pilot Module or the Software Package and the instrument will adjust the outputs automatically.
  • Page 74 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Gas Tables and K-factors Chemical K-factor Density Density Elastomers* Actual Gas Symbol Relative (Cal/g) (g/l) @ (g/l) @ O-ring Valve to Air 70°F 0°C Seat Acetylene .581 .4036 1.079 1.162 1.000 .240...
  • Page 75 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Actual Gas Chemical K-factor Density Density Elastomers* Symbol Relative (Cal/g) (g/l) @ (g/l) @ O-ring Valve 70°F 0°C Seat Dichloromethylsilane .251 .1882 5.345 5.758 SiCl Dichlorosilane .401 .150 4.183 4.506 Dichlorotetrafluoroethane .220...
  • Page 76 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Chemical K-factor Density Density Elastomers* Actual Gas Symbol Relative (Cal/g) (g/l) @ (g/l) @ O-ring Valve 70°F 0°C Seat Methyl Mercaptan .521 .2459 1.992 2.146 Methyl Trichlorosilane ) SiCl .251 .164 6.191...
  • Page 77: Appendix B: Product Specifications

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Appendix B: Product Specifications Performance Specifications: Accuracy Standard Calibration: ±1.0% of full scale at operating conditions High Accuracy Calibration: ±0.7% of reading plus 0.3% of full scale at operating conditions. Dial-A-Gas: ±1.0% of full scale in all 10 gases Repeatability ±...
  • Page 78 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Mass Flow Rates 101 Micro-Trak: 0 to 4 sccm 100L low flow body: 0 to 10 sccm to 0 to 50slpm 100M medium flow body: 0-20 to 0-300 slpm 100H high flow body: 0-100 to 0-1000 slpm Flow ranges specified are for nitrogen at 760 mm Hg and 21°C (70°F) or for an equivalent;...
  • Page 79 Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® Differential Pressure Requirement for Controllers (lower or higher available upon request) Optimum: 30-60 psi (2-4 bar) Minimum: See chart below. Note that required pressure increases with flow rate. Minimum Differential Pressure Requirement for Air, Mass Flow Controllers...
  • Page 80: Physical Specifications

    (standard). Other elastomers are available upon request. Optional Parts & Accessories: The following optional accessories are available from your Authorized Sierra Instruments Representative or directly from Sierra Instruments. They are provided to improve your experience with the Smart-Trak 2 Series 100 Mass Flow Meters...
  • Page 81 C ( ) specify length RS-232 cable, 10 foot, with CAT 5 on one end and Standard DB-9 connector on the other 10 micron filter for M100L or C100L 100L Filter 10 micron filter for M100M or C100M 100M Filter...
  • Page 82: Appendix C: Flow Chart For Pilot Module User Interface

    Sierra Instruments Instruction Manual Smart-Trak 2 Series 100 ® 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 in the Upper Level.
  • Page 83: Appendix D: Pin Configuration

    Sierra Instruction Manual Smart-Trak 2 Series 100 ® Appendix D: PIN Configuration Figure 2‐4: Wiring Definitions for Optional Communication Cable Pin # Wire Color in Cable Function Brown Analog Ground/Output 0-5 VDC Output (or 0-10, 1-5 VDC ) Orange Analog Ground/RS232 Pink Valve Override Purge Yellow Power Return (-)
  • Page 84: Appendix E: Product Dimensions And Mounting

    Sierra Instruction Manual Smart-Trak 2 Series 100 ® 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 Appendix E.
  • Page 85 Sierra Instruction Manual Smart-Trak 2 Series 100 ®...
  • Page 86 Sierra Instruction Manual Smart-Trak 2 Series 100 ®...
  • Page 87: Appendix F: Micro-Trak

    Introduction The Micro-Trak series of flow instruments from Sierra are designed to measure and control ultra low flows of clean gas. Special considerations must be taken to obtain optimum performance from your Model 101 Micro-Trak instrument.
  • Page 88 Sierra Instruction Manual Smart-Trak 2 Series 100 ® Performance Specifications—Micro-Trak Accuracy + 1% of full scale including linearity at operating conditions Dial-A-Gas + 1% of full scale in all 10 standard gases Repeatability +0.2% of full scale Temp Coeff +0.025% of full scale per ºF (+0.05% of full scale per ºC) or better Pressure coeff +0.01% of full scale per psi (+0.15% of full scale per bar) or better...
  • Page 89 • RS-232 • Pilot module controller Physical Specifications--Wetted Materials 316 stainless steel; 416 stainless steel; synthetic ruby, Viton® “O”-rings and valve seat standard. Other elastomers are available, consult factory. Dimensions Same as Model C100L, M100L. See Appendix E for details.
  • Page 90: Appendix G: Smart-Trak Basic Commands

    Smart- ® Trak . There is no implied warranty or guarantee regarding the use of this commands set. Sierra Instruments, Inc. is not liable for any damage or personal injury, whatsoever, resulting from the use of this command set.
  • Page 91 Sierra Instruction Manual Smart-Trak 2 Series 100 ® FLOW DESCRIPTION FLOW makes the streaming mode data = flow only. If meter is in streaming mode, this data will stream until a FLOWwSETPOINT, FLOWwSETPOINTwDAC or TOTALwDIFFwDAC is sent to the meter. If not in streaming mode then one flow will be return with each FLOW command sent.
  • Page 92 Sierra Instruction Manual Smart-Trak 2 Series 100 ® ASCII String commands '?Setf + CRC + cr' Version 2.xx read command '!Setf + value + CRC + cr' Version 2.xx write command Returns ASCII string 'Setf + valueSetpoint + CRC + cr' Values are a string of digits and an optional decimal place: '10.00'...
  • Page 93 Sierra Instruction Manual Smart-Trak 2 Series 100 ® Returns ASCII string 'Unti + unitIndex + CRC + cr' unitIndex is an integer string value of 1 to 30 CRC=redundancy check bytes; cr=carrage return byte. VALVE_INDEX DESCRIPTION VALVE_INDEX selects the state of the valve. Automatic = 1, Closed = 2, Purge = 3.
  • Page 94 Sierra Instruction Manual Smart-Trak 2 Series 100 ® value, all values with be sent back on write command. ASCII STRING COMMANDS '?Strm + CRC + cr' Version 2.xx read command '!Strm + streamString + CRC + cr' Version 2.xx write command Returns ASCII string 'Strm + streamString + CRC + cr' streamString = "On", "Off", "Echo"...
  • Page 95 Sierra Instruction Manual Smart-Trak 2 Series 100 ® GasSpanEvent(current gas only), SetpointIndexEvent, OuputIndexEvent, UnitIndexEvent, ValveFlashEvent, StreamEvent, SyncEvent ASCII STRING COMMANDS '?Sync + CRC + cr' Version 2.xx read command Returns ASCII string 'Sync + "" + CRC + cr' SyncEvent returned last to indicate all events have been sent CRC=redundancy check bytes;...
  • Page 96 Sierra Instruction Manual Smart-Trak 2 Series 100 ® /* only the lower 16 bits contain the crc */ i,j; /* interating indexes for the for loops */ uint crc; /* crc variable that will be returned */ crc=0xffff; /* initialize crc to hex value 0xffff */ (i=0;...
  • Page 97 Sierra Instruction Manual Smart-Trak 2 Series 100 ® (i=0; i<cmnd.Length; i++) crc=crc^((uint)(cmnd[i]*0x0100)); for(j=0; j<8; j++) if((crc&0x8000)==0x8000) crc=((crc<<1)^0x1021)&0xffff; else crc=(crc<<1)&0xffff; if((crc&0xff00)==0x0d00) crc +=0x0100; if((crc&0x00ff)==0x000d) crc +=0x0001; if((crc&0xff00)==0x0000) crc +=0x0100; if((crc&0x00ff)==0x0000) crc +=0x0001; return crc; CRC ROUTINE IN MS VISUAL BASIC: Public Sub SendPacket(packet As String)
  • Page 98 Sierra Instruction Manual Smart-Trak 2 Series 100 ® Next j If (crcWord And &HFF00) = &HD00 Then ' carriage char not allowed crcWord = crcWord + &H100 ' make this byte &h0exx End If If (crcWord And &HFF00) = &H0 Then ' zero char is death crcWord = crcWord + &H100...

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