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Sierra Instruction Manual

MaxTrak 180

19

3

Analog Operation

Your MaxTrak instrument may be operated in two different ways:

1.

Analog Input/Output Operation (this chapter): Using analog input/output signals at the 15-pin mini-D
connector.

2.

Digital Operation with RS-232 and SmartTrak Software (Chapter 4): Using the RS-232 link, the supplied
SmartTrak Software package and a PC-style computer running the Windows operating system.

This chapter will discuss the first of these—Analog Operation. Please see Chapter 4 for digital operation.

Regardless of control options, the standard output for all MaxTrak 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 always
a current signal of 4-20 mA. The other is a user-configurable voltage signal of 0-5 VDC, 0-10 VDC or 1-5 VDC.

For mass flow controllers, one input signal of 4-20 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 WT connector or the Terminal Strip, refer to Chapter 2.

3.1

Analog Operation, Mass Flow Meters

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.

3.1.1

Power Your Instrument

Apply power using Sierra’s power supply or your own power source. See Chapter 2 for complete power supply
requirements. Let the instrument warm up for at least 15 minutes for optimal performance. Check the con-
figuration of your instrument by reviewing the data label details.

WARNING:

The MaxTrak is not a loop-powered device. Do not apply power to the 4-20 outputs.

If the configuration is not correct for your present application, you can alter it. See Chapter 4 or 5 for details on how
to change the configuration of your MaxTrak instrument.

If the configuration is correct, your MaxTrak instrument is now ready for use.

3.2

Analog Operation, Mass Flow Controllers

After your instrument is installed and the system has undergone a complete leak check as discussed in detail in
Chapter 2, follow these steps:

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Содержание C100L-L-DD-LE-5-OV1-SV1-PV1C-V1-S1

Страница 1: ...rra Instruction Manual MaxTrak 180 1 MaxTrak 180 Series Mass Flow Meters Controllers Models 180 180 Flanges Instruction Manual Version IM 180 Series Rev L 11 20 GLOBAL SUPPORT LOCATIONS WE ARE HERE TO HELP ...

Страница 2: ... 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 You are responsible for cleaning the mass flow meter or controller to the degree required for your oxygen flow application COPYRIGHT SIERRA INSTRUMENTS 2020 No part of this publication may be copied or distr...

Страница 3: ...eport to the factory or distributor Remove the packing slip and check that all ordered components are present Make sure any spare parts or accessories are not discarded with the packing material Do not return any equipment tothe factory without first contacting Sierra Customer Service Technical Assistance If you encounter a problem with your flow meter review the configuration information for each...

Страница 4: ...nship and will be repaired or replaced at no charge to Buyer provided return or rejection of product is made within a reasonable period but no longer than one 1 year for calibration and non calibration defects from date of delivery To assure warranty service customers must register their products online on Sierra s website Online registration of all of your Sierra products is required for our warr...

Страница 5: ...Mounting 13 2 4 1 Mounting Your Instrument 13 2 5 Installing Your Instruments Electrical Connections 13 2 5 1 Using Water Tight WT Cables 14 2 5 2 Using the Cable Gland or Conduit 14 2 5 3 Opening the MaxTrak Instrument 14 2 6 Basic Analog Installation 17 2 6 1 Instrument Power 17 2 6 2 Output Signal Voltage 17 2 6 3 Output Signal Current 17 2 6 4 Additional Features for Mass Flow Controllers 17 2...

Страница 6: ...shing Communication 26 4 6 Using the SmartTrak Software 27 4 6 1 Upper Section Software Window 27 4 7 Lower Section of Software Window Changing Parameters 30 4 7 1 Change Valve Operation Automatic Close Purge 31 4 7 2 Change Gas Dial A Gas 31 4 7 3 Change Units 32 4 7 4 Change Analog Out 32 4 8 Adjustments 33 4 8 1 Change Zero 34 4 8 2 Default Zero 34 4 8 3 Span 35 4 8 4 Change Full Scale 35 4 9 O...

Страница 7: ...ses Dial A Gas 40 6 2 K Factor Calculations Using MaxTrak with Other Gases 40 6 3 Gas Tables and K Factors 41 7 Appendix B 180 Product Specifications Dimensions and Mounting 44 7 1 Optional Parts Accessories 50 7 2 Ordering Parts Accessories 50 8 Appendix C PIN Configuration and Wiring Diagram 51 ...

Страница 8: ...ign with many functions that can be re configured on site by the user Choice of Electric Connections including our water tight plug and play option The Optional Pilot Module control electronics that offers a large LCD display with convenient instrument configuration and trouble shooting options at your fingertips And many more visit www sierrainstruments com 1 1 Using This Manual This manual is or...

Страница 9: ...ement LFE or bypass generates pressure drop forcing a small fraction of the total flow to pass through the sensor capillary tube 1 3 The MaxTrak Flow Sensing Principle The operating principle of the MaxTrak 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 t...

Страница 10: ...ers this output signal is made linear over the transducer s normal operating range Figure 4 As a result the measured flow through the sensor tube is directly proportional to the gas flow in the main body Figure 4 Linear Range of the Transducer s Output Signal In the MaxTrak mass flow controllers the gas which flows through the monitoring section is precisely regulated by the built in electro magne...

Страница 11: ...se each instrument is con figured for a specific application range it is critical to verify these details be fore operation Please review the gas or gases the 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 50 C 122 F The minimum operating gas tempera...

Страница 12: ...on the data label You may change between the current and the voltage output signal at your discretion after receipt of the instrument using the Remote Pilot Module or the SmartTrak Software see Chapters 4 5 Changing the voltage output has no influence on the instrument s accuracy 6 The instrument has specific power supply requirements See the table later in this chapter for a complete listing of p...

Страница 13: ...flon tape Apply to the male fittings Alternatively use a high quality paste pipe thread sealant suitable for the application and gas and apply this compound to the inlet and outlet fittings Avoid getting the tape or the thread sealant onto the first two threads to keep it out of your process gas 3 Tighten each fitting by hand Then tighten no more than one 1 turn Do not over tighten 4 Check the sys...

Страница 14: ... cover just the top section Do not remove the O ring seal around the perimeter of the enclosure 2 If using conduit run your wires through the conduit connect the conduit to our FNPT port on the inlet side of the instrument with Teflon tape or pipe thread sealant then pass your wires into the instrument toward the terminal strip at the top If using the cable gland run your shielded cable with a dia...

Страница 15: ...Sierra Instruction Manual MaxTrak 180 15 Terminal Strip PCA Pin Configuration inside the enclosure 8 7 6 5 4 3 44 0206 52 0193 Rev A www sierrainstruments com 9 10 11 12 13 14 15 8 7 6 5 4 3 2 ...

Страница 16: ...ECTED 5 Power Return Yellow 6 Power Input Green 7 RS 232 Transmit out Purple 8 Setpoint Blue 9 Not Used NOT CONNECTED 10 Analog Ground Gray 11 Reference Voltage 5 VDC External Setpoint Valve Purge NOT CONNECTED 12 Valve Override close Black 13 RS 232 Receive in Pink 14 4 20 mA Output White 15 Chassis Earth Ground Tan Light Brown 16 Not Used NOT CONNECTED NOTE Sierra recommends individual wires fro...

Страница 17: ...ltage Minimum Current Required mA M180M Meter 15 24 VDC 10 130 M180H Meter 15 24 VDC 10 130 C180M Controller 24 VDC 10 700 C180H Controller 24 VDC 10 1260 2 6 2 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 The minimum load is 1000 Ohms 2 6 3 Output Signal Current Measure the current output si...

Страница 18: ... Your Instrument You can communicate with your instrument using the SmartTrak Software package provided with your purchase and your PC running the Windows operating system Simply connect the purple pin 7 wire the pink pin 13 wire and one of the analog grounds brown orange or gray wires pin 1 3 or 10 to a standard DB 9 connector according to the chart on the next page RS 232 Wiring Configuration RS...

Страница 19: ...nge 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 WT connector or the Terminal Strip refer to Chapter 2 3 1 Analog Operation Mass Flow Meters After your instrument is installed and the system has undergone a complete leak check as discussed in detail in Chapter 2 you are read...

Страница 20: ...y full scale calibrated range MaxTrak will immediately begin accurately monitoring and controlling the gas mass flow rate Let the instrument warm up for at least 15 minutes for optimal performance NOTE You must supply the setpoint in the configuration the MaxTrak is looking for If the instrument does not respond to your setpoint check the configuration on the data label and re configure the instru...

Страница 21: ...an over range condition exists Please be aware that the analog outputs can exceed full scale by as much as 20 or more Once the over range condition has been removed it may take up to 30 seconds for the MaxTrak to recover and resume normal operation An over range condition will not harm the instrument 3 3 4 Manual Valve Override Valve Close WARNING The MaxTrak valve is not a positive shut off devic...

Страница 22: ...hods may be used Cycle purge This is done by alternately evacuating and purging the instrument for 2 to 4 hours with clean dry nitrogen Purge the instrument with clean dry nitrogen for 18 to 24 hours Evacuate the instrument for 18 to 24 hours 3 5 Safety Notes When Purging WARNING When toxic or corrosive gases are used purge unit thoroughly with inert dry gas before disconnecting from the gas line ...

Страница 23: ...ely this is the limit of software Technical Support we can extend 4 1 Summary of the SmartTrak Features Your SmartTrak instrument may be easily monitored and adjusted using the supplied SmartTrak Software package You should note that the SmartTrak Software was designed with all the same functions as the Pilot Module The software allows you to see all changes parameters at a glance and will allow y...

Страница 24: ...d Remember that the valve in the SmartTrak controller is not a positive shut off device When power is applied the flow control valve will operate per any instructions it receives When the SmartTrak is delivered the valve will be in the Automatic Normal state and the Pilot Module will provide the correct zero setpoint reference for the instrument As a result the valve will be closed However the val...

Страница 25: ...applications before running software on your computer PROCEDURE 1 Download software to your computer Use the default direct C drive Program Files 2 Run setup exe 3 Follow the instructions on screen CAUTION It is recommended that you do not change the default installation directory for this software The default directory is C drive Program Files Changing the installation directory may lead to malfu...

Страница 26: ...w and white boxes full the SmartTrak 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 See 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 ...

Страница 27: ...you will see 3 yellow boxes These are titled Flow Setpoint flow controllers only Will show zero for meters Full Scale These boxes display the current operating conditions of your SmartTrak instrument If you have the Pilot Module these boxes on the upper half of the software screen are identical to the Upper Level Screens on the Pilot Module discussed in Chapter 4 The features of these boxes are de...

Страница 28: ...r the engineering units the source of the setpoint signal the current valve state 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 This is because your SmartTrak is expecting an analog setpoint at the 15 pin m...

Страница 29: ...ow as soon as a setpoint is given to it If this box does not display Automatic it will not be possible to control gas flow Your valve is locked open Purge or closed Closed See the section titled Change Valve Operation below for further instructions 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 coun...

Страница 30: ...nge to the setpoint value move your pointer to this box and left click You may change a digit or delete the current setpoint and key in a new one When you have made your selection press the enter key to implement it If instead of using the RS 232 link you prefer to supply analog set point signal to the SmartTrak activate the pull down menu Make your selection carefully and click Your selection wil...

Страница 31: ...se the pull down menu to make this change Choose purge to fully open the valve regardless of the given setpoint or choose closed to override any setpoint command and close the valve WARNING Do not activate the valve state pull down menus unless you are ready to make this change Once in the pull down menu if you click on one of the selections the valve operation will change immediately Remember tha...

Страница 32: ...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 Choose 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 33: ...ull 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 MODIFICATIONS of this screen will only be applicable to the gas displayed To modify other gases change the gas in the pull down menu and repeat ...

Страница 34: ...e sure that the actual flow is zero Attempting to zero the meter or controller while there is a flow condition will cause an offset Also the best zero is obtained by using the actual gas at the listed operating pressure 4 8 2 Default Zero This will set the zero value back to factory conditions Use this in order to recover from a mistaken entry ...

Страница 35: ...ng is 100 A span value of 1 02 will adjust the meter output to read 100 CAUTION This number should not be adjusted beyond 0 8 to 1 2 This setting allows you to change the full scale of your instrument 4 8 4 Change Full Scale 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 ra...

Страница 36: ...ull scale value of your device modify one digit or erase the current value displayed and type in your desired full scale value When you are satisfied with your selection press the enter key The new full scale value will appear in the white box A few seconds later the same value will appear in the yellow box in the upper half of the screen titled Full Scale WARNING The Change Full Scale function al...

Страница 37: ...ure you wish and left click 4 9 1 Com Port To change the communication port for the SmartTrak click on this feature Use the pull down menu to choose the Comm Port that your SmartTrak s serial connector is plugged into Remember that the software asks you to confirm your Comm Port every time you re start This feature is designed for situations when you have multiple Comm Ports available and you wish...

Страница 38: ...strument data label The problem you are encountering and any corrective action taken Application information gas pressure temperature pipe and fitting con figuration 5 1 Sierra Customer Service Locations USA World Headquarters Monterey California TOLL FREE 800 866 0200 PHONE 831 373 0200 EMAIL service sierrainstruments com www sierrainstruments com European Sales and Service Center Egmond a d Hoef...

Страница 39: ... know which service s will be required describe the symptoms as accurately as possible on the RMA form Pack your instrument carefully Use the original packaging and foam or bubble wrap packing peanuts NOT recommended and include a copy of the RMA form complete with Sierra supplied RMA number with the unit s Ship the unit s to the following address Sierra Instruments Inc Attention Factory Service C...

Страница 40: ...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 actual gas is not a common gas or if it is toxic flammable corrosive etc The tables can also be used to interpret the reading of a flow meter or flow controller that has been calibrated with a gas other than the actual gas Before a...

Страница 41: ...2 407 2 593 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 Disulfide CS2 601 1428 3 153 3 397 Carbon Monoxide CO 1 002 2488 1 160 1 250 Carbon Tetrachloride CCl4 311 1655 6 368 6 860 KR Carbon Tetrafluoride Freon 14 CF4 421 1654 3 645 3 926 Carbonyl Fluoride COF2 541 1710 ...

Страница 42: ... 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 C4F8 170 185 7 795 8 397 NEO NEO Germane GeH4 571 1404 3 173 3 418 Germanium Tetrachloride GeCL4 271 1071 8 879 9 565 KR Helium He 1 399 1 241 164 1786 Hexafluoroethane Freon 116 C2F6 241 1834 5 716 6 157 KR Hexane C6H14 180 3968 3 569 3 845 KR Hydrogen H...

Страница 43: ...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 C3H6 411 3541 1 742 1 877 Silane SiH4 601 3189 1 330 1 433 KR Silicon Tetrachloride SiCl4 281 1270 7 037 7 580 KR Silicon Tetrafluoride SiF4 351 1691 4 310 4 643 KR Sulfur Hexafluoride SF6 261 1592 6 049 6 5...

Страница 44: ...Sierra Instruction Manual MaxTrak 180 44 7 Appendix B 180 Product Specifications Dimensions and Mounting ...

Страница 45: ...Sierra Instruction Manual MaxTrak 180 45 ...

Страница 46: ...Sierra Instruction Manual MaxTrak 180 46 ...

Страница 47: ...Sierra Instruction Manual MaxTrak 180 47 ...

Страница 48: ...Sierra Instruction Manual MaxTrak 180 48 ...

Страница 49: ...Sierra Instruction Manual MaxTrak 180 49 ...

Страница 50: ...der Code Power Supply with fly leads bare wires USA plug 100 T8F Communication cable for WT option 6 foot C6 Communication cable for WT option 20 foot C20 Communication cable for WT option 33 foot C33 Communication cable for WT option Custom length C specify length in brackets 7 2 Ordering Parts Accessories Email Customer Service service sierrainstruments com FACTORY USA PHONE 1 831 373 0200 EMAIL...

Страница 51: ...anual MaxTrak 180 51 8 Appendix C PIN Configuration and Wiring Diagram Terminal Strip PCA Pin Configuration inside the enclosure 8 7 6 5 4 3 44 0206 52 0193 Rev A www sierrainstruments com 9 10 11 12 13 14 15 1 2 3 4 5 6 7 ...

Страница 52: ...5 VDC Output or 0 10 1 5 VDC Red 3 Analog Ground Orange 4 Valve Override purge NOT CONNECTED 5 Power Return Yellow 6 Power Input Green 7 RS 232 Transmit out Purple 8 Setpoint Blue 9 Not Used NOT CONNECTED 10 Analog Ground Gray 11 Reference Voltage 5 VDC External Setpoint Valve Purge NOT CONNECTED 12 Valve Override close Black 13 RS 232 Receive in Pink 14 4 20 mA Output White 15 Chassis Earth Groun...

Страница 53: ...Sierra Instruction Manual MaxTrak 180 53 ...

Страница 54: ...Sierra Instruction Manual MaxTrak 180 54 ...

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