-
Sierra 241-VT - page 1
Series 24-HP Instruction Manual Table of Contents IM-24-HP 0-1 Sierra Series 240 and 241 Innova -Mass™ Multi-Paramete r V ortex Mass Flow Meters Models 240-VT, 240-VTP, 241-VT, 241-VT P Instruction M anual Part Number: IM-24-HP, Rev. C 11/07 CORPORA TE HEA DQUA RTERS 5 Harris Court, Building L , Monterey , CA 93940 Phone (831) 373-0200 (800) 866- ...
-
Sierra 241-VT - page 2
Table of Contents Series 24-HP Instruction Manual 0-2 IM-24-HP Customer Notice Unless you have specifically ordered Sierra’s optional O 2 cleaning, this flow meter may not be fit for ox y g en service. Sierra Ins truments, Inc., is not liable for any damage or personal injury , whatsoever, r esulti ng f rom the use of Sierra Instru- ments standar ...
-
Sierra 241-VT - page 3
Series 24-HP Instruction Manual Table of Contents IM-24-HP 0-3 T able of Contents Chapter 1 Introduction Innov a-Mass™ Vortex Mass Fl ow Meters.......................................... 1-1 Using this Manual ......................................................................... 1- 1 Note and Safety Inform ation ................................ ...
-
Sierra 241-VT - page 4
Table of Contents Series 24-HP Instruction Manual 0-4 IM-24-HP E nergy Menu ....................................................................... 3-10 Fluid Menu .................................................................................. 3-11 Units Menu .................................................................................. 3- 1 ...
-
Sierra 241-VT - page 5
Series 24-HP Instruction Manual Table of Contents IM-24-HP 0-5 Figures 1-1. In- Line V ortex Multi-Parameter Mass Flow Meter ............... 1-3 1-2. Measurement Principle of Vortex Flow Meters ..................... 1- 4 1-3. Reynolds Num be r Rang e of the I nnova-Mass ........................ 1-6 2-1. Recomm ended Pipe Length Require d for I nst ...
-
Sierra 241-VT - page 6
Table of Contents Series 24-HP Instruction Manual 0-6 IM-24-HP W arnings and Cautions Warning! Agency approval for hazar dous location installations varies between flow meter models. Consult the flow meter na meplate for specific flow meter appro vals before any hazardous location installation. Hot tapping must be pe rformed by a trained professio ...
-
Sierra 241-VT - page 7
Series 24-HP Instruction Manual Chapter 1 Introduction IM-24-HP 1-1 Chapter 1 Introdu ction Innova-Mass ™ Multi -Parameter V ortex Mass Flow Meters The Sierr a I nstr um ents’ Series 240 I n-Line and the Series 241 Insertion Innov a-Mass™ V ortex Flow Meters provide a reli able solution for proc- ess flow measurement. From a sing le entry poi ...
-
Sierra 241-VT - page 8
Chapter 1 Introduction Series 24-HP Instruction Manual 1-2 IM-24-HP Note and Safety Information We use note, cauti on and warning statem ents throughout this book t o draw your attention to i m porta nt information. Warning! Caution! Note This statement appears w ith information that is impor tant to protect people a nd equipment from damag e. Pay ...
-
Sierra 241-VT - page 9
Series 24-HP Instruction Manual Chapter 1 Introduction IM-24-HP 1-3 How the Innova-Ma ss V o r tex Mass Flow Meter Operates Figure 1-1. In-Line Vortex Multi-Parameter Mass Flo w Meter Sierra Seri es 240 and 241 I nnova-Mass™ Multi - Parameter Vort ex Mass Flow Meters use a uni que sensor head to monitor mass flow rate by di- rectly measuring thre ...
-
Sierra 241-VT - page 10
Chapter 1 Introduction Series 24-HP Instruction Manual 1-4 IM-24-HP Vortex Shedding Freque ncy Von Karman vortices form downstream of a shedder bar int o two dis- tinct wakes. The vortices of one wak e rotate clockwise while those of the other wake rotate count erclockwise. Vortices generate one a t a time, alternat ing f rom t he left side to the ...
-
Sierra 241-VT - page 11
Series 24-HP Instruction Manual Chapter 1 Introduction IM-24-HP 1-5 Re = ρ V D µ St = f d V Flow Velocity Ra nge To ensure t rouble- f ree operation, vortex flow meters must be correctly sized so that the f low v el ocity rang e through the meter lies within t he measurable velocity range (with acceptable pr essure drop) and the linear range. The ...
-
Sierra 241-VT - page 12
Chapter 1 Introduction Series 24-HP Instruction Manual 1-6 IM-24-HP As shown in Figure 1-3, I nnova-Mass™ meters exhibit a const ant Strou- hal number across a large range of Reynolds numbers, indicating a con- sistent l inear output over a wide range of flows and fluid t y pe s. Below this linea r range, the intelligent electr onics in I nnova- ...
-
Sierra 241-VT - page 13
Series 24-HP Instruction Manual Chapter 1 Introduction IM-24-HP 1-7 Pressure Meas urement Innov a-Mass Flow Meter s incorporate a solid-state pres sure transducer isolated by a 316 stai nless steel diaphragm. The transducer i tself is mi- cro-m ac hined silicon, fabricat ed using integrated circuit proces sing tech- nology. A nine- point pressure/t ...
-
Sierra 241-VT - page 14
Chapter 1 Introduction Series 24-HP Instruction Manual 1-8 IM-24-HP Flow Meter Electronics Innov a-Mass Flow Meter electronics are availabl e m ounted di rectly to the flow body, or remotely m ounted. The ele ctronics housing may be used indoors or out doors, including wet environm ents. Power require - ments are 100 milliamps at 12- 36 VDC. An opt ...
-
Sierra 241-VT - page 15
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-1 Chapter 2 Ins tallation Installation Overview Sierra’s Innova- Mass Vort ex Flow Meter installat ions are simple and straightforward. Both t he Series 240 In- Line and Seri es 241 I nser tion type flow meter installa tions are covered in this chapter . After reviewing the install ...
-
Sierra 241-VT - page 16
Chapter 2 Installation Series 24-HP Instruction Manual 2- 2 IM-24-HP Unobstructed Flow Re quirements Select an inst allation site tha t will m inimize possible distort ion in the flow profile . Valves, elbows, control valves and other piping components may cause flow distur bances. Check your specific pipi ng condi tion against the examples shown b ...
-
Sierra 241-VT - page 17
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-3 Series 240 In-Line Flow Meter Installation Install the Series 240 In-Line Flow Meter between two conventional pipe flanges as shown in Figures 2-3 and 2- 4. Table 2-1 provides the recom- mended m i nim um stud bolt lengths for wafer- s ty l e m et er body size and different flange ...
-
Sierra 241-VT - page 18
Chapter 2 Installation Series 24-HP Instruction Manual 2- 4 IM-24-HP Wafer-Style Flow Meter Installation Install the wafer-style meter between two conventional pipe flanges of t he same nom i nal size as the flow meter. If the process fluid is a l iquid, m ake sure the meter is loca ted where the pipe is always full. T his m ay requir e locating th ...
-
Sierra 241-VT - page 19
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-5 Flange-Style Flow Meter Installation Install the flange-style m eter between two conventional pipe flanges of the same nominal size as the flow meter. If the process fluid is a liquid, mak e sure the meter is loca ted where the pipe is always full. T his m ay re- quire locat ing t ...
-
Sierra 241-VT - page 20
Chapter 2 Installation Series 24-HP Instruction Manual 2- 6 IM-24-HP Series 241 Insertion Flow Meter Installation Prepare the pipe line for installa tion using either a cold tap or hot tap method described on the foll ow ing pages. Refer to a standard code f or all pipe tapping operati ons. The following tapping instructions are g eneral in nature ...
-
Sierra 241-VT - page 21
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-7 Cold Tap G uidelines Refer to a standa rd code for all pipe tappi ng oper ations. The following tapping instructi ons are general in nature and inte nded for guideline pur- poses only. 1. Turn off t he flow of process gas, liquid or stea m . Ver ify that the line is not pressur ize ...
-
Sierra 241-VT - page 22
Chapter 2 Installation Series 24-HP Instruction Manual 2- 8 IM-24-HP Hot Tap Gui delines Refer to a standard code for all pipe tapping operations. The fol lowing tapping i nstructions are general in nature and intended f or guideline pur- poses only. 1. Confirm that the instal lation site meets the minimum upst ream a nd downstream pipe diameter re ...
-
Sierra 241-VT - page 23
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-9 Flow Meter Insertion The sensor hea d m ust be pr operly positioned in the pipe. For t his rea- son, it is i m portant that insertion length cal culations are careful ly fol- lowed. A sensor probe inser ted at the wrong depth in the pipe will r esult in inaccurat e readings. Insert ...
-
Sierra 241-VT - page 24
Chapter 2 Installation Series 24-HP Instruction Manual 2- 10 IM-24-HP Installing Flow Meters with a Compression Connection* Use the following formula to determine inser tion length for flow meters (NPT and flanged) with a compression proc ess connection. The inst alla- tion procedure i s g iven on the next page. Insertion Length Form ula I = S – ...
-
Sierra 241-VT - page 25
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-11 Insertion Procedure for Meters with a Compression Connection Figure 2-7. Flow Meter with Compression Type Fitting 1. Calculate the required sensor probe inser tion length. 2. Fully retract t he stem unt il the sensor head is t ouching the bottom of the stem housing. Slightly tight ...
-
Sierra 241-VT - page 26
Chapter 2 Installation Series 24-HP Instruction Manual 2- 12 IM-24-HP Installing Flow Meters with a Packing Gland Co nnection* Use the formula below to determine the ins ertion depth for flow meters (NPT and flanged) equipped wit h an insertion tool. T o install, see the next page for instruc tions for meters with a permanent insertion t ool. For m ...
-
Sierra 241-VT - page 27
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-13 Insertion Procedure for Flow Meters with Permanent Inse rtion Too l Figure 2-9. Flow Meter with Permanent Insertion Tool 1. Calculate the required sensor probe inser tion length (see previous page). Measure from the depth marker arrow down the stanchion and scribe a mark at the ca ...
-
Sierra 241-VT - page 28
Chapter 2 Installation Series 24-HP Instruction Manual 2- 14 IM-24-HP Insertion Procedure for Flow Meters with Removable Ins ertion Tool Figure 2-10. Flow Meter with Removable Insertion Tool 1. Calculate the required sensor probe inser tion length. Measure from the depth marker arrow down the stanchion and sc ribe a m ark at the calculated i nserti ...
-
Sierra 241-VT - page 29
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-15 7. Tighten the packing gland nuts to stop lea k age around the s tem . Do not torque over 20 ft-lbs. 8. Slide the ste m clamp back into position. T orque stem clam p bolts to 15 ft-lbs. Replace the stem clamp nuts and torque to 10-15 ft-lbs. 9. To separat e the insertion tool f ro ...
-
Sierra 241-VT - page 30
Chapter 2 Installation Series 24-HP Instruction Manual 2- 16 IM-24-HP Insertion Procedure for Flow Meters with No Insertion Tool (Packing Gla nd Co nnection) 1. Calculate the required sensor probe inser tion length. 2. Fully retract t he stem unt il the sensor head is t ouching the bottom of the stem housing. Rem ove the two top st em cl am p nuts ...
-
Sierra 241-VT - page 31
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-17 Adjusting Meter Orientation Depending on installati on requirements, you m ay need to adj ust the meter orientati on. There are two adjus tm ent s av ailable. T he first rotates t he po- sition of t he LC D display/keypad and is available on both in-line and in- sertion meters. T ...
-
Sierra 241-VT - page 32
Chapter 2 Installation Series 24-HP Instruction Manual 2- 18 IM-24-HP Enclosure Adjustment (Series 240 Only) Figure 2-13. Enclosure Viewing Adjustment To avoid damage to the sensor wires, do not rot ate the enclosure beyond 180-deg r ees from the original position. To adj ust the enclosure: 1. Remov e power t o the flow m eter. 2. Loosen the three ...
-
Sierra 241-VT - page 33
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-19 Wiring Connections The NEMA 4X enclosure contains an integral wiring compartment with one dual stri p term i nal block (located in the smaller end of t he enclo- sure). Two 3/4-inch female NPT conduit ent ries are available for sepa - rate power and signal wiri ng . For all hazard ...
-
Sierra 241-VT - page 34
Chapter 2 Installation Series 24-HP Instruction Manual 2- 20 IM-24-HP 4-20 mA Output Connection s The standar d I nnova-Mass Flow Meter has a single 4-20 mA loop. Two additional l oops are available on the optional com munication board. T he 4-20 m A loop curr ent is controlled by the meter electr onics. The electron- ics must be wired in seri es w ...
-
Sierra 241-VT - page 35
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-21 Figure 2-18. Non-Isolated 4–20 mA Output Using Meter Input Power Supply Figure 2-19. Isolated 4–20 mA Output usi ng Meter Provided Power S upply Pulse Output Connections The pulse out put is used for a remote counter. When the pr eset volum e or mass (defined in the tot alizer ...
-
Sierra 241-VT - page 36
Chapter 2 Installation Series 24-HP Instruction Manual 2- 22 IM-24-HP Figure 2-20. Isolated Pulse Output with External Power Supply Figure 2-21. Non-Isolated Pulse Output Using Input Power Supply Figure 2-22. Isolated Pulse Output Using M eter P rovided Power Supply ...
-
Sierra 241-VT - page 37
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-23 Alarm Output Conn e ctions One alarm output (Alarm 1) is included on the standard I nnova- Mass™ Flow Meter. Two or more alarms (Alarm 2 and Alarm 3) are included on the optional c om munication board. T he alarm output optical relays are normally- open si ng l e- pole relays. T ...
-
Sierra 241-VT - page 38
Chapter 2 Installation Series 24-HP Instruction Manual 2- 24 IM-24-HP Figure 2-25. Isolated Alarm Output Using Meter Provi ded Pow er Supply Remote Electronics Wiring The remote electr onics enclosure should be mounted in a convenient, easy to reach locati on. For haz ardous locati on installations, make sure to observe agency requirements for inst ...
-
Sierra 241-VT - page 39
Series 24-HP Instruction Manual Chapter 2 Installation IM-24-HP 2-25 Optional Input Electronics Wiring The meter has two optional input wiring terminals. These can be used to input a Remote or Second RTD input in the case of an Energy Monitoring meter, for the input of a R emote Pressure Transduc er, to pass a Contact Closure or for a Remote Densit ...
-
Sierra 241-VT - page 40
Chapter 2 Installation Series 24-HP Instruction Manual 2- 26 IM-24-HP ...
-
Sierra 241-VT - page 41
Series 24-HP Instruction Manual Chapter 3 Operation IM-24-HP 3- 1 Chapter 3 Opera ting Instruction s After insta lling the I nnova-Mass Vortex Flow Met er, y ou are ready to begin operation. The sections in this chapter explain the display/keypad com mands, meter start-up and programm i ng . T he meter is ready to operate at s tart up without any s ...
-
Sierra 241-VT - page 42
Chapter 3 Operation Series 24-HP Instruction Manual 3-2 IM-24-HP Setup Menus Password Mass Flow Rate Volume Flow Rate Temperatu re Pressure Density Total Alarm 1 Status Fluid ENTER Date & Time Alarm 2 Status Alarm 3 Status Run Mode Screens Energy * ENTER Press Exit to return to Run Mode Use keys to acc ess each item Start-Up To begin flow meter ...
-
Sierra 241-VT - page 43
Series 24-HP Instruction Manual Chapter 3 Operation IM-24-HP 3- 3 Using the Setup Men us Programming the Flo w Meter 1. Enter the Setup Me nu by pre ssing the EN TER key unt il prompted for a password. (All outputs are di sabled while using the Setup Menus.) 2. Use the keys to select the password characters (1234 is t he factory- se t ...
-
Sierra 241-VT - page 44
Chapter 3 Operation Series 24-HP Instruction Manual 3-4 IM-24-HP Output Menu Password ENTER Use keys to access menus Output Menu 4-20mA Output 1 More > ENTER Run Mode 4- 20mA Output 2 More > < Measure > None Mass Volume Temp 1,2 Press Density < Measure > None Mass Volume Temp 1,2 Press Density < Measure > None Mass Volume Te ...
-
Sierra 241-VT - page 45
Series 24-HP Instruction Manual Chapter 3 Operation IM-24-HP 3- 5 Example for S etting an Output The following sh ows how to s et Output 1 to measure mass f low w ith 4 mA = 0 lb/hr and 2 0 m A = 1 00 lb/hr wi th a time constant of 5 seconds. (All outputs are disabled w hile using the Setup Menus.) First, set the desire d units of measurement: 1. U ...
-
Sierra 241-VT - page 46
Chapter 3 Operation Series 24-HP Instruction Manual 3-6 IM-24-HP Display Menu Password ENTER Use keys to access menus Display Menu Cycle Time(Sec) 0 ENTER Run Mode Number of Digits 2 MF Vf Te Pr De T Y or N A1 A2 A3 Fl Dt E Y or N If Cycle Time is set to zero, manual advance is required Used to set t he number of digits displayed after decimal poin ...
-
Sierra 241-VT - page 47
Series 24-HP Instruction Manual Chapter 3 Operation IM-24-HP 3- 7 Alarms Menu Example for S etting an Alarm The following sh ows how to s et Alarm 1 to activate if the mas s flow rate is greater than 100 lb/hr. Yo u can check the alarm configu ration in the Run Mode by pressing the key s until Alarm [1] appears. The low er line displays the ...
-
Sierra 241-VT - page 48
Chapter 3 Operation Series 24-HP Instruction Manual 3-8 IM-24-HP Totalizer #1 Menu Use the Total iz er Menu to confi g ur e and m onit or the totalizer. The t otalizer output is a 50 millisecond (.05 second) pos itive pulse (relay closed for 50 milliseconds ). The totalizer cannot operate fast er than one pulse every 100 m i llisecond (.1 second). ...
-
Sierra 241-VT - page 49
Series 24-HP Instruction Manual Chapter 3 Operation IM-24-HP 3- 9 Totalizer #2 Menu Use the Total iz er #2 to Monit or Flow or Energy . Note t hat Totalizer #2 does not operat e a relay, it is for monitoring only. ...
-
Sierra 241-VT - page 50
Chapter 3 Operation Series 24-HP Instruction Manual 3-10 IM-24-HP Energy Menu – For EMS E ner gy Meters Only Password ENTER Use keys to acces s menus Energy Menu Loc in Sent Flow Yes or No ENTER Run Mode Heating System Yes or No % Returned xxx Configuration: There are sev e ral possibiliti es regarding the measurement of water or steam energy g i ...
-
Sierra 241-VT - page 51
Series 24-HP Instruction Manual Chapter 3 Operation IM-24-HP 3- 11 Fluid Me nu Password ENTER Use ke y s to a cc ess men us Fluid Menu Flowing Fluid Liquids > Goyal-Dorais > API 2540 > Nat Gas AGA8 > Real Gas > Other Gas > ENTER Run Mode < Liquid Water Ammonia Chlorine < Mole Weight > xxxx STD Press (PSIA) xxxx NORM Temp ...
-
Sierra 241-VT - page 52
Chapter 3 Operation Series 24-HP Instruction Manual 3-12 IM-24-HP Units Menu Use the Units Menu to c onfig ure the flow meter with the desired units of measurement. (These are global setti ng s a nd determ ine what appears on al l screens. ...
-
Sierra 241-VT - page 53
Series 24-HP Instruction Manual Chapter 3 Operation IM-24-HP 3- 13 Time & Date Menu Passw ord ENTER Use keys to a c cess menus Time & Date Menu Set Time xx:x x:xx ENTER Run Mod e Set Date xx/x x/xx Use the Time and Date Menu to ent er the correct time and date into t he flow m et er’s mem ory. The par am ete rs are used in the Run Mode an ...
-
Sierra 241-VT - page 54
Chapter 3 Operation Series 24-HP Instruction Manual 3-14 IM-24-HP Diagnostics Menu Password ENTER Use keys to access menus Diagnositcs Menu Sim Vor Freq xxx ENTER Run Mode Sim Temp 1,2 xxx Sim Pressure xxx Highest Veloc ity xxx Highest Temp 1,2 xxx Highest Pressure xxx System LOG xx Files (ENT ER) Clear Sys LOG? YES or NO SysLog File # xx System Lo ...
-
Sierra 241-VT - page 55
Series 24-HP Instruction Manual Chapter 3 Operation IM-24-HP 3- 15 Calibration Menu The Calibra tion Menu contains the cali bration coefficient s for the flow meter. These values should by changed only by pr operly trained personnel. The Vortex Coef Ck and Low F low Cutoff are set at the factory. Consult the fact ory for help with the se settings i ...
-
Sierra 241-VT - page 56
Chapter 3 Operation Series 24-HP Instruction Manual 3-16 IM-24-HP Password Menu Pass word ENTER Use keys to access me nus Pass word Menu Set Passw ord 1234 ENTER Run Mode Use the Password Menu to set or change the system pas sword. The factory-set password is 1234. ...
-
Sierra 241-VT - page 57
Series 24-HP Instruction Manual Chapter 4 Troubleshooting & Repair IM-24-HP 4-1 Chapter 4 T roubles hooting and Repair Hidden Diagn ostics Menus The menus shown to the left ca n be accessed using the password 16363, t hen mov i ng t o the display that reads “Diagnostics Menu” and pres sing ENTER (rather t han one of the arrow keys). Use the ...
-
Sierra 241-VT - page 58
Chapter 4 Troubleshooting & Repair Series 24-HP Instruction Manual 4-2 IM-24-HP Column One Hidden Diagnostics Values • f = vortex shedding fre quency (Hz). • fi = adaptive filter – should be approximately 25% higher than the vortex shedding freque ncy , this is a low-pass filter. If the meter is using the Filter Control (se e below) in th ...
-
Sierra 241-VT - page 59
Series 24-HP Instruction Manual Chapter 4 Troubleshooting & Repair IM-24-HP 4-3 • Lvl = threshold level. I f the Low Flow Cutoff in the c alibra- tion menu is set above this value, the meter will rea d zero flow. The L vl leve l can be chec ked at no flow. At no flow, the L vl must be below the L ow Flow Cutoff setting or the meter will have ...
-
Sierra 241-VT - page 60
Chapter 4 Troubleshooting & Repair Series 24-HP Instruction Manual 4-4 IM-24-HP • Alarm (2) Test = Used as a te st to verify that the alarm circuit is functioning. When low is selected the ala rm will initiate a low alarm on the output. When High is selecte d it will give a high alarm on the output. • Alarm (3) Test = Used as a te st to ver ...
-
Sierra 241-VT - page 61
Series 24-HP Instruction Manual Chapter 4 Troubleshooting & Repair IM-24-HP 4-5 • Pressure Cal Current = Calibration value for the electronics and pressure tra nsducer combination. Consult Factory for value. • RTD1. Press the RI GHT ARROW to access: o Ro = RTD resistance a t 0°C (1000 ohms). o A = RTD coeffic ient A (.0039083). o B = RTD c ...
-
Sierra 241-VT - page 62
Chapter 4 Troubleshooting & Repair Series 24-HP Instruction Manual 4-6 IM-24-HP Troubleshooting the Flow Meter Symptom : Output at no Flow 1. The low flow cutoff is set too low. At no flow, g o t o the first column of the hidden diagnostics menu a nd record the L vl value. The low flow cutoff must be set above this value. 2. Example: at no flow ...
-
Sierra 241-VT - page 63
Series 24-HP Instruction Manual Chapter 4 Troubleshooting & Repair IM-24-HP 4-7 4. The vortex coefficient Ck may be incorrectly set. The Ck is a value in the equation used to determine if a f requency represents a valid vortex signal given the f luid density and signal amplitude. I n practice, the Ck value c ontrols the adaptive filter, fi, set ...
-
Sierra 241-VT - page 64
Chapter 4 Troubleshooting & Repair Series 24-HP Instruction Manual 4-8 IM-24-HP Symptom : Meter D isplays Temperature F au lt 1. For remote mounted ele ctronics, caref ully check all the wiring connections in the remote mount junction box. There are 18 connections that must be correc t, verify each color (black a nd red), shield, and wire numbe ...
-
Sierra 241-VT - page 65
Series 24-HP Instruction Manual Chapter 4 Troubleshooting & Repair IM-24-HP 4-9 nector on the tempera ture / pressure boar d. The current should be approximately .0004 amps. 3. Go to the first column of the hidden diag nostics and record the Pe(V) and Pv(V) value s and consult the factory with findings. Electronics Assem bly Replacement ( All M ...
-
Sierra 241-VT - page 66
Chapter 4 Troubleshooting & Repair Series 24-HP Instruction Manual 4-10 IM-24-HP Pressure Sensor Replaceme nt 1. For local mounted elec tronics, remove the elec tronics stack as previously described. For remote mount electr onics, remove all wires and sensor conne ctors from the remote fe edthrough board in the junction box at the meter. 2. L o ...
-
Sierra 241-VT - page 67
Series 24-HP Instruction Manual Appendix A Specifications IM-24-HP A-1 Appendix A Product Specific ations Accuracy Process Variables 240 Series In-Line Meters 241 Series Insertion Meters (1) Liquids Gas & Steam Liquids Gas & Steam Mass Flow Rate ± 1% of rate over a 30:1 range (3) ± 1.5% of rate (2) over a 30:1 range (3) ± 1.5% of rate ov ...
-
Sierra 241-VT - page 68
Appendix A Specifications Series 24-HP Instruction Manual A-2 IM-24-HP Nominal Pipe Siz e (in) Pressure 0.5 0.75 1 1.5 2 3 4 6 8 1.8 3 5 13 22 50 87 198 347 18 41 90 221 369 826 1437 3258 5708 5 9 15 38 63 141 245 555 972 138 325 704 1730 2890 6466 11254 25515 44698 7 13 21 52 86 193 335 761 1332 258 609 1322 3248 5427 12140 21131 47911 83931 8 15 ...
-
Sierra 241-VT - page 69
Series 24-HP Instruction Manual Appendix A Specifications IM-24-HP A-3 Nominal Pipe Siz e (in) Pressure 0.5 0.75 1 1.5 2 3 4 6 8 6.5 12 20 49 82 183 318 722 1264 52 122 265 650 1087 2431 4231 9594 16806 15 27 46 112 187 419 728 1652 2893 271 639 1386 3405 5690 12729 22156 50233 87998 20 37 62 151 253 565 983 2229 3905 493 1163 2525 6203 10365 23184 ...
-
Sierra 241-VT - page 70
Appendix A Specifications Series 24-HP Instruction Manual A-4 IM-24-HP 241 Pressure Ratings Probe Seal Process Connection Material Rating Ordering Code Compression Fitting 2-inch MNPT 316L SS ANSI 600 lb CNPT 2-inch 150 lb flange, DN50 PN16 316L SS ANSI 150 lb, PN16 C150, C16 2-inch 300 lb flange, DN50 PN40 316L SS ANSI 300 lb, PN40 C300, C40 2-inc ...
-
Sierra 241-VT - page 71
Series 24-HP Instruction Manual Appendix A Specifications IM-24-HP A-5 Pocess Fluid and Process Fluid: Ambient Tem per ature Standard temperature sensor: –40° F to 500° F (–40° C to 26 0° C). High temperature sensor: to 750° F ( t o 40 0° C). Ambient: Operating: –5° F to 140° F (–20° C to 60° C). Storage: –40° F to 150° F (– ...
-
Sierra 241-VT - page 72
...
-
Sierra 241-VT - page 73
Series 24-HP Instruction Manual Appendix B Glossary IM-24-HP B-1 Appendix B Glos sary A B C D A Cross sectional area. ACFM Ac tua l Cubic Feet Per Minute (volumetric f l ow rate). ASME Am erican Society of Mechanical Engineers. Bluff Body A non-stream l ined body placed into a flow stream to create vortices. Also called a She dder Bar. BTU British ...
-
Sierra 241-VT - page 74
Appendix B Glossary Series 24-HP Instruction Manual B-2 IM-24-HP I J K L In-Line Flow Meter A flow meter which includes a short section of piping which is put i n-line wi th the user’s piping. Insertion Flow Mete r A flow meter which is inserted into a hol e in the user’s pipeline. Joule A unit of energy equal to one watt for one second. Also e ...
-
Sierra 241-VT - page 75
Series 24-HP Instruction Manual Appendix B Glossary IM-24-HP B-3 Q R S T Q Flow rate, usuall y volum etric. Rangeabili ty Highest m easurable flow rate divi ded by the lowest measur abl e flow rate. Rey nolds Num ber A dimensionless num ber equal to the density of a f l uid or Re times the velocity of the fluid times the diam eter of the fluid chan ...
-
Sierra 241-VT - page 76
Appendix B Glossary Series 24-HP Instruction Manual B-4 IM-24-HP ...
-
Sierra 241-VT - page 77
Series 24-HP Instruction Manual Appendix C Fluid Calculations IM-24-HP C-1 Appendix C Fl uid Calcula tions Calculations for Steam T & P When “Steam T & P” is selected i n the “Real Gas” selection of t he Fluid Menu, the calcul ations are based on the equati ons below. Density The densit y of s team i s calculated from the formula gi ...
-
Sierra 241-VT - page 78
Appendix C Fluid Calculations Series 24-HP Instruction Manual C-2 IM-24-HP Calculations for Gas (“Rea l Gas” and “Othe r Gas”) Use this formula to deter m ine t he settings for “Real Gas; Gas” select ions and “Other Gas” select ions entered in the Fluid M enu. The calculations for gas were taken from Richard W. Miller , F low Measur ...
-
Sierra 241-VT - page 79
Series 24-HP Instruction Manual Appendix C Fluid Calculations IM-24-HP C-3 Calculations for Liquid Use this formula to deter m ine t he settings for “Goyal- Dorais” select ions and “Other Liquid” sel ections entered in the Fl uid Menu. The liquid cal- culations were t ak en from Richard W. Miller, Fl ow Measurement Engi- neering Handbook (S ...
-
Sierra 241-VT - page 80
Appendix C Fluid Calculations Series 24-HP Instruction Manual C-4 IM-24-HP ...
-
Sierra 241-VT - page 81
Series24-HP Instruction Manual Appendix D HART Commands IM-24X D-1 Appendix D HART Comma nds with DD Menu On line Men u 1 Dev ice Se tup 2 P rocess V ariables 3 P V is 4 P V 5 A O1 Out 6 P V % rnge 7 A lrm St atus 8 Di agnostics 9 Cal ibration Review 1 Di splay Un it 2 A nalog Outpu t 3 M eter Disp lay 4 A larm S etup 5 To talizer 6 Fl uid Menu 7 D ...
-
Sierra 241-VT - page 82
Appendix D HART Commands S eries24-HP Instruction Manual D-2 IM-24-HP Appendix D HART Comma nds without DD Men u Online Menu 1 Device Setup 2 PV 3 PV AO 4 PV LRV 5 URV 1 Process Variables 2 Diag/Service 3 Basic Setup 4 Detailed Setu p 5 Review 1 Snsr 2 AI % Rnge 3 AO1 1 Distributor 2 Model 3 Dev id 4 Tag 5 Date 6 Write Protect 7 Descriptor 8 Messag ...
-
Sierra 241-VT - page 83
Appendix E MODBUS Commands Series 24-HP Instruction Manual IM-24-HP E-1 Appendix E M odbus Commun ication A pplicable Flow Meter Models Sierra Innova-Mass® Mass Flow Meters, Model s 240 and 241 wi th Modbus comm unication p ro- tocol and firmware version 3.00.02 and abov e. Overview This docum ent describes the preliminary im plementation of the M ...
-
Sierra 241-VT - page 84
Appendix E MODBUS Commands Series 24-HP Instruction Manual E-2 IM-24-HP Mo dbus Units The Mod bus Units menu is t o control what units, where app l icable, the me ter’s v ariables will be displayed in. In ternal – these a r e the base un its of the m eter, ° F , psia, lbm/sec , ft 3 /se c, Btu/sec , lbm/f t 3 Display – variables are displaye ...
-
Sierra 241-VT - page 85
Series 24-HP Instruction Manual Appendix E MO D BUS Commands IM-24-HP E-3 there is an informal register num bering conve ntion derived from the origi nal (now obsolete) Modicon Modbus protocol specification, and used by m any vendors of Modbus capable products. Each range o f register numbers m aps to a unique ran g e of ad- dresses tha t are deter ...
-
Sierra 241-VT - page 86
Appendix E MODBUS Commands Series 24-HP Instruction Manual E-4 IM-24-HP gramming Outpu t Menu’s “Modbus Units” item . The display units strings may be examine d by accessing their associated registers. Each of these units string registers cont ain 2 characters of the string, and the strings may be 2 to 12 ch aracters in length with unused cha ...
-
Sierra 241-VT - page 87
Series 24-HP Instruction Manual Appendix E MO D BUS Commands IM-24-HP E-5 The f ollowing registers contain t he display units strings: Registers Variable Data ty pe Units Function code Addresses 32007-32012 Volum e flow units string — 03, 04 2006-2011 32001-32006 Mas s flow units s tring — 03, 04 2000-2005 32025-32030 T emperature units s trin ...
-
Sierra 241-VT - page 88
Appendix E MODBUS Commands Series 24-HP Instruction Manual E-6 IM-24-HP Discrete Input Definitions The status of th e three alarms m ay be m onito red via the Modb us Read Discrete Input comm and (function code 02). The value returned indi cates the state of the alarm, and will be 1 o nly if the alarm is enabl ed and active. A zero val ue is trans ...
-
Sierra 241-VT - page 89
Series 24-HP Instruction Manual Appendix E MO D BUS Commands IM-24-HP E-7 Command M essage Format The start address i s equal to the desired first register number m inus one. The addresses derived from the start address and the number of registers m ust all be mapped to valid defined registers, or an inva lid data address exception wi ll occur . No ...
-
Sierra 241-VT - page 90
Appendix E MODBUS Commands Series 24-HP Instruction Manual E-8 IM-24-HP A ty pical response f rom the device is as follows: *no te these are the older register definitions 01 04 18 00 00 03 E8 0 0 00 7A 02 6C 62 00 00 41 BA 87 F2 3E BF FC 6 F 42 12 EC 8B 4D D1 01 Device a ddress 04 Function code 18 Number o f data byte s = 24 00 00 03 E8 Serial num ...
-
Sierra 241-VT - page 91
Series 24-HP Instruction Manual Appendix E MO D BUS Commands IM-24-HP E-9 01 Device a ddress 05 Function code 5 = w rite single coil 00 09 Coil address = 9 FF 00 Data to reset to talizer 8C 3A CRC ( not the cor rect CRC EJ S-02-06-07 ) The unit responds with an ide ntical message to that transm itted, a nd the totaliz er is reset. If the “coil” ...
-
Sierra 241-VT - page 92
Appendix E MODBUS Commands Series 24-HP Instruction Manual E-10 IM-24-HP ...
Do you have a question concerning Sierra 241-VT?
Use the form below
If you did not solve your problem by using a manual Sierra 241-VT, ask a question using the form below. If a user had a similar problem with Sierra 241-VT it is likely that he will want to share the way to solve it.