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ST51A/ST75A/ST75AV Mass Flow Meters

OPERATION

Fluid Components International LLC

Table 6 – Typical Serial Interface Top Level Commands for Flow Meter Configuration

Command

Name

Description

Normal Operation Mode Normal operating mode: All outputs are active.

Flow Unit Set-up

Set English/Metric flow units; set up pipe dimensions for volumetric units.

Output Configuration Set 4-20 mA and pulse output configuration.

Totalizer Menu

Enables W menu (option)

Totalizer

Enable/Disable

K-Factor (default=1) Flow factor

Warm Reset

Reinitialize Instrument

Z Menu: Configure Flow Units and 4-20 mA Output Scaling

Use the Z menu to change flow units. Note, however, that changing units requires rescaling of the unit (set new zero and span). The 4-20 mA Zero

and Span can be changed from the original calibration, provided the new values are within the original calibrated range; i.e., if the original

calibration was 1 to 100 SCFM (4-20 mA), the new zero (4 mA) must be equal to or greater than 1 SCFM and the new span (20 mA) must be

equal to or less than 100 SCFM. The flowchart in

Figure 25

below gives an overview of the instrument’s Z menu programming.

Note:

The Z menu is passcode protected when the totalizer function is enabled. Contact the factory for details.

Figure 25 – Z Menu Command Structure: Units and Scaling Setup

Содержание ST51A

Страница 1: ...Doc No 06EN003426 Rev C...

Страница 2: ...ternational LLC FCI Disclosure of this data to you is expressly conditioned upon your assent that its use is limited to use within your company only and does not include manufacture or processing uses...

Страница 3: ...lignment 5 Recommended Straight Run 7 Installing ST51A Flow Element 7 Compression Fitting Mounting 7 Retractable Packing Gland Mounting 9 Retraction Removal Procedure 10 Installing ST75A ST75AV Flow E...

Страница 4: ...32 Source Sink Output Configuration 32 Source Sink Output Functions 32 Source Sink Output Programming Parameters 32 Serial Interface Command Reference 33 Top Level Menu Commands 33 CLI Commands 34 HA...

Страница 5: ...ues 62 Changing Setting K Factor Values 62 Modbus Engineering Units Codes Table 64 Modbus Device Status Code Table 64 4 MAINTENANCE 65 Calibration 65 Electrical Connections 65 Remote Enclosure 65 Elec...

Страница 6: ...91 APPENDIX C APPROVAL INFORMATION 93 EU Information 93 Specific Conditions of Use per FM16ATEX0008X 94 IEC Information 95 APPENDIX D CUSTOMER SERVICE 101 Customer Service Technical Support 101 Warran...

Страница 7: ...e 13 Remote Cable Bracket Installation Remote Enclosure 16 Figure 14 Remote Enclosure Interface Board Connector J4 Detail AC Version Shown 16 Figure 15 ST51A ST75A ST75AV Wiring Access 17 Figure 16 Re...

Страница 8: ...iables 36 Table 11 ST51A ST75A ST75AV HART Device Registration Information 37 Table 12 HART Universal Commands 40 Table 13 HART Common Practice Commands 47 Table 14 HART Device Specific Commands 49 Ta...

Страница 9: ...perature differential T between the RTDs decreases The T between the RTDs is proportional to the process mass flow The flow transmitter converts the RTD s T signal into a scaled flow output signal The...

Страница 10: ...w and temperature process output ST75A In line element with flow and temperature process output ST75AV Vortab In line element with flow and temperature process output Optional Accessories Table 1 Opti...

Страница 11: ...65 C FM FMc Class I Div 1 Groups B C D Class I Div 2 Groups A B C D Class II III Div 1 Groups E F G Type 4X IP66 Directive 2014 30 EU Electromagnetic Compatibility EMC Directive 2014 35 EU Low Voltage...

Страница 12: ...at 50 duty cycle 1 500 Hz pulse output for total flow Source 22 2 VDC 25 mA Sink External user power source and load not to exceed 40 VDC and 150 mA Communication Port RS 232C standard Modbus standard...

Страница 13: ...the enclosure includes serial number and model number A serial number is written on the transmitter s PWB silkscreen both AC and DC input as shown in Figure 2 The flow sensor and transmitter circuit a...

Страница 14: ...Number Location on Interface Board AC Version Shown with Blind Cover Removed Figure 3 ST51A Flow Arrow Alignment C01158 1 2 90 C01159 1 1 SERIAL NUMBER BLOCK FLOW DIRECTION MARK POINTS TO FLOW DIRECT...

Страница 15: ...e version can only be tightened down once and becomes permanently positioned The ferrule type is indicated in the instrument part number displayed on the instrument tag This can be cross referenced wi...

Страница 16: ...ion depth mark making sure the orientation flat is aligned parallel to the flow direction Hand tighten the compression nut Compression fitting manufacturer recommends 1 1 4 turns past hand tight 5 Tig...

Страница 17: ...h the process line pressurized 4 Apply the proper thread sealant compatible with the process media to the male threads of the packing gland Fully retract the insertion probe into the cavity of the pac...

Страница 18: ...nt Make sure that there are no objects directly behind the flow element as the insertion probe may retract very quickly Figure 7 Retractable Packing Gland Locking Collar Detail 2 Slowly loosen the pac...

Страница 19: ...rotating the configuration until firmly secure on the pipe section Complete by installing opposing end pipe section using care to firmly secure the element assembly either in a top mount or side moun...

Страница 20: ...connecting remote cable Both enclosures are explosion proof ATEX IECEx rated A typical remote flow meter system is shown in Figure 9 below Figure 9 Typical Remote Flow Meter System ST51A with NPT Cabl...

Страница 21: ...s specified in the order information sheet OIS The customer is to supply the appropriate NPT or metric cable fittings for the remote cable The cable end terminated in a 2x4 female socket plug connects...

Страница 22: ...below to install the local enclosure cable Refer to Figure 11 and Figure 12 when following the steps Figure 12 Local Enclosure Remote Cable Wiring 1 Remove local enclosure blind lid covering interconn...

Страница 23: ...in cable 1 5 38 mm from connector tip 4 Apply Loctite 567 to customer supplied liquid tight fitting threads or cable gland adapter threads as applicable Then install customer supplied liquid tight fit...

Страница 24: ...Enclosure Figure 14 Remote Enclosure Interface Board Connector J4 Detail AC Version Shown C01319 1 2 REMOTE CABLE CONNECTOR END WIRES CIRCUIT BOARD NOTCH FOR SENSOR WIRE ROUTING 2X 6 32 x PAN HEAD PH...

Страница 25: ...led with its thread size NPT or M20 via the instrument tag and a label engraved for stainless steel case near each port Either or both ports can be used for wiring Use an appropriate plug on the unuse...

Страница 26: ...n the diagram in Figure 17 page 19 and the summary list in Table 3 page 21 Reinstall the blind lid when done making the connections Tighten the lid one full turn past the point where the O ring makes...

Страница 27: ...interface and power supply boards Similarly AC units include AC interface and power supply boards Interface boards are specifically marked for AC or DC power Only connect the power specified on the wi...

Страница 28: ...With power OFF remove two securing 6 32 x Phillips pan head screws and star washers from the DC powered interface board Pull board straight up from mating sockets to access the fuse at the back To che...

Страница 29: ...C DC Positive typical wire color red or white 2 DC DC Negative typical wire color black 3 EARTH GND Earth Ground typical wire color bare green or green yellow Caution To maintain isolation between pow...

Страница 30: ...cturer s instructions CABLING RECOMMENDATION Use a shielded twisted pair instrument grade wire min 24 AWG for runs less than 5000 ft 1500 m min 20 AWG for longer distances The RC value of the wire Tot...

Страница 31: ...ower source Source Output 22 2 VDC output 25 mA maximum supplied by the flow meter See Source Sink Output Configuration page 32 for details on configuring the output as a pulse or level output Figure...

Страница 32: ...etwork using a 2 wire RS 485 connection scheme as shown in Figure 22 below For details on Modbus operation refer to Modbus Operation page 56 Note If using a shielded Modbus cable connect cable shield...

Страница 33: ...unications kit as required The block diagram in Figure 24 shows the connections available using the serial cable adapter Refer to Instrument Configuration and Setup Using the Service Port RS 232 on pa...

Страница 34: ...ial Port J9 RJ12 Cable Adapter 025859 01 FC88 Calibrator Flow Meter Serial Port J9 RJ12 to DB 25 F Adapter 013831 01 PC DB 25 Serial Port Flow Meter Serial Port J9 RJ12 to DB 9 F Adapter 013830 01 PC...

Страница 35: ...king the FC88 connection To make a serial console connection to the flow meter use your preferred terminal program e g Tera Term Pro or equivalent to configure the PC s serial port using the parameter...

Страница 36: ...actory pass code If this occurs contact FCI Field Service Do not change any parameters that require this code without understanding the instrument s operation Secondary Commands CLI The instrument can...

Страница 37: ...nt Z Menu Configure Flow Units and 4 20 mA Output Scaling Use the Z menu to change flow units Note however that changing units requires rescaling of the unit set new zero and span The 4 20 mA Zero and...

Страница 38: ...d area is displayed Change displayed CMinflow parameter N Maximum flow 462 04 Enter to continue After responding N to CMinflow parameter change the max flow is displayed Press ENTER to continue ENTER...

Страница 39: ...tate Select 1 4 20mA 1 Flow 4 20mA 2 Temp Select 2 4 20mA 1 Flow 4 20mA 2 Flow Select 3 4 20mA 1 Temp 4 20mA 2 Flow Select 4 4 20mA 1 Temp 4 20mA 2 Temp Select NAMUR Mode 4 20 mA Menu Start V Command...

Страница 40: ...Sink Output Configuration ST51A ST75A ST75AV instruments provide a source output and a sink output Source The instrument supplies the DC voltage and current for the level output pulse 22 V 25 mA max...

Страница 41: ...for details if your application requires use of these commands Table 8 Top Level Menu Commands Command Mnemonic Command Function Command Description A R AvgDelta_R AvgRef B R Delta R Ref R Active R C...

Страница 42: ...22 R W Coefficient_Array2 2 Float 23 R W Coefficient_Array2 3 Float 24 R W Coefficient_Array2 4 Float 25 R W Coefficient_Array2 5 Float A 1 7 R W Temp Comp ACT_Tslope set Float AA R ADC ActR Integer A...

Страница 43: ...4 20 mA 2 Integer SF R SFPS Flow Float SN R W Serial Number String 16 chars max SO R W Shop Order Number String 16 chars max T0 R W Tcslp0 Float T2 R W Tcslp2 Float T3 R W TSpanDAC0 for 4 20 mA 1 Inte...

Страница 44: ...r For example the Flow Totalizer may be turned ON or OFF The process variables include 3 flow classes or types of which only one class of flow is active at a time Table 10 ST51A ST75A ST75AV HART Proc...

Страница 45: ...rson 375 and 475 Communicator DD files Loading the DD Files to the 475 Field Communicator Use the Easy Upgrade Utility from EMERSON to load the DDPs into the Field Communicator Below is the procedure...

Страница 46: ...e process variables review and change the Plenum or pipe size enable or disable the Totalizer review and change device information reset the operation of the ST51A ST75A ST75AV to the factory settings...

Страница 47: ...e configuration and calibration parameters that were loaded into the instrument during the original calibration and setup Any changes made to the configuration of calibration parameters will be lost w...

Страница 48: ...m Expanded Device Type 3 Unsigned 8 Minimum number of preambles from master to slave 4 Unsigned 8 HART Protocol Revision Number 7 5 Unsigned 8 Device Revision Number 6 Unsigned 8 Software Revision Num...

Страница 49: ...se Data Bytes 0 Unsigned 8 Polling Address of Device 1 Enum Loop Current Mode Response Codes See Table 16 page 53 for response code list Command 7 Read Loop Configuration Byte Format Description Reque...

Страница 50: ...ode 20 23 Float Slot 2 Device Variable Value 24 Bits Slot 2 Device Variable Status 25 Unsigned 8 Slot 3 Device Variable Code 26 Enum Slot 3 Device Variable Classification 27 Enum Slot 3 Units Code 28...

Страница 51: ...tatus 17 18 Enum Manufacturer ID Code 166DEC 00A6HEX FCI 19 20 Enum Private Label Distributor Code 21 Enum Device Profile 1 HART Process Automation Device Response Codes See Table 16 page 53 for respo...

Страница 52: ...ription Request Data Bytes 0 23 Packed Message String Used by Master Response Data Bytes1 0 23 Packed Message String Response Codes See Table 16 page 53 for response code list Note 1 The value returne...

Страница 53: ...ed 8 Minimum Number Of Preambles From Slave to Master 13 Unsigned 8 Maximum Number of Device Variables 14 15 Unsigned 16 Configuration Change Counter 16 Bits Extended Field Device Status 17 18 Enum Ma...

Страница 54: ...red to 0 12 Bits Standardized Status 3 not used bit cleared to 0 13 Bits Analog Channel Fixed 14 24 Bits Device Specific Status2 not used bit cleared to 0 Response Data Bytes 0 5 Bits Device Specific...

Страница 55: ...a particular output value Specify 0 to exit the fixed current mode Command 42 Perform Device Reset Soft Reset of Flow Meter 1 Byte Format Description Request Data Bytes None Response Data Bytes None R...

Страница 56: ...Assignments Byte Format Description Request Data Bytes 0 Unsigned 8 Device Variable assigned to the primary variable 1 Unsigned 8 Device Variable assigned to the secondary variable 2 Unsigned 8 Devic...

Страница 57: ...e 53 for response code list Command 139 Write Totalizer State Byte Format Description Request Data Bytes 0 Unsigned 8 Totalizer State 0 OFF 1 ON Response Data Bytes 0 Unsigned 8 Totalizer State 0 OFF...

Страница 58: ...des See Table 16 page 53 for response code list Command 151 Read Calibration Flow Limits Byte Format Description Request Data Bytes None Response Data Bytes 0 3 Float Flow Lower Limit Value 4 7 Float...

Страница 59: ...Table 16 page 53 for response code list Note 1 Send Command 159 with a 0 byte to reload the instrument s factory default programming Command 160 Read Secondary Output Current Mode Byte Format Descript...

Страница 60: ...Data Bytes1 0 3 Float Actual Measured Current Ch 2 Level mA units Response Codes See Table 16 page 53 for response code list Note 1 The value returned in the response data bytes reflects the rounded o...

Страница 61: ...d The loop current has reached its upper or lower endpoint limit and cannot increase or decease any further 3 Loop Current Fixed The loop current is being held at a fixed value and is not responding t...

Страница 62: ...error A status bit is set 1 when an error or condition is detected Table 17 Command 48 Additional Device Status Bytes Bit Assignments Byte Bit Error Status Description Byte 0 0 Flow Min Flow 1 Flow M...

Страница 63: ...ees Fahrenheit Volumetric Flow 123 Standard Cubic Feet per Minute SCFM 185 Standard Cubic Feet per Hour SCFH 182 Normal Cubic Meters per Minute NCMM 121 Normal Cubic Meters per Hour NCMH 175 Liter per...

Страница 64: ...s main menu Mode 1 RS 232 2 Modbus 3 HART 4 Config 5 Update Firmware 2 Enter 4 to select the instrument s configuration menu Configure Configure 1 ST51A 75A 2 Modbus 3 HART 3 Enter 2 to select Modbus...

Страница 65: ...t Register for all Service Start Stop Totalizer and Adjust K Factor Parameters Refer to Table 20 page 58 and Table 22 page 64 for Modbus register information and engineering unit codes respectively ST...

Страница 66: ...ue 4105 Special2 Read Totalizer LS Value 4106 Special2 Read K Factor 1_MS 4107 Special2 Read Write K Factor 1_LS 4108 Special2 Read Write K Factor 2_MS 4109 Special2 Read Write K Factor 2_LS 4110 Spec...

Страница 67: ...Write Totalizer MS 4105 Float Read Totalizer LS 4106 Float Read Examples of Totalizer Service Register Access using ModScan32 The ST51A Modbus supports enable and reset registers Using any Modbus mast...

Страница 68: ...Connection Details dialog at right Set the serial parameters and protocol click Protocol Selections as required for your application 3 After entering the appropriate connection details the ModScan32 m...

Страница 69: ...og displays as shown in figure at right Enter the definedhexvalue 0xABCD in the window s value field and then click Update Starting Stopping the Totalizer Count Referring to Checking the Totalizer Val...

Страница 70: ...shown at right after clicking OK in the Data Definition dialog with Length 8 Changing Setting K Factor Values In the below example the desired value of K Factor 1 is 2 4 floating point This floating...

Страница 71: ...4107 0x4019 and that the lower 8 bits are programmed into register 4108 0x999A See figure at right Repeat steps 2 and 3 to change other K Factor registers as required To finalize any K Factor registe...

Страница 72: ...ters per Second SMPS Totalizer 168 Standard Cubic Feet 166 Normal Cubic Meters 41 Liters 63 Pounds per Hour LB H 61 Kilograms per Hour KG H 40 Gallons Modbus Device Status Code Table Register 4025 is...

Страница 73: ...electronics in the local enclosure are adequate and that no moisture is entering the enclosure Electrical Wiring Inspect the system s interconnecting cable power wiring and flow element wiring on a c...

Страница 74: ...MAINTENANCE ST51A ST75A ST75AV Mass Flow Meters 66 Fluid Components International LLC This Page Intentionally Left Blank...

Страница 75: ...gn Requirements 1 Review the application design with plant operation personnel and plant engineers 2 Ensure that plant equipment conforms to the actual conditions 3 Verify operating temperature operat...

Страница 76: ...Flow Totalizer ACT_Tslope 2 Namur Mode Cmax flow Rollover Cnt ACT_Tslope 3 dR Namur Min Eng Units Pulse Factor ACT_Tslope 4 dR Namur Max Line Size 0 Pulse Out ACT_Tslope 5 Boxcar Max Line Size 1 Hour...

Страница 77: ...nce Verify that both readings are within 1100 20 The resistance is temperature dependent The resistance at 70 F is approximately 1082 Refer to Figure 28 below Figure 28 Reference and Active Sensor Res...

Страница 78: ...ion resistor across instrument s Ch 1 4 20 mA output INT_HART INT_HART J8 4 J8 1 5 Connect normalization cable plug to interface board J4 Connect other end of normalization cable with 2 pair of dual b...

Страница 79: ...1 INTERFACE BOARD TOP AC VERSION SHOWN SIDE VIEW GREEN DISCONNECTED BANANA PLUG JUMPER TYP 4 IN LENGTH 18 AWG OR BETTER LOWER NUMBER PLUG KEY LATCH To J4 KEY J4 SENSOR CONNECTOR PIN 1 NOTCH FOR PLUG...

Страница 80: ...TROUBLESHOOTING ST51A ST75A ST75AV Mass Flow Meters 72 Fluid Components International LLC This Page Intentionally Left Blank...

Страница 81: ...tions Local And Remote Stainless Steel Type 4X Enclosures 405006A Outline Installation 79 Flow Transmitter ST51A Local Hazardous Location Stainless Steel Type 4X Enclosure 020943B Configuration 80 ST7...

Страница 82: ...APPENDIX A DRAWINGS ST51A ST75A ST75AV Mass Flow Meters 74 Fluid Components International LLC Figure 30 Basic Instrument Assembly ST51A ST75A and ST75AV...

Страница 83: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX A DRAWINGS Fluid Components International LLC 75...

Страница 84: ...APPENDIX A DRAWINGS ST51A ST75A ST75AV Mass Flow Meters 76 Fluid Components International LLC...

Страница 85: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX A DRAWINGS Fluid Components International LLC 77...

Страница 86: ...APPENDIX A DRAWINGS ST51A ST75A ST75AV Mass Flow Meters 78 Fluid Components International LLC...

Страница 87: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX A DRAWINGS Fluid Components International LLC 79...

Страница 88: ...APPENDIX A DRAWINGS ST51A ST75A ST75AV Mass Flow Meters 80 Fluid Components International LLC...

Страница 89: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX A DRAWINGS Fluid Components International LLC 81...

Страница 90: ...APPENDIX A DRAWINGS ST51A ST75A ST75AV Mass Flow Meters 82 Fluid Components International LLC...

Страница 91: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX A DRAWINGS Fluid Components International LLC 83...

Страница 92: ...APPENDIX A DRAWINGS ST51A ST75A ST75AV Mass Flow Meters 84 Fluid Components International LLC...

Страница 93: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX A DRAWINGS Fluid Components International LLC 85...

Страница 94: ...APPENDIX A DRAWINGS ST51A ST75A ST75AV Mass Flow Meters 86 Fluid Components International LLC...

Страница 95: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX A DRAWINGS Fluid Components International LLC 87...

Страница 96: ...APPENDIX A DRAWINGS ST51A ST75A ST75AV Mass Flow Meters 88 Fluid Components International LLC...

Страница 97: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX A DRAWINGS Fluid Components International LLC 89...

Страница 98: ...APPENDIX A DRAWINGS ST51A ST75A ST75AV Mass Flow Meters 90 Fluid Components International LLC This Page Intentionally Left Blank...

Страница 99: ...the level switch that contains the sensing points and process connection Heater HTR The part of the sensing element that heats the active RTD Local enclosure The enclosure attached to the level elemen...

Страница 100: ...APPENDIX B GLOSSARY ST51A ST75A ST75AV Mass Flow Meters 92 Fluid Components International LLC This Page Intentionally Left Blank...

Страница 101: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX C APPROVAL INFORMATION Fluid Components International LLC 93 APPENDIX C APPROVAL INFORMATION EU Information...

Страница 102: ...T4 T135 C for a process temperature range of 40 C to 89 C T3 T200 C for a process temperature range of 40 C to 154 C T2 T300 C for a process temperature range of 40 C to 177 C T1 for a process tempera...

Страница 103: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX C APPROVAL INFORMATION Fluid Components International LLC 95 IEC Information...

Страница 104: ...erne og elektronikken er monteret i et hus som er beskyttet af en eksplosionssikker kapsling med f lgende noter Gevindspalten mellem huset og l get er p en s dan m de at ild ikke kan brede sig inden i...

Страница 105: ...n The cover of the d housing must be screwed in completely and locked by tightening one of the cover locking screws GR Fluid Components ST51A 75A 75AV FM16ATEX0008X IECEX FMG 16 0009X II 2 GD 1 2 ST51...

Страница 106: ...5A 75AV devono essere collegati a terra 3 I morsetti per il collegamento e l elettronica sono incorporati in una custodia a prova di esplosione d con le seguenti note La sicurezza si ottiene grazie ai...

Страница 107: ...os Ex tiene que ser realizada por personal especializado 2 Los ST51A 75A 75AV tienen que ser conectados a tierra 3 Los bornes de conexi n y la unidad electr nica est n montados dentro de una caja con...

Страница 108: ...APPENDIX C APPROVAL INFORMATION ST51A ST75A ST75AV Mass Flow Meters 100 Fluid Components International LLC This Page Intentionally Left Blank...

Страница 109: ...support outside the contiguous United States Alaska or Hawaii contact your country s FCI International Representative or the one nearest to you After Hours Support For product information visit FCI a...

Страница 110: ...ervice call the technician completes a formal detailed service report The formal report is mailed to the customer after the technician s return to the factory or office Field Service Rates All field s...

Страница 111: ...ST51A ST75A ST75AV Mass Flow Meters APPENDIX D CUSTOMER SERVICE Fluid Components International LLC 103...

Страница 112: ...APPENDIX D CUSTOMER SERVICE ST51A ST75A ST75AV Mass Flow Meters 104 Fluid Components International LLC...

Страница 113: ...r which they are intended or used Should the Buyer receive defective goods as defined by this paragraph the Buyer shall notify the Seller immediately stating full particulars in support of his claim a...

Страница 114: ...try Base Haidian District Beijing 100085 P R China Phone 86 10 82782381 Fax 86 10 58851152 Notice of Proprietary Rights This document contains confidential technical data including trade secrets and p...

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