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Fluid Components Intl ST51A, Installation, Operation & Maintenance Instruction Manual

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INSTALLATION 

ST51A/ST75A/ST75AV Mass Flow Meters 

20 

Fluid Components International LLC 

P

OWER 

F

USE 

R

EPLACEMENT

 

Input power overload protection is provided by a 1.5 A slo-blo surface mount fuse installed in a fuse holder on the interface board. (To 

access this board see 

Accessing the Interface Board Connection Terminals

, page 

18

.) Refer to 

Figure 18

 below. 

●

  AC-powered instruments: Locate the fuse at the center of the interface board on top.  

●

  DC-powered instruments: Locate the fuse at the center of the interface board on the back (solder side). With power OFF remove two 

securing 6-

32 x ½″ 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 check for a blown fuse: 
1.  Turn instrument power OFF. 
2.  Access the interface board (see text above).  
3.  Using an ohmmeter touch metal cap at each end of fuse with the test leads. Any reading other than a short (i.e., open circuit) 

indicates a blown fuse. Replace with Littelfuse 454 Series fuse, part no. 045401.5.  

 

Figure 18 – Input Power Fuse Locations 

 

 

C01164-1-2

Ω

 

TEST 

FUSE 1.5A SLO-BLO 

LITTELFUSE 454 SERIES 

045401.5 

AC-POWER 

INTERFACE BOARD 

COMPONENT SIDE 

DC-POWER 

INTERFACE BOARD 

SOLDER SIDE 

(Remove Interface Board to 

access fuse. See manual text. 

Ω

 

TEST 

Summary of Contents for ST51A

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Page 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...

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

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

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

Page 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...

Page 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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