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Bronkhorst®

Instruction Manual MI Series Industrial mini CORI-FLOW™

9.17.120A

3.6.2

Digital RS232 operation

Digital operation via RS232 or fieldbus (RS485) adds extra features to the instrument, such as:

Direct reading with a readout/control module or host computer

Diagnostics

Multi-fluid functionality (up to 8 fluids, if ordered; see

Fluid set

)

Device identification

Secondary measurement outputs: density and temperature readout

Adjustable minimum and maximum alarm limits (

Alarms

)

(Batch) counter (

Counter

)

The instrument can always be operated via RS232 through the micro USB service connection in the wiring terminal box,

even if it is configured for RS485 operation. Connecting the device with a micro USB to USB2.0 adapter cable to a Windows

computer enables RS232 operation with the free Bronkhorst® FlowWare software suite for Windows. See also section

Service port

3.6.2.1

FlowDDE

Digital Bronkhorst® instruments can be operated via RS232 using the Bronkhorst® FlowDDE server application. Dynamic

Data Exchange (DDE) provides a basic level of inter process communication between Windows applications. Together with a

client application, either self-made or with a third party SCADA program, it is possible to create an easy way of data

exchange between the flow meter/controller and a Windows application. For instance, a cell in a Microsoft Excel

spreadsheet can be linked to the measured value of an instrument; FlowDDE updates the cell automatically when the

measured value changes.

FlowDDE uses specific parameter numbers for communicating with the instrument. A DDE parameter number is a unique

number in a special FlowDDE instruments/parameter database and not the same as the parameter number from the process

on an instrument. FlowDDE translates the node-address and process number to a channel number.

DDE-client applications communicate with the FlowDDE server by using DDE messages. Before messages can be exchanged,

a DDE link has to be made. A DDE link consists of three parts: the server, the topic and an item. For separation the characters

'|' and '!' may be used, so a DDE link in e.g. Microsoft Excel becomes: Server|Topic!Item.

For standard instrument parameters and the FlowDDE server, these are:

Server: FlowDDE or FlowDDE2

Topic: ‘C(X)’ for channel number X

Item: ‘P(Y)’ for parameter number Y

An example of a DDE link in a Microsoft Excel cell is =FlowDDE|’C(1)’!’P(8)’ to read parameter 8 of channel 1.

When not using FlowDDE for communication with the

instrument, parameters are addressed by:

Node address of the instrument

Process number on the instrument

Parameter number on the instrument

See section

Digital parameters

for more information about

instrument parameters.

For more information about FlowDDE, including setting up a DDE link, consult the

FlowDDE Manual

(document no.

9.17.067) or the help file in the application.

Содержание Mini CORI-FLOW MI Series

Страница 1: ...0 2019 ATTENTION Pleaseread this documentcarefully beforeinstalling and operating theproduct Notfollowing theguidelines could resultin personalinjury and ordamageto theequipment MI Series Industrial mini CORI FLOW Instruction Manual ...

Страница 2: ...personal injuries Helpful information Thisinformationwill facilitatetheuseoftheinstrument and or contributetoitsoptimal performance Additional informationavailableontheinternet or from your Bronkhorst representative Receipt of equipment Check the outside packaging box for damage incurred during shipment If the box is damaged then the local carrier must be notified at once regarding his liability i...

Страница 3: ...personnel who recognize shock hazards and are familiar with the safety precautions required to avoid possible injury Read the operating information carefully before using the product Before operating make sure the line cord is connected to a properly grounded power receptacle Inspect the connecting cables for cracks or breaks before each use The equipment and accessories must be used in accordance...

Страница 4: ...Bronkhorst Instruction Manual MI Series Industrial mini CORI FLOW 9 17 120A 4 ...

Страница 5: ...1 1 13 FLOW BUS Modbus 2 4 1 2 13 PROFIBUS DP 2 4 1 3 14 EtherCAT PROFINET 2 4 1 4 14 2 5 Optional fieldbus interface 16 Operation 3 16 3 1 Powering up and powering down 16 3 2 First use 16 3 3 Valve Safe State 16 3 4 Mass flow measurement and control 16 3 5 Temperature considerations 17 3 6 Communication 17 Analog operation 3 6 1 18 Digital RS232 operation 3 6 2 18 FlowDDE 3 6 2 1 19 Software DDE...

Страница 6: ...configuration 36 4 5 Fluid set 37 Advanced fluid set parameters 4 5 1 38 4 6 Controller 39 4 7 Master slave configuration FLOW BUS 40 4 8 Device identification 41 4 9 Special parameters 42 Default control mode 4 9 1 44 Technical information 5 44 5 1 Model key 44 5 2 Customized I O options 47 Troubleshooting and service 6 47 6 1 Errors and warnings 47 6 2 Replacing fuses 47 6 3 Restoring factory se...

Страница 7: ...Responsibilityfor theuseoftheequipment withregardtosuitability intendeduse cleaningandcorrosionresistanceofthe appliedmaterialsagainst theprocessedmedialiessolelywiththeenduser Whereappropriate thisdocument recommendsor prescribessafetymeasurestobetakenwithrespect tomediausageor workingwiththedescribedequipment under thespecifiedconditions Theenduser isresponsiblefor takingthenecessary safetypreca...

Страница 8: ...ration certificate for all supported full scale ranges The actual full scale of the instrument is set to a value as ordered and can be found on the serial number label CustomI O options The Main connection and the Actuator connection see Product overview each can provide additional input output functionality selectable from a wide range of options see Customized I O options In addition to the vari...

Страница 9: ... can be downloaded from the Bronkhorst website Calibration certificates test certificates and material certificates are part of the scope of delivery or can be provided on request Thedocumentationlistedinthefollowingtableisavailableonthemini CORI FLOW product pagesunder www bronkhorst com products Type Document name Document no Manuals Instruction Manual MI Series Industrial mini CORI FLOW this do...

Страница 10: ...ngor cooling cancausegasbubblesinliquidor condensationofgas extremepressurefluctuations cancausecavitationinliquidor condensationofgas Operation in high humidityconditions Inarelativelymoist environment water condensatemayprecipitateonthemeasuringtubeifthemediatemperatureis much lower thantheambient temperature Condensedwater increasesthetube smass causingadensitymeasurement error Toprevent this c...

Страница 11: ...ionsfrom oneinstrument might interferewiththeresonancefrequencyofanother e g throughpipingor amountingframe Isolateinstrumentsmechanicallybymountingthem onindividual rigid stiffbases Preferably mount multiple instrumentsparallel toeachother anduseflexiblepiping 2 3 4 Fluid connections Flow direction Install the mini CORI FLOW in the process line in accordance with the direction of the FLOW arrow o...

Страница 12: ...iametersmust besufficient tocarrythesupply current andvoltagelossmust bekept aslowaspossible Whenindoubt contact your Bronkhorst representative Whenconnectingtheproduct toother devices besurethat theintegrityoftheshieldingisnot affected always use shielded cabling forsignals and communication and do not use unshielded wire terminals Neverpower theinstrument simultaneouslyfrom two different powerso...

Страница 13: ...pliedclampstoconnect theshieldingtothemetal baseplateofthe wiringterminal box 2 4 1 1 Analog RS232 Connection terminals D Display M Main A Actuator V Valve Fuses 1 main 2 actuator 2 4 1 2 FLOW BUS Modbus Connection terminals B Fieldbus C Fieldbus D Display M Main A Actuator V Valve Fuses 1 main 2 fieldbus 3 actuator 2 4 1 3 PROFIBUS DP Connection terminals B Fieldbus C Fieldbus D Display M Main A ...

Страница 14: ...ength 600 m Consult Instruction manual FLOW BUS interface document no 9 17 024 for moreinformationabout settingupa FLOW BUS network SeealsosectionBusterminationswitchesfor informationabout thebuilt inbusterminationresistor Modbus Modbus is a 3 wire RS485 based fieldbus communication system for parameter value exchange In this system each instrument device is equipped with a micro controller for it...

Страница 15: ...and is used for data exchange between I O controllers PLC etc and I O devices slaves field devices PROFINET uses the proven communication model and application view of PROFIBUS DP Consult Instruction manual PROFINETinterface document no 9 17 095 for moreinformationabout settingupa PROFINET network HART HART is a bi directional communication protocol owned by the FieldComm Group for sending and rec...

Страница 16: ...lsonecessarybeforethefluidsystem isexposedtoair Theveryfirst timetheinstrument isused adjustingthezeropoint isrecommended SeeAdjustingzeropoint for backgroundinformationandinstructions 3 3 Valve Safe State When a controlling instrument is not powered the control valve automatically returns to its default state also called Safe State which is closed for a normally closed valve n c and fully open fo...

Страница 17: ...he supported communication modes of the mini CORI FLOW Connection Type Communication standard Fieldbus protocol Main terminal Analog 0 5Vdc 0 10Vdc 0 20mA 4 20mA n a Digital RS232 ProPar RS485 FLOW BUS Modbus RTU ASCII HART HART Fieldbus terminal Digital RS485 FLOW BUS Modbus RTU ASCII PROFIBUS DP Ethernet PROFINET EtherCAT Thecommunicationstandards analoganddigital andfieldbusinterface ifapplicab...

Страница 18: ...ell in a Microsoft Excel spreadsheet can be linked to the measured value of an instrument FlowDDE updates the cell automatically when the measured value changes FlowDDE uses specific parameter numbers for communicating with the instrument A DDE parameter number is a unique number in a special FlowDDE instruments parameter database and not the same as the parameter number from the process on an ins...

Страница 19: ...toolkit provides functionality for monitoring and operating digital instruments FlowPlot FlowView and selection of the active fluid and configuration of the fieldbus connection if applicable For instruments that support the definition and use of multiple fluids FlowTune can be used to define and store fluids in the instrument and select the active fluid Digital instrument parameters are made acces...

Страница 20: ...bedownloadedfrom theproduct pagesontheBronkhorst website www bronkhorst com products EtherCAT Instruments in an EtherCAT system can be monitored and operated using third party software as a master device such as SyCon by Hilscher GmbH To configure a device a so called ESI file EtherCAT Slave Information can be loaded into the software The ESI file contains all necessary configuration information t...

Страница 21: ...e port micro USB RS232 communication 3 7 1 LED indications The LED indications from the wiring terminal box are redirected to the exterior of the instrument On the side of the fluid inlet directly under the fieldbus connections the instrument is equipped with 3 LED indicators Indication Color Position Description Status bi color green red Left interface status Mode green Middle operational mode Er...

Страница 22: ...setting of one of the devices is incorrect PROFIBUSDP Not used Modbus Not used EtherCAT Not used PROFINET Not used long flash 2 sec on 0 1 sec off FLOW BUS Not used PROFIBUSDP Requested parameter not available Modbus Not used EtherCAT Configuration error PROFINET Configuration error e g a requested parameter is not available Modeand Error alternating Pattern Time Indication slow wink 1 sec on 1 se...

Страница 23: ...analog as well as in digital operation mode 3 7 2 1 Normal operating functions In order to access these functions press and hold the switch while the instrument is in normal operation mode green LED glowing As long as the switch is held the LEDs show a repeating sequence of patterns where each pattern indicates a function All indications in this sequence are continuous Each pattern is shown for a ...

Страница 24: ...h intervals of up to 1 second in normal operation mode the instrument shows its current control mode with a series of consecutive LED indication patterns The number of flashes corresponds to the current value of parameter Control Mode see Special parameters Step Pattern Indication 1 Green number of flashes indicates the tens of the parameter value 2 Red number of flashes indicates the units of the...

Страница 25: ...tally SeeDefault control mode for informationabout settingthedefault control mode 3 7 2 4 Network settings readout change Reading network settings By briefly pressing the switch 3 times with intervals of up to 1 second in normal operation mode the instrument shows its current node address and baud rate with a series of consecutive LED indication patterns Step Pattern Indication 1 Green number of f...

Страница 26: ...f LED flashes Release the switch when the required value is reached In case you lose count keep the switch pressed and wait until the flash count reaches its maximum and restarts On completion of a step the instrument automatically advances to the next step When all required steps have been completed the instrument returns to its normal operation mode If the switch is not pressed within 60 seconds...

Страница 27: ...strument needs to be adapted to the new conditions by re adjusting the zero point The zero point of a Bronkhorst flow meter controller is factory adjusted at approximately 20 C and atmospheric pressure with the instrument positioned upright If the ambient conditions or mounting orientation are significantly different zeroing a new instrument is recommended before using it for the first time The fo...

Страница 28: ...s to its initial value If the procedure is successful parameter CalibrationMode changes to 0 idle If the procedure fails CalibrationMode changes to 255 After performingtheprocedure remember toset parameter Init Reset tovalue0 tolocksecuredparameters Alternatively whenHART functionalityisenabled theprocedurecaneasilybeperformedwithasingleHART command 3 8 2 Manual procedure The internal autozero fun...

Страница 29: ...ter is secured and only accepts values if parameter Init Reset is set to unlocked first Range Some parameters only accept values within a certain range x Minimum value of the range y Maximum value of the range FlowDDE Parameter number within FlowDDE FLOW BUS Within the FLOW BUS protocol ProPar when using RS232 parameters are identified by a unique combination of a process number and a parameter nu...

Страница 30: ...ture Type Access Range FlowDDE FLOW BUS Modbus Float R 250 500 142 33 7 0xA138 0xA139 41273 41274 This parameter returns an indication of the actual media temperature in C Pressure Type Access Range FlowDDE FLOW BUS Modbus Float RW 0 3 4E 38 143 33 8 0xA140 0xA141 41281 41282 This parameter returns an indication of the actual inlet pressure in bar a By default the value of this parameter is equal ...

Страница 31: ...The supported range corresponds to 0 3000 seconds Default value 0 Example If Setpoint Slope 100 it will take 10 seconds to adjust the setpoint if it is changed from 0 to 100 A setpoint change of 20 will take 20 100 10 seconds 2 seconds Analog Input Type Access Range FlowDDE FLOW BUS Modbus Unsigned int R 0 65535 11 1 3 0x0023 36 This parameter contains a digital translation of the analog input sig...

Страница 32: ...p e g after power down For DeviceNet instruments only modes 0 and 1 are available AlarmInfo Type Access Range FlowDDE FLOW BUS Modbus Unsigned char R 0 255 28 1 20 0x0034 53 This parameter provides information about the event type s that triggered an alarm situation The value is a bit wise summation of the issued alarm types convert the value to binary to see which types are issued The following a...

Страница 33: ...e the setpoint after an alarm situation is activated Value Description 0 No setpoint change default 1 Change setpoint to Alarm newsetpoint AlarmNew Setpoint Type Access Range FlowDDE FLOW BUS Modbus Unsigned int RW 0 32000 121 97 6 0x0C26 3111 New safe setpoint during an alarm until reset Range 0 32000 represents 0 100 setpoint Default value 0 ResetAlarmEnable Type Access Range FlowDDE FLOW BUS Mo...

Страница 34: ... Counter Value Type Access Range FlowDDE FLOW BUS Modbus Float RW 0 10000000 122 104 1 0xE808 0xE809 59401 59402 Current counter value in units selected with parameter Counter Unit Counter Limit Type Access Range FlowDDE FLOW BUS Modbus Float RW 0 9999999 124 104 3 0xE818 0xE819 59417 59418 Counter limit batch size in units selected with parameter Counter Unit Default value 0 Counter SetpointMode ...

Страница 35: ...al specifications The table below shows the supported configurations for the available interface protocols default settings are printed in boldface Protocol ProPar RS232 FLOW BUS RS485 Modbus RTU ASCII PROFIBUS DP HART Bus Address 3 3 125 1 247 0 126 0 Baud Rate 9600 19200 38400 57600 115200 230400 460800 187500 400000 9600 19200 38400 56000 57600 115200 128000 256000 autodetect 9600 19200 45450 9...

Страница 36: ...wDDE FLOW BUS Modbus Unsigned char RW 0 7 24 1 16 0x0030 49 With this parameter any of the pre configured fluids up to 8 can be selected Each fluid has its specific configurable properties such as FluidName Capacity etc Default value 0 fluid 1 Fluid Name Type Access Range FlowDDE FLOW BUS Modbus Unsigned char 10 RW 25 1 17 0x8188 0x818C 33161 33165 This parameter contains the name of the current f...

Страница 37: ...pe Access Range FlowDDE FLOW BUS Modbus Float RW 273 15 3 4E 38 245 33 10 0xA150 0xA151 41297 41298 This parameter defines a reference temperature for conversion of the measured mass flow to a volume flow See also parameters CapacityUnit and Counter Unit CapacityUnitTypePressure Type Access Range FlowDDE FLOW BUS Modbus Float RW 0 3 4E 38 246 33 11 0xA158 0xA159 41305 41306 This parameter defines ...

Страница 38: ...vent overshoot when the new setpoint is reached The proportional action is enhanced by one of three additional response factors depending on the control cycle stage Open from zero the setpoint is larger than zero and the measured value is below 2 of the full scale range Normal step the measured value differs more than 2 from the setpoint typically after changing the setpoint step Stable situation ...

Страница 39: ...BUS Modbus Unsigned char RW 0 255 141 114 17 0x0E51 3666 Stable situation response applied when the controller is stable within a 2 band around the setpoint Default value 128 no correction Other values adjust the controller gain correction signal as follows Controller gain Controller Speed PID Kp 1 05 response factor 128 4 7 Master slave configuration FLOW BUS Normally there is no communication be...

Страница 40: ... if Control Mode is set to Analog slave and the analog output signal of the master instrument is redirected to the input of the slave instrument Example master output 80 SlaveFactor 50 slave instrument setpoint 80 x 50 100 40 4 8 Device identification User Tag Type Access Range FlowDDE FLOW BUS Modbus Unsigned char 16 RW 115 113 6 0xF130 0xF137 61745 61752 With this parameter the instrument can be...

Страница 41: ...Access Range FlowDDE FLOW BUS Modbus Unsigned char RW 82 64 7 0 10 0x000A 11 Init Reset is used to unlock secured parameters marked with a symbol for writing It supports the following values Value Description 64 unlocked secured parameters can be read and written to 82 locked secured parameters are read only At power up Init Reset is always set to Locked value 82 Reset Type Access Range FlowDDE FL...

Страница 42: ...only 10 Analog Slave Acting as slave of other instrument in analog mode AnalogInput x Slave Factor 00 12 Setpoint 0 Controlling setpoint fixed to 0 13 FLOW BUS Analog Slave Acting as slave of other instrument on FLOW BUS slave factor is set by analog input signal RS485 only FLOW BUS master output x AnalogInput 18 RS232 Controlling safe state deactivated Fieldbus RS232 20 Valve Steering Controller ...

Страница 43: ...parameter Init Reset to 82 locked Changing from analog operation to digital operation 1 Set parameter Init Reset to 64 unlocked 2 Read parameter IO Status 3 Subtract 64 from the read value 4 Write the new value to parameter IO Status 5 Set parameter Init Reset to 82 locked Theproceduresdescribedabovedonot changethevalueofparameter Control Mode directly Toapplythenewdefault control modeimmediately ...

Страница 44: ...The possible configurations are described in the table below Consult the hook up diagram for custom bus and I O configurations for an explanation of the codes Code Description 000 Disabled M8 A2 is pulled down to 0Vdc default selection A1V 0 10Vdc sourcing output controller Analog signal for pump or external valve steering control signal only When the controller output is used for pump or external...

Страница 45: ...activated de activated by writing parameter IO switchstatus Note If the instrument is forced into Valve Safe State the digital output is also affected so a n c shut off valve connected to M8 A2 will be closed when the n c controller is in Valve Safe State Make sure to use 24Vdc power supply corresponding to the shut off valve specifications D9E Digital frequency output measure Measurement value is...

Страница 46: ...l MI Series Industrial mini CORI FLOW 9 17 120A 46 Code Description I1R Digital input reset counter The counter resets when M8 A2 is connected to 0Vdc I2R Digital input reset alarm The alarm resets when M8 A2 is connected to 0Vdc ...

Страница 47: ...h off the equipment and disconnect it from the electrical power source 2 Before replacing a fuse determine the cause of the blow and solve it if necessary 3 Always replace fuses with the same type current speed dimensions 4 Contact your Bronkhorst representative if replacement fuses keep blowing 6 3 Restoring factory settings In case changes to the instrument configuration leads to non recoverable...

Страница 48: ...ial pressure too low Increase inlet pressure Piping filters and or control valve clogged or blocked Clean system flush with clean dry air or a non aggressive cleaning liquid e g ethanol or isopropyl alcohol For external proportional control valves supply 0 15 Vdc and operational inlet pressure to valve and slowly increase voltage If valve does not open clean parts and re adjust valve Sensor failur...

Страница 49: ... or differential pressure too low Increase inlet pressure Use instrument in conditions it was designed for Process gas condensation Decrease inlet pressure or increase gas temperature Piping or filters blocked or contaminated Clean system Sensor blocked or contaminated Clean sensor Valve blocked or contaminated Clean valve Supplied fluid type does not match configured fluid type Supply equipment w...

Страница 50: ...he right product for your application Contact sales by e mail sales bronkhorst com For after sales questions our Customer Service Department is available with help and guidance To contact CSD by e mail support bronkhorst com No matter the time zone our experts within the Support Group are available to answer your request immediately or ensure appropriate further action Our experts can be reached a...

Страница 51: ... in an appropriate shipping container if possible use the original packaging box Add documentation Reason of return Failure symptoms Contaminated condition Declaration on decontamination It is absolutely required to notify the factory if toxicordangerous fluids have been in contact with the device Thisistoenablethefactorytotakesufficient precautionarymeasurestosafeguardthestaffintheir repair depar...

Страница 52: ...Bronkhorst Instruction Manual MI Series Industrial mini CORI FLOW 9 17 120A 52 ...

Страница 53: ...n BHT Model Number 40 Customer Model 40 Device type 41 Firmware version 41 Identification number 41 Serial Number 40 User Tag 40 Parameters Fluid set Capacity 36 Capacity Unit 36 Capacity Unit Type Pressure 37 Capacity Unit Type Temperature 37 Fluid Name 36 Fluid Set Index 36 Parameters Fluid set advanced Density 38 Fluid Temperature 37 Inlet Pressure 37 Outlet Pressure 37 Parameters Master Slave ...

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