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SUPERtrol II Flow Computer

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RS-485 & Modbus RTU Protocol

When the Flow Computer is equipped with the RS-485 communication option, the protocol it uses is the

Modbus RTU protocol. This protocol defines a message structure that hosts and clients will recognize and

use on the RS-485 network over which they communicate. It describes the process a master device (PC

compatible) uses to request access to another device (Flow Computer), how it will respond to requests

from the other devices, and how errors will be detected and reported. It establishes a common format for

the layout and contents of message fields.

During communications on a Modbus RTU network, the protocol determines how each Flow Computer will

know its device address, recognize a message addressed to it, determine the kind of action to be taken,

and extract any data or other information contained in the message. If a reply is required, the Flow Com-

puter will construct the reply message and send it using Modbus RTU protocol.

RTU Mode

The Flow Computer with RS-485 communications option supports the Modbus RTU (Remote Terminal

Unit) mode only. The Modbus ASCII mode is not supported. The main advantage of the RTU mode is that

its greater character density allows better data throughput than ASCII for the same baud rate. The Modbus

RTU uses a Master-Slave Query-Response Cycle in which the Flow Computer is the slave device.

Control Functions

The Flow Computer with RS-485 communications option supports the following function codes:

CODE NAME

DESCRIPTION

Read Coil Status

Read a single coil

Read Holding Register Read a range of holding registers

Force Single Coil

Forces a single coil (0x reference) to either ON or OFF

Preset Single Register Presets a value into a single holding register (4x reference)

Force Multiple Coil

Forces each coil (0x reference) in a sequence of coils to either ON

or OFF

Preset Multiple Registers Presets values into a sequence of holding registers (4x reference)

Appendix C- RS-485 Modbus Protocol

Содержание SUPERtrol II

Страница 1: ...99589 04 20 16 SUPERtrol II Flow Computer Third Edition KESSLER ELLIS PRODUCTS 10 Industrial Way East Eatontown NJ 07724 800 631 2165 732 935 1320 Fax 732 935 9344 http www kep com ...

Страница 2: ......

Страница 3: ... 2 Input 26 4 3 Wiring In Hazardous Areas 29 4 3 1 Flow Input 27 4 3 2 Pressure Input 27 4 3 3 Temperature Input 27 5 UNIT OPERATION 5 1 Front Panel Operation Concept for Operate Mode 28 5 2 General Operation 29 5 3 Password Protection 29 5 4 Relay Operation 29 5 5 Pulse Output 29 5 6 Analog Outputs 29 5 7 Function Keys Display Grouping 29 5 8 RS 232 Serial Port Operation 30 5 8 1 PC Communication...

Страница 4: ...tion Port with Printers 102 8 4 SUPERtrol II RS 232 Port Pinout 102 9 RS 485 SERIAL PORT 9 1 RS 485 Serial Port Description 103 9 2 General 103 9 3 Operation of Serial Communication Port with PC 103 9 4 SUPERtrol II RS 485 Port Pinout 103 10 FLOW COMPUTER SETUP SOFTWARE 10 1 System Requirements 104 10 2 Cable and Wiring Requirements 104 10 3 Installation for Windows 3 1 or 3 11 104 10 4 Using the ...

Страница 5: ...ded purpose or is used incorrectly Please note operating instructions provided in this manual The instrument must be installed operated and maintained by personnel who have been properly trained Personnel must read and understand this manual prior to installation and operation of the instrument The manufacturer assumes no liability for damage caused by incorrect use of the instrument or for modifi...

Страница 6: ...re where the user is guided through a minimum number of steps to rapidly configure the instrument for the intended use The EZ setup prepares a series of questions based on flow equation fluid and flowmeter type desired in the application 1 1 Unit Description The SUPERtrol II SUPERtrol II Flow Computer satisfies the instrument requirements for a variety of flowmeter types in liquid gas steam and he...

Страница 7: ...DC 0 5 VDC 1 5 VDC Current 4 20 mA 0 20 mA Basic Measurement Resolution 16 bit Update Rate 2 updates sec minimum Accuracy 0 02 FS Automatic Fault detection Signal over under range Current Loop Broken Calibration Operator assisted learn mode Learns Zero and Full Scale of each range Fault Protection Fast Transient 1000 V Protection capacitive clamp Reverse Polarity No ill effects Over Voltage Limit ...

Страница 8: ...sure Peak demand and demand last hour optional Number of Outputs 2 Type Isolated Current Sourcing shared common Isolated I P C 500 V Available Ranges 0 20 mA 4 20 mA menu selectable Resolution 16 bit Accuracy 0 05 FS at 20 Degrees C Update Rate 5 updates sec Temperature Drift Less than 200 ppm C Maximum Load 1000 ohms Compliance Effect Less than 05 Span 60 Hz rejection 40 dB minimum EMI No effect ...

Страница 9: ...the lists minimizing the number of questions asked of the user In the setup menu the flow computer activates the correct setup variables based on the instrument configuration the flow equation and the hardware selections made for the compensation transmitter type the flow transmitter type and meter enhancements linearization options selected All required setup parameters are enabled All setup para...

Страница 10: ...MM format in the PRINT INTERVAL menu The user can also select the store time of day in a 24 hr HH MM format in the PRINT TIME menu The user can also define whether he just wants the data stored into the datalogger or if he wants the data both stored in the datalogger and sent out over the RS232 port in the DATALOG ONLY menu The user can define the format he wishes the data to be output in using th...

Страница 11: ...00 the PARITY set to NONE and the HANSHAKING set to NONE to complete the basic setup The remote PC s communication settings are chosen to match these The level of complexity of the SUPERtrol II to Modem connection can range from simple to more complex In a simple system a remote PC will call into the telephone number of the modem The modem will answer the call and establish a connection between th...

Страница 12: ...n place d Tighten the screws firmly to attach the bezel to the panel 3 in lb of torque must be applied and the bezel must be parallel to the panel NOTE To seal to NEMA4X IP65 specifications supplied bezel kit must be used and panel cannot flex more than 010 When the optional bezel kit is used the bezel adaptor must be sealed to the case using an RTV type sealer to maintain NEMA4X IP65 rating Gener...

Страница 13: ...t Knockouts 5 places 1 06 27 9 4 238 7 3 184 2 34 59 5 8 4 213 4 4 13 105 2 33 59 0 385 9 8 Security Tag Provisions 0 625 ø 0 75 ø 5 places 1 10 28 1 10 28 1 10 28 1 10 28 1 10 28 1 10 28 Wall Mount mounting option W 2 2 Mounting Diagrams continued NEMA4 Wall Mount mounting option N ...

Страница 14: ...SUPERtrol II Flow Computer 10 2 2 Mounting Diagrams continued Explosion Proof Mount mounting option E ...

Страница 15: ...sure Saturated Steam Flow temperature or pressure Output Results Display Results Mass or Volume Flow Rate Resettable Total Non Resettable Total Temperature Pressure Density optional peak demand demand last hour time date stamp Analog Output Mass or Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Mass or Volume Total Relay Outputs Mass or Volume Flow Rate Tot...

Страница 16: ...essure Output Results Display Results Heat Mass or Volume Flow Rate Resettable Total Non Resettable Total Temperature Pressure Density optional peak demand demand last hour time date stamp Analog Output Heat Mass or Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Heat Mass or Volume Total Relay Outputs Heat Mass or Volume Flow Rate Total Pressure Temperature...

Страница 17: ...sure Saturated Steam Flow temperature or pressure Output Results Display Results Heat Mass or Volume Flow Rate Resettable Total Non Resettable Total Temperature Pressure Density optional peak demand demand last hour time date stamp Analog Output Heat Mass or Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Heat Mass or Volume Total Relay Outputs Heat Mass or ...

Страница 18: ...ensate Output Results Display Results Heat Mass or Volume Flow Rate Resettable Total Non Resettable Total Temperature Pressure Density optional peak demand demand last hour time date stamp Analog Output Heat Mass or Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Heat Mass or Volume Total Relay Outputs Heat Mass or Volume Flow Rate Total Pressure Temperature...

Страница 19: ...og Output Corrected Volume or Actual Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Corrected Volume or Actual Volume Total Relay Outputs Corrected Volume or Actual Volume Flow Rate Total pressure Temperature Alarms Peak Demand Demand Last Hour Applications Monitoring corrected volume flow and total of any gas Flow alarms are provided via relays and datalog...

Страница 20: ...ume is calculated from the differential pressure taking into account temperature and pressure compensation Output Results Display Results Mass or Volume Flow Rate Resettable Total Non Resettable Total Temperature Pressure Density optional peak demand demand last hour time date stamp Analog Output Mass or Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Mass o...

Страница 21: ...rential pressure taking into account temperature and pressure compensation Output Results Display Results Heat Mass or Volume Flow Rate Resettable Total Non Resettable Total Temperature Pressure Density optional peak demand demand last hour time date stamp Analog Output Heat Mass or Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Heat Mass or Volume Total Re...

Страница 22: ...ur time date stamp Analog Output Corrected Volume and Actual Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Corrected Volume and Actual Volume Total Relay Outputs Corrected Volume and Actual Volume Flow Rate Total Pressure Temperature Alarms Peak Demand Demand Last Hour Applications Monitoring corrected volume flow and total of any liquid Flow alarms are pr...

Страница 23: ...ty optional peak demand demand last hour time date stamp Analog Output Mass or Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Mass or Volume Total Relay Outputs Mass or Volume Flow Rate Total Temperature Pressure Density Alarms Peak Demand Demand Last Hour Applications Monitoring mass flow and total of any liquid Flow alarms are provided via relays and data...

Страница 24: ...ional peak demand demand last hour time date stamp Analog Output Combustion Heat Mass or Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Combustion Heat Mass or Volume Total Relay Outputs Combustion Heat Mass or Volume Flow Rate Total Temperature Pressure Alarms Peak Demand Demand Last Hour Applications Calculate the energy released by combustion of liquid f...

Страница 25: ... peak demand demand last hour time date stamp Analog Output Sensible Heat Mass or Volume Flow Rate Temperature Pressure Density Peak Demand Demand Last Hour Pulse Output Sensible Heat Mass or Volume Total Relay Outputs Sensible Heat Mass or Volume Flow Rate Total Temperature Pressure Alarms Peak Demand Demand Last Hour Applications Calculate the energy stored in a condensate with respect to water ...

Страница 26: ...emand Last Hour Pulse Output Heat Mass or Volume Total Relay Outputs Heat Mass or Volume Flow Rate Total Temperature Alarms Peak Demand Demand Last Hour Applications Calculate the energy which is extracted by a heat exchanger from heat carrying liquids LIQUID DELTA HEAT Liquid Delta Heat Illustration Water Heat Volume Flow ρ T1 h T2 h T1 Other heat carrying liquids Heat C volume flow 1 α T1 Tref 2...

Страница 27: ...k demand demand last hour time date stamp Analog Output Net Heat Flow Mass and Volume Flow Rate Condensate Temperature Steam Pressure Condensate Density Peak Demand Demand Last Hour Pulse Output Net Heat Mass or Volume Total Relay Outputs Net Heat Mass or Volume Flow Rate Total Condensate Temperature Steam Pressure Alarms Peak Demand Demand Last Hour Applications Calculate the energy stored in ste...

Страница 28: ... COM NO 14 15 16 17 NO POWER IN DC DC PULSE IN DC OUTPUT COMMON RTD EXCIT RTD SENS RTD SENS 8 9 10 11 12 2 3 4 5 6 7 1 TEMPERATURE Iin Vin Iin IN IN FLOW RTD EXCIT RTD SENS RTD SENS DC OUTPUT PRESSURE TEMP 2 Iin IN ANALOG OUTPUT 1 13 PULSE OUTPUT PULSE OUTPUT ANALOG OUTPUT COMMON ANALOG OUTPUT 2 RLY1 AC LINE AC LINE 24 18 COM 19 20 21 22 23 14 15 16 17 N O POWER IN DC DC PULSE IN DC OUTPUT COMMON ...

Страница 29: ...owmeter with F V Converter 10 mV or 100 mV Signal i e Turbine Flowmeter with Magnetic Pickup 3 30 VDC Pulses i e Positive Displacement Flowmeter 0 5 VDC 4 20 mA 1 2 3 4 1 2 3 4 1 2 3 24 V Out 4 20 mA In V In Common Pulse In Common 24 V Out Pulse In Common 1 2 3 4 High Range DP Transmitter 4 20 mA Low Range DP Transmitter 4 20 mA 24 V Out 4 20 mA In DP Hi Range 4 20 mA In DP Lo Range 1 2 3 4 2 3 Pr...

Страница 30: ...SUPERtrol II Flow Computer 26 4 2 4 Temperature Input 4 2 5 Temperature 2 Input Or optional steam trap monitoring input in some saturated steam applications ...

Страница 31: ...n 24V Out Common RTD Excit RTD Sens RTD Sens 3 Wire RTD MTL4755ac Hazardous Area Safe Area 4 3 2 Pressure Input 4 3 Wiring In Hazardous Areas Hazardous Area Safe Area DP Transmitter 24V Out 4 20mA In Common 4 3 1 Flow Input Examples using MTL787S Barrier MTL4755ac for RTD 4 20mA Pressure Trans mitter Common 24V Out 4 20mA In ...

Страница 32: ...imply press the desired Alarm setpoint key once Rapidly press the alarm setpoint keys several times for direct editing of the alarm setpoints The operator will be prompted to enter password if the unit is locked Press CLEAR ENTER to enter value SCROLL Press the Scroll key to activate the scrolling display list See section 6 to setup the display list PRINT The PRINT key is used to print on demand w...

Страница 33: ...for low high alarms latch or unlatch or as relay pulse outputs ALARM SETPOINT 1 RLY1 and ALARM SETPOINT 2 RLY2 are easily accessible by pressing the ALARM 1 or ALARM 2 key on the front panel 5 5 Pulse Output The isolated pulse output is menu assignable to any of the available totals The pulse output duration and scaling can be set by the user The pulse output is ideal for connecting to remote tota...

Страница 34: ...for the current instrument configuration The audit trail information and a status report is also printed This report is initiated in the Service and Analysis Group see section 6 15 SERVICE ANALYSIS Print System Setup 5 8 3 Operation of RS 232 Serial Port with Modems In this mode of operation the RS232 port is assumed to be connected to a MPP2400N or similar telephone modem The SUPERtrol II is resp...

Страница 35: ...P DOWN ARROW KEYS Use the UP and DOWN arrow keys to navigate through the submenu groups The up and down arrow keys are also used to view the next previous selection in a selection list within a submenu cell When entering text characters the UP and DOWN arrow keys are used to scroll through the available character sets for each individual character location Press the ENTER key to accept the charact...

Страница 36: ... default value without prompting the user This may cause any previously programmed information to be lost or reset Selection YES NO Display EZ SETUP YES PAUSE COMPUTATIONS Note The Pause Computations warning message informs the user that all computations are halted while programming EZ Setup Select the desired units of measure Selection METRIC ENGLISH Display ENGLISH UNITS Select the flow equation...

Страница 37: ...ection 4 20 mA 0 20 mA 0 5 Vdc 1 5 Vdc 0 10 Vdc DIGITAL 10 mV LEVEL DIGITAL 100 mV LEVEL DIGITAL 2 5 V LEVEL 4 20mA STACKED 0 20mA STACKED 4 20mA LINEAR MANIFOLD 0 20mA LINEAR MANIFOLD Display DIGITAL 2 5 V LEVEL INPUT SIGNAL Enter the K Factor for the flowmeter Input Number with floating decimal point 0 0001 999999 Display 123 67 P ft3 K FACTOR Select the appropriate pressure input signal Selecti...

Страница 38: ... the display automatically returns to the HOME position The EZ Setup routine is completed and the flow computations are resumed EZ SETUP FULL SCALE VALUE PRESSURE DEFAULT VALUE PRESSURE 6 2 EZ SETUP Continued 6 3 DETAILED MENU DESCRIPTION DETAILED MENU DESCRIPTION The menu organization for the unit is depicted in Appendix B The first depiction is that available with the operator password The secon...

Страница 39: ... without informing the user This may cause any previously programmed information to be lost or reset Selection YES NO Display EZ SETUP NO PAUSE COMPUTATIONS Note The Pause Computations warning message informs the user that all computations are halted while programming EZ Setup This is the menu location where the operator can unlock the unit by entering the correct password operator or supervisor c...

Страница 40: ...D DELTA HEAT LIQUID SENSIBLE HEAT LIQ COMBUSTION HEAT LIQUID MASS LIQ CORRECTED VOLUME STM CONDENSATE HEAT Display STEAM MASS FLOW EQUATIONS Enter the date in this format Day Month Year Note After prolonged breaks in the power supply several days or upon initial start up of the unit the date and time must be reset This does not apply to units with the datalogger or language option Input Flashing s...

Страница 41: ...in this format Hours Minutes Note After prolonged breaks in the power supply several days or upon initial start up of the unit the date and time must be reset Input Flashing selections can be changed Store and Confirm entries with the ENTER key Display 13 24 ENTER TIME A personal code may be defined This code is used to enable program editing Note The private code is factory set to 1000 Entering a...

Страница 42: ...owing ad ditional functions Change the Service Code Change the Order Code Change the Serial No Clear Grand Total Clear Errors in Error Log View Perform calibra tion in Service Analysis Menu Restore Factory Calibra tion Information in Service Analysis Menu Set Next Calibration Date Print Maint Report Perform Service Test A personal enginerring code may be defined This code is used to enable program...

Страница 43: ...Confirm entries with the ENTER key Display SUPERtrol IIV10P ORDER CODE The serial number of the unit is assigned at the factory Note Maximum of 10 characters Input Alphanumeric characters for each of 10 positions 1 9 A Z Display SN 12345 SERIAL NUMBER ORDER CODE SERIAL NUMBER SYSTEM PARAMETERS 6 4 SYSTEM PARAMETERS Continued SERIAL NO SENS The serial number or tag number of the flowmeter can be en...

Страница 44: ... TIME DATE HEAT TOTAL HEAT GRAND TOTAL MASS TOTAL MASS GRAND TOTAL STD VOLUME TOTAL STD V GRAND TOTAL VOLUME TOTAL VOL GRAND TOTAL PEAK DEMAND DEMAND LAST HOUR PEAK DEMAND TIME PEAK DEMAND DATE Note Variable selection will vary depending on Flow Equation selected and options supplied Display ADD TO LIST L1 HEAT FLOW SCROLL LIST The display damping constant is used to stabilize fluctuating displays...

Страница 45: ...NT The language can be selected in which all text parameters and operating messages are to be displayed Note This function is supported by a special capability in the setup diskette Selection ENGLISH OTHER Display ENGLISH LANGUAGE Some customer software can not handle very large numbers such as 999 999 999 without going to scientific notation such as 9 9999999E8 This menu can be used to force the ...

Страница 46: ...f energy combustion heat Note The unit selected here also applies to the following Zero and full scale value for current Relay setpoints Selection kBtu time base kW MJ time base kCal time base MW tons GJ h Mcal h Gcal h Mbtu h Gbtu h Display kBtu h HEAT FLOW UNIT Select the unit of heat for the particular totalizer Note The unit selected here also applies to the following Pulse value for pulse out...

Страница 47: ...e kg time base g time base t time base tons US time base tons long time base Display lbs h MASS FLOW UNIT Select the unit of mass for the particular totalizer Note The unit selected here also applies to the following Pulse value for pulse output Relay setpoints Selection lbs kg g t tons US tons long hlbs Klbs Mlbs Display lbs MASS TOTAL UNIT SYSTEM UNITS 6 6 SYSTEM UNITS Continued MASS FLOW UNIT M...

Страница 48: ... m3 time base scf time base Nm3 time base NI time base igal time base mcf time base All units listed above apply to corrected volume Display scf h COR VOL FLOW UNIT Select the unit of volume for the particular totalizer Note The unit selected here also applies to the following Pulse value for pulse output Relay setpoints Corrected Volume volume measured under operating conditions converted to volu...

Страница 49: ...e base All units listed above apply to the actual volume measured under operating conditions Display ft3 h VOLUME FLOW UNIT Select the unit for uncorrected volume totalizer Note The unit selected here also applies to the following Pulse value for pulse output Relay setpoints Selection The available selections will change depending on the flow equation selected bbl gal l hl dm3 ft3 m3 acf igal All ...

Страница 50: ...S 31 5 gal bblfor liquids normal cases US 42 0 gal bblfor oil petrochemicals US 55 0 gal bblfor filling tanks imp 36 0 gal bbl for beer brewing imp 42 0 gal bbl for oil petrochemicals Display US 31 0 gal bbl DEFINITION bbl Select the unit for the fluid temperature Note The unit selected here also applies to the following Zero and full scale value for current Relay setpoints Reference conditions Sp...

Страница 51: ...ag kc2g Definitions bara bar kpaa kpa Absolute pressure kc2a kg cm2 a for absolute psia psi barg bar Gauge pressure compared to kpag kpa atmospheric pressure kc2g kg cm2 g for gauge psig psi Gauge pressure differs from absolute pressure by the atmospheric pressure which can be set in the submenu group OTHER INPUT Display psia PRESSURE UNIT Select the unit for the density of the fluid Note The unit...

Страница 52: ...ue spec enthalpy Note The unit selected here also applies to the following Specific thermal capacity kWh kg kWh kg C Selection btu kWh kg MJ kg kCal kg lbs 0 4536 kg Display Btu SPEC ENTHALPY UNIT Select the unit for measurements of length Selection in mm Display in LENGTH UNIT SPEC ENTHALPY UNIT LENGTH UNIT ...

Страница 53: ...ER key this sets all of the preset values Re select the submenu group FLUID TYPE now choose GENERIC and ENTER Now the preset values for the previously selected fluid can be altered 3 Generic Fluid Select the setting GENERIC for the Fluid type submenu The characteristics of any fluid can now be defined by the user Selection GENERIC WATER SATURATED STEAM SUPERHEATED STEAM DRY AIR HUMID AIR HUMID GAS...

Страница 54: ...he reference temperatures as follows T0 midrange temperature T1 choose a second point at or near the maximum process temperature 106 The value entered is internally multiplied by a factor of 10 6 display e 6 temp unit since the value to be entered is very small Display 104 300 e 6 oF THERM EXP COEF Enter the specific combustion heat for generic fuels Input Number with floating decimal point 0 000 ...

Страница 55: ...s at reference conditions Note The Z factor is used for all gas equations Define the standard conditions in the submenu STP REFERENCE OTHER INPUT submenu group Input Number with fixed decimal point 0 1000 10 0000 Display 1 000 REF Z FACTOR Enter the isentropic exponent of the fluid The isentropic exponent describes the behavior of the fluid when measuring the flow with a square law flowmeter The i...

Страница 56: ...by the NX 19 computation Note Select NATURAL GAS NX 19 in FLUID TYPE to activate this function Input Number with fixed decimal point 0 00 15 00 Display 0 00 MOLE CO2 Enter the Viscosity coefficient A for the anticipated fluid This information is needed by the viscosity computation for UVC and for Reynolds Number calculations Note Select SQUARE LAW 16PT or LINEAR UVC in FLOWMETER TYPE to activate t...

Страница 57: ...om the factory Alternately if your intended fluid is not listed the Viscosity Coef A and B can be derived from two known temperature viscosity pairs Begin by obtaining this information for you intended fluid Convert these known points to units of Degrees F and centipoise cP The information is now in a suitable form to compute the Viscosity Coef A and Viscosity Coef B using the following equation b...

Страница 58: ...ternal bypass diverter value It may be used with turbine PD Mag Vortex flowmeters equipped with analog outputs to extend the allowable turndown range GILFLO Gilflo flowmeters are special purpose differential pressure type flowmeters with an analog output where the differential pressure is linear with flow GILFLO 16PT Gilflo 16 PT flowmeters are special purpose differential pressure type flowmeters...

Страница 59: ...ct the size of the Accelabar flowmeter Selection 1 inch 2 inch 3 inch 4 inch 6 inch 8 inch 10 inch 12 inch Select the type of measuring signal produced by the flowmeter Selection DIGITAL 10 mV LEVEL Voltage pulses 10mV trigger threshold DIGITAL 100 mV LEVEL Voltage pulses 100mV trigger threshold DIGITAL 2 5 V LEVEL Voltage pulses 2 5V trigger threshold 4 20 mA 4 20 mA current signal 0 20 mA 0 20 m...

Страница 60: ...for the flowmeter Note For flowmeters with analog linear output Target generic square law and Gilflo flowmeters the flow computer uses the selected system units for volumetric flowrate The units for differential pressure flowmeters are dependent on the system units selected for pressure Imperial units inches H2O Metric units mbar Input Number with floating decimal point 0 000 999999 Display 10000 ...

Страница 61: ...gin using the hi range delta P pressure transmitter signal Input Number with floating decimal point 0 000 999999 Display 0 000 in H2O SWITCH UP DP Enter the value of delta P at which the unit will begin using the lo range delta P pressure transmitter signal Input Number with floating decimal point 0 000 999999 Display 0 000 in H2O SWITCH UP DP Enter the low flow cutoff This is used as a switchpoin...

Страница 62: ...alibration density This is the fluid density upon which the flowmeter s calibration is based Input Number with floating decimal point in requested units 0 000 10 000 Display 8 3372 gal CAL DENSITY Enter the K Factor of the flowmeter Note The K Factor is expressed in pulses per unit volume as defined by total units Input Number with floating decimal point 0 001 999999 Display 000 ft3 h LOW FLOW CUT...

Страница 63: ...o the flow computer to 70 F 21 C Some manufacturers use a graph or a formula to show the influence of temperature on the calibration of the flowmeter In this case use the following equation to calculate the meter expansion coefficient KME Meter expansion coefficient Q T Volumetric flow at temperature T resp TCAL T Average process temperature TCAL Calibration temperature Note This correction should...

Страница 64: ...ass flow Liquid volume flow Gas corrected volume flow M Mass flow Q Volumetric flow QREF Corrected volumetric flow KDP DP Factor ε1 Gas expansion factor Y1 T Operating temperature TCAL Calibration temperature p Differential pressure ρ Density at flowing conditions KME Meter expansion coefficient x 10 6 ρREF Reference density DP FACTOR 6 8 FLOW INPUT Continued FLOW INPUT 2 p ρ 1 KME T TCAL KDP ε1 M...

Страница 65: ... FLUID DATA 3 Beta see FLOW INPUT 4 Meter expansion coef ref see FLOW INPUT 5 STP Ref temperature pressure see OTHER INPUT 7 Inlet Pipe Bore see FLOW INPUT 8 Calibration Temp see OTHER INPUT only for gas flow equations Entries CHANGE FACTOR NO CHANGE FACTOR YES If YES the flow computer will prompt you further COMPUTE FACTOR NO COMPUTE FACTOR YES If NO Enter DP FACTOR If YES You will be prompted fo...

Страница 66: ...ts conversion constant from the absolute inlet pressure units to the differential pressure units 27 7 is for psia to H2O use other units conversions as required p κ p1 27 7 ε1 1 0 41 0 35 β4 Y 1 V Cone Case P k ΔP 27 7 0 696 0 649 1 Y β 4 Note that P and P can be in any units as long as they are the same NOTE Y 1 for noncompressible fluids e g water oil etc Annubar Pitot Target Case Y1 ε1 1 0 ε1 G...

Страница 67: ...Factor M Mass flow Q Volumetric flow QREF Corrected volumetric flow ε1 Gas expansion factor T Operating temperature TCAL Calibration temperature p Differential pressure ρ Density at flowing conditions ρREF Reference density Note The computation accuracy can be enhanced by entering up to 16 values for Reynold s Number DP Factor in a linearization table see LINEARIZATION Each DP Factor can be calcul...

Страница 68: ...each pair of values Pairs are entered in ascending order by Hz cstks Linear flowmeters with analog output excluding Gilflo ILVA The linearization table enables up to 16 different flowrate correction factor pairs The flowrate and corresponding correction factor are prompted for each pair of values The correction factor Cf is determined as follows Cf actual flowrate displayed flowrate Linear squared...

Страница 69: ... Factor Input Max 6 digit number 0 001 1 0 Display 1 000000 BYPASS YM FACTOR 6 8 FLOW INPUT Continued FLOW INPUT VIEW INPUT SIGNAL This feature is used to see the present value of the flow input signal The type of electrical signal is determined by the flowmeter input signal type selection Display 150 Hz VIEW INPUT SIGNAL BYPASS CAL FACTOR BYPASS EAm FACTOR BYPASS DC FACTOR BYPASS Ym FACTOR FLOWME...

Страница 70: ...ed steam is measured with only a pressure sensor INPUT 1 NOT USED must be selected If only a temperature sensor is used INPUT 2 NOT USED must be selected Selection Input 1 Temperature INPUT 1 NOT USED RTD TEMPERATURE 4 20 TEMPERATURE 0 20 TEMPERATURE MANUAL TEMPERATURE 4 20 mA TRAP STATUS Input 2 Process pressure Temperature 2 Density INPUT 2 NOT USED 4 20 PRESSURE G 0 20 PRESSURE G MANUAL PRESSUR...

Страница 71: ... Display 752 00 of FULL SCALE VALUE A fixed value can be defined for the assigned variable pressure temperature density The flow computer will use this value in the following cases In case of error i e defective sensors The flow computer will continue to operate using the value entered here if MANUAL TEMPERATURE MANUAL PRESSURE or MANUAL DENSITY was selected for INPUT SIGNAL Input Number with fixe...

Страница 72: ...P BAROMETRIC PRESS CALIBRATION TEMP This feature is used to see the present value of the compensation input signal The type of electrical signal is determined by the compensation input signal type selection Display 20 mA VIEW INPUT SIGNAL VIEW INPUT SIGNAL Enter the TRAP ERROR DELAY cold trap error in HH MM format An alarm will only be activated if the trap is detected as continuously being in the...

Страница 73: ... PULSE OUTPUT PULSE OUTPUT Assign the pulse output to a measured or calculated totalizer value Selection HEAT TOTAL MASS TOTAL CORRECTED VOL TOTAL ACTUAL VOLUME TOTAL Display ACTUAL VOLUME TOTAL ASSIGN PULSE OUTPUT ASSIGN PULSE OUT PUT ...

Страница 74: ...ernal power supply required POSITIVE Rest value at 0V active high NEGATIVE Rest value at 24V active low or external power supply Active Passive Positive Pulse Negative Pulse Selection PASSIVE NEGATIVE PASSIVE POSITIVE ACTIVE NEGATIVE ACTIVE POSITIVE Display PASSIVE POSITIVE PULSE TYPE 24V 12345678 13 12 Push Pull Internal Power Supply 12345678 13 12 Open Collector 24V External Power Supply 24 0 t ...

Страница 75: ...rnal devices The pulse width limits the max possible output frequency of the pulse output For a certain output frequency the max permissible pulse width can be calculated as follows Pulse width 1 2 max output frequency Hz Input Number with floating decimal point 0 01 9 999 s seconds Display 01 s PULSE WIDTH Frequency signals can be simulated in order to check any instrument that is connected to th...

Страница 76: ...N CURRENT OUT Define the 0 or 4 mA low scale current value The current for the scaled full scale value is always 20 mA Selection 0 20 mA 4 20 mA NOT USED Display 4 20 mA CURRENT RANGE Set the low scale value to the 0 or 4 mA current signal for the variable assigned to the current output Input Number with floating decimal point 999999 999999 Display 000 ft3 h LOW SCALE VALUE Set the full scale valu...

Страница 77: ...mber 0 99 Display 1 TIME CONSTANT Display the actual value of the current output Display 0 000 mA CURRENT OUT VALUE Various output currents can be simulated in order to check any instruments which are connected Note The simulation mode selected affects only the selected current output The flow computer is fully operational during simulation Simulation mode is ended immediately after exiting this s...

Страница 78: ...applications continuously and compare them to the saturated steam curve When the degree of superheat distance to the saturated steam curve drops below 5 C the relay switches and the message WET STEAM ALARM is displayed NOTE Relay response time is affected by the value entered for display damping The larger the display damping value the slower the relay response time will be This is intended to pre...

Страница 79: ... relay as an additional pulse output Display HI ALARM FOLLOW RELAY MODE After configuring a relay for Alarm indication limit value the required setpoint can be set in this submenu If the variable reaches the set value the relay switches and the corresponding message is displayed Continuous switching near the setpoint can be prevented with the HYSTERESIS setting Note Be sure to select the units SYS...

Страница 80: ...r MALFUNCTION or limit value The response of the relay during alarm status is determined by selecting the pulse width Pulse width 0 0 s Normal setting Relay is latched during alarm conditions Pulse width 0 1 9 9 s special setting Relay will energize for selected duration independent of the cause of the alarm This setting is only used in special cases i e for activating signal horns Case B Relay se...

Страница 81: ... safety reasons the setting LATCH has been selected in the submenu RELAY MODE This ensures that the user is actively aware of the alarm message Note When in the HOME position press the ENTER key to acknowledge and clear alarms The alarm status can only be permanently cancelled if the cause of the alarm is removed Selection RESET ALARM NO RESET ALARM YES Display RESET NO RESET ALARM As an aid durin...

Страница 82: ...he baud rate for serial communication between the flow computer and a personal computer modem or printer Selection 9600 2400 1200 300 Display 9600 BAUD RATE Select the desired parity The setting selected here must agree with the parity setting for the computer modem or printer Selection NONE ODD EVEN Display NONE PARITY The control of data flow can be defined The setting required is determined by ...

Страница 83: ... TOTAL NO YES HEAT GRAND TOTAL NO YES MASS FLOW NO YES MASS TOTAL NO YES MASS GRAND TOTAL NO YES COR VOLUME FLOW NO YES COR VOL GRAND TOTAL NO YES VOLUME FLOW NO YES VOLUME TOTAL NO YES VOL GRAND TOTAL NO YES TEMPERATURE NO YES TEMPERATURE 2 NO YES DELTA TEMPERATURE NO YES PROCESS PRESSURE NO YES DENSITY NO YES SPEC ENTHALPY NO YES DIFF PRESSURE NO YES ERRORS NO YES ALARMS NO YES PEAK DEMAND NO YE...

Страница 84: ... Selection YES Data is logged but no information is sent on print event NO Data is logged and immediately transmitted Display YES DATALOG ONLY Define a time interval Variables and parameters will be periodically logged at regular intervals of this value of time The setting 00 00 deactivates this feature Input Time value in hours minutes HH MM Display 00 00 PRINT INTERVAL Define the time of day tha...

Страница 85: ...le for initializing modem NO Device will not be used to initialize modem Display YES DEVICE MASTER MODEM CONTROL Modem DEVICE MASTER Modem Select YES or NO for Send Inc Tot Only Selection YES Unit will send Inc Tot Only NO Unit will not send Inc Tot Only Display YES SEND INC TOT ONLY Enter multiplying factor for Inc Only Scaler Selection X1 X10 X100 X1000 Display X1 INC ONLY SCALER Select YES or N...

Страница 86: ...C if error occurs Display YES CALL ON ERROR CALL ON ERROR Modem Select YES or NO for Modem Auto Answer Selection YES Modem will answer incoming calls NO Modem will not answer incoming calls Display YES MODEM AUTO ANSWER Define a Call Out Number Enter the telephone number or email address to be called Input max 16 digit phone number Display CALL OUT NO Define the Call Out Time Enter scheduled call ...

Страница 87: ...NO for Hang Up If Inactive Selection YES Unit will hang up if remote PC fails to respond within several minutes after connection is established NO Unit will not hang up if remote PC fails to respond after connection is established Display YES HANG UP IF INACTIVE HANG UP IF INACTIVE Modem ...

Страница 88: ...S RELAY 1 HIGH ALARM NO YES RELAY 1 LOW ALARM NO YES RELAY 2 HIGH ALARM NO YES RELAY 2 LOW ALARM NO YES RELAY 3 HIGH ALARM NO YES RELAY 3 LOW ALARM NO YES TRAP ERROR NO YES TRAP BLOWING NO YES INPUT 3 OVERRANGE NO YES INPUT 3 BROKEN NO YES 24VDC OUT ERROR NO YES PULSE IN ERROR NO YES INPUT 1 Vin ERROR NO YES INPUT 1 Iin ERROR NO YES INPUT 2 Iin ERROR NO YES INPUT 2 RTD ERROR NO YES INPUT 3 Iin ERR...

Страница 89: ...ow computers are connected to the same interface Selection 3 digit number 1 247 Display 1 DEVICE ID Enter the baud rate for serial communication between the flow computer and a personal computer Selection 19200 9600 4800 2400 1200 600 300 Display 9600 BAUD RATE Select the desired parity The setting selected here must agree with the parity setting for the computer Selection NONE ODD EVEN Display NO...

Страница 90: ... list of errors that have occurred can be viewed and cleared Selection VIEW NO VIEW YES If YES is selected the error log can be viewed and errors individually cleared if editing enabled with Service Code Display CLEAR NO POWER FAILURE Display the software version of the flow computer Contact local agent for upgrade information Example 02 00 14 Display 02 00 14 SOFTWARE VERSION Display the hardware...

Страница 91: ...00 V LEARN 0 0 V PIN 2 Apply 10 0 Volts Press enter to learn 10 0 Volts Display RESULT 10 000 V LEARN 10 0 V PIN 2 Connect your current source to Pin 2 and Pin 4 Apply 0 0 mA Press enter to learn 0 0 mA Display RESULT 0 000 mA LEARN 0 0 mA PIN 2 Apply 20 0 mA Press enter to learn 20 0 mA Display RESULT 20 000 mA LEARN 20 0 mA PIN 2 Connect your current source to Pin 3 and Pin 4 Apply 0 0 mA Press ...

Страница 92: ...0 mA Press enter to learn 20 0 mA Display RESULT 20 000 mA LEARN 20 0 mA PIN 11 Connect a 100Ω resistor between Pins 6 7 and place a jumper wire between Pins 5 6 Press enter to learn RTD resistance on Pins 5 6 7 Display RESULT 100 00 ohm LEARN RTD PIN 5 6 7 Connect a 100Ω resistor between Pins 10 11 and place a jumper wire between Pins 9 10 Press enter to learn RTD resistance on Pins 9 10 11 Displ...

Страница 93: ...erve the reading on the ammeter Using the numeric keys enter the actual reading in mA and press enter Display ACTUAL 4 041 mA ADJ 4mA PIN 15 16 Observe the reading on the ammeter Using the numeric keys enter the actual reading in mA and press enter Display ACTUAL 20 006 mA ADJ 20mA PIN 15 16 Connect your frequency meter to Pin 12 and Pin 13 This feature is used to check the pulse output Calibratio...

Страница 94: ...isplay 0 000 Hz INPUT FREQUENCY The calibration procedure is complete You may now choose to save this calibration as the Factory Calibration Display NO SAVE AS FACTORY CAL If you are not satisfied with the calibration results you can restore the last saved Factory Calibration Display NO RESTOR FACT CALIB This feature allows you to enter the next date you would like the unit to be calibrated This i...

Страница 95: ...uits Display RUN NO SELF CHECK The Service Test requires a special calibration apparatus that connects to the rear terminals of the unit This is used to determine whether the flow computer or the field wiring is faulty The calibration apparatus may be purchased from your local distributor Display RUN NO SERVICE TEST PRINT SYSTEM SETUP SELF CHECK SERVICE TEST Not available with 3 Relay option NOTE ...

Страница 96: ...tandardized sizing program for the particular device he will be using Such standardized printouts list all the necessary information which the user will then be prompted for Several specialized flow equations are listed that are not intended for the standard unit but to be offered to appropriate OEMs or as special order items These are desig nated by a Note concerning Fluid Information The user wi...

Страница 97: ...Temperature Default Value Delta Temp Case Delta Temp T2 T1 Flowmeter location cold Delta Temp T1 T2 Flowmeter location hot Density Computation Water Case density_water density Tf Liquid Case density reference density 1 Therm Exp Coef Tf Tref 2 Steam Case density 1 specific volume Tf Pf Gas Case Pf Tref 273 15 Zref density reference density Pref Tf 273 15 Zf NOTE For Natural Gas is determined by NX...

Страница 98: ...ations Over most normal measurement ranges 500 to 5000 psia 3 5 to 10 4 MPa and 10 to 100 F 23 to 38 C the NX 19 equation will compute the gas compressibility factor to within 0 2 of the values computed by the newer AGA 8 state equa tion The ranges over which the NX 19 equation applies are Pressure PG To 5000 psig 10 34 MPa gauge Temperature Tf 40 to 240 F 40 to 116 C Specific Gravity G 0 554 to 1...

Страница 99: ...o 5 0 1 32 to 1 40 E8 Ta T 1 09 Tb 1 09 T E1 1 0 00075p2 3 exp 20Ta 0 0011Ta 0 5 p2 2 17 1 4Ta 0 5 p 2 E2 1 0 00075p2 3 2 exp 20Tb 1 317Tb 4 p 1 69 p2 E3 1 0 00075p2 3 2 exp 20Tb 0 455 200Tb 6 0 03249Tb 2 0167Tb 2 18 028Tb 3 42 844Tb 4 p 1 3 1 69 2 1 25 p2 E4 1 0 00075p2 3 2 exp 20Tb 0 455 200Tb 6 0 03249Tb 2 0167Tb 2 18 028Tb 3 42 844Tb 4 p 1 3 1 69 2 1 25 80 0 88 t 2 p2 E5 E4 X E6 E3 X E7 E1 X E...

Страница 100: ...ed in H2 O Pf is in PSIA 27 7 is a PSIA to H2 O units conversion Liquid Case Y 1 0 Gas Steam Case Orifice Case delta P Y 1 0 0 41 0 35 B4 isentropic exponent Pf 27 7 Venturi Flow Nozzle Wedge Case 7 3 9 Sensible Heat Flow Computation 7 3 10 Liquid Delta Heat Computation 7 3 11 Expansion Factor Computation for Square Law Flow meters Heat Flow Computation Steam Heat heat flow mass flow total heat st...

Страница 101: ... for a 10 sensor w P 1 043 for a 15 sensor w h Verabar differential pressure in inches of H2O fa P Absolute static pressure high side of the Verabar in psia Γ k Isentropic exponent for a real gas or steam 7 3 11 Expansion Factor Computation for Square Law Flowmeters Continued V Cone Case P k ΔP 27 7 0 696 0 649 1 Y β 4 Note that P and P can be in any units as long as they are the same NOTE Y 1 for...

Страница 102: ...Continued For 1 inch Accelabar Body fta w a P h Y 73 27 5890 9824 Where a Y w h fta P Accelabar gas expansion factor dimensionless Differential pressure inches H2O 68 F Flowing Pressure in Accelabar Throat psia Flowing pressure in psig atmospheric pressure in psi Isentropic Exponent for a real gas Γ Isentropic Exponent for a real gas or steam For 3 inch to 12 inch Accelabar Body fta w a P h Y 73 2...

Страница 103: ...actor volume flow K Factor Hz 1 Meter Exp Coeff Tf Tcal Analog Linearization Case Input Flow Correction Factor Input Flow volume flow 1 Meter Exp Coeff Tf Tcal Square Law Linearization Case DP Factor RN 2 delta P 1 2 volume flow Y 1 Meter Exp Coeff Tf Tcal density Pulse UVC Case input frequency Time Scaling Factor volume flow K Factor Hz cstks 1 Meter Exp Coeff Tf Tcal Shunt Flow Bypass Flowmeter ...

Страница 104: ...ons calculate the density corrected volumetric flowrate Qd Qc Dn Da 0 5 Where Qd density corrected volumetric flowrate Qc nominal water volumetric flowrate column 6 corrected for Reynolds Number and gas expansion effects Da actual flowing density of working fluid Dn nominal density of water at reference conditions Once corrected for density a further correction is required to take into account the...

Страница 105: ... The user is prompted for the following mass flow or volume flow or corrected volume flow as indicated by the flow equation Differential Pressure Inlet Pressure Temperature Density Isentropic Exponent The unit then computes the following results corresponding to the user entry conditions and appropriate methods Y Finally the DP Factor is computed as follows Steam Case mass flow 1 Meter Exp Coeff T...

Страница 106: ...or printing of calibration and maintenance reports For transaction printing the user defines the items to be included in the printed document The user can also select what initiates the transaction print generated as part of the setup of the instrument The transaction document may be initiated via a front panel key depression In data logging the user defines the items to be included in each data l...

Страница 107: ...Port with PC The flow computer s RS 485 channel supports a number of Modbus RTU commands Refer to port pinout below for wiring details Modbus RTU drivers are available from third party sources for a variety of Man Machine Interface software for IBM compatible PC s The user reads and writes information from to the RS 485 using the Modbus RTU commands The SUPERtrol II then responds to these informat...

Страница 108: ...Requirements The serial communication port on your PC is either a 25 pin or 9 pin connector No cabling is supplied with the setup software A cable must be purchased separately or made by the user It is recommended to purchase a serial cable which matches the available communication port on you PC and a 9 pin male connection for the SUPERtrol II serial port 10 3 Installation for Windows 3 1 or 3 11...

Страница 109: ...an attached unit The Communications with SUPERtrol II Section allows the user to upload the setup from the unit or download the program s current template to the unit The Print report Section allows the user to 1 Configure the current Windows printer through the Select Printer option 2 Print a Maintenance Report through the PC s printer using the Print Maintenance option 3 Print the current setup ...

Страница 110: ...le The data can be expanded by clicking on the plus sign in front of the group title If a group is collapsed and data in the group changes on refresh the group will automatically expand Data in the Error Log section does not expand or collapse Changing the view items requires stopping the current viewing checking the new selections and then restarting the viewer If communication errors occur while...

Страница 111: ...which a flow sensor was calibrated on a test fluid Combustion Heat The energy released by a fluid fuel during combustion Default A value to be assumed for manual inputs or in the event of a failure in a input sensor Display Damping An averaging filter constant used to smooth out display bounce DP Factor A scaling constant for a square law flowmeter Error Log A historical record which captures erro...

Страница 112: ...ay be used to correct for changes in flowmeter housing dimensioned changes with temperature Mole The composition of an individual gas in a gas mixture NX 19 A series of equations used to compute the compressibility of natural gas as a function of specific gravity temperature pressure and gas composition Protocol An agreed upon method of information exchange Print Initiate A user specified conditio...

Страница 113: ... extraction SQR Law 16PT Square Law 16pt A mathematical approximation to a square law device where the discharge coefficient is represented as a table of DP Factor vs Reynold s Number Steam Delta Heat A computation of the net heat of saturated steam equal to the total heat of steam minus the heat of water at the measured actual temperature Steam Heat A computation of the total heat of steam Steam ...

Страница 114: ... No Does the display show an error message Yes No See section 12 3 for cause and remedy No system or process errors present Are the Display Characters Visible No Yes Factory Service Required Factory Service Required 12 Diagnosis and Troubleshooting 12 1 Response of SUPERtrol II on Error or Alarm Error indications which occur during operation are indicated alternately with the measured values The S...

Страница 115: ... circuit detected on input 3 Open circuit detected on RTD 1 input Short circuit detected on RTD 1 input Remedy Acknowledge Error Remedy not required Acknowledge Error Remedy not required Check wiring and communication settings protocol Repeat Calibration Check paper and printer connections Check application Insure that all sensors are working properly Check application Insure that all sensors are ...

Страница 116: ...r detected on input 1 current input during service test run Error detected on input 2 during service test run Error detected on input 3 during service test run Remedy Check wiring and RTD Check wiring and RTD Adjust pulse value or pulse width Adjust the 0 Full Scale values or increase lower flowrate Adjust the 0 Full Scale values or increase lower flowrate Not required Not required Not required No...

Страница 117: ... outage A display malfunction has been detected Part or all of the internal RAM is damaged Steam trap malfunction Steam trap malfunction Contents of datalog were corrupt and lost Remedy By Factory Service By Factory Service By Factory Service By Factory Service By Factory Service By Factory Service By Factory Service By Factory Service Re Enter setup data If problem persists Fac tory service requi...

Страница 118: ...62 37 60 0 0001015 0 1 0 001969 3315 61 HYDROGEN 4 41874 432 2 0 0007259 60620 5 2 336 0 003537 48 5432 ETHYLENE 34 085 127 5 0 00068257 22292 1 0 000238 26665 90 HELIUM 9 14157 452 1 0 00011477 0 1 0 0033 0 GAS FLUID REF REF REF Z Z FACTOR AT SPECIFIC COMBUSTION ISENTROPIC VISCOSITY BY VISCOSITY BY DENSITY TEMP ºF FACTOR 100 PSIA HEAT HEAT Btu lb EXPONENT ANDREDE s ANDREDE s lb ft3 14 696 PSIA an...

Страница 119: ...SCALE VALUE TIME CON STANT CURRENT OUT VALUE DISPLAY SIMULATION CURRENT ASSIGN CUR RENT OUT CURRENT RANGE LOW SCALE VALUE FULL SCALE VALUE TIME CON STANT CURRENT OUT VALUE DISPLAY SIMULATION CURRENT ASSIGN CUR RENT OUT CURRENT RANGE SELECT RELAY 1 2 3 LIMIT SET POINT PULSE VALUE HYSTERESIS RELAY FUNC TION RELAY MODE FULL SCALE VALUE EXAMINE AUDIT TRAIL ERROR LOG SOFTWARE VERSION DISPLAY HARDWARE V...

Страница 120: ... VALUE DISPLAY SIMULATION CURRENT ASSIGN CUR RENT OUT CURRENT RANGE LOW SCALE VALUE FULL SCALE VALUE TIME CON STANT CURRENT OUT VALUE DISPLAY SIMULATION CURRENT ASSIGN CUR RENT OUT CURRENT RANGE RS232 USAGE DEVICE ID BAUD RATE PARITY HANDSHAKE PRINT LIST FULL SCALE VALUE EXAMINE AUDIT TRAIL ERROR LOG SOFTWARE VERSION DISPLAY HARDWARE VERSION DISPLAY PRINT SYSTEM SETUP SELF CHECK SYSTEM PARAMETER S...

Страница 121: ...e Flow Com puter will construct the reply message and send it using Modbus RTU protocol RTU Mode The Flow Computer with RS 485 communications option supports the Modbus RTU Remote Terminal Unit mode only The Modbus ASCII mode is not supported The main advantage of the RTU mode is that its greater character density allows better data throughput than ASCII for the same baud rate The Modbus RTU uses ...

Страница 122: ... RS 485 chain and nowhere else On the Flow Computer this is accomplished by connecting a jumper from the terminal labeled Terminating Resistor 180 Ω to the terminal labeled TX RX at the RS 485 port If lightning protection is required a suitable surge protector should be used For additional information refer to the technical requirements of EIA 485 interface adaptor user manual and the communicatio...

Страница 123: ...N I R E W O P C D C D N I E S L U P T U P T U O C D N O M M O C T I C X E D T R S N E S D T R S N E S D T R 8 9 0 1 1 1 2 1 2 3 4 5 6 7 1 E R U T A R E P M E T n i I n i V n i I N I N I W O L F T I C X E D T R S N E S D T R S N E S D T R T U P T U O C D E R U S S E R P 2 P M E T n i I N I 1 T U P T U O G O L A N A 2 Y L R M O C 2 Y L R O N 1 Y L R M O C 8 1 9 1 0 2 1 2 2 2 2 Y L R O N 2 Y L R M O ...

Страница 124: ... 1 Reg 40039 40040 Float Alarm Point 2 Reg 40041 40042 Float Alarm Point 3 Reg 40043 40044 Float Year Reg 40045 Integer Month Reg 40046 Integer Day Reg 40047 Integer Hours Reg 40048 Integer Min Reg 40049 Integer Sec Reg 40050 Integer Peak Demand Reg 40051 40052 Float Demand Last Reg 40053 40054 Float Viscosity Reg 40055 40056 Float Abs Viscosity Reg 40057 40058 Float Reserved Reg 40059 40060 Float...

Страница 125: ... Coil Data Type System Alarm Power Failure Coil 00001 bit System Alarm Watchdog Coil 00002 bit System Alarm Communication Error Coil 00003 bit System Alarm Calibration Error Coil 00004 bit System Alarm Print Buffer Full Coil 00005 bit System Alarm Totalizer Error Coil 00006 bit Sensor Process Alarm Wet Steam Alarm Coil 00007 bit Sensor Process Alarm Off Fluid Table Coil 00008 bit Sensor Process Al...

Страница 126: ...37 bit Service Test Iout 2 Error Coil 00038 bit Service Test Relay 1 Error Coil 00039 bit Service Test Relay 2 Error Coil 00040 bit Service Test RS 232 Error Coil 00041 bit Self Test A D Malfunction Coil 00042 bit Self Test Program Error Coil 00043 bit Self Test Setup Data Lost Coil 00044 bit Self Test Time Clock Lost Coil 00045 bit Self Test Display Malfunction Coil 00046 bit Self Test Ram Malfun...

Страница 127: ...sitive heat only Accessories KEPS KEP1 32 32 Bit OPC DDE Server for KEP RS 232 Protocol KEPS MBS 32 32 Bit Modbus RTU OPC DDE server MPP200N Industrial Wall Mount Modem P1000 Hand Held Printer CA 285 RS 232 to RS 485 Converter WARRANTY This product is warranted against defects in materials and workman ship for a period of two 2 years from the date of shipment to Buyer The Warranty is limited to re...

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