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User’s Guide

FC-21

Flow Computer

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99579 08/21/03

Содержание FC-21

Страница 1: ...www omega com e mail info omega com User sGuide FC 21 Flow Computer Shop online at 99579 08 21 03...

Страница 2: ...city Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industria...

Страница 3: ...Output in Batcher mode 17 5 4 5 Analog Output in Batcher mode 17 5 4 6 RS 232 Serial Port Operation in Batcher mode 18 5 4 7 RS 485 Serial Port Operation in Batcher mode 18 6 PROGRAMMING 6 1 Front Pa...

Страница 4: ...put test 52 8 2 19 Analog out test 52 8 2 20 Excitation out test 52 8 2 21 Pulse out test 53 8 2 22 Relay test 53 8 2 23 Control input test 53 8 2 24 Battery Voltage test 54 8 2 25 Data logger utility...

Страница 5: ...ds The user soft selects the usage of each input output while configuring the instrument Consider the following illustrative examples The isolated analog output can be chosen to follow volume flow cor...

Страница 6: ...fects Over Voltage Limit 50 VDC Over voltage protection Over Current Protection Internally current limited Protected to 24 VDC Pulse Inputs Number of Flow Inputs one Configurations supported single in...

Страница 7: ...which is then updated periodically on the display The analog output the pulse output and the alarm relays are also updated The cycle then repeats itself Step 1 Update the measurements of input signal...

Страница 8: ...unit assumes when a malfunction is determined to have occurred on the corresponding input It is possible to enter in a nominal constant value for temperature or density or analog flow inputs by placin...

Страница 9: ...have not been corrected The user initiates the printing of this report at a designated point in the menu by pressing the print key on the front panel Operation of Serial Port with Modems optional The...

Страница 10: ...tion Connectors Minimum Wire Gauge 22 AWG Maximum Wire Gauge 14 AWG Voltage current limits are limited by unit specifications Permanently Connected Equipment UL 3101 1 Section 6 12 2 1 specifies that...

Страница 11: ...r entered scale settings Output Results Display Results Flow Rate Resettable Total Non Resettable Total Analog Output Rate or Total Pulse Output Total Relay Outputs Rate or Total Alarms Applications T...

Страница 12: ...Resettable Total Non Resettable Total Temperature Density Analog Output Rate Total Temperature or Density Pulse Output Total Relay Outputs Rate Total or Temperature Alarms Applications Monitoring cor...

Страница 13: ...alog Output Rate Total Temperature or Density Pulse Output Total Relay Outputs Rate Total or Temperature Alarms Applications Monitoring mass flow and total of any liquid Flow alarms are provided via r...

Страница 14: ...expansion coefficient stored in the flow computer Output Results Display Results Flow Rate Batch Total Non Resettable Total Temperature Density Analog Output Rate Total Temperature or Density Pulse O...

Страница 15: ...OLENOID VALVE MOV recommended 115 VAC 115 VAC V Signal Common Start Stop 123456 Remote Counter 13 PULSE OUTPUT PULSE OUTPUT ANALOG OUTPUT ANALOG OUTPUT RLY1 RLY2 AC LINE AC LINE 24 18 COM 19 20 21 22...

Страница 16: ...dous Area Safe Area Flow Input Flow Input Hazardous Area Safe Area Temperature Input 4 20mA Transmitter 4 20 T 1 2 4 3 28V Diode 1 4 8 24V Out 4 20mA Temp Transmitter 4 20mA In Common Temperature Inpu...

Страница 17: ...l list Press the function key for the item you wish to add Use the keys to assign the line PRINT The PRINT key is used to print on demand When the PRINT key is pressed a user defined list of data TOTA...

Страница 18: ...or password will allow access to restricted areas of the Setup and Test menus 5 3 2 Relay Operation in Rate Total mode Up to four relays are available two standard for alarm outputs The relays can be...

Страница 19: ...instrument setup parameters and usage for the current instrument configuration The audit trail information and a status report is also printed This report is initiated in the Test menu see section 8 2...

Страница 20: ...en this value the unit will not allow the value to be entered and will prompt the user with an error message saying that the Maximum Batch Preset has been exceeded Batch Overrun The Batch Overrun is u...

Страница 21: ...or Supervisor Password is entered in the setup mode see section 6 3 SETUP PASSWORD submenu the unit will be locked The unit will prompt the user for the password when trying to perform the following...

Страница 22: ...of the instrument setup parameters and usage for the current instrument configuration The audit trail information and a status report is also printed This report is initiated in the Test menu see sec...

Страница 23: ...p line of the display The choices are shown on the lower line of the display To select an item press the key beneath the desired choice The selected choice will blink Press the ENTER key to accept the...

Страница 24: ...totalizer units label Enter the desired totalizer decimal location 0 3 decimal places allowed Enter the desired K Factor Type If Average selected Enter the desired Average K Factor If LinTbl or UVC se...

Страница 25: ...routine Refer to Page 20 for Details Refer to Page 22 for Details Refer to Pages 22 for Details Refer to Page 23 24 for Details Refer to Page 25 26 27 for Details Refer to Pages 28 for Details Refer t...

Страница 26: ...t Off if this is not desirable Enter Time Delay for Auto Batch Restart When a batch is completed the next batch will start after the amount of time entered here Enter a timeout of 0 to 99 seconds If a...

Страница 27: ...the Density Indicators Enter the desired Density Descriptor Enter the desired Mass Units Label for Density Select the desired Density Decimal Place 0 3 decimal places allowed 6 4 5 SETUP INDICATORS De...

Страница 28: ...Averaging is inhibited See Page 57 for more details Press ENTER when Temp is flashing to configure the Temperature Indicators Enter the desired Temperature Descriptor Enter the desired Temperature Sc...

Страница 29: ...Enter the desired Pulse type See side note Select the desired Input Pulse Trigger Level Select the desired Low Pass Filter Max Count Speed Select the proper input termination Enter the desired Maximu...

Страница 30: ...ired Maximum Sample Window Time 1 99 sec Enter the desired K Factor Type If Avg selected Enter the desired Average K Factor KA for channel A Enter the desired Average K Factor KB for channel B If LinT...

Страница 31: ...figure the flow input for Analog signals Choose Analog Signal Type If Voltage selected Choose desired Voltage Range If Current selected Choose desired Current Range Select the desired Linearization Ty...

Страница 32: ...R ENTER ENTER ENTER ENTER ENTER Press ENTER to begin setup of the Auxiliary Input Select Temperature to set the Auxiliary Input for Temperature inputs Choose Temperature Signal Type Advance to Aux Def...

Страница 33: ...rected Volume See Section 7 4 Calculating the Expansion Factor Enter the Calibration Density This is used in calculation of flow for analog inputs using SQRT Enter the Viscosity A Coefficient See sect...

Страница 34: ...the desired current range for the Analog Output Enter desired Analog Output Low Scale Value NOTE Units label will correspond with output usage type selected Enter desired Analog Output Full Scale Valu...

Страница 35: ...The RELAY N DELAY feature allows the user to enter a time delay for relay activation This feature is very useful in applications where short over under range conditions are not considered alarm condit...

Страница 36: ...cted Select Start Reset Start NA Not Assigned If Control Input 2 Selected Select Stop Stop Reset NA Not Assigned If Control Input 3 Selected Select Prn Print Ack acknowledge KeyLk Keylock or NA Not As...

Страница 37: ...33 FC 21 Flow Computer ENTER ENTER ENTER ENTER ENTER ENTER ENTER...

Страница 38: ...ype for standard port See SETUP NETWORK CARD for RS485 Modbus option Select the Device ID Select the desired Baud Rate If more selected Select the desired Parity Set the Handshake Choose end of line t...

Страница 39: ...Select Yes to perform hangup if there is inactivity for more than 2 minutes Press Enter to setup the Datalog Print information Select Config to configure the Datalog Print information Select the type...

Страница 40: ...TER ENTER ENTER 6 4 23 ADMINISTRATIVE SETUP 6 4 22 SETUP DATALOG PRINT Select_list ENTER ENTER Press enter to begin Setup Datalog Print routine Press enter when Select_list is selected to setup print...

Страница 41: ...SELECT NTW PROTOCOL ModbusRTU NETWORK DEVICE ID 1 BAUD RATE 2400 4800 9600 19200 PARITY None Odd Even Advance To SELECT EZ SETUP Press Enter to setup Network Card Select desired Network Protocol Ente...

Страница 42: ...vice 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 th...

Страница 43: ...factor input flow Analog Input Orifice or External SQRT calibrated density Volume Flow input flow density Analog Input Orifice Linear Table or External SQRT Linear Table calibrated density Volume Flow...

Страница 44: ...40 FC 21 Flow Computer 7 3 Flow Equations Continued Flow Equations The above information was obtained from Flow Measurement Engineering Handbook 3rd Edition by Richard W Miller...

Страница 45: ...the normal boiling point may also be used In some cases the fluid data may list properties at 100 F this temperature may also be used as the reference temperature The reference temperature should be c...

Страница 46: ...ity 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...

Страница 47: ...for Analog Inputs The Linearization Table for Analog inputs programming is similar to the Pulse input setup The Flow Computer asks for 16 different flow rates apparent flow and 16 corresponding Corre...

Страница 48: ...TART STOP START STOP START STOP START STOP START STOP 8 1 1 TOP LEVEL TEST MENUS STOP START Select Test to enter the instrument test calibration routine NOTE Supervisor Service password required to ga...

Страница 49: ...to clear entire error log Press Menu to get back to error history top level menu Press enter key to enter print system setup submenu Press enter to begin printing the system setup This message will di...

Страница 50: ...00000000000000 Display test MENU ENTER Press Enter to enter keypad test Press the various keys and the display will show the key that was pressed Press Menu to exit the test Press Menu to get back to...

Страница 51: ...r Calibration Submenu Group 8 2 6 Calibrate CH1 0mA Submenu Group Press Enter to begin the calibration routine Please note the caution above Connect Current Source TB1 3 TB1 4 Input 0mA and press Ente...

Страница 52: ...B1 4 Input 0mA and press Enter This message is displayed during calibration This message is displayed when the 0mA calibration is finished The display will automatically return to the Calibrate CH2 0m...

Страница 53: ...d press Enter This message is displayed during calibration This message is displayed when the 0V calibration is finished The display will automatically return to the Calibrate CH1 0V submenu Press the...

Страница 54: ...ation is finished The display will automatically return to the Calibrate CH2 0V top level menu Press the Down arrow key to advance to the CH2 10V calibration To Calibrate Connect Voltage Source TB1 5...

Страница 55: ...rrow key to advance to Cal 20mA out or repeat above if necessary Connect ammeter to TB1 15 TB1 16 Press enter To trim 20mA output Press CLEAR to enable editing and enter the current reading that is on...

Страница 56: ...counter to verify input Press Menu key to return to Pulse input test top level menu Press Enter to test the analog output To simulate analog output Connect an ammeter to TB1 15 TB1 16 Press the key un...

Страница 57: ...should output the selected frequency Press Menu key to return to Pulse out test top level menu Press Enter to test the relays To manually control the relay outputs Press the key under the desired rela...

Страница 58: ...battery voltage The display will show the battery voltage Replace battery at 2 5 VDC or below Press Menu key to return to battery voltage test top level menu Press Enter to use data logger utility Th...

Страница 59: ...along the joint where the two sections connect With the rear section of the case removed the fuse will be exposed located near the rear terminal AC connection 7 Locate the Fuse F1 see fig 2 and unplug...

Страница 60: ...t 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 a remote contact closure or upon completio...

Страница 61: ...ol manual for FC 21 10 3 Operation of Serial Communication Port with PC The flow computer s RS 485 channel supports a number of Modbus RTU com mands Refer to port pinout below for wiring details Modbu...

Страница 62: ...patible with 386 or higher class microprocessor 4 MB RAM 3 MB free disk space VGA or higher color monitor at 640 x 480 Microsoft Windows 3 1 or 3 11 or Windows 95 Communication Port RS 232 RS 232 Cabl...

Страница 63: ...m would be the following Open up a predefined template from the supplied list Choose Save As to save this to a new file name Proceed to customize the template by making any changes that are needed Sav...

Страница 64: ...collapsed and data in the group changes on refresh the group will automatically expand Changing the view items requires stopping the current viewing checking the new selections and then restarting th...

Страница 65: ...ensing of desired batch amounts Liquid batching systems are usually comprised of a batch controller batcher flowmeter and control valve The batcher opens and closes the valve through the use of relays...

Страница 66: ...mination Input signal lines on digital inputs often require pullup or pulldown resistor configurations to operate properly with different sensor configurations The FC 21 contains such resistors and ma...

Страница 67: ...a square law relationship to flow Parity A method for detecting errors in transmissions of serial communications data Preset A set point used to trigger the relay outputs of the FC 21 Print Interval...

Страница 68: ...rator activation of the START key or Control Input 1 will reset the total then start the batch process Single_Pulse The Single_Pulse setting is used for flowmeters with single pulse outputs Slow Start...

Страница 69: ...cations which occur during operation are indicated in the RUN mode alternately with the measured values The FC 21 Flow Computer has three types of error Some alarms are self clearing Other alarms requ...

Страница 70: ...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 The display may not be visible with ambient te...

Страница 71: ...sensor Check wiring Check function of RTD sensor Report error to factory Check application conditions Check wiring Adjust pulse value Adjust pulse width Check process conditions Check application if n...

Страница 72: ...igital converter The correct time date is no longer shown Calibration constants have been corrupted The units setup has been corrupted Remedy Check analog signal range Check the application conditions...

Страница 73: ...AYS 1 2 3 4 RELAY DURATION RELAY SETPOINT RELAY USAGE RELAY DELAY SETUP RELAYS RELAY HYSTERESIS RELAY MODE SETUP REAL TIME CLOCK ENTER DATE SELECT CLOCK AM PM TIME OF DAY SETUP REAL TIME CLOCK MODEM C...

Страница 74: ...shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA...

Страница 75: ...33 0 130 621 400 FAX 33 0 130 699 120 Toll Free in France 0800 4 06342 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9398 0 FAX 49 0 7056 9398 29...

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