Fluidwell C581-P Configuration And Operation Manual

Flow and energy computer for water, saturated or superheated steam, and water-glycol mixtures

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Configuration and

operation manual

C581-P

FLOW AND ENERGY COMPUTER

FOR WATER, SATURATED OR SUPERHEATED STEAM,

AND WATER-GLYCOL MIXTURES

Inputs:

Outputs:

Logging:

Communication:

C-Series - Flow and energy computers

More info: www.fluidwell.com/single-products/C581

Flowmeter pulse signals

Pressure sensor 4-20 mA

Temperature sensor Pt100/500 or 4-20 mA

Configurable analog 4-20 mA, pulse and relays

8 GB memory (10 years of minute values)

RS485, RS232 and USB (Modbus RTU protocol)

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Summary of Contents for Fluidwell C581-P

Page 1 Temperature sensor Pt100/500 or 4-20 mA Outputs: Configurable analog 4-20 mA, pulse and relays Logging: 8 GB memory (10 years of minute values) Communication: RS485, RS232 and USB (Modbus RTU protocol) C-Series - Flow and energy computers More info: www.fluidwell.com/single-products/C581...
Page 2: Table Of Contents
Configuration and operation manual C581-P TABLE OF CONTENTS ABOUT THIS MANUAL......................How to use this manual ....................Use of pictograms ......................Abbreviations ........................Warranty and technical support ..................Model Reference ......................SAFETY ............................ Personal safety ....................... End-user responsibilities....................Potential equipment damage ..................
Page 3: About This Manual
ABOUT THIS MANUAL HOW TO USE THIS MANUAL This configuration and operation manual is divided into two main parts: ● The daily use of the C581-P is described in . These instructions are Section 4: Operation [p. 10] meant for users / operators.
Page 4: Warranty And Technical Support
Digital output signal (with the number of the output signal DO1, DO2) Relay Platinum resistance temperature sensor WARRANTY AND TECHNICAL SUPPORT For warranty and technical support on your Fluidwell products, visit our internet site www.fluidwell.com or contact us at support@fluidwell.com. MODEL REFERENCE Hardware version: CM210104, CD110105 Software version: 01.01.01...
Page 5: Safety
C581-P Configuration and operation manual SAFETY PERSONAL SAFETY Risk of electric shock: a live unit may only be opened by trained and authorized technicians. ● Immediately inform the person responsible for the installation if you disagree with the safety precautions or if you detect errors or danger.
Page 6: Introduction
Fig. 1: The C581. This manual describes the daily use and configuration possibilities of the unit, with pulse/frequency inputs from the flowmeter. The following figure shows the C581-P used in a typical application. 2 alarm / pulse outputs 2 analog outputs...
Page 7: Product Features
C581-P Configuration and operation manual Overview in- and outputs of C5 Series family Inputs Outputs Flow Model Medium Flow Press. Temp. Analog channels Digital Digital Relays C561 Liquid P type: 1 type OR: 2 type AI:1 - A type: 3...
Page 8: In- And Outputs
● Pulse / frequency flow signals from mechanical or electronic flow meters. ● Analog input and output signals can be set to ‘Active’ (i.e. loop powered by the C581-P) or ‘Passive’(i.e. loop is externally powered). Refer to the C5-Series Installation Manual for setting instructions.
Page 9: Typical Applications
C581-P Configuration and operation manual TYPICAL APPLICATIONS Single stream flow measurement temperature sensor pressure sensor flow meter Fig. 3: Typical application - Single stream flow measurement Applicable for: ● Standard situations where a flowmeter has just one output signal and temperature and pressure are measured or fixed.
Page 10: Operation
Configuration and operation manual C581-P OPERATION This chapter describes the daily use of the C581-P, generic screen views and navigation. These instructions are aimed at all personnel working with the device. CONTROL PANEL The device is provided with 6 rugged silicon keys. The following keys are available.
Page 11: Screen Explanations
C581-P Configuration and operation manual Actual Base Menu Selection Edit Errors & Button Touch selection Logging screen screen screen screen warnings screen Enter Go to Confirm selection, selected selection back to selected value submenu or screen / screen value edit screen...
Page 12: Menu Screen
Configuration and operation manual C581-P Date and time Configurable text or code Icons (errors, warnings, communication) in selectable format Selected parameters in configurable font size and units of measurement Help line for button actions User definable tag number or station name Fig. 6:...
Page 13: Selection Screen
C581-P Configuration and operation manual Actual selection screen This screen displays the current value of the selected setting. Fig. 9: Actual selection screen Selection screen Shows the available choices for the selected setting. Fig. 10: Selection screen Edit value or text screens Fig. 11:...
Page 14: Operating Modes
Configuration and operation manual C581-P OPERATING MODES Operator mode In Operator mode the base screen is shown, and the operator can browse through the menu and check all measured and calculated values. However, settings cannot be changed, indicated by the closed lock symbol in the upper right corner of the screen.
Page 15: Errors And Warnings
C581-P Configuration and operation manual Fig. 14: Location of the Lock switch and the FW Update switch ERRORS AND WARNINGS When an error or warning is active, this is indicated by a symbol on the base screen. When errors and warnings are active at the same time, the error symbol is shown.
Page 16: Configuration
Configuration and operation manual C581-P CONFIGURATION CONFIGURATION GUIDELINES Detailed aspects of the configuration of the C581-P are explained in chapters Section 5.4: System . A guideline is settings menu [p. 19] Section 5.5: Measurement & calculation settings [p. 23] given in Section A: Configuration guidelines [p. 36] Settings and values are not checked on validity for specific standards! The C581 can often operate beyond boundaries set in some standards.
Page 17: Values Menu
C581-P Configuration and operation manual Select communication settings. SETUP COMMUNICATION TEST OR RESTART Command the device to test or restart. DEVICE 2.10 SETUP COUNTERS Change counter settings (protected by the LOCK- switch – see Section 4.3: Operating modes [p. 14] 2.11 SYSTEM STATUS Stop counting and logging (protected by the LOCK- switch –...
Page 18: Logged Values
Configuration and operation manual C581-P Example screen 1.1.5 Fig. 18: Example of a screen with primary I/O values In case of erroneous signals the applicable line indicates the kind of error. This is especially the case when sensors are disconnected, out of range or not enabled when they should be enabled (in case of the application of stacked dP sensors).
Page 19: System Settings Menu
2.1.3. MENU DEVICE INFORMATION 2.1.1 MODEL NUMBER Model number of your C-Series. 2.1.2 SERIAL NUMBER Serial number of your C581-P. 2.1.3 IDENTIFICATION User definable unit identification (station name, tag number, ...) (USER) 2.1.4 HARDWARE Hardware code of main board. VERSION (M) Hardware code of secondary board (located in front door).
Page 20: Setup Data Logging
Configuration and operation manual C581-P Sets time period between last button touch when in one of the 2.2.3 RETURN TO BASE SCREEN TIMEOUT menus, and automatic return to the base screen. Options are 10, 30, 60 min., 2, 4, 8, 12 hours Examples of base screen with different font size Fig. 21:...
Page 21: Setup Security
C581-P Configuration and operation manual Examples of different date and time formats Shown is the upper left part of the base screen. Left: DD-MM-YYYY 24 hour; middle: YYYY-MM-DD 24 hour; right: MM-DD-YYYY 12 hr Fig. 22: Different date and time formats.
Page 22: Setup Communication
Configuration and operation manual C581-P 5.4.8 SETUP COMMUNICATION SETUP COMMUNICATION 2.8.1 SETUP COM1 Complete the following for each of the available communication ports. 2.8.2 SETUP COM2 1. Address 0..247 2. Baudrate select from 9600, 19200, 38400, 57600, 115200 3. Databits 4.
Page 23: System Status
C581-P Configuration and operation manual The following menu items are only applicable when Heat Exchanger with Fixed Inlet Conditions is set at MENU 3.1.1 [p. 23] 2.10.1.9 SET E HEATING The value indicated in the visible counter (E heating) can be changed COUNTER VALUE here.
Page 24 Configuration and operation manual C581-P Pulse / frequency input channel 1 (HF1). Refer to 3.2.9 PULSE / Section 5.5.2.4: FREQUENCY HF1 Pulse / frequency input HF1 [p. 26] 3.2.11 DIGITAL INPUT DI3 Open submenu discussed in Section 5.5.2.5: Digital inputs DI3..DI4 [p.
Page 25 C581-P Configuration and operation manual The following menu items are only available when User factors is selected in 3.2.1.17. MENU 3.2.1.18 CVD: R ZERO Calibrated resistance value of the sensor at 0°C, determined during DEGREES calibration. 3.2.1.19 CVD: FACTOR A Factor A of the C.v.D.
Page 26 Configuration and operation manual C581-P 5.5.2.4 PULSE / FREQUENCY INPUT HF1 3.2.9 PULSE / FREQUENCY HF1 3.2.9.1 ENABLE / DISABLE Enables or disables the pulse input HF1. Please select Disable when no sensor is fitted. 3.2.9.2 PARAMETER Select HF1. INDICATION 3.2.9.3...
Page 27: Channel 1
C581-P Configuration and operation manual Select identification of input: DI3. Note: in 2.2.12.2 select DI4. 3.2.11.2 PARAMETER MENU INDICATION 3.2.11.6 SETUP INPUT LOGIC Select if input is normally closed or normally open. NC: Normally Closed, activated by disconnection ● NO: Normally Open, activated by connection.
Page 28: Setup Temperature
Configuration and operation manual C581-P 5.5.3.1 UNITS OF MEASUREMENT 3.3.2 UNITS OF MEASUREMENT 3.3.2.5 UNITS BAROMETRIC Enter the customer units of measurement used in this channel as PRESSURE well as the base conditions for this channel. Please refer to for an Section C: Units of Measurement [p.
Page 29 C581-P Configuration and operation manual 5.5.3.4 SETUP DENSITY CALCULATION 3.3.6 SETUP DENSITY CALCULATION 3.3.6.1 SETUP DENSITY Enter submenu for setting (general/outlet) density calculation. (GENERAL) 3.3.6.2 SETUP DENSITY Enter submenu for setting inlet density calculation when Heat (INLET) exchanger is selected in MENU 3.1.1 [p.
Page 30: Display Values
Configuration and operation manual C581-P 5.5.3.6 FLOW CALCULATION SETUP 3.3.8 SETUP FLOW CALCULATION 3.3.8.1 PRIMARY FLOW Fixed at Pulse / frequency signal. SIGNAL 3.3.8.2 SETUP PULSE INPUT Fixed at Pulse input. Opens 3.3.8.2.1. MENU 5.5.3.6.1 SETUP PULSE INPUT 3.3.8 2 SETUP PULSE INPUT 3.3.8 2.1...
Page 31: Outputs
C581-P Configuration and operation manual 5.5.4.1 CHANNEL 1 SETUP 3.7.1 CHANNEL 1 SETUP 3.7.1.1 PARAMETER 1 Select a value which should be displayed in the base screen. No value ● Mass flow ● Volume flow ● Power ● Power inlet ●...
Page 32 Configuration and operation manual C581-P 5.5.5.1 DIGITAL OUTPUT DO1, DO2 3.8.2 Digital output DO2 is fully equivalent to 3.8.1 Digital output DO1. MENU MENU For reasons of clarity, only the first menu is explained here. 3.8.1 DIGITAL OUTPUT DO1 3.8.1.1 ENABLE / DISABLE Enables or disables the use of digital output DO1.
Page 33 C581-P Configuration and operation manual With HFcounter = the frequency of the increase of the associated counter with 1 unit [Hz] HFrequired = HFcounter x multiplication factor [Hz] Pl = pulse length [ms] Pp = pause time between pulses [ms]...
Page 34: Protected Functions And Settings
Configuration and operation manual C581-P The current entered here (in mA) will immediately be generated on 3.8.5.5 TEST CURRENT output AO1. When this menu item is left, the output current will be reset to the output corresponding to the inputs and settings of the device.
Page 35: Firmware Update
C581-P Configuration and operation manual FIRMWARE UPDATE Firmware updates can be done by means of a PC connected to the C581 via the USB port. To prepare the device for an update the firmware download switch must be set to the ON position before re-powering the device.
Page 36: Appendix A - Configuration Guidelines
Configuration and operation manual C581-P APPENDIX A - CONFIGURATION GUIDELINES The use of the Remote Configuration Tool greatly facilitates configuration. To start configuration, set the Configuration Switch to ON (see Section : Operating modes [p. 14] The open lock icon is displayed in the base screen, and the word configuration is shown in the upper left corner of any menu screen.
Page 37 C581-P Configuration and operation manual Main measurement and calculation settings Configuration by PC configuration Action Configuration by user interface software AI1, AI2, ...AIx - For every analog input please follow ../Inputs/ Analog inputs (generic, this sequence. For reasons of Please follow this sequence.
Page 38 Configuration and operation manual C581-P Channel 1 Configuration by PC configuration Action Configuration by user interface software Units of Measurement ..Channel 1/Units of Measurement MENU 3.3.2 [p. 27] Complete base conditions and Complete base conditions select UOM’s to be displayed. Select UOM’s that you want to be displayed.
Page 39 C581-P Configuration and operation manual Additional settings Configuration by PC configuration Action Configuration by user interface software Password settings System settings/Security 2.5 [p. 21] MENU (setup security) Communication System settings/Communication 2.8 [p. 22] MENU settings Channel designation Measurement and calculation MENU 3.3.1 [p. 27]...
Page 40: Appendix B - Media Table Numbers
Configuration and operation manual C581-P APPENDIX B - MEDIA TABLE NUMBERS Heating Density Compress- Specific Enthalpy Saturation value ibility heat pressure capacity Parameter psat [kg/m [kg/(kg K) [kJ/kg] [kPa(abs)] [kJ/kg] Water Saturated steam Superheated steam Water- Ethylene Glycol 30% Water...
Page 41: Appendix C - Units Of Measurement
C581-P Configuration and operation manual APPENDIX C - UNITS OF MEASUREMENT The units of measurement (UOM’s) for inputs, expression at the display, and for logging, can be selected by the user. Internal calculations however, use SI units. Below a list of selectable UOM’s is provided, and the conversion factors applied for the internal UOM’s.
Page 42 Configuration and operation manual C581-P Mass flow Internal UOM: kg/h kg/day 1 [kg/day] = 0.041666667 [kg/h] kg/min 1 [kg/min] = 60 [kg/h] kg/s 1 [kg/s] = 3600 [kg/h] 1 [g/h] = 0.001 [kg/h] g/min 1 [g/min] = 0.06 [kg/h] 1 [g/s] = 3.6 [kg/h] t(m)/day 1 [t(m)/day] = 41.66666667 [kg/h]...
Page 43 C581-P Configuration and operation manual Volume Internal UOM: m3 1 [l] = 0.001 [m 1 [ACF] = 0.0283168466 [m MACF 1 [MACF] = 28.3168466 [m MMACF 1 [MMACF] = 28316.8466 [m gal (US) 1 [gal (US)] = 0.0037854118 [m bbl (US) 1 [bbl (US)] = 0.1192404712 [m...
Page 44: Appendix D - Error And Warning Codes
Configuration and operation manual C581-P APPENDIX D - ERROR AND WARNING CODES Error codes E010 Error AI1 E908 Error reset request E011 Error AI1 disconnected E912 Error RTC time lost E020 Error AI2 E913 Error RTC stopped E021 Error AI2 disconnected...
Page 45: Warning Codes
C581-P Configuration and operation manual Warning codes W010 Warning AI1 low W390 Warning counter CRC W011 Warning AI1 high W430 Warning DO1 W020 Warning AI2 low W440 Warning DO2 W021 Warning AI2 high W801 Any input warning W030 Warning AI3 low...
Page 46: Appendix E - Output Signals - Selectable Parameters
Configuration and operation manual C581-P APPENDIX E - OUTPUT SIGNALS - SELECTABLE PARAMETERS Parameters for analog output signals Parameter indication Description Mass flow Volume flow Power Pdiff Power difference (Pout – Pin) *) Temperature t inlet Temperature at inlet *)
Page 47: Appendix F - Menu Map
C581-P Configuration and operation manual APPENDIX F - MENU MAP FW_C581-P_MC_v0101-01_EN Page 47...
Page 48 Configuration and operation manual C581-P Page 48 FW_C581-P_MC_v0101-01_EN...
Page 49: Appendix G - Legal Information
EU De cla tio n of Conformi Fluidwell 5 C ‒Series indicators he , May 2022 We, Fluidwell BV, declare under our s e ol respons ibility that the 5 C ‒Series indicators are de igne d and will operate conform the following applicable European...
Page 50 Configuration and operation manual C581-P NOTES Page 50 FW_C581-P_MC_v0101-01_EN...
Page 51 C581-P Configuration and operation manual FW_C581-P_MC_v0101-01_EN Page 51...
Page 52 Fluidwell bv P.O. Box 6 Voltaweg 23 Website: www.fluidwell.com 5460 AA Veghel 5466 AZ Veghel Find your nearest representative: www.fluidwell.com/representatives the Netherlands the Netherlands © Copyright 2025 - FW_C581-P_MC_v0101-01_EN...

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