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Contrec 500 Series Operation Manual

Heat calculator - flow computer for stacked differential pressure volumetric flowmeters, application
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Model 515 Flow Computer
Operation Manual
Application HC06
Heat Calculator - Flow Computer
for
Stacked Differential Pressure Volumetric Flowmeters
18 June 2017

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Summary of Contents for Contrec 500 Series

  • Page 1 Model 515 Flow Computer Operation Manual Application HC06 Heat Calculator - Flow Computer Stacked Differential Pressure Volumetric Flowmeters 18 June 2017...
  • Page 2 Should any questions arise which cannot be answered specifically by this manual, they should be directed to Contrec Limited for further detailed information and technical assistance. Contrec Limited will not accept any liability for either direct or consequential damages resulting from the use or misapplication of the contents of this manual.

  • Page 3: Safety Notice

    Static Hazard The 500 series flow computer uses high speed CMOS circuitry which is sensitive to static damage. The user should observe accepted safety practices for handling electronic devices, especially during servicing. Once the unit is installed, grounded and interconnected, the chances of static damage are greatly reduced.
  • Page 4 515 HC06 - 18 June 2017...
  • Page 5 Contents 1 Introduction Features Overview Operation Modes Calculations Analog Input Scaling Displayed Information Main Menu Variables Communications Isolated Outputs Relay Outputs Software Configuration Temperature Input Types Limitations of Use Approvals 2 Specifications Specification Table 3 Installation Panel Mounting Electrical Connection Rear Panel Connections Terminal Designations Inputs...
  • Page 6 Changing the Instrument Settings Calibration Menu Tree Instrument Settings Units of Measurement Parameters Inputs Outputs Alarms Communications Time Settings and Data Logging General Setup Parameters Test Menu System Messages Error Messages Warning Messages 6 Communications Overview Hardware Interconnection Protocols Simple ASCII Protocol Requests Format Instrument Responses Corrupted or Invalid Requests...

  • Page 7: Table Of Contents

    List of Figures Typical Application Diagram Rear Panel Connections Externally Powered Voltage Transmitter Internally Powered Voltage Transmitter Externally Powered Current Loop Internally Powered Current Loops RTD Connection Logic Inputs Connection Diagram Output 4-20 mA Connection Diagram Output Pulse Connection Diagram Relay Connection Diagram RS-485 Interface Connections Logged Data Display Methods...
  • Page 8 viii 515 HC06 - 18 June 2017...

  • Page 9: Chapter 1 Introduction

    Chapter 1 Introduction Features • Suited for heating and/or cooling operation • Uses IAPWS-IF97 to determine water properties • Selection of common industry fluids using internal tables • Facility for user defined Enthalpy and Density table • Tailored for differential pressure meters with single or stacked transmitters •...

  • Page 10: Operation Modes

    Introduction Operation Modes This instrument can be used for various heating and cooling energy delivery systems by selection one of the following operation modes in calibration: • HEAT - Heating mode is used when the application is for heating only and assumes that the Feed Temperature will always be higher than the Return Temperature (positive t).

  • Page 11: Analog Input Scaling

    Introduction where:  = density at flow conditions flow = Specific enthalpy at feed temperature = Specific enthalpy at return temperature Differential Pressure Equations The generic differential pressure formula for flow is as follows:  c    ----- - f A ...

  • Page 12: Displayed Information

    Introduction = maximum point (P – P is equivalent to span) = normalised signal (0 to 1) with correction applied for a flow input Correction Type • LINEAR: when the instrument is not required to apply correction • NON-LINEAR: when the instrument applies correction from the points in the correction table •...
  • Page 13 Introduction The ports can be used for remote data reading, printouts and for initial application loading of the instrument. Isolated Outputs The opto-isolated outputs can re-transmit any main menu variable. The type of output is determined by the nature of the assigned variable. Totals are output as pulses and rates are output as 4-20 mA signals.
  • Page 14 Introduction Figure 1 Typical Application Diagram Limitations of Use Fluid Types The instrument can calculate the energy and mass in a heating and/or cooling system for a selection of common industry fluid types. When used on a water based system, the energy calculations are based on the IAPWS Industrial Formulation (1997).
  • Page 15 Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits. Contrec Ltd is not responsible for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment.
  • Page 16 Introduction 515 HC06 - 18 June 2017...

  • Page 17: Chapter 2 Specifications

    Chapter 2 Specifications Specification Table Operating Environment Analog Input (General) Temperature -20 °C to +60 °C (conformal coating) Overcurrent 100 mA absolute maximum rating +5 °C to +40 °C (no coating) Update Time < 1.0 sec Humidity 0 to 95% non condensing (conformal Configuration RTD, 4-20 mA, 0-5V and 1-5V input coating)

  • Page 18: Communication Ports

    Specifications Communication Ports Ports RS-232 port RS-485 port (optional) Baud Rate 2400 to 19200 baud Parity Odd, even or none Stop Bits 1 or 2 Data Bits Protocols ASCII, Modbus RTU, Printer* Transducer Supply Voltage 8 to 24 volts DC, programmable Current 70 mA @ 24 V, 120 mA @ 12 V maximum Protection...

  • Page 19: Chapter 3 Installation

    The standard mounting procedure is panel mounting in a cutout that is 139 mm wide by 67 mm high. Two side clips secure the unit into the panel. shows the panel mounting requirements for the 500 Series Instrument. Side View...

  • Page 20: Electrical Connection

    Installation Electrical Connection Rear Panel Connections Figure 2 shows the connections on the rear panel of the instrument. RS232 Port 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 G 1+ 2+ 3+ 4+ C- RC R1 R2 R3 R4 RS485 LOGIC INPUT...

  • Page 21: Analog Input Connections

    Installation Inputs Analog Input Connections All analog inputs can accept DC signals ranging from 0-5V, 1-5V and current signals from 4 to 20 mA. Analog Inputs 1 and 2 (AINP1 / AINP2) can also accept an RTD input (PT100 or PT500) as well as the standard 0-5 V, 1-5V and 4 to 20 mA input. CAUTION Applying levels of input current above the absolute maximum rating (100mA) may cause permanent damage to the input...

  • Page 22: Externally Powered Current Loop

    Installation 4-20 mA Inputs For an externally powered current loop, connect the transmitter to the input terminals as shown in Figure 5. Refer to Terminal Designations on page 12 for specific terminal numbers for this application. Transmitter Analog Input (AINPn) Figure 5 Externally Powered Current Loop The internal overload-protected power supply has sufficient power for three current loops at 24 V DC (more current loops can be supplied by using a...

  • Page 23: Rtd Connection

    Installation Connect RTD inputs as shown in Figure 7. Excitation V (EXC V) Analog Input (AINPn) Analog Input (AINPn) Signal Ground Shield Figure 7 RTD Connection Analog Inputs 1 and 2 (AINP1 / AINP2) are available for RTD connection. Excitation terminal 2 (pin 5) must be used in conjunction with AINP1. Excitation terminal 3 (pin 6) must be used in conjunction with AINP2.
  • Page 24 Installation A remote push-button key can be connected to the Logic Inputs as shown below. Logic Input Signal Ground Figure 8 Logic Inputs Connection Diagram Outputs The advanced option for the instrument provides two opto-isolated output ports. Either or both can be used for 4-20 mA or pulse outputs. CAUTION Due to the dual-purpose nature of the outputs, take care not to set the output as an open collector pulse type signal when...

  • Page 25: Pulse Output Connection

    Installation Pulse Output Connection Figure 10 shows a connection example for a pulse output. Output channel 1 uses terminals 27 (+) and 28 (-). Output channel 2 uses terminals 29 (+) and 30 (-). Vo +8...24V DC External Load Resistor 10K Logic Input Open Pulse Output...

  • Page 26: Rc Network For Interference Suppression

    Installation Relay 1 Relay Common Alarm Supply Relay 2 Alarm Relay 3 Alarm Relay 4 Alarm Figure 11 Relay Connection Diagram RC Network for Interference Suppression When driving highly inductive loads with the relay outputs, it is recommended to use RC suppression networks (often called “Snubbers”) for the following reasons: •...

  • Page 27: Rs-485 Port (Optional)

    Installation Communications The communication protocols are described in Protocols on page 53. RS-232 Port The RS-232 port has a 9-pin DB female connector and has the following pinout: Pin 1 Not used Pin 2 Transmit (TxD) Pin 3 Receive (RxD) Pin 4 Not used Pin 5...

  • Page 28: Earthing And Shielding

    Installation Twisted Pair Host Computer Load 120 ohms Comms 19 20 21 19 20 21 Instrument Instrument Figure 12 RS-485 Interface Connections Earthing and Shielding It is a good practice to use shielded cable for all signal connections to the instrument.

  • Page 29: Chapter 4 Operation

    Chapter 4 Operation Normal Operation In normal operation mode, you press the buttons on the front panel to display the values recorded and calculated by the instrument. There are four categories of information that the instrument can display: • Totals •...

  • Page 30: Front Panel Keys

    Operation Front Panel Keys For most actions with the front panel keys, you can hold a key to scroll through the values or options, instead of repeatedly pressing the key. Press the key to display the rate that is associated with the currently RATE RATE displayed total.
  • Page 31 Operation DISPLAY Description Options  M-FLOW Mass flowrate Hold the key to display peak value ACCUM TEMP-F Feed Temperature TEMP-R Return Temperature TEMP-D Differential temperature REPORT PRINT Only shown if print Hold the key to print log report as defined in option is selected the TM/LOG section of calibration.
  • Page 32 Operation The log entries are recorded at the following times: HOUR 00 minutes each hour 00 hours and 00 minutes each day WEEK 00 hours and 00 minutes each Monday MONTH 00 hours and 00 minutes on the first day of the month YEAR 00 hours and 00 minutes on the first day of the year.
  • Page 33 Operation The following example shows the hourly log number 006 at 15:00 (3:00 pm) on 16 January 2016. The day and month alternate with the year in the bottom right hand corner. 15-00 15-00 LH-006 2016 LH-006 16/01 Figure 13 shows how to display the logged data. any time to exit from the Data Logs Press LH-nnn...

  • Page 34: Model Information

    Operation Model Information The model information items display the hardware, software and application versions of the instrument. This information is mainly for service personnel. DISPLAY Description  2-1--S- The hardware model code. Refer to Product Codes on page 71 for more information. MODEL --ttLH The Application number and the assignment of the...

  • Page 35: Chapter 5 Instrument Calibration

    Chapter 5 Instrument Calibration Introduction You can view or change the settings of the instrument according to the access level for each parameter as set by the manufacturer. There are four levels of access to the parameters as follows: • Not visible - you cannot display or edit the parameter.

  • Page 36: Calibration Set Mode

    Instrument Calibration Calibration Set Mode In Calibration Set mode, you can change the settings of the “programmable” parameters. You must enter the system password to change the setting of the “password-protected” parameters. Use the following procedure to enter Calibration Set mode: to scroll to the CAL MENU prompt.

  • Page 37: Changing The Instrument Settings

    Instrument Calibration Changing the Instrument Settings In Calibration Set mode, the display flashes the item that can be changed. For option settings, the display flashes the complete option. For a numeric parameter, the display flashes one digit at a time, you can change the value of the flashing digit as required, then move the flashing cursor to change another digit.

  • Page 38: Calibration Menu Tree Sheet

    Instrument Calibration Calibration Menu Tree Figure 14 and Figure 15 show the keys for moving around the calibration menu tree in Calibration View or Set mode. Press Continued on next page PARAMS INPUTS OUTPUT ALARMS UNITS AINP3 View/Edit FLUID TYPE ALRM1/2 OUT1 AINP4...

  • Page 39: Calibration Menu Tree Sheet

    Instrument Calibration From previous page Press COMMS TM/LOG TEST SETUP Exit from RS232 AINP1/4 calibration DATE FORM mode DEFAULT TOTAL PROTOC LINP1/4 CLOCK YEAR SUPPLY VOLT BAUD OUT1 CLOCK M-DAY PROCESS OUT2 ON / HI T-OUT MODE PARITY CLOCK H-MIN OFF / LO T-OUT S-BITS...

  • Page 40: Instrument Settings

    Instrument Calibration Instrument Settings Units of Measurement The Units menu allows the units to be viewed and edited if necessary without the reloading of new application software. Any change in units will result in a full reset to initially downloaded settings. Therefore, any required changes to units of measurement should be made before changing any other settings.
  • Page 41 - THERMINOL 55 • USER - Uses custom Temperature vs Density & Enthalpy table (This table is constructed and downloaded from the 500 Series Program Manager). Press to select one of the options. OPER MODE The operation mode allows an instrument to be configured for heating and/or cooling applications.
  • Page 42 Instrument Calibration   PARAMS UNITS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END TEMP-F CORR The feed temperature correction can be used for fine-tuning of measurement. This parameter is added to the feed temperature and is mainly used in cooling systems with RTD temperature sensors. T-CAL Enter the temperature at which the flowmeter has been calibrated.
  • Page 43 Instrument Calibration   INPUTS UNITS PARAMS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END Filter setting A Seconds to reach 90% Seconds to reach 99% of full swing of full swing The input filter range is from 0 to 99. A setting of 0 (zero) means that there is no filtering.
  • Page 44 Instrument Calibration   INPUTS UNITS PARAMS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END INP-01 AINP3 This parameter is available for viewing and editing only when the AINP4 correction type is set to Non-linear. INP- Enter the normalised input value for the correction point. The instrument uses linear interpolation between the correction points.
  • Page 45 Instrument Calibration   INPUTS UNITS PARAMS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END SW-LO AINP3 These parameters are available for viewing and editing only when the SW-HI Stack option is set to Yes. Stacked DP switching is based on the low-range input (AINP3). When the input is less than the SW-LO value, the instrument switches to the low-range input (AINP3).
  • Page 46 Instrument Calibration   INPUTS UNITS PARAMS OUTPUTS ALARMS COMMS TM/LOG SETUP TEST END PT-MIN AINP1 The Minimum Point and Maximum Point parameters are only for 0-5 V, PT-MAX 1-5V and 4-20 mA inputs. PT-MIN AINP2 Enter the value of the measured parameter that corresponds to the PT-MAX minimum input signal level.
  • Page 47 Instrument Calibration   OUTPUTS UNITS PARAMS INPUTS ALARMS COMMS TM/LOG SETUP TEST END PULSE n The Output Pulse Factor is available for viewing and editing only when the assigned variable is a total (pulse output) type. The Output Pulse Factor is the scaling factor for the retransmission of the measured total quantity.
  • Page 48 Instrument Calibration The minimum pulse factor required is determined by: max rate of total ------------------------------------------------------------------ max pulse output frequency For example: To calculate the required pulse factor to avoid losing counts in retransmission if a total counts at a maximum rate of 75 units/sec (Hz) and the required pulse width of a remote counter is at least 50 ms: 1000 -------------- -...
  • Page 49 Instrument Calibration   ALARMS UNITS PARAMS INPUTS OUTPUTS COMMS TM/LOG SETUP TEST END TYPE ALRM n The options available for alarm types are as follows: • HI-NO — High Alarm, Normally Open contacts • HI-NC — High Alarm, Normally Closed contacts •...
  • Page 50 Instrument Calibration Communications The instrument has the following communication ports: • RS-232 Port - A 9-pin female connector on the rear panel of the instrument. • RS-485 Port (optional) - Terminals on the rear panel. • Infra-red Port - Discontinued - Although program settings may be visible in calibration, the required hardware is no longer available.

  • Page 51: Time Settings And Data Logging

    Instrument Calibration   COMMS UNITS PARAMS INPUTS OUTPUTS ALARMS TM/LOG SETUP TEST END DATA The Modbus RTU data format for the 2-register (4-byte) values can be set as either floating point or long integer values. to select FLOAT or INTEGER. ADDR The Modbus RTU protocol address must be in the range of 1 to 247.
  • Page 52 Instrument Calibration Data Logging The instrument will log the main-menu variables if real-time clock option is installed. The logs are at fixed intervals of hours, days, weeks, months and years. The instrument can store a total of 1530 log entries which are distributed over the log intervals as follows: •...
  • Page 53 Instrument Calibration   TM/LOG UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS SETUP TEST END WEEK LOGS Set the number of Weekly Logs to appear on the printed log report. The weekly log entry occurs at 00 hours and 00 minutes each Monday. MONTH LOGS Set the number of Monthly Logs to appear on the printed log report.

  • Page 54: General Setup Parameters

    Instrument Calibration General Setup Parameters   SETUP UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG TEST END DEFAULT TOTAL The instrument displays the default Total when the user presses the key. TOTAL If the display timeout is enabled, the instrument displays the default Total when there is no user action for the period of the display timeout period.
  • Page 55 Instrument Calibration   SETUP UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG TEST END RESET ACCUM The Reset Accumulated Totals function clears all of the accumulated totals and the non-accumulated totals. Press to select YES, then press the key. The instrument makes three beeps to confirm the reset command.

  • Page 56: System Messages

    Instrument Calibration   TEST UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP LINP STATE You can view the state of the logic inputs. If the input is an open contact or inactive it will display HI. If the input is a closed contact or active it will display LO.

  • Page 57: Error Messages

    Instrument Calibration Error Messages Failure of Analog Input Sensor If there is a failure of an analog input sensor for a process parameter such as temperature or pressure, the instrument sets the value of that parameter to 0 and displays the relevant error message. The input sensor and connections need to be inspected and may require replacement.

  • Page 58: Warning Messages

    Instrument Calibration Error Messages Description New/Failed Battery - The real-time clock has lost the correct time because the battery has Set Time failed, or there is a new battery. Set the current time and date (in the TM/LOG menu) to clear the error message and to continue data logging at the correct times.

  • Page 59: Hardware Interconnection

    Chapter 6 Communications Overview This chapter describes the communications between the instrument and another communicating device such as a computer or a printer. You should have relevant information about the devices to which the instrument will be connected. Some connection examples are included in this manual, however, the operation and connection of other devices is outside the scope of this manual.

  • Page 60: Rs-232 Cable Connections To A Computer

    Communications Instrument Computer/Printer Common Optional Optional DB25 Figure 16 RS-232 Cable Connections to a Computer Note: The instrument requires a cable with straight-through connections. Do not use a null modem cable for RS-232 connection to a computer. RS-485 Port The RS-485 port enables communication with multiple devices. Each device has a unique address so that the “master”...

  • Page 61: Simple Ascii Protocol

    • ASCII - In this ASCII protocol each command and response is a string of ASCII characters. This proprietary protocol is developed by Contrec to allow for simple information interchange. The main advantages of this mode are that it allows extended time intervals to occur between characters without causing a timeout error and that messages can be sent and monitored easily with a simple ASCII terminal.
  • Page 62 Communications Each request must include the address and command portions. The underlined section is an optional part of the request string. Address In multipoint communications, each instrument must have a unique address and it is essential in the request for identifying a particular instrument. However, it may be set to 000, for special broadcast commands.

  • Page 63: Instrument Responses

    Communications The number of the log entry is the same as shown on the front panel of the instrument. For example, a request for LH003 would return the data for the log entry two hours prior to the most recent hourly log entry. If the current time is between 9:00 am and 10:00 am, the most recent hourly log LH001 was recorded at 9:00.
  • Page 64 Communications Variables Request The variables request asks the instrument to return the value of one or more requested variables. All totals are transmitted as accumulated totals. Command Description :RVA? Return all variables :RVD? Return the default Total and Rate :RV0? … Return the specific variable.
  • Page 65 Communications Log Request The log request asks the instrument how many logs it stores in the particular timebase. These are the values described in Time Settings and Data Logging on page 43. Command Description :RLH? Return the number of hourly logs :RLD? Return the number of daily logs :RLW?

  • Page 66: Corrupted Or Invalid Requests

    Communications The instrument response would be similar to the following: A 0 0 1 2 0 0 2 / 0 3 / 1 4 1 8 : 2 5 : 0 0 Instrument Information Request The Instrument Information request asks the instrument to return the general information about the model and version codes.

  • Page 67: Modbus Rtu Protocol

    Communications Modbus RTU Protocol Modbus RTU (remote terminal unit) is an industry standard protocol that allows the instrument to be easily interfaced to other communication devices. The instrument implements the Modbus protocol as detailed in the Modicon Modbus Protocol Reference Guide PI-MBUS-300 Rev J (June 1996). Message Format In RTU mode, messages start with a silent interval of at least 3.5 character times.

  • Page 68: List Of Data Registers

    Communications Function Codes The instrument accepts the following function codes: Code Name Description Read data register(s) Obtain the content of one or more 2-byte data registers. Preset data register Preset one 2-byte data register. Read status register Obtain the content of 1-byte status register. Preset data register(s) Preset one or more 2-byte data registers.
  • Page 69 Communications Current and Logged Process Data This block of registers is available for the retrieval of current or logged process data with its matching time and date information. Use the log type and log number to retrieve the logged information from the appropriate register.
  • Page 70 Communications Note: The Floating Point variable is represented in IEEE-754 Floating Point 4-byte format and requires two 2-byte data registers: IEEE-754 Modicon Registers 1st byte low byte (register X) 2nd byte high byte (register X) 3rd byte low byte (register X+1) 4th byte high byte (register X+1) This means that two data registers must be read or written to obtain, or...
  • Page 71 Communications Instrument Control and I/O This block of registers is available in some applications to give access to monitor and/or control some of the instrument. Register Name Comments Read Only or Type Read/Write Reserved Logic Inputs 0 to 15 Binary representation of logic inputs B0 = 0/1 (LSB) input 1 activated/deactivated B1 = 0/1...

  • Page 72: Printer Protocol

    Communications Printer Protocol A printer protocol is available in the 500 Series. It provides the ability to print out live data, individual logged data and to do some report-style printing of logged data. The method of printing these and the format of the printouts is described below.

  • Page 73: Types Of Printouts

    Communications Types of Printouts Live Data The RESET key, when in main menu, is shared as the PRINT key if the printer protocol has been selected. A printout will be initiated whenever this key is pressed. If printing is not required, do not select printer protocol. The format of this printout will be: Custom Header Line 1 Custom Header Line 2...
  • Page 74 Communications Individual Log Data When in the Log Menu and while holding the DISPLAY key to view the data of the log of interest the RESET key can be pressed to initiate a printout of that log entry. The printout will have the time and date stamp corresponding to when the log was taken.
  • Page 75 Communications -------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value <example: total as Accum only> Variable unit value etc. -------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value <example: total as Accum only> Variable unit value...

  • Page 76: Printer Data Control

    Printer Data Control Some printers have limited data buffers and are therefore unable to collect all the print data being transmitted. The 500 Series has the capability of software handshaking. The Xon/Xoff characters can be used by any of the printer types to control the flow of data to ensure that data is not lost.

  • Page 77: Appendix A Glossary

    Appendix A Glossary Glossary ASCII American Standard Code for Information Interchange. For the ASCII protocol, the instrument receives and transmits messages in ASCII, with all command strings to the instrument terminated by a carriage return. Replies from the instrument are terminated with a line-feed and a carriage-return. IAPWS International Association for the Properties of Water and Steam IAPWS-IF97...
  • Page 78 515 HC06 - 18 June 2017...

  • Page 79: Appendix B Model Numbers

    Defines the application software to be loaded into the Application Pack Number HC06 instrument For example: Model No. 515.111USC Displayed on the 500 Series as: 2-1--S- Note: The first character represents the CPU installed (factory use only). The remaining 6 characters only MODEL represent hardware that affects the operation.

  • Page 80: Custom Version Codes

    Custom Version Codes Code Description Factory Default Application Contrec Systems Pty. Ltd. Melbourne Australia Contrec Limited. West Yorkshire UK Origin Code Identifies Contrec - USA, LLC. Pelham AL 35124 USA Distributor Flowquip Ltd. Halifax UK etc. English (Default) German Dutch User Language...
  • Page 81 The Application number identifies the application as in the following examples: • SC01 - steam flow computer for frequency flow meter • GN02 - natural gas flow computer for analog flow meter The Input Assignment type indicates the physical input that is assigned to each input on the instrument.

  • Page 82: Appendix C Units Of Measurement

    Appendix C Units of Measurement Available Units of Measurement The following is a list of the available units of measurement used across the range of 500 Series applications. Units Type Available units of measurement Volume , Km , Ltr, mL,Gal, KGal, MGal, ft...
  • Page 83 Index Numerics codes 0-5V input application information 4-20mA customer version input exception output product number communication connections ACCUM key protocols address, instrument communications 4, 51 alarm menu connection connections equipment failure alarm hysteresis communication relays communications setpoint electrical alarms menu input analog input output...
  • Page 84 earthing electrical connections ACCUM equipment failure alarm DISPLAY error condition, override RATE error messages RESET exception codes TOTAL Exception Status keys, front panel exception, default LEDs, status failure of input limits features temperature flash driver port assignment logged data fluid types viewing format, date logging...
  • Page 85 monthly logging printouts mounting individual logs live data log report normal operation types number product number codes model programmable parameters serial protocol ASCII communication operation mode Modbus RTU operation, normal printer output pulse factor, output connections pulse output 4-20mA pulse pulse factor RATE key outputs menu...
  • Page 86 test menu timeout mode time tm/log menu TOTAL key total, default unit tag units menu version, customer view data logs 23, 24 warnings weekly logging yearly logging 515 HC06 - 18 June 2017...

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