Contrec 515 Operation Manual
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Contrec 515 Operation Manual

Add or subtract flow computer for mass applications
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Model 515 Flow Computer
Operation Manual
Application FA02
Add or Subtract Flow Computer
for
Mass Applications
18 June 2017

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Summary of Contents for Contrec 515

  • Page 1 Model 515 Flow Computer Operation Manual Application FA02 Add or Subtract Flow Computer Mass Applications 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 Disconnection Device When powered from a mains supply this unit requires the provision of a suitable mains isolation device to be accessible near to the installed instrument. 515 FA02 - 18 June 2017 515 FA02 - 18 June 2017...
  • Page 4 515 FA02 - 18 June 2017...

  • Page 5: Table Of Contents

    RS-232 Port RS-485 Port (Optional) Earthing and Shielding 4 Operation Normal Operation Default Total Status LEDs Front Panel Keys Main Menu Items Peak Flowrates Data Logs Model Information 5 Instrument Calibration Introduction Calibration View Mode 515 FA02 - 18 June 2017...
  • Page 6 Printer Protocol Types of Printouts Printer Data Control Appendix A Glossary Glossary Appendix B Model Numbers Product Codes Custom Version Codes Application Information Code Appendix C Units of Measurement Available Units of Measurement Index 515 FA02 - 18 June 2017...
  • Page 7 Output 4-20 mA Connection Diagram Output Pulse Connection Diagram Relay Connection Diagram RS-485 Interface Connections Logged Data Display Methods Calibration Menu Tree Sheet 1 Calibration Menu Tree Sheet 2 RS-232 Cable Connections to a Computer RS-485 Connections 515 FA02 - 18 June 2017...
  • Page 8 515 FA02 - 18 June 2017...

  • Page 9: Features

    • Backlit display Overview The 515 FA02 application pack is an add or subtract flow computer that is tailored specifically for mass measurement. It can perform either addition or subtraction on two frequency inputs or on two analog inputs. The flow computer is suitable for accepting signals directly from flowmeters or for collecting re-transmitted signals from other flow computers providing a resultant rate and total.

  • Page 10: Calculations

    The analog inputs in this instrument are scaled by the following general formula:     A*  P min P max P min – where: = minimum point (equivalent to offset) = maximum point (P – P is equivalent to span) 515 FA02 - 18 June 2017...

  • Page 11: Displayed Information

    Communications There are two communication ports available as follows: • RS-232 port • RS-485 port (optional) The ports can be used for remote data reading, printouts and for initial application loading of the instrument. 515 FA02 - 18 June 2017...

  • Page 12: Isolated Outputs

    30 years retention. Frequency Input 1 Frequency Input 2 or Analog Input 3 or Analog Input 4 Channel 1 Flow Flowmeter or retransmitted signals Channel 2 Flow Figure 1 Typical Application Diagram 515 FA02 - 18 June 2017...

  • Page 13: Limitations Of Use

    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 14 Introduction 515 FA02 - 18 June 2017...

  • Page 15: Specifications Specification Table

    0.05% full scale (20  C) Accuracy 0.1% (full temperature range, typical) Battery Type 3 volts Lithium button cell (CR2032) Battery Life 5 years (typical) Logic Inputs Signal Type CMOS, TTL, open collector, reed switch Overvoltage 30V maximum 515 FA02 - 18 June 2017...
  • Page 16 9 to 30 volts DC external Resolution 0.05% full scale Accuracy 0.05% full scale (20C) 0.1% (full temperature range, typical) Important: Specifications are subject to change without notice. Printer protocol is available only if RTC option is installed. 515 FA02 - 18 June 2017...

  • Page 17: Installation Panel Mounting

    RS232 Rear Connectors Port 22 mm 25 mm 145 mm 138 mm Front Panel Mounting Clip Min. 189 mm 67 mm 70 mm 139 mm 147 mm Panel Cut-out 500 Series Instrument Panel Mounting 515 FA02 - 18 June 2017...

  • Page 18: Rear Panel Connections

    + DC power input DC power in 12-28V R4 Relay 4 18 SH E Shield terminal RS232 port 9-pin serial port E Mains ground AC power in 100- N Mains neutral MAINS 240VAC A Mains active 515 FA02 - 18 June 2017...

  • Page 19: Inputs

    Reed Relay Switch Frequency Input (FINPn) Signal Ground 18 Shield Coils - with 15 millivolts peak to peak AC minimum Frequency Input (FINPn) Signal Ground Shield Namur Proximity Switch Vo +8V DC Frequency Input (FINPn) Shield 515 FA02 - 18 June 2017...

  • Page 20: Externally Powered Voltage Transmitter

    Shield Figure 3 Externally Powered Voltage Transmitter Connect internally powered voltage transmitters as shown in Figure 4. Vo +8...24V DC Signal Transmitter Analog Input (AINPn) DC ground Shield Figure 4 Internally Powered Voltage Transmitter 515 FA02 - 18 June 2017...

  • Page 21: Externally Powered Current Loop

    300ms is required to guarantee reading of an input. It is possible to read the status of all the logic inputs via a Modbus register even if they are not used for a control purpose in the application. 515 FA02 - 18 June 2017...

  • Page 22: Outputs

    27 (+) and 28 (-), output channel 2 uses terminals 29 (+) and 30 (-). Maximum Load Resistance = (Supply-9) / 0.02 ohms 4-20 mA DC supply Output 9...24V (OUTn) Load Shield Figure 8 Output 4-20 mA Connection Diagram 515 FA02 - 18 June 2017...

  • Page 23: Pulse Output Connection

    The output characteristics of the relays are: Maximum Voltage 30 volts DC or 250 volts AC Maximum Current Note: Solid state relays use AC voltage only. 515 FA02 - 18 June 2017...

  • Page 24: Rc Network For Interference Suppression

    The basic principle of the operation is that the capacitor prevents a series of sparks arcing across the contact as the contact breaks. The series resistor limits the current through the contact when the contact first makes. 515 FA02 - 18 June 2017...

  • Page 25: Communications

    Up to 32 units can be connected to a common RS-485 bus. Each unit has a unique address that the host computer uses to identify each instrument. Figure 11 shows the connection of several instruments to a computer using the RS-485 port. 515 FA02 - 18 June 2017...

  • Page 26: Earthing And Shielding

    Overall earth should be connected at the instrument end only. This connection should be as short as possible and connected to the earthing point on the rear terminal at pin 18. 515 FA02 - 18 June 2017...

  • Page 27: Operation Normal Operation

    The host computer is downloading the application software. The instrument is in Calibrate Set mode. Alarm Alarm The instrument has an error, as indicated on the display panel. The instrument is in Calibrate View mode. 515 FA02 - 18 June 2017...

  • Page 28: Front Panel Keys

    Channel 2 total Hold the key to display accumulated total ACCUM FLOW2 Channel 2 flowrate Hold the key to display peak value ACCUM RSLT-T Resulting total Hold the key to display accumulated total ACCUM 515 FA02 - 18 June 2017...

  • Page 29: Peak Flowrates

    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. 515 FA02 - 18 June 2017...

  • Page 30: Logged Data Display Methods

    … DISPLAY … Hold … show the values for Variable 2 a log entry Variable 1 DISPLAY and press Hold Error code display the main menu variables Figure 12 Logged Data Display Methods 515 FA02 - 18 June 2017...

  • Page 31: Model Information

    This example 2016 shows 16:15 (4:15pm) on the 27th August 2016. This function is available only if the instrument has the real time clock option. Press at any time to exit from the Model information. 515 FA02 - 18 June 2017...
  • Page 32 Operation 515 FA02 - 18 June 2017...

  • Page 33: Instrument Calibration Introduction

    • Press to return to the main calibration menu. DISPLAY to scroll to the END 3. To exit from the Calibration View mode, press option and press The instrument returns to Normal Operation mode. 515 FA02 - 18 June 2017...

  • Page 34: Calibration Set Mode

    END, then press . Otherwise, from any menu, you can press and hold for two seconds. The instrument makes two beeps and cancels the Cal and Set indicators. Alarm 515 FA02 - 18 June 2017...

  • Page 35: Changing The Instrument Settings

    Units of Measurement The calibration of some parameters is based on the units that are defined for the relevant variables. These units of measurement can been viewed in the UNITS menu in calibration below. 515 FA02 - 18 June 2017...

  • Page 36: Calibration Menu Tree Sheet

    TYPE PT-MIN WIDTH FACT01 FACTn PT-MAX PULSE POINT HYST AINP3/4 FLOW1/2 TYPE 4-20 0-5 /1-5V PT-MIN PT-MAX CUTOFF FILTER CORR LINEAR NON-LIN NO-PTS INP-01 INP-n OUT-01 OUT-n Figure 13 Calibration Menu Tree Sheet 1 515 FA02 - 18 June 2017...

  • Page 37: Calibration Menu Tree Sheet

    I/O assignment position to move to the next I/O assignment in the submenu (eg pressing on ALRM1 will move you to ALRM2 if it exists) Figure 14 Calibration Menu Tree Sheet 2 515 FA02 - 18 June 2017...

  • Page 38: Instrument Settings

    YES, then press the key. The instrument makes three beeps to confirm the reset command. The message -RESET- PLEASE WAIT will be displayed as the instrument exits calibration mode and completes a full re-boot sequence. 515 FA02 - 18 June 2017...

  • Page 39: Parameters

    Note: When the debounce circuit is enabled, the maximum input frequency for large amplitude signals is limited to approximately 500 Hz. For low amplitude signals, the maximum frequency can be approximately 200 Hz. Press to select ENABLE or DISABLE. 515 FA02 - 18 June 2017...
  • Page 40 The input filter range is from 0 to 99. A setting of 0 (zero) means that there is no filtering. CORR FINP1 If the input sensor has non-linear characteristics, select NON-LINEAR FINP2 to apply correction factors to the input signal. to select LINEAR or NON-LINEAR. 515 FA02 - 18 June 2017...
  • Page 41 FREQ04 FREQ05 Enter the lowest correction factor frequency as FREQ01 and proceed up to the highest frequency. You can press the key to skip the DISPLAY non-linear points and go to the next item. 515 FA02 - 18 June 2017...
  • Page 42 As a guide to the degree of filtering to use, the following table shows the response time (in seconds) to reach 90% and 99% of a step change in input. The value A is the filter constant that the user can set. 515 FA02 - 18 June 2017...
  • Page 43 This parameter is available for viewing and editing only when the AINP4 correction type is set to Non-linear. Enter the number of non-linearity correction points. Press to select a number between 1 and 20 for the number of correction points. 515 FA02 - 18 June 2017...
  • Page 44 DISPLAY next item. OUT-01 AINP3 This parameter is available for viewing and editing only when the AINP4 correction type is set to Non-linear. OUT- Enter the normalised output value for the correction point. 515 FA02 - 18 June 2017...

  • Page 45: Outputs

    1.000 generates one pulse for . Similarly, a pulse factor of 3.000 generates one pulse for 3 m For more information, see Output Pulse Factor on page 38. The output pulse factor cannot be 0 (zero). 515 FA02 - 18 June 2017...
  • Page 46 50 ms: 1000 -------------- - 10Hz The maximum pulse output frequency is:  2 50 ----- - 7.5Hz The minimum pulse factor for that frequency is: 515 FA02 - 18 June 2017...

  • Page 47: Alarms

    Each alarm is completely independent, e.g. a High alarm does NOT need to have a higher setpoint than the a Low alarm. 515 FA02 - 18 June 2017...

  • Page 48: Communications

    Infra-red Port - Discontinued - Although program settings may be visible in calibration, the required hardware is no longer available. The PROTOC INFRA Infra-red protocol assignment ( ) should be set to NONE INFRA and the remaining settings can be ignored. 515 FA02 - 18 June 2017...
  • Page 49 1 or 2 stop bits. 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. 515 FA02 - 18 June 2017...

  • Page 50: Time Settings And Data Logging

    In this case, you should set the current time and date so that the instrument continues to log data at the correct times. 515 FA02 - 18 June 2017...
  • Page 51 The hourly log entry occurs at 00 minutes each hour. LOGS Set the number of Daily Logs to appear on the printed log report. The daily log entry occurs at 00 hours and 00 minutes each day. 515 FA02 - 18 June 2017...
  • Page 52 Slip printer TM295 • PRN-04 Label (roll) printer - Citizen CMP30L Press to select Printer Type. PRINT ACCUM Select whether the accumulated totals are printed in addition to the non- accumulated totals for printer protocol. 515 FA02 - 18 June 2017...

  • Page 53: General Setup Parameters

    INSTANT - When the user presses the key, the instrument RESET resets all non-accumulated totals. • DELAYED - When the user presses the key and holds it for RESET two seconds, the instrument resets all non-accumulated totals. 515 FA02 - 18 June 2017...

  • Page 54: Test Menu

     TEST UNITS PARAMS INPUTS OUTPUTS ALARMS COMMS TM/LOG SETUP FINP1 The frequency of the input to FINP1 is displayed in Hertz. FINP2 The frequency of the input to FINP2 is displayed in Hertz. 515 FA02 - 18 June 2017...

  • Page 55: System Messages

    The manufacturer or distributor can enter user-defined text for the messages. This user-defined text is displayed, instead of the default (English) messages, when the Display Tags option in the Setup menu is set to USER. 515 FA02 - 18 June 2017...

  • Page 56: Error Messages

    The instrument has set the current log setting to the remaining maximum number. Already Assigned to You have tried to assign a particular protocol type to more than one Other Port serial communication port. The instrument has set the protocol to NONE. 515 FA02 - 18 June 2017...

  • Page 57: Communications Overview

    It is not possible to communicate directly with a printer via a parallel port. Computers use either a DB9 or a DB25 connector, and the connections to each type are shown in Figure 15. 515 FA02 - 18 June 2017...

  • Page 58: Rs-232 Cable Connections To A Computer

    16. Up to 32 units can be connected to the interface at a maximum distance of 1200 metres. Twisted Pair Host Computer Load 120 ohms Comms 19 20 21 19 20 21 Instrument Instrument Figure 16 RS-485 Connections 515 FA02 - 18 June 2017...

  • Page 59: Protocols

    • 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 60 Log Type LH - hourly log LD - daily log LW - weekly log LM - monthly log LY - yearly log LE - last edit log LN - current totals displayed as Non-accumulated 515 FA02 - 18 June 2017...

  • Page 61: Instrument Responses

    Value (aligned right) Unit (aligned left) Item (aligned left) Note: The decimal point in the Value is always at character position 8. Therefore whole numbers are aligned right at the decimal point, with trailing zeroes. 515 FA02 - 18 June 2017...
  • Page 62 1 8 : 2 5 : 0 0 1 2 6 . 4 5 5 V O L U M E 2 0 . 4 3 7 m 3 / M V - F L O W 515 FA02 - 18 June 2017...
  • Page 63 Clear the logs except for the “last edited” log Clear Data Request Example The following message asks the instrument with address 001 to clear the logged data that the instrument stores: : A 0 0 1 : R C L ? 515 FA02 - 18 June 2017...

  • Page 64: Corrupted Or Invalid Requests

    For example, if the instrument received the following request variables message :A001:RVT? it will return only the header because there is no T option for the ‘Variables Request’ message. 515 FA02 - 18 June 2017...

  • Page 65: Modbus Rtu Protocol

    The address of the instrument is programmable in the range from 1 to 247. Some addresses are reserved according to PI-MBUS-300 and have a special meaning: • 0 = Broadcast, no response required from slave devices • 248 to 255 Reserved 515 FA02 - 18 June 2017...

  • Page 66: List Of Data Registers

    The registers are grouped in blocks that relate to a particular function of the instrument. Note: Conventional numbering of registers often starts from 1, therefore be aware that “register 1” in this case has “address 0” and so on. 515 FA02 - 18 June 2017...
  • Page 67 03 - clear non-accumulated totals Reserved * DT = Data Type of 2-register (4 byte) values can be set as Floating Point or Long Integer values † I = Integer (2 bytes) (Holding Registers) 515 FA02 - 18 June 2017...
  • Page 68 22 = new or failed clock battery 23 to 29 reserved 30 = alarm 1 active 31 = alarm 2 active 32 = alarm 3 active 33 = alarm 4 active * I = Integer (2 bytes) (Holding Registers) 515 FA02 - 18 June 2017...
  • Page 69 * I = Integer (2 bytes) (Holding Registers) † L = Long Integer (2 register = 4 bytes) ‡ DT = Data Type of 2-register (4 byte) values can be set as Floating Point or Long Integer values 515 FA02 - 18 June 2017...

  • Page 70: Printer Protocol

    A customized printout can be provided which can have up to 4 header lines and 3 footer lines. It is also possible to include or exclude each main menu items on the printout. If any customizing of the printout is required discuss this with the distributor. 515 FA02 - 18 June 2017...

  • Page 71: Types Of Printouts

    Instrument Serial Number and Unit Tag The instrument serial number and unit tag is the same as the information shown in the Model Info menu. For more details refer to Model Information on page 23. 515 FA02 - 18 June 2017...
  • Page 72 <internally set, indicates report type> Current Date & Time Instrument Serial No. & Tag -------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value <example: total as Accum only> Variable unit value etc. 515 FA02 - 18 June 2017...
  • Page 73 “Data Not Available” will be printed for the missing logs. Custom Header Lines Title of Report Current Date & Time Instrument Serial No. & Tag Data Not Available Custom Footer Lines -------------------------------------------- <separation line> 515 FA02 - 18 June 2017...

  • Page 74: Printer Data Control

    When a communications timeout error has been activated the message COMMS TIMEOUT will be scrolled once, the request to print will be cleared and the instrument will return to its normal mode. 515 FA02 - 18 June 2017...

  • Page 75: Appendix A Glossary Glossary

    A normalised input ranges from 0 to 1.000. For 4-20 mA input, the signal is Input set to 0 at 4 mA and the signal is set to 1.000 at 20 mA. Namur Proximity Switch. Passive Output Requires an external power supply. Signal 515 FA02 - 18 June 2017...
  • Page 76 515 FA02 - 18 June 2017...

  • Page 77: Appendix B Model Numbers Product Codes

    Note: The first character represents the CPU installed (factory use only). The remaining 6 characters only MODEL represent hardware that affects the operation. Note: Example full product part number is 515.111USC-FA02 (This is the number used for placing orders). 515 FA02 - 18 June 2017...

  • Page 78: 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 79 For example, is an instrument with FINP1 (frequency input 1) assigned to a flow input, AINP1 assigned to a temperature input and AINP2 assigned as a pressure input. The other inputs are not used. 515 FA02 - 18 June 2017...

  • Page 80: Appendix C Units Of Measurement Available Units Of Measurement

    E+0, E+3, E+6 (scaling for unitless variable) Length (Level) m, mm, cm, INCH, FOOT Velocity m/s, m/M, m/h, ft/s, ft/M, ft/h Length K-Factor P/m, P/cm, P/INCH, P/FOOT Area , ft Ratio General Input Pressure, Temperature, Density, Length (Level), Factor 515 FA02 - 18 June 2017...

  • Page 81: Index

    FCC default total calculation mode display calibration specifications menu timeout mode set mode timeout time view mode DISPLAY key clock display-only parameter battery date format real-time earthing 515 FA02 - 18 June 2017...
  • Page 82 ACCUM DISPLAY negative flow RATE normal operation RESET TOTAL 515 FA02 - 18 June 2017...
  • Page 83 TOTAL key programmable parameters total, default 515 FA02 - 18 June 2017...
  • Page 84 21, 22 warnings weekly logging yearly logging 515 FA02 - 18 June 2017...

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