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Contrec 505 Operation Manual

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Model 505 Flow Computer
Operation Manual
LM01
Application
Single Tank Level Monitor
for
Analog Level Sensors
17 June 2017

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Summary of Contents for Contrec 505

  • Page 1 Model 505 Flow Computer Operation Manual LM01 Application Single Tank Level Monitor Analog Level Sensors 17 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

    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. 505 LM01 - 17 June 2017 505 LM01 - 17 June 2017...
  • Page 4 505 LM01 - 17 June 2017...

  • Page 5: Table Of Contents

    RC Network for Interference Suppression Communications RS-232 Port RS-485 Port Earthing and Shielding 4 Operation Normal Operation Mode Default Variable Status LEDs Front Panel Keys Main Menu Items Data Logs Model Information Alarms Menu Operation of Alarms 505 LM01 - 17 June 2017...
  • Page 6 List of Data Registers Printer Protocol Types of Printouts Printer Data Control Appendix A Model Numbers Product Codes Custom Version Codes Application Information Code Appendix B Units of Measurement Available Units of Measurement Index 505 LM01 - 17 June 2017...
  • Page 7 Output 4-20 mA Connection Diagram Output Logic 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 505 LM01 - 17 June 2017...
  • Page 8 505 LM01 - 17 June 2017...

  • Page 9: Overview

    • Backlit display Overview The 505 LM01 application monitors and measures the level of product in a single tank. The instrument uses the 4-20mA signal from a wide range of level sensors, including pressure transmitters, ultrasonic sensors and capacitance probes.

  • Page 10: Calculations

    Main Menu Default Variable Variables Units Type Product Volume Rate Product Level Rate Volume Full % Rate Product Mass Rate Refer to Available Units of Measurement on page 64 for the list of available units. 505 LM01 - 17 June 2017...

  • Page 11: Communications

    Instrument parameters including units of measurement can be programmed in the field, according to the user access levels assigned to parameters by the distributor. All set-up parameters and logged data are stored in non-volatile memory with at least 30 years retention. 505 LM01 - 17 June 2017...

  • Page 12: Limitations Of Use

    – EMC requirements: Industrial Environment. • EN61010:2010 Safety requirements for electrical equipment for measurement, control, and laboratory use. In order to comply with these standards, the wiring instructions in Chapter 3 - Installation must be followed. 505 LM01 - 17 June 2017...
  • Page 13 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 505 LM01 - 17 June 2017...

  • Page 15: Specifications Specification Table

    Pulse/Digital Output Real Time Clock (Optional) Signal Type Open collector, non-isolated Battery Type 3 volts Lithium button cell (CR2032) Switching 200 mA, 30 volts DC maximum Battery Life 5 years (typical) Saturation 0.8 volts maximum 505 LM01 - 17 June 2017...
  • Page 16 24 volts DC internal, non-isolated 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. 505 LM01 - 17 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 505 LM01 - 17 June 2017...

  • Page 18: Electrical Connection

    E Shield terminal R1 Relay 1 RELAYS RC Relay Common R2 Relay 2 E Mains ground AC power in 95-135 V N Mains neutral MAINS or 190-260 V A Mains active RS232 port 9-pin serial port 505 LM01 - 17 June 2017...

  • Page 19: Inputs

    Logic Input Connection These input(s) are designed to be connected to open collector signals or a voltage free contact switch. A minimum activation time of 300ms is required to guarantee reading of an input. 505 LM01 - 17 June 2017...

  • Page 20: Outputs

    Logic Output Connection Figure 7 shows a connection example for a logic control output. Output channel 1 uses terminals 10 (+) and 8 (-). Output channel 2 uses terminals 11 (+) and 8 (-). 505 LM01 - 17 June 2017...

  • Page 21: Control Relays (Alarms)

    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. Relay 1 Relay Common Alarm Supply Relay 2 Alarm Figure 8 Relay Connection Diagram 505 LM01 - 17 June 2017...

  • Page 22: Rc Network For Interference Suppression

    Not used Pin 2 Transmit (TxD) Pin 3 Receive (RxD) Pin 4 Not used Pin 5 Ground Pin 6 Not used Pin 7 Handshake line (CTS) Pin 8 RTS Out Pin 9 Not used 505 LM01 - 17 June 2017...

  • Page 23: Rs-485 Port

    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. 505 LM01 - 17 June 2017...
  • Page 24 Installation 505 LM01 - 17 June 2017...

  • Page 25: Operation Normal Operation Mode

    Press the key to display the current tank level. If there is more than LEVEL LEVEL one level variable, press or hold the key to display the other level LEVEL variables in turn. 505 LM01 - 17 June 2017...

  • Page 26: Main Menu Items

    Hold the key to display the Model information as described in Model Information on page 21. CAL MENU Hold the key to enter Calibration View mode as described in Calibration View Mode on page 25. 505 LM01 - 17 June 2017...

  • Page 27: Data Logs

    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 16/01 505 LM01 - 17 June 2017...

  • Page 28: 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 10 Logged Data Display Methods 505 LM01 - 17 June 2017...

  • Page 29: Model Information

    DISPLAY DISPLAY order of the alarm number. The instrument will exit the alarms menu whenever the keys are pressed or a timeout of 30 LEVEL CONTENTS seconds, with no key presses, expires. 505 LM01 - 17 June 2017...

  • Page 30: Operation Of Alarms

    The alarm will remain active until the alarm condition is no longer true at which point it is automatically cleared and the relay will deactivate, the led will turn off and the message will stop being displayed. 505 LM01 - 17 June 2017...
  • Page 31 Alarm 1 Acknowledged Alarm led solid, Relay deactivated Alarm 2 Acknowledged Lowest priority The key indication that the alarm being scrolled on the display is acknowledged or not is the status of the Alarm led. 505 LM01 - 17 June 2017...
  • Page 32 Operation 505 LM01 - 17 June 2017...

  • Page 33: 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. 505 LM01 - 17 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 505 LM01 - 17 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. 505 LM01 - 17 June 2017...

  • Page 36: Calibration Menu Tree

    DIRECT ACCES CUTOFF HYST A-OUT ALARMS CLEAR FILTER selection ALRM2 VOLUME PT-MIN selection PT-MIN PT-MAX TYPE PT-MAX POINT CONV LINEAR HYST NON-LIN NO-PTS INP-01 INP-n OUT-01 OUT-n REMOTE Figure 11 Calibration Menu Tree Sheet 1 505 LM01 - 17 June 2017...

  • Page 37: Calibration Menu Tree Sheet 2

    Press at any I/O assignment position to move to the next I/O assignment in the submenu (eg pressing on ALRM1 will move you to ALRM2) Figure 12 Calibration Menu Tree Sheet 2 505 LM01 - 17 June 2017...

  • Page 38: Instrument Settings

    LEVEL or PRESSUR. D-CAL unit The calibration density is the density of the product at the time of the tank calibration. This parameter is required only when a pressure sensor is selected. 505 LM01 - 17 June 2017...

  • Page 39: Inputs

    2 as the minimum point. If the source signal is 20 mA at a maximum level of 5m, enter 5 as the maximum point. If the sensor is inverted the value entered for the minimum point will be greater than the value entered for the maximum point 505 LM01 - 17 June 2017...
  • Page 40 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. 505 LM01 - 17 June 2017...
  • Page 41 Non-linear. Enter the number of conversion points required for the normalised level to volume tank strapping table. Press to select a number between 1 and 20 for the number of conversion points. 505 LM01 - 17 June 2017...
  • Page 42 (1.0). Only the points between 0 and 1 are required to be entered and should be entered in ascending order. You can press the key to skip the non-linear points and go to the DISPLAY next item. 505 LM01 - 17 June 2017...
  • Page 43 Press to select NO-1 through NO-5 as the key on the front panel (from left to right) that is set as the remote key input. Select NONE to disable the remote key function. 505 LM01 - 17 June 2017...

  • Page 44: Outputs

    30 to 100 %. At level above the maximum and below the minimum points, the output remains at 20 mA and 4 mA respectively. Alarms Thealarm relay(s) can be assigned to rate variables such as level, or set as an equipment failure alarm. 505 LM01 - 17 June 2017...
  • Page 45 BD-NO — Band Alarm, Normally Open contacts • BD-NC — Band Alarm, Normally Closed contacts • AL-NO — Equipment Alarm, Normally Open contacts • AL-NC — Equipment Alarm, Normally Closed contacts Press to select the type of alarm required. 505 LM01 - 17 June 2017...

  • Page 46: Communications

    Infra-red Port (optional) - Discontinued - Although program settings may be visible in calibration, the required hardware is no longer PROTOC INFRA available. The Infra-red protocol assignment ( ) should INFRA be set to NONE and the remaining settings can be ignored. 505 LM01 - 17 June 2017...
  • Page 47 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. 505 LM01 - 17 June 2017...

  • Page 48: Time Settings And Data Logging

    10 monthly logs and 5 yearly logs. The log parameters (below) for each timebase also determine the number of records to be included in a report print out if the printing option is used. 505 LM01 - 17 June 2017...
  • Page 49 Set the number of Yearly Logs to be recorded and to appear on the printed log report. The yearly log entry occurs at 00 hours and 00 minutes on the first day of the year. 505 LM01 - 17 June 2017...

  • Page 50: General Setup Parameters

    Press to select the default variable display. SUPPLY VOLT The instrument provides a power-limited supply for external transducers. Press to set the transducer supply voltage between 8 and 24 volts DC as required. 505 LM01 - 17 June 2017...

  • Page 51: Test Menu

    The backlight switches on when a key is pressed. Select the backlight timeout mode as required. Press to select ENABLE or DISABLE. Test Menu The Test menu enables you to view the inputs and outputs to and from the instrument. 505 LM01 - 17 June 2017...

  • Page 52: 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. 505 LM01 - 17 June 2017...

  • Page 53: 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. 505 LM01 - 17 June 2017...

  • Page 54: Alarm Messages

    The alarm condition, as defined for relay alarm 1 in the ALARMS section of calibration, is present. Alarm 2 is Active The alarm condition, as defined for relay alarm 2 in the ALARMS section of calibration, is present. 505 LM01 - 17 June 2017...

  • Page 55: 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 13. 505 LM01 - 17 June 2017...

  • Page 56: Rs-232 Cable Connections To A Computer

    “daisy chained” in a multidrop configuration as shown in Figure 14. 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 Instrument Instrument Figure 14 RS-485 Connections 505 LM01 - 17 June 2017...

  • Page 57: Protocols

    One of four possible events can occur from the master’s query: • If the slave device receives the query without a communication error, and can handle the query normally, it returns a normal response. 505 LM01 - 17 June 2017...
  • Page 58 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. 505 LM01 - 17 June 2017...

  • Page 59: List Of Data Registers

    “register 1” in this case has “address 0” and so on. 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. 505 LM01 - 17 June 2017...
  • Page 60 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) 505 LM01 - 17 June 2017...
  • Page 61 Comments Read Only or Type Read/Write Reserved Reserved Reserved Relay State 0 to 15 Binary representation of relay status. 0 = open; 1 = closed. B0 = relay 1 (LSB) B1 = relay 2 505 LM01 - 17 June 2017...
  • Page 62 The value will be read in Amperes. * I = Integer (2 bytes) (Holding Registers) † DT = Data Type of 2-register (4 byte) values can be set as Floating Point or Long Integer values 505 LM01 - 17 June 2017...

  • Page 63: 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. 505 LM01 - 17 June 2017...

  • Page 64: Types Of Printouts

    The printout will have the time and date stamp corresponding to when the log was taken. After the print has been initiated there will be the opportunity to scroll to view another log entry and print again. 505 LM01 - 17 June 2017...
  • Page 65 -------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value Variable unit value etc. -------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value Variable unit value 505 LM01 - 17 June 2017...

  • Page 66: Printer Data Control

    Some printers will also transmit an Xoff character in response to other events such as printer being off-line, print head not engaged or power being removed. The specific behaviour of the printer being used should be noted. 505 LM01 - 17 June 2017...
  • Page 67 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. 505 LM01 - 17 June 2017...
  • Page 68 Communications 505 LM01 - 17 June 2017...

  • Page 69: Appendix A 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 505.112ESC-LM01 (This is the number used for placing orders). 505 LM01 - 17 June 2017...

  • Page 70: 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 71 - indicates a density input • t - indicates a temperature input. • For example, is an instrument with FINP (frequency input) assigned to a flow input, AINP (analog input) assigned to a level input. 505 LM01 - 17 June 2017...

  • Page 72: Appendix B 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 505 LM01 - 17 June 2017...

  • Page 73: Index

    FCC set mode default variable view mode display CLEAR key specifications clock timeout mode battery timeout time date format DISPLAY key 18, 21 real-time display-only parameter 505 LM01 - 17 June 2017...
  • Page 74 CLEAR mounting DISPLAY 18, 21 LEVEL RESET normal mode TOTAL number keys, front panel model serial LEDs, status LEVEL key operation, control modes logged data operation, normal mode viewing output connections 4-20mA 505 LM01 - 17 June 2017...
  • Page 75 Modbus RTU variable, default printer version, customer pulse output view data logs real-time clock warnings rear panel weekly logging relay outputs relays, alarm remote key input yearly logging RESET key 505 LM01 - 17 June 2017...

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