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Contrec 515 GC01 Operation Manual

General gas flow computer for volumetric frequency flowmeters
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Model 515 Flow Computer
Operation Manual
Application GC01
General Gas
Flow Computer
for
Volumetric Frequency Flowmeters
8 September 2021
i

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Summary of Contents for Contrec 515 GC01

  • Page 1 Model 515 Flow Computer Operation Manual Application GC01 General Gas Flow Computer Volumetric Frequency Flowmeters 8 September 2021...
  • 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

    Operating & Storage Temperature Operating: If a heater is being used, DO NOT isolate the instrument in temperatures below -20°C. Storage: DO NOT store the equipment below -20°C. 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...

  • Page 4: Instrument Disposal

    Instrument Disposal Contrec instrumentation should not be thrown into the general waste system. If within EU member states, this instrument should be disposed of according to the guidelines set by the WEEE (Waste Electrical and Electronic Equipment) directive 2012/19/EU.

  • Page 5: Table Of Contents

    RC Network for Interference Suppression Communications COM-1 RS-232 Port COM-2 RS-485 Port Option COM-2 Ethernet Port Option Mains Connection Earthing and Shielding Disconnection Device Maintenance Instructions Battery Replacement Battery Type 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...
  • Page 6 Warning Messages 6 Communications Overview Hardware Interconnection Protocols Simple ASCII Protocol Requests Format Instrument Responses Corrupted or Invalid Requests Modbus RTU Protocol List of Data Registers Printer Protocol Types of Printouts Printer Data Control 515 GC01 - 8 September 2021...
  • Page 7 Product Codes Custom Version Codes Application Information Code Appendix C Ethernet Port & Setup Ethernet Port Connecting 515 Ethernet to Networks/Routers Connecting DataMod via Ethernet Appendix D Reference Tables Properties of Selected Gases Index 515 GC01 - 8 September 2021...
  • Page 8 515 GC01 - 8 September 2021...

  • Page 9: List Of Figures

    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 DataMod - Modbus Connection Settings 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...
  • Page 10 515 GC01 - 8 September 2021...

  • Page 11: Chapter 1 Introduction

    • Backlit display Overview The 515 GC01 application measures the volume, corrected volume and mass of a general gas. The instrument uses a frequency volumetric flow input and analog temperature and pressure sensor inputs. The instrument is compatible with a wide range of flowmeter frequency outputs.

  • Page 12: Equations Of State

    It uses the Acentric Factor of the gas as well as the Critical Temperature and Pressure. This was designed to provide better vapour pressure for hydrocarbons in the gasoline range. 515 GC01 - 8 September 2021...

  • Page 13: Analog Input Scaling

    Variables Units Type Volume Total Volume Flowrate /min Rate Corrected Volume Total Corrected Flowrate /min Rate Mass Total Mass Flowrate kg/min Rate Temperature Deg C Rate Pressure Rate Compressibility Factor - - - Rate 515 GC01 - 8 September 2021...

  • Page 14: Units Of Measurement

    The relay alarms can be assigned to any of the main menu variables of a rate type. The alarms can be fully configured including hysteresis. Two relays are standard with two additional relays available as an option. 515 GC01 - 8 September 2021...

  • Page 15: Software Configuration

    The software is a Windows based program that is freely available from the download section of the Contrec website. The program can be used to create a custom version of an existing application to be saved for backup purposes and/or to generate a PDF of configuration report for record keeping.

  • Page 16: Limitations Of Use

    Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his own expense. 515 GC01 - 8 September 2021...
  • Page 17 Introduction 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 18 Introduction 515 GC01 - 8 September 2021...

  • Page 19: Chapter 2 Specifications

    Other - RoHS compliant Baud Rate 2400 to 19200 baud Parity Odd, even or none Stop Bits 1 or 2 Data Bits Protocols Modbus RTU, Modbus TCP/IP (Ethernet Port), Printer 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...

  • Page 20: Transducer Supply

    2 outputs Configuration 4-20 mA Output Supply 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. 515 GC01 - 8 September 2021...

  • Page 21: Chapter 3 Installation & Maintenance

    145 mm 138 mm Front Panel Mounting Clip Min. 189 mm 67 mm 70 mm 139 mm 147 mm Panel Cut-out Figure 2 500 Series Instrument Panel Mounting 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...

  • Page 22: Electrical Connection

    1 and 2 (terminals 32-33) share Relay Common 1-2 (terminal 31) and relays 3 and 4 (terminals 34-35) share Relay Common 3-4 (terminal 36. N.B. The 6 way relay terminal block is ORANGE. Figure 4 Rear Panel Connections - New RS485 Version 515 GC01 - 8 September 2021...

  • Page 23: Terminal Designations

    E Mains ground Term 36 only available on AC power in 100- RC Relay common 3-4 N Mains neutral new style option card MAINS 240VAC A Mains active RS232 COM-1 port 9-pin serial port 515 GC01 - 8 September 2021...

  • Page 24: Terminal Wiring Insulation

    Electrical Code of Practice as dictated by the Authority Having Jurisdiction (AHJ). The terminal designations (L/N/E) are clearly indicated just above the mains input connector on the rear panel of the instrument. 515 GC01 - 8 September 2021...

  • Page 25: Inputs

    Reed Relay Switch Frequency Input (FINPn) Signal Ground 18 Shield Coils - with 15 mV minimum amplitude (typical). Frequency Input (FINPn) Signal Ground Shield Namur Proximity Switch Vo +8V DC Frequency Input (FINPn) Shield 515 GC01 - 8 September 2021...

  • Page 26: Analog Input Connections

    Shield Figure 6 Externally Powered Voltage Transmitter Connect internally powered voltage transmitters as shown in Figure 7. Vo +8...24V DC Signal Transmitter Analog Input (AINPn) DC ground Shield Figure 7 Internally Powered Voltage Transmitter 515 GC01 - 8 September 2021...

  • Page 27: Externally Powered Current Loop

    The instrument uses 4-wire RTDs to provide optimum accuracy and stability. It is not necessary to have equal cable lengths for the 4-wire RTDs, but they should be no longer than 50 metres. It is also recommended to use shielded twisted pairs. 515 GC01 - 8 September 2021...

  • Page 28: Logic Input Connection

    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 GC01 - 8 September 2021...

  • Page 29: Outputs

    Figure 12 shows the connections for a 4-20 mA output. Output channel 1 uses terminals 27 (+) and 28 (-), output channel 2 uses terminals 29 (+) and 30 (-). Maximum Load Resistance = (Supply-9) / 0.02 ohms 515 GC01 - 8 September 2021...

  • Page 30: Pulse Output Connection

    27 (+) and 28 (-). Output channel 2 uses terminals 29 (+) and 30 (-). Vo +8...24V DC External Load Resistor 10K Logic Input Open Pulse Output Collector (OUTn) Output DC Ground Shield Figure 13 Output Pulse Connection Diagram 515 GC01 - 8 September 2021...

  • Page 31: Control Relays (Alarms)

    Note: Solid state relays (SSR) use AC voltage only. Relay 1 RC Relay 1-2 Common Alarm/Load Supply Relay 2 Alarm/Load Relay 3 Alarm/Load Relay 4 Alarm/Load Supply Relay 3-4 Common Figure 14 Relay Connection Diagram 515 GC01 - 8 September 2021...

  • Page 32: 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 GC01 - 8 September 2021...

  • Page 33: Communications

    Figure 15 shows the connection of several instruments to a computer using the RS-485 port. Host Twisted Pair Computer Load 120 ohms Comms 19 20 21 19 20 21 Instrument Instrument Figure 15 RS-485 Interface Connections 515 GC01 - 8 September 2021...

  • Page 34: Com-2 Ethernet Port Option

    If mounted in an ExD enclosure, before proceeding, refer to the ExD manual for further information. This work may need to be scheduled and carried out in accordance with the local electrical Code of Practice. 515 GC01 - 8 September 2021...

  • Page 35: Battery Replacement

    2. Conformal coated “C” version - Type BR2032, manufacturer Panasonic ONLY. 3. Non Conformally coated versions :- BR2032, CR2032, Sony or Panasonic ONLY. *Issue 7 option card can be identified with 6 way (31-36) ORANGE relay connector. 515 GC01 - 8 September 2021...
  • Page 36 Installation & Maintenance 515 GC01 - 8 September 2021...

  • Page 37: Chapter 4 Operation

    The host computer is downloading the application software. The instrument is in Calibrate Set mode. Alarm The instrument has an error, as indicated on the display panel. Alarm The instrument is in Calibrate View mode. 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...

  • Page 38: Front Panel Keys

    See below for further details of peak flowrates. Remote Reset The Remote Reset on logic input 3 (LINP3) has the same function as the front key, as described above. RESET 515 GC01 - 8 September 2021...
  • Page 39 500 Series Program Manager (500-PM Software) prior to the application software being downloaded to the instrument. The 500-PM Software is Windows based configuration and resource tool for the 500 Series and is freely available from the www.contrec.co.uk website. 515 GC01 - 8 September 2021...

  • Page 40: Peak Flowrates

    00 hours and 00 minutes on the first day of the year. View Data Logs Use the following procedure to view the data that has been logged by the instrument: 1. Press the key to scroll through the menu to the LOGGED DATA DISPLAY prompt. 515 GC01 - 8 September 2021...
  • Page 41 … … 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 16 Logged Data Display Methods 515 GC01 - 8 September 2021...
  • Page 42 Hold Reset to start the printing of the configuration report. The report will be in a similar format to the report generated by the 500 Program Manager. Press at any time to exit from the Model information. 515 GC01 - 8 September 2021...

  • Page 43: Chapter 5 Instrument Calibration

    “programmable” parameters, but the correct password must be entered to change the password-protected parameters. Likewise, the CAL switch (Logic Input 4) must be used to accept the password to change the CAL switch protected parameters. 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...

  • Page 44: Calibration View Mode

    To select the next digit, press 6. Press or use the CAL switch on Logic Input 4 (if “Cal switch protected” items exist) to accept the password and proceed. 515 GC01 - 8 September 2021...
  • Page 45 “Cal switch protected” items exist, the CAL switch can be closed for two seconds. The instrument makes two beeps and cancels the Cal and Set indicators. Alarm 515 GC01 - 8 September 2021...

  • Page 46: Changing The Instrument Settings

    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 the Instrument Settings section below. 515 GC01 - 8 September 2021...
  • Page 47 The 500-LT (PM Lite) program is a Windows based computer program which can be downloaded for free from the Contrec www.contrec.co.uk website and is part of the package when the Contrec 500 Series Program Manager is installed. The 500-LT provides the option to ‘Upload Application’ or ‘Upload Report Only’.

  • Page 48: Calibration Menu Tree

    FACTn AINP1 TEMP TYPE PT100(E)/500 4-20 0-5 /1-5V DEFAULT PT-MIN PT-MAX PT-DEF AINP2 PRESS PRESS ABSOL GAUGE TYPE 4-20 0-5 /1-5V DEFAULT PT-MIN PT-MAX PT-DEF EXCEPT DEFLT Figure 17 Calibration Menu Tree Sheet 1 515 GC01 - 8 September 2021...
  • Page 49 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 18 Calibration Menu Tree Sheet 2 515 GC01 - 8 September 2021...

  • Page 50: Instrument Settings

    Set the atmospheric pressure (absolute) according to the height above sea level. T-REF unit Enter the reference temperature for the calculation of corrected gas volume flow. 515 GC01 - 8 September 2021...
  • Page 51 92. This parameter is not applicable if the Calculation Type is Ideal Gas. ACENTR FACT Enter the acentric factor of the gas. This parameter is only applicable if the Calculation Type is Soave-Redlich-Kwong or Peng-Robinson. 515 GC01 - 8 September 2021...
  • Page 52 For example if the cut-off is set to 0.01 Hz, and the measured flow stops, the instrument continues to display the flow rate for 100 seconds before it can determine that the flow has actually stopped. 515 GC01 - 8 September 2021...
  • Page 53 This parameter is available for viewing and editing only when the correction type is set to Linear. The K-factor of the flowmeter is the number of pulses from the flowmeter per unit of volume. The K-factor cannot be 0 (zero). 515 GC01 - 8 September 2021...
  • Page 54 FREQ04 FREQ05 Enter the lowest correction factor frequency as FREQ01 and proceed up to the highest frequency. You can hold the key to skip the DISPLAY non-linear points and go to the next item. 515 GC01 - 8 September 2021...
  • Page 55 For example, if the source signal is 4 mA for a temperature of 10°C, enter 10 for the minimum point. If the source signal is 20 mA for a temperature of 2000°C, enter 2000 as the maximum point. 515 GC01 - 8 September 2021...
  • Page 56 You can set the Default value during instrument commissioning so that it is available immediately if you select the Default input type at a later date. Enter the value in the engineering units of assigned variable. 515 GC01 - 8 September 2021...
  • Page 57 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 connected to a 4-20 mA loop circuit. 515 GC01 - 8 September 2021...
  • Page 58 30 and the maximum point to 100 would reflect the volumetric flow rate range of 30 to 100 m /min. At rates above the maximum and below the minimum points, the output remains at 20 mA and 4 mA respectively. 515 GC01 - 8 September 2021...
  • Page 59 Any alarm relay can be assigned as an equipment failure alarm. This alarm setting can have normally closed (open) contacts that open (close) when the instrument displays any error message as listed in Error Messages on page 515 GC01 - 8 September 2021...
  • Page 60 Each alarm is completely independent, e.g. a High alarm does NOT need to have a higher setpoint than the a Low alarm. 515 GC01 - 8 September 2021...
  • Page 61 200 and toggle off below 200. However, if the hysteresis is set to 5, the value of the variable must fall below 195 to cancel the alarm. The alarm will reactivate only when the value again rises above 200. 515 GC01 - 8 September 2021...
  • Page 62 The stop bit setting of the instrument must match the stop bit setting of the communication device that the instrument is connected to. Press to select 1 or 2 stop bits. 515 GC01 - 8 September 2021...
  • Page 63 Therefore, after an interruption to the power supply, the instrument recommences normal operation although there will be no data recorded during the period without a power supply. 515 GC01 - 8 September 2021...

  • Page 64: Data Logging

    The Clock H-MIN setting is the current time in hours and minutes for the CLOCK H-MIN real-time clock. HOUR LOGS Set the number of Hourly Logs to appear on the printed log report. The hourly log entry occurs at 00 minutes each hour. 515 GC01 - 8 September 2021...
  • Page 65 REP-03 Weekly Logs Report • REP-04 Monthly Logs Report • REP-05 Yearly Logs Report • REP-06 Previous Day’s 24 Hour Report (0Hr – 23Hr, minimum 48 hourly logs required) Press to select Report Type. 515 GC01 - 8 September 2021...

  • Page 66: General Setup Parameters

    EN DISP - Timeout is enabled during Normal mode and Calibration View mode. • EN EDIT - Timeout is enabled during Calibration Set mode. • EN ALL - Timeout is enabled for all modes. 515 GC01 - 8 September 2021...
  • Page 67 RATES This parameter sets the maximum number of decimal places for displaying or printing main menu rates. TOTALS This parameter sets the maximum number of decimal places for displaying or printing main menu totals. 515 GC01 - 8 September 2021...
  • Page 68 You can display the actual DC output supply voltage, which may help with troubleshooting. If the actual supply voltage is lower than the preset value (refer to General Setup Parameters on page 58) it may indicate that the output is overloaded. 515 GC01 - 8 September 2021...

  • Page 69: System Messages

    Analog Input Signal Type to DEFAULT and the Analog Input Default Point to a typical process value. If there are no other faults, the instrument continues to operate by using the default value. 515 GC01 - 8 September 2021...

  • Page 70: Status Description

    Quad The quadrature input frequency is over the limit (no pulse security Frequency checking is performed). The exception is only raised if the Over Limit quadrature input has been enabled. 515 GC01 - 8 September 2021...

  • Page 71: Warning 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 GC01 - 8 September 2021...
  • Page 72 Instrument Calibration 515 GC01 - 8 September 2021...

  • Page 73: Hardware Interconnection

    Computers use either a DB9 or a DB25 connector, and the connections to each type are shown in Figure 19. Instrument Computer/Printer Common Optional Optional DB25 Figure 19 RS-232 Cable Connections to a Computer 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...
  • Page 74 COM-2 should be set to RTU (Modbus), 19200 Baud rate, even parity and 1 stop bit. For further advice and example of Ethernet port usage and setup, refer to Ethernet Port & Setup on page 90 in the Appendix. 515 GC01 - 8 September 2021...

  • Page 75: 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 76 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 GC01 - 8 September 2021...

  • Page 77: 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 GC01 - 8 September 2021...
  • Page 78 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 GC01 - 8 September 2021...

  • Page 79: Command Description

    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 GC01 - 8 September 2021...

  • Page 80: 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 GC01 - 8 September 2021...

  • Page 81: 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 GC01 - 8 September 2021...

  • Page 82: Function Codes

    Slave device busy The slave is engaged in processing a long duration program command. The master should re-transmit the message later when the slave is free. 515 GC01 - 8 September 2021...

  • Page 83: List Of Data Registers

    (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 preset, one data value. 515 GC01 - 8 September 2021...
  • Page 84 06 - current totals are non-accumulated values, register 38 is ignored. Log Number If set to 0, current variables and Date/Time are retrieved Clear Data 01 - clear logs 02 - clear accumulated totals 03 - clear non-accumulated totals Reserved 515 GC01 - 8 September 2021...
  • Page 85 Idle state Relay State 0 to 15 Binary representation of relay state. 0 = open; 1 = closed. B0 = relay 1 (LSB) B1 = relay 2 B2 = relay 3 B3 = relay 4 515 GC01 - 8 September 2021...
  • Page 86 For full description, please refer to the “Modbus Accessible Parameters” in Parameters on page 42. Register Name Comments Read Only or Type Read/Write Gas Specific Gravity Gas Critical Temperature Gas Critical Pressure (Abs) Gas Acentric Factor 59 to 99 Reserved 515 GC01 - 8 September 2021...

  • Page 87: Printer Protocol

    A customized printout can be provided which can have up to 6 header lines and 6 footer lines. It is also possible to include or exclude each main menu item on the printout. If any customizing of the printout is required discuss this with the distributor. 515 GC01 - 8 September 2021...

  • Page 88: 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 32. 515 GC01 - 8 September 2021...
  • Page 89 <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 GC01 - 8 September 2021...
  • Page 90 “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 GC01 - 8 September 2021...

  • Page 91: 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 GC01 - 8 September 2021...
  • Page 92 Communications 515 GC01 - 8 September 2021...

  • Page 93: Appendix A Glossary

    The 500 Series Program Manager (500-PM software) is a Windows based Software program that is freely available from the download section of the Contrec website. The program is a comprehensive configuration tool and resource centre that can be used to tailor an instrument to suit specific application needs including program settings, units of measurement, custom tags/text, access levels and more.
  • Page 94 The WDT is used to monitor the activity of the micro processor and will Timer (WTD) force a reboot if the micro processor stops, while power is applied, due to any internal or external influences. 515 GC01 - 8 September 2021...

  • Page 95: Appendix B Model Numbers

    (factory use only). The remaining 6 characters only MODEL represent hardware that affects the operation. Note: Example full product part number is 515.111USC-GC01 (This is the number used for placing orders). 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...

  • Page 96: 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 97 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 GC01 - 8 September 2021...

  • Page 98: Appendix C Ethernet Port & Setup

    (providing there are addresses available). If your network cannot locate the instrument you may need to run the ‘Digi Discovery’ tool (Contrec guide available on request) or enter the Ethernet module’s MAC address within your router settings. If required, the instrument can also be set to a static IP address, however it is strongly advised that only IT competent persons access and edit site network and 515 Ethernet settings.
  • Page 99 Ensure all other settings are correct as per the Datamod User Guide and the 515 Ethernet Guide - Establishing a Connection to Datamod. Both of these documents are available from Contrec on request. Figure 21 DataMod - Modbus Connection Settings 515 GC01 - 8 September 2021...

  • Page 100: Appendix D Reference Tables

    -228.75 -379.75 2760 400.30 -0.016 Nitrogen 0.9672 -146.95 -232.51 3398 492.84 0.037 Nitrous Oxide 1.5199 36.45 97.61 7255 1052.25 0.142 Oxygen 1.1048 -118.57 -181.42 5043 731.43 0.022 Propane 1.5226 96.68 206.02 4248 616.12 0.152 515 GC01 - 8 September 2021...
  • Page 101 Program Manager customer version codes basic menu customizing a printout battery failed life daily logging data log battery replacement viewing battery type baud rate CAL switch-protected parameter 515 GC01 - 8 September 2021 515 GC01 - 8 September 2021...
  • Page 102 LEDs, status LEDs logged data viewing logging gas equation daily Ideal Gas hourly Peng-Robinson monthly Redlich-Kwong weekly Soave-Redlich-Kwong yearly gas equations logic input connection gas properties 515 GC01 - 8 September 2021...
  • Page 103 Program Manager programmable parameter properties of gases operation, normal protocol output ASCII connections communication 4-20mA Modbus RTU pulse printer pulse factor pulse factor, output outputs menu pulse output override error condition 515 GC01 - 8 September 2021...
  • Page 104 LEDs stop bits suppression, interference system errors messages warnings terminal designations test menu timeout mode time tm/log menu TOTAL key total, default 515 GC01 - 8 September 2021...

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