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Model 515 Flow Computer Operation Manual Application DG01 Density Converter (Gas) Pulse Output Density Meters 18 June 2017...
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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.
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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 DG01 - 18 June 2017 515 DG01 - 18 June 2017...
RS-232 Port Infra-red Port RS-485 Port (Optional) Earthing and Shielding 4 Operation Normal Operation Default Variable Status LEDs Front Panel Keys Main Menu Items Default Period Data Logs Model Information 5 Instrument Calibration Introduction 515 DG01 - 18 June 2017...
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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 Appendix D Reference Tables Properties of Selected Gases Index 515 DG01 - 18 June 2017...
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Logic Inputs Connection Diagram Output 4-20 mA 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 DG01 - 18 June 2017...
This instrument is compatible with a wide range of density meter pulse outputs, including millivolt signals, reed switches, Namur proximity switches and pulse trains via its smart front-panel program selection. 515 DG01 - 18 June 2017...
Ideal Gas The Ideal Gas equation assumes the compressibility factor to be 1. This equation is suited to gas at low pressure and high temperatures. 515 DG01 - 18 June 2017...
Series Program Manager PC software allows to customize the table as well as other parameters before downloading embedded software into the instrument. For further details of these equations or restrictions of use please refer to the appropriate standard or relevant documents. 515 DG01 - 18 June 2017...
1000 entries of the variables as displayed on the main menu. This application indicates the type of pressure value being displayed as either gauge or absolute by adding an ‘A’ or ‘G’ to the units of measurement. 515 DG01 - 18 June 2017...
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 additional two relays available as an option. 515 DG01 - 18 June 2017...
– 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. 515 DG01 - 18 June 2017...
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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.
Battery Life 5 years (typical) 0.1% (full temperature range, typical) 0-5 or 1-5 Volts Input Impedance 10 MOhms (to common signal ground) 0.05% full scale (20 C) Accuracy 0.1% (full temperature range, typical) 515 DG01 - 18 June 2017...
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9 to 30 volts DC external Resolution 0.05% full scale Accuracy 0.05% full scale (20C) 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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
+ 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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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 Relay 3 Alarm Relay 4 Alarm Figure 10 Relay Connection Diagram 515 DG01 - 18 June 2017...
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 515 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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 step or scroll through the main menu items. DISPLAY DISPLAY 515 DG01 - 18 June 2017...
Hold the key to display the Model information as described in Model Information on page 25. CAL MENU Hold the key to enter Calibration View mode as described in Calibration View Mode page 27. 515 DG01 - 18 June 2017...
The system displays the hourly log. The timebase and number of the log are shown, for example LH-001. 3. While holding the key use the key to print the data for the DISPLAY displayed log if the printer option has been selected. 515 DG01 - 18 June 2017...
… 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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
• 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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
DISPLAY 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 14 Calibration Menu Tree Sheet 2 515 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
Note: The User Defined Function look-up table is constructed and downloaded from the 500 Series Program Manager as part of the embedded software. The table provides two outputs OUT-A and OUT-B as main menu variables. Press to select the variable as required. 515 DG01 - 18 June 2017...
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Pc_0 unit This parameter is applicable when the Calculation Type is not Ideal Gas. Enter the base critical pressure of the gas. Some sample values are shown Properties of Selected Gases on page 75. 515 DG01 - 18 June 2017...
ENABLE or DISABLE. CUTOFF PINP1 The Cut-off is the lowest pulse frequency for which the instrument continues density calculations. The value for the cut-off is specified as the frequency of the pulse densitometer in Hertz. 515 DG01 - 18 June 2017...
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For this application, Analog Input Channel 1 is assigned to Temperature. TEMP AINP1 TYPE AINP1 Select the type of analog input source. Press to select 0-5 V, 1-5V, 4-20 mA, PT100, PT500 or DEFAULT. 515 DG01 - 18 June 2017...
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However the pressure value when logged or read via serial communications will always be absolute. Press to select ABSOL or GAUGE. TYPE AINP2 Select the type of analog input source. Press to select 0-5 V, 1-5V, 4-20 mA or DEFAULT. 515 DG01 - 18 June 2017...
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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 DG01 - 18 June 2017...
100 degrees C. At values below the minimum and above the maximum points, the output remains at 4 mA and 20mA respectively. Alarms The alarm relay(s) can be assigned to main menu variables such as temperature, or set as an equipment failure alarm. 515 DG01 - 18 June 2017...
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Each alarm is completely independent, e.g. a High alarm does NOT need to have a higher setpoint than the a Low alarm. 515 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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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 DG01 - 18 June 2017...
In this case, you should set the current time and date so that the instrument continues to log data at the correct times. 515 DG01 - 18 June 2017...
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The daily log entry occurs at 00 hours and 00 minutes each day. 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. 515 DG01 - 18 June 2017...
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• PRN-01 Generic computer printer • PRN-02 Generic roll printer (prints first line first) • PRN-03 Slip printer TM295 • PRN-04 Label (roll) printer - Citizen CMP30L Press to select Printer Type. 515 DG01 - 18 June 2017...
Note: The user-defined tags can be entered into the instrument only by the manufacturer or the distributor. Press to select the Display Tags option as follows: • DEFAULT - the instrument displays the default (English) tags • USER - the instrument displays the user-defined tags. 515 DG01 - 18 June 2017...
PROCESS - the relay operates according to the current values of the inputs and the relay settings as programmed (normal operation). • OPEN - the relay output contacts are set to “open”. • CLOSED - the relay output contacts are set to “closed”. 515 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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Parameter reference temperature and pressure (specified in the Parameters menu) should be programmed within the defined calculation limits for the chosen fluid. Invalid Gas Property The gas property is outside of the allowed range. 515 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
• 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.
000, the instrument returns the current process variables. If the log request is included, the log number defines the specific log entry by counting backwards. The most recent log entry for a timebase is 001. 515 DG01 - 18 June 2017...
The components of the response message are as follows: Header The format of the response header from the instrument is as follows: A001 YYYY/MM/DD HH:MM:SS 00 Exception Status Address Date Time (24-hour clock) space space space 515 DG01 - 18 June 2017...
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V - F L O W 7 6 2 7 . 1 1 7 M A S S 3 4 4 . 4 6 0 K G / M M - F L O W 515 DG01 - 18 June 2017...
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1 8 : 2 5 : 0 0 Clear Data Request The clear data request asks the instrument to clear the data in the selected registers. Command Description :RCL? Clear the logs except for the “last edited” log 515 DG01 - 18 June 2017...
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 Corrupted or Invalid Requests If the instrument receives a corrupted or incomplete request, there is no response. The instrument discards any partial request and waits for the next enquiry. 515 DG01 - 18 June 2017...
If the slave receives the query without a communication error, but cannot handle it (for example, if the request is to read a nonexistent register), the slave will return an exception response informing the master of the nature of the error. 515 DG01 - 18 June 2017...
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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 DG01 - 18 June 2017...
Critical Pressure User Input User Output A User Output B Reserved † Year Month Current Date/Time or Date Logged Date/Time Stamp (see register 38 Log Number). Hour Only current Date/Time can be edited Minute Second 515 DG01 - 18 June 2017...
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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 DG01 - 18 June 2017...
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* 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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
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 25. 515 DG01 - 18 June 2017...
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Title of Report <internally set, indicates report type> Current Date & Time Instrument Serial No. & Tag -------------------------------------------- <separation line> Log No. Date & Time & Status Variable unit value Variable unit value etc. 515 DG01 - 18 June 2017...
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“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 DG01 - 18 June 2017...
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 DG01 - 18 June 2017...
0°C (273.15 K) and 101.325 kPa • 32°F (491.67°R) and 14.696 psia. A flow rate at normal conditions is indicated with an ‘N’ in the front of the corrected volume units of measure. Compare with Standard conditions. 515 DG01 - 18 June 2017...
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• 15°C (288.15 K) and 101.325 kPa, or • 59°F (518.67°R) and 14.696 psia. Universal Gas The Universal Gas Constant is used in the calculation of density at flowing Constant (R) conditions. (8.314510 J/(mol*K) 515 DG01 - 18 June 2017...
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-DG01 (This is the number used for placing orders). 515 01 - 18 June 2017...
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...
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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 01 - 18 June 2017...
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 01 - 18 June 2017...
FCC default on exception calibration default variable menu display set mode specifications view mode timeout mode clock timeout time battery DISPLAY key date format display-only parameter real-time 515 DG01 - 18 June 2017...
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20, 41, 53 setup input test 0-5V tm/log 4-20mA units connections messages analog error frequency system failure warning meter factor sensor failure Modbus data format types Modbus RTU protocol 515 DG01 - 18 June 2017...
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20, 41, 53 stop bits RS-232 19, 41, 51 suppression, interference RS-485 20, 41, 52 system power supply interruption errors printer messages data control warnings error messages protocol report types terminal designations printer types test menu 515 DG01 - 18 June 2017...
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