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Precision Digital Corporation Helios PD2-6200 Instruction Manual

Large display analog input rate/totalizer
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• Large 1.80" Digits
• Dual-Line 6-Digit Display
• Readable from up to 100 Feet (30 Meters) Away
• Superluminous Sunlight Readable Display
• NEMA 4X, IP65 Rated Field Mountable Enclosure
• Operating Temperature Range of -40 to 65°C (-40 to 150°F)
• 0-20 mA, 4-20 mA, 0-5 V, 1-5 V, and ±10 V Inputs
• Input Power Options Include 85-265 VAC or 12-24 VDC
• Isolated 24 VDC Transmitter Power Supply
• Signal Input Conditioning for Flow
• Rate Displayed as Units per Second, Minute, Hour, or Day
• 9-Digit Totalizer with Total Overflow Feature
• 32-Point, Square Root, or Exponential Linearization
• 2 or 4 Relays + Isolated 4-20 mA Output Options
• Onboard USB & RS-485 Serial Communications
• Modbus
• Program the Meter from a PC with onboard USB and MeterView Pro
Precision Digital Corporation
1.888.610.7664
Helios Large Display Analog Input Rate/Totalizer
Instruction Manual
®
RTU Communication Protocol Standard
www.calcert.com
15
10
20
5
25
0
30
PD2-6200
USB Install
Flow Rate/Totalizer
sales@calcert.com

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Summary of Contents for Precision Digital Corporation Helios PD2-6200

  • Page 1 • 2 or 4 Relays + Isolated 4-20 mA Output Options • Onboard USB & RS-485 Serial Communications • Modbus ® RTU Communication Protocol Standard • Program the Meter from a PC with onboard USB and MeterView Pro Precision Digital Corporation 1.888.610.7664 www.calcert.com sales@calcert.com...

  • Page 2: Limited Warranty

    Limited Warranty Precision Digital Corporation warrants this product against defects in material or workmanship for the specified period under “Specifications” from the date of shipment from the factory. Precision Digital’s liability under this limited warranty shall not exceed the purchase value, repair, or replacement of the defective unit.

  • Page 3: Table Of Contents

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Table of Contents Table of Contents ............ 3 Relay Action for Loss of 4-20 mA Input (Loop Break) ................37 Table of Figures ............4 Relay and Alarm Operation Diagrams ....... 37 Introduction..............

  • Page 4: Table Of Figures

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Table of Figures Figure 1. Meter Mounting Holes ......10 Figure 12. Relay Connections ......15 Figure 2. Meter Dimensions - Side View ..... 10 Figure 13. AC and DC Loads Protection ..... 16 Figure 3.

  • Page 5: Specifications

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Specifications Except where noted all specifications apply to operation at +25°C. General Isolated Terminals P+ & P-: 24 VDC  10%. 12/24 Transmitter VDC powered models selectable for 24, Display Main display: 1.8" (46 mm) high, red Power Supply 10, or 5 VDC supply (internal P+/P- LEDs...

  • Page 6: Process Input

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Process Input Totalizer Calculates total based on rate and field programmable multiplier to display total Inputs Field selectable: 0-20, 4-20 mA, 10 V in engineering units. Time base must (0-5, 1-5, 0-10 V), Modbus PV (Slave) be selected according to the time units Accuracy ±0.03% of calibrated span ±1 count,...

  • Page 7: Isolated 4-20 Ma Transmitter Output

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Relay Isolated Automatic (non-latching) and/or manual Terminals I+ & R: 24 VDC  10%. May be Operation Transmitter reset used to power the 4-20 mA output or Power Supply Latching (requires manual other devices.

  • Page 8: Compliance Information

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Compliance Information Safety UL & C-UL Listed USA & Canada UL 508 Industrial Control Equipment (United States), C22.2 No. 142 (Canadian National Standard) UL File Number E160849 Front Panel UL Type 4X, NEMA 4X, IP65 Low Voltage Directive EN 61010-1:2010 Safety requirements for measurement, control, and laboratory use...

  • Page 9: Safety Information

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Safety Information Caution: Read complete instructions Warning: Risk of electric shock or prior to installation and operation of the personal injury. meter. Hazardous voltages exist within enclosure. Installation and service should be performed only by trained service personnel.

  • Page 10: Wall Mounting Instructions

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Wall Mounting Instructions The meter can be mounted to any wall using the four provided mounting holes. Note that the bottom mounting holes are located underneath the front door panel. To mount the meter to a wall, follow these instructions.

  • Page 11: Pipe Mounting Instructions

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Pipe Mounting Instructions The meter can also be mounted to a pipe using the optional pipe mounting kit (PDA6260). This kit includes two mounting plates, two U-bolts, and the necessary nuts and bolts. To mount the meter to a pipe using the pipe mounting kit accessory, follow these instructions.

  • Page 12: Transmitter Supply Voltage Selection (P+, P-)

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Transmitter Supply Voltage Selection (P+, P-) All meters, including models equipped with the 12/24 VDC power option, are shipped from the factory configured to provide 24 VDC power for the transmitter or sensor. If the transmitter requires 5 or 10 VDC excitation, the switch labeled P+/P- must be configured accordingly.

  • Page 13: Connectors Labeling

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Connectors Labeling The connectors’ label, affixed to the inside of the lower door panel, shows the location of all connectors available with requested configuration. Do not connect any equipment other than Precision Digital’s expansion modules, cables, or meters to the RJ45 M-LINK connector.

  • Page 14: Signal Connections

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Signal Connections Signal connections are made to a six-terminal connector labeled SIGNAL on Figure 7. The COM (common) terminal is the return for the 4-20 mA and the 10 V input signals. Current and Voltage Connections The following figures show examples of current and voltage connections.

  • Page 15: Input Signal

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual INPUT SIGNAL INPUT SIGNAL Signal 3-Wire Voltage Voltage Transducer Signal Figure 11. Voltage Input Connections The meter is capable of accepting any voltage from -10 VDC to +10 VDC. Modbus RTU Serial Communications Serial communications connection can be made to the onboard RS485 terminal block or USB connector shown in Figure 7.

  • Page 16: Switching Inductive Loads

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Switching Inductive Loads The use of suppressors (snubbers) is strongly recommended when switching inductive loads to prevent disrupting the microprocessor’s operation. The suppressors also prolong the life of the relay contacts. Suppression can be obtained with resistor-capacitor (RC) networks assembled by the user or purchased as complete assemblies.

  • Page 17: Rs485 Output Connections

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual RS485 Output Connections An RS-485 connector is provided for the use of advanced Modbus ® serial communications. This connector converts the serial output of the meter to balanced, full or half-duplex RS-485 signals. It has a removable screw terminal connector for the RS-485 terminals which includes Transmit Data (DO) and (/DO), Receive Data (DI) and (/DI), and Signal Ground.

  • Page 18: Figure 16. Rs-485 Two-Wire Multi-Drop Wiring

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Figure 16. RS-485 Two-Wire Multi-Drop Wiring Notes: 1. Termination resistors are optional and values depend on the cable length and characteristic impedance. Consult the cable manufacturer for recommendations. 2. Refer to RS-232 to RS-485 Converter documentation for further details. 3.

  • Page 19: Digital I/O Connections

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Digital I/O Connections Digital inputs and outputs are provides in order to expand the functionality of the meter. Digital inputs are made via a push button or switch connection to the appropriate digital input connector block and the +5 VDC block.

  • Page 20: 4-20 Ma Output Connections

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 4-20 mA Output Connections Connections for the 4-20 mA transmitter output are made to the connector terminals labeled MA OUT. The 4-20 mA output may be powered internally or from an external power supply. Figure 21.

  • Page 21: Setup And Programming

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Setup and Programming The meter is factory calibrated prior to shipment to read in milliamps and volts depending on the input selection. The calibration equipment is certified to NIST standards. Overview There are no jumpers to set for the meter input selection.

  • Page 22: Programming Buttons And Status Led Indicators

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Programming Buttons and Status LED Indicators The meter can be programmed using the buttons located behind the front door panel. Use the Menu button to enter or exit Programming Mode, the Up Arrow button to cycle through menu options, and the Enter button to select the menu item or option you want.

  • Page 23: Meterview ® Pro Software

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual MeterView ® Pro Software The meter can also be programmed using the PC-based MeterView Pro software included with the meter. This software is can be installed on any Microsoft® Windows® (2000/XP/Vista/7/8/10) computer by connecting the meter’s onboard USB.

  • Page 24: Display Functions & Messages

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Display Functions & Messages The meter displays various functions and messages during setup, programming, and operation. The following table shows the main menu functions and messages in the order they appear in the menu. Display Parameter Action/Setting Description...
  • Page 25 PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Display Parameter Action/Setting Description Assign 1 Relay 1 assignment Asign1 Assign relay to total Total totAL Grand total Assign relay to grand total G total Select to display Modbus input or to assign Modbus input as the Modbus m bus analog output source...
  • Page 26 Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Reset Press Enter to access the Reset menu reset Reset grand Press Enter to reset grand total Rst Gt total Press Enter to reset max display Reset high Rst Hi Reset low Press Enter to reset min display Rst Lo Press Enter to reset max &...

  • Page 27: Main Menu

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Main Menu The main menu consists of the most commonly used functions: Setup, Reset, Control, and Password. • Press Menu button to enter Programming Mode then press the Up arrow button to scroll main menu. Press Menu, at any time, to exit and •...

  • Page 28: Setting Up The Rate/Totalizer Meter (Setup)

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Setting up the Rate/Totalizer Meter (setup) The Setup menu is used to select: 1. Input signal the meter will accept and enable totalizer features 2. Select the display units/tags 3. Select the decimal point position 4.

  • Page 29: Setting The Input Units Or Custom Tags (Units)

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Setting the Input Units or Custom Tags (units) Enter the input unit or custom tag that will be displayed if d unit is selected as the little display parameter. See the flow chart on page 34 to access the display menu to show the unit or tag on the little display.

  • Page 30: Programming The Rate/Totalizer (Prog)

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Programming the Rate/Totalizer (prog) It is very important to read the following information, before proceeding to program the meter: • The meter is factory calibrated prior to shipment to read in milliamps and volts depending on the input selection.

  • Page 31: Input Calibration Method (Incal)

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Input Calibration Method (InCAL) There are two methods of calibrating (or scaling) the display to show the correct engineering units. Use the Scale menu to enter the scaling without a signal source. •...

  • Page 32: Error Message (Error)

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Error Message (Error) An error message indicates that the calibration or scaling process was not successful. After the error message is displayed, the meter reverts to the input prior to the failure during calibration or scaling and to input 1 during internal calibration, allowing the appropriate input signal to be applied or programmed.

  • Page 33: Time Base, Total Conversion Factor & Total Reset

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Time Base, Total Conversion Factor & Total Reset The time base, total conversion factor, and total reset menus are located in the Program menu. The total and grand total have their own independent settings. This means that one can be displaying the value in gallons while the other displays in million gallons, liters, m , etc.

  • Page 34: Setting The Display Parameter & Intensity (Dsplay)

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Setting the Display Parameter & Intensity (dsplay) The main display (line 1) can be programmed to display: 1. Rate value 2. Total or grand total 3. Toggle rate/total 4. Toggle rate/G-total 5.

  • Page 35: Setting The Relay Operation (Relay)

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Setting the Relay Operation (relay) This menu is used to set up the operation of the relays. During setup, the relays do not follow the input and they will remain in the state found prior to entering the Relay menu.

  • Page 36: Relay Assignment (Assign)

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Relay Assignment (Assign) The relays can be assigned to any of the following parameters: Rate for low or high alarm indication Total for alarm indication Grand total for alarm indication Modbus input Setting the Relay Action Operation of the relays is programmed in the Action menu.

  • Page 37: Setting Fail-Safe Operation

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Setting Fail-Safe Operation In fail-safe mode of operation, the relay coil is energized when the process variable is within safe limits and the relay coil is de-energized when the alarm condition exists. The fail-safe operation is set independently for each relay.

  • Page 38: High Alarm With Fail-Safe Operation (Set > Reset)38

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 High Alarm with Fail-Safe Operation Low Alarm with Fail-Safe Operation (Set > Reset) (Set < Reset) Note: Relay coil is energized in non-alarm condition. Note: Relay coil is energized in non-alarm condition. In case of power failure, relay will go to alarm In case of power failure, relay will go to alarm state.

  • Page 39: Relay Sampling Operation

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Relay Sampling Operation Input Reset Sample Sample Sample Time Time Time Relay When the signal crosses the set point, the relay trips and the sample time starts. After the sample time has elapsed, the relay resets.

  • Page 40: Relay Operation Details

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Relay Operation Details Overview The relay capabilities of the meter expand its usefulness beyond simple indication to provide users with alarm and control functions. These capabilities include front panel alarm status LEDs as well as either 2 or 4 internal relays.

  • Page 41: Latching And Non-Latching Relay Operation

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Latching and Non-Latching Relay Operation Relay terminology for following tables The relays can be set up for latching (manual reset) or non-latching (automatic reset) operation. Terminology Relay Condition Alarm (Tripped) The On and Off terminology does not refer to the status of Normal (Reset) the relay’s coil, which depends on the fail-safe mode Acknowledged...

  • Page 42: Acknowledging Relays

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Acknowledging Relays There are two ways to acknowledge relays programmed for manual reset: 1. Via the programmable front panel function keys F1-F3 (Default: F3 assigned to ACK). 2. Remotely via a normally open pushbutton wired across one of the digital inputs and the +5 V terminals on the digital I/O terminal, or using the F4 digital input, which is triggered with a contact closure to COM, or with an active low signal (see page 19).
  • Page 43 PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Application #2: Pump Alternation Using Relays 3 & 4 1. Relays 1 and 2 are set up for low Set and Reset Point Programming and high alarm indication. Relay Set Point Reset Point Function 2.

  • Page 44: Setting Up The Interlock Relay (Force On) Feature

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Setting up the Interlock Relay (Force On) Feature Relays 1-4 can be set up as interlock relays. To set up the relays for the interlock feature: 1. Access the Setup – Relay – Action menu and set the action to off. 2.

  • Page 45: Scaling The 4-20 Ma Analog Output (Aout)

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Scaling the 4-20 mA Analog Output (Aout) The 4-20 mA analog output can be scaled to provide a 4-20 mA signal for any display range selected. No equipment is needed to scale the analog output; simply program the display values to the corresponding mA output signal.

  • Page 46: Setting Up The Password (Pass)

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Setting up the Password (pass) The Password menu is used for programming three levels of security to prevent unauthorized changes to the programmed parameter settings. Pass 1: Allows use of function keys and digital inputs Pass 2: Allows use of function keys, digital inputs and editing set/reset points Pass 3: Restricts all programming, function keys, and digital inputs Total: Prevents resetting the total manually...

  • Page 47: Making Changes To A Password Protected Meter

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Making Changes to a Password Protected Meter If the meter is password protected, the meter will display the message Locd (Locked) when the Menu button is pressed. Press the Enter button while the message is being displayed and enter the correct password to gain access to the menu.

  • Page 48: Advanced Features Menu

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Advanced Features Menu To simplify the setup process, functions not needed for most applications are located in the Advanced Features menu. Press and hold the Menu button for three seconds to access the advanced features of the meter. Advanced Features Menu &...
  • Page 49 PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Display Parameter Action/Setting Calculate volume in gallons Dimension Inch Dimension Calculate volume in liters Enter the tank’s diameter in inches Diameter diamr Enter the tank’s length in inches Length Length Set low-flow cutoff Cutoff CutofF Count...

  • Page 50: Noise Filter (Filter)

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Noise Filter (filter) The noise filter is available for unusually noisy signals that cause an unstable process variable display. The noise filter averages the input signal over a certain period. The filter level determines the length of time over which the signal is averaged.

  • Page 51: Select Menu (Select)

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Select Menu (SElect) The Select menu is used to select the signal input conditioner applied to the input (linear, square root, programmable exponent, or round horizontal tank), low-flow cutoff, and analog output programming. The multi-point linearization is part of the linear function selection. Signal Input Conditioning (Functn) The Function menu is used to select the signal input conditioner applied to the input: linear, square root, programmable exponent, or round horizontal tank volume...

  • Page 52: Changing The Volume From Gallons To Liters

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Round Horizontal Tank Linearization ( This function automatically calculates the volume in a round horizontal tank with flat ends. Set the display for the desired decimal point and engineering units before entering the round horizontal tank function.

  • Page 53: Analog Output Programming (Aoutpr)

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Analog Output Programming (AoutPr) The Analog Output Programming menu is used to program the behavior of the 4-20 mA output. The following parameters and functions are programmed in this menu: 1. Source: Source for generating the 4-20 mA output (e.g. PV) 2.

  • Page 54: Display Description

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Function Keys & Digital I/O Available Settings Refer to the following table for descriptions of each available function key or digital I/O setting. Display Description Display Description Force relay 1 (*through 4) into the Directly access the relay menu F On 1* relay...

  • Page 55: Internal Source Calibration (Ical)

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Internal Source Calibration (ICAL) The meter is factory calibrated prior to shipment to read in milliamps and volts depending on the input selection. The calibration equipment is certified to NIST standards. The use of calibrated signal sources is necessary to calibrate the internal source of the meter.

  • Page 56: Meter Operation

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Meter Operation The meter is capable of accepting current (0-20 mA, 4-20 mA) and voltage signals (0-5 V, 1-5 V, 0-10 V,  10 V) and displaying these signals in engineering units from -99999 to 999999 (e.g. a 4-20 mA signal could be displayed as -50.000 to 50.000).

  • Page 57: Maximum/Minimum Readings

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Maximum/Minimum Readings The max & min readings (peak & valley) reached by the process can be displayed either continuously or momentary: 1. Display briefly by assigning to the F1-F3 function keys or to the digital inputs in the User menu. 2.

  • Page 58: Troubleshooting

    Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Troubleshooting Due to the many features and functions of the meter, it’s possible that the setup of the meter does not agree with what an operator expects to see. If the meter is not working as expected, refer to the Diagnostics menu and recommendations below.

  • Page 59: Factory Defaults & User Settings

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Factory Defaults & User Settings The following table shows the factory setting for most of the programmable parameters on the meter. Parameter Display Default Setting Parameter Display Default Setting Relay 3 Input type 4-20 mA Input...
  • Page 60 Helios Large Display Analog Input Rate/Totalizer Instruction Manual PD2-6200 Parameter Display Default Setting Parameter Display Default Setting Source Minimum Rate/process 1.000 mA Source analog output output Overrange F1 function 21.000 mA Reset max & min O-rang output Underrange Password 1 000000 (unlocked) Pass 1 3.000 mA...

  • Page 61: Troubleshooting Tips

    PD2-6200 Helios Large Display Analog Input Rate/Totalizer Instruction Manual Troubleshooting Tips Symptom Check/Action No display at all Check power at power connector Not able to change setup or Meter is password-protected, enter correct six-digit password to programming, Locd is displayed unlock Check: Signal connections...

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