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Produits»Precision Digital»NOVA Temperature/Process Controllers»NOVA Digital Process/Temperature Meters
 
NOVA Digital Indicator (PD560)
Fabricant: Precision Digital
 
Commençant à: $239.00 (USD)
Stock Status: 1 à 2 semaines

FEATURES

The PD560 Series of meters combines excellent standard features including a universal input, alarm relay, and a
4 to 20 mA retransmitting output with powerful options including an additional two alarm relays, digital inputs, and RS-485 serial communication including Modbus.

  • Thermocouple, RTD, & Process Inputs
  • Universal Power Supply 100-240 VAC
  • Up to 3 Alarm Relays
  • Retransmitting 4-20 mA Output
  • Input Max/Min Display Reset with Digital Inputs
  • RS-485 Serial Communications Option
  • Modbus¢ç RTU/ASCII Communications
  • Free Monitoring & Data Logging Software
  • IP55 & IP65 Fronts
  • 1/8 & 1/4 DIN Sizes
  • 3 Year Warranty

    OPERATION

    Alarm Relays

    All PD560 Series Digital Meters have a standard 3 A Form C (SPDT) alarm relay. Up to two additional 1 A Form A (SPST) relays may be added. All relays can be programmed for a variety of alarm types.

    • High/Low Alarms
    • Set Point Deviation Alarms
    • Fail-Safe and Standby Alarms
    • Relay Delays and Reset Deadbands

    4-20 mA Retransmitting Output

    A 4-20 mA powered output is standard on all PD560 Series models. The output can be programmed to transmit over any input scale for any input type.

    Transmitter Loop Power Supply

    The 4-20 mA retransmitting output may be configured to provide a 14 to 18 VDC @ 20 mA transmitter power supply.

    Input Bias Adjustment

    Up to five bias points can be used to provide precise offset adjustments at specific input values. The controller will use the offset to create a smooth input value curve leading up to the bias points.

    Display Max/Min Input Values

    PD560 Digital Meters can record and display maximum and minimum input values. These values will be stored until reset by the user power to the meter is lost. Through the use of the user defined displays, these values can be accessible with the push of the SET/ENT button.

    Digital Input Max/Min Reset

    Two digital inputs can be added as an optional feature. Digital inputs are activated by closing contacts or low logic levels. The configuration of the two inputs can be used to hold or reset the maximum and minimum input values simultaneously or independently.


    DISL DI1 DI2 Operation
    1 off - Reset MIN, MAX
    on - Start MIN, MAX
    2 off - Reset MIN
    on - Start MIN
    - off Reset MAX
    - on Start MAX
    NO switches (external excitation not required) or open collector transistor

    Serial Communications & Adapters

    Nova meters with the serial communications option can be used for data acquisition or with Modbus communication (RTU and ASCII). Nova meters transmit via RS-485. PDA7485 RS-232 to RS-485 isolated and non-isolated converters and PDA8485 USB to RS-485 isolated and non-isolated converters are available for use with the Nova Multi-Monitoring software or other PC applications.

  • NOVA Digital Indicator
     
    SPECIFICATIONS
    Except where noted all specifications apply to operation at +25¡ÆC.

    General

    Display: Dual 4 digits, red LED, -1999 to 9999

    DIN SIZE PV Display
    Inch(mm)
    SP Display
    Inch (mm)
    Weight
    oz (g)
    1/8 (H) 0.78 (19.8) 0.45 (11.5) 10.0 (285)
    1/4 0.81 (20.5) 0.43 (11.0) 13.9 (394)
    Front Panel: Panel gasket provided.
    1/8 DIN: IP65
    1/4 DIN: IP55
    Programming Methods: Four front panel buttons and Modbus
    Noise Filter: Programmable 1 to 120 seconds, or off
    Display Update Rate: 4/second
    Max/Min Display: Stored until reset by user or meter is turned off.
    Password: Restricts modification of programmed settings.
    Non-Volatile Memory: Settings stored for a minimum of 10 years
    Power: 100-240 VAC, 50/60 Hz, 10 W
    Required Fuse: UL Recognized, 1 A, 250 V, slow-blow
    Isolation: 2300 V input/output-to-power line; 4 kV relay output-to-input/output/power line.
    Operating Temperature: 10 to 50¡ÆC
    Storage Temperature: -40 to 85¡ÆC
    Relative Humidity: 20 to 90% non-condensing
    Enclosure: 1/8 & 1/4 DIN available; impact-resistant plastic; color: black
    UL File Number: E244207; Process Control Equipment
    Approvals: UL & C-UL Recognized, CE Compliant
    Warranty: 3 years parts & labor
    Extended Warranty: 1 or 2 years, refer to Price List for details.

    Temperature Inputs

    Inputs: Factory calibrated, field selectable: J, K, T, E, B, R, S, L, U, N, W, and Platinel II thermocouples and 100 ¥Ø (0.00385 or 0.00392 curve)
    Cold Junction Reference:Automatic or off
    Offset Adjustment: Four programmable input bias zones
    Sensor Break: Up or down scale, user selectable; display reads S.OPN; alarm relays will follow the up or down scale selection.

    Type Range (¡ÆC) Range (¡ÆF) Accuracy
      K1 -200 to 1370 -300 to 2500 >0¨¬C: ¡¾0.1% FS ¡¾1 count
    <0¨¬C: ¡¾0.2% FS ¡¾1 count
    K2 -199.9 to 999.9 0 to 2300
    J -199.9 to 999.9 -300 to 2300
    T -199.9 to 400.0 -300 to 750
    E -199.9 to 999.9 -300 to 1800
    B 0 to 1800 32 to 3300 >400¨¬C: ¡¾0.15% FS ¡¾1 count
    <400¨¬C: ¡¾5% FS ¡¾1 count
    R 0 to 1700 32 to 3100 ¡¾0.15% FS ¡¾1 count
    S 0 to 1700 32 to 3100
    L -199.9 to 900.0 -300 to 1600 >0¨¬C: ¡¾0.1% FS ¡¾1 count
    <0¨¬C: ¡¾0.2% FS ¡¾1 count
    U -199.9 to 400.0 -300 to 750
    N -200 to 1300 -300 to 2400 >0¨¬C: ¡¾0.1% FS ¡¾1 count
    <0¨¬C: ¡¾0.25% FS ¡¾1 count
    W 0 to 2300 32 to 4200 ¡¾0.2% FS ¡¾1 count
    Platinel II 0 to 1390 32 to 2500 ¡¾0.1% FS ¡¾1 count
    PtA -199.9 to 850.0 -300 to 1560 ¡¾0.1% FS ¡¾1 count
    PtB -199.9 to 500.0 -199.9 to 999.9
    PtC -19.99 to 99.99 -4.0 to 212.0 ¡¾0.2% FS ¡¾1 count
    JPtA -199.9 to 500.0 -199.9 to 999.9 ¡¾0.1% FS ¡¾1 count
    JPtB -150.0 to 150.0 -199.9 to 300
    *Performance within recommended operating conditions (10 to 50 ¨¬C, 20 to 90% RH)

    Process Inputs

    Inputs: Field selectable: 0.4 to 2.0 V, 1 to 5 V, 0 to 10 V, -10 to 20 mV, 0 to 100 mV. 4-20 mA input requires 100 ¥Ø resistor connected across input terminals (order P/N: PDX-RES1).

    Accuracy:
    ¡¾0.1% FS ¡¾1 count
    Decimal Point:
    Up to 3 decimals: 9.999, 99.99, 999.9, or 9999
    Calibration:
    All inputs are calibrated at the factory
    Scale Range:
    User programmable over entire range
    Transmitter Supply:
    14 to 18 VDC @ 20 mA; available instead of retransmitting analog output; selection is made through the front panel.

    Alarm Relays

    Ratings: 1 Form C (SPDT) standard; rated 3 A @ 30 VDC or 3 A @ 250 VAC resistive load. 1 or 2 Form A (SPST) optional; rated 1 A @ 30 VDC or 1 A @ 250 VAC resistive load
    High/Low Alarm: User may program any alarm for absolute high or low operation, forward or reverse (fail-safe) mode.
    Alarm Deadband: 0-100% FS, user selec
    Alarm Delay:
    0 to 99 minutes and 59 seconds
    Reverse Operation (Fail-Safe):
    Programmable, independent for each alarm. Relay coils are energized in non-alarm condition. In case of power failure, relays will go to alarm state.
    Forward Operation:
    Relay coils are energized in alarm condition. In case of power failure, relays will go to non-alarm state.
    Auto Alarm Initialization: Normal and standby operation independent for each alarm. Normal alarms will reflect the state of the input to the meter at all times. Standby alarms will not trigger if the change to alarm state is a result of power up cycle, set point change, or alarm configuration change.

    4-20 mA Retransmitting Output

    Scaling Range: 4-20 mA output can be scaled for any display
    Accuracy: ¡¾0.1% FS
    Power: Internally powered 4-20 mA output
    Isolation: 500 V input-to-output
    Output Loop Resistance: 600 ¥Ø max

    Digital Inputs

    Configuration: Two contacts. Two operating modes
    Contacts: Normally open switches (external excitation note required) or open collector transistor
    Open Circuit Voltage: Approximately 5 VDC
    Logic Levels: LO=0 to 0.8 VDC, HI=4.7 to 28 VDC
    Operation Modes: Mode 1: Store and reset max & min display values simultaneously. Mode 2: Store and reset max & min display values independently.

    Serial Communications

    Compatibility: EIA-485
    Protocol: PC, Modbus (ASCII, RTU)
    Address: 1 to 99 (Max 31 units connected)
    Baud Rate: 600 to 19,200 bps
    Data: 7 or 8 bit, automatic when using Modbus protocol
    Transmit Time Delay: 0 to 100 ms
    Stop Bit: 1 or 2
    Parity: None, even, or odd

     Ressources
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    Fichier PDF – requiert Adobe Reader Instruction Manual
     Informations
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