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5115B
 
 

5115B

 

Ex signal calculator

 

  • Redundancy measurement with 2 input signals
  • Signal calculator with the four arithmetical operations
  • Duplication of the input signal
  • Input for RTD, Ohm, TC, mV, mA, and V
  • Universal supply by AC or DC

  1. Overview +

  2. Technical details +

  3. Accessories +

Application

  • Redundancy measurement of temperature by means of two sensors, where the secondary sensor takes over the measurement when a sensor error occurs on the primary sensor.
  • Duplication of the input signal, e.g. from a temperature sensor or an analog process signal to two separate analog outputs.
  • Signal calculator with four arithmetical operations: Addition, subtraction, multiplication and division.
  • Example: Differential measurement:
    (Input 1 * K1) - (Input 2 * K2) + K4
  • Example: Average measurement:
    (Input 1 * 0.5) + (Input 2 * 0.5) + K4
  • Example: Different functions on the outputs:
    Output 1 = input 1 - input 2, and Output 2 = input 1 + input 2
  • I.S. safety barrier and power supply for 2-wire transmitters.

Technical characteristics

  • Within a few seconds the user can program PR5115B to a selected application using the configuration program PReset.
  • A green front LED indicates normal operation, sensor error on each sensor, and functional error.
  • 5-port 3.75 kVAC galvanic isolation.

Mounting / installation

  • Mounted vertically or horizontally on a DIN rail. As the devices can be mounted without any distance between neighboring units, up to 42 devices can be mounted per meter.

Data sheet

Ex certificate

Russian manual

DNV marine certificate

EAC certificate

Environmental Conditions

  • Operating temperature

    -20°C to +60°C

  • Calibration temperature

    20...28°C

  • Relative humidity

    < 95% RH (non-cond.)

  • Protection degree

    IP20

Mechanical specifications

  • Dimensions (HxWxD)

    109 x 23.5 x 130 mm

  • Weight approx.

    225 g

  • Wire size

    1 x 2.5 mm2 stranded wire

  • Screw terminal torque

    0.5 Nm

  • Vibration

    IEC 60068-2-6

  • 2...13.2 Hz

    ±1 mm

  • 13.2...100 Hz

    ±0.7 g

Common specifications

  • Supply

  • Supply voltage, universal

    21.6...253 VAC, 50...60 Hz or 19.2...300 VDC

  • Fuse

    400 mA SB / 250 VAC

  • Max. required power

    ≤ 3 W

  • Internal power dissipation

    ≤ 2.0 W

  • Isolation voltage

  • Isolation voltage, test / working

    3.75 kVAC / 250 VAC

  • PELV/SELV

    IEC 61140

  • Response time

  • Temperature input, programmable (0...90%, 100...10%)

    400 ms...60 s

  • mA / V input (programmable)

    250 ms...60 s

  • Programming

    Loop Link

  • Signal / noise ratio

    Min. 60 dB (0...100 kHz)

  • Accuracy

    Better than 0.05% of selected range

  • Updating time

    115 ms (temperature input)

    75 ms (mA / V / mV input)

  • Redundancy switch-over time

    ≤ 400 ms

  • Signal dynamics, input

    22 bit

  • Signal dynamics, output

    16 bit

  • Auxiliary voltages: Reference voltage

    2.5 VDC ±0.5% / 15 mA

  • EMC immunity influence

    < ±0.5% of span

  • Extended EMC immunity: NAMUR NE21, A criterion, burst

    < ±1% of span

Input specifications

  • Common input specifications

  • Max. offset

    50% of selected max. value

  • RTD input

  • RTD type

    Pt100, Ni100, lin. R

  • Cable resistance per wire

    10 Ω (max.)

  • Sensor current

    Nom. 0.2 mA

  • Effect of sensor cable resistance (3-/4-wire)

    < 0.002 Ω / Ω

  • Sensor error detection

    Yes

  • TC input

  • Thermocouple type

    B, E, J, K, L, N, R, S, T, U, W3, W5, LR

  • Cold junction compensation (CJC)

    < ±1.0°C

  • Sensor error current

    Nom. 30 μA

  • Current input

  • Measurement range

    0...100 mA

  • Min. measurement range (span)

    4 mA

  • Input resistance: Supplied unit

    Nom. 10 Ω + PTC 10 Ω

  • Input resistance: Non-supplied unit

    RSHUNT = ∞, VDROP < 6 V

  • Voltage input

  • Measurement range

    0...250 VDC

  • Min. measurement range (span)

    5 mV

  • Input resistance

    Nom. 10 MΩ (≤ 2.5 VDC)

    Nom. 5 MΩ (> 2.5 VDC)

    Nom. 10 MΩ (mV input)

  • mV input

  • Measurement range

    -150...+150 mV

Output specifications

  • Current output

  • Signal range

    0...20 mA

  • Min. signal range

    10 mA

  • Load (@ current output)

    ≤ 600 Ω

  • Load stability

    ≤ 0.01% of span / 100 Ω

  • Current limit

    ≤ 28 mA

  • Sensor error indication

    Programmable 0...23 mA

  • NAMUR NE43 Upscale/Downscale

    23 mA / 3.5 mA

  • Voltage output

  • Signal range

    0...10 VDC

  • Min. signal range

    500 mV

  • Load (@ voltage output)

    ≥ 500 kΩ

  • Passive 2-wire mA output

  • Effect of external 2-wire supply voltage variation

    < 0.005% of span / V

  • Max. external 2-wire supply

    29 VDC

  • 2-wire 4...20 mA output: Signal range

    4...20 mA

  • Load stability, 4…20 mA output

    ≤ 0.01% of span / 100 Ω

  • of span

    = of the presently selected range

Observed authority requirements

  • EMC

    2014/30/EU

  • LVD

    2014/35/EU

  • EAC

    TR-CU 020/2011

Approvals

  • ATEX 2014/34/EU

    DEMKO 00ATEX128567, II (1) GD [EEx ia] IIC

  • EAC Ex TR-CU 012/2011

    RU C-DK.GB08.V.00410

  • DNV-GL Marine

    Stand. f. Certific. No. 2.4

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