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3108
 
 

3108

 

Isolated repeater / splitter

 

  • Isolation and conversion of current signals
  • Slimline housing of 6 mm
  • Response time <7 ms
  • Splitter function: 1 in - 2 out
  • Simple - no setup needed
  1. Overview +

  2. Technical details +

  3. Accessories +


Application

  • Isolation and conversion of standard DC signals.
  • Galvanic separation of analog current signals.
  • Elimination of ground loops and measurement of floating signals.
  • A competitive choice in terms of both price and technology for galvanic isolation of current signals to SCADA systems or PLC equipment.
  • Installation in ATEX Ex zone 2 / IECEx Zone 2 / FM division 2.
  • Suitable for environments with high vibration stress, e.g. ships.

Technical characteristics

  • The input is protected against overvoltage and polarity error.
  • Factory-calibrated measurement ranges.
  • Inputs and outputs are floating and galvanically separated.

Environmental Conditions

  • Operating temperature

    -25°C to +70°C

  • Storage temperature

    -40°C to +85°C

  • Calibration temperature

    20...28°C

  • Relative humidity

    < 95% RH (non-cond.)

  • Protection degree

    IP20

  • Installation in

    Pollution degree 2 & meas. / overvoltage cat. II

Mechanical specifications

  • Dimensions (HxWxD)

    113 x 6.1 x 115 mm

  • Weight approx.

    70 g

  • DIN rail type

    DIN EN 60715/35 mm

  • Wire size

    0.13 x 2.5 mm2 / AWG 26...12 stranded wire

  • Screw terminal torque

    0.5 Nm

  • Vibration

    IEC 60068-2-6

  • 2...25 Hz

    ±1.6 mm

  • 25...100 Hz

    ±4 g

Common specifications

  • Supply

  • Supply voltage

    16.8...31.2 VDC

  • Max. required power

    0.75 W

  • Max. power dissipation

    0.48 W

  • Isolation voltage

  • Isolation voltage, test / working

    2.5 kVAC / 300 VAC (reinforced)

  • Zone 2 / Div. 2

    250 VAC

  • Response time

  • Response time (0...90%, 100...10%)

    < 7 ms

  • Signal / noise ratio

    > 60 dB

  • Cut-off frequency (3 dB)

    > 100 Hz

  • Signal dynamics, input

    Analog signal chain

  • Signal dynamics, output

    Analog signal chain

  • Accuracy

    Better than 0.05%

  • Temperature coefficient

    < ±0.01% of span / °C

  • EMC immunity influence

    < ±0.5% of span

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

    < ±1% of span

Input specifications

  • Current input

  • Measurement range

    0...23 mA

  • Input voltage drop

    < 1.5 VDC

Output specifications

  • Current output

  • Signal range

    0...23 mA

  • Load (@ current output)

    ≤ 300 Ω

  • Load stability

    ≤ 0.002% of span / 100 Ω

  • Current limit

    ≤ 28 mA

  • of span

    = 0...20 mA

I.S. / Ex marking

  • ATEX

    II 3 G Ex nA IIC T4 Gc

  • IECEx

    Ex nA IIC T4 Gc

  • FMus

    Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, AEx nA IIC T4

  • FMca

    Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, Ex nA IIC T4

Observed authority requirements

  • EMC

    2014/30/EU

  • LVD

    2014/35/EU

  • RoHS

    2011/65/EU

  • EAC

    TR-CU 020/2011

Approvals

  • ATEX 2014/34/EU

    KEMA 10ATEX0147 X

  • IECEx

    KEM 10.0068X

  • FM

    FM17US0004X / FM17CA0003X

  • DNV-GL Marine

    Stand. f. Certific. No. 2.4

  • UL

    UL 61010-1

  • EAC Ex TR-CU 012/2011

    RU C-DK.GB08.V.00410

  • CCOE

    P337347/1

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