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

Datasheet