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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 & measurement / 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
2...25 Hz ±1.6 mm
25...100 Hz ±4 g

Common specifications

Supply

Supply voltage 16.8...31.2 VDC
Max. required power 0.8 W
Internal power dissipation 0.4 W (typ.) / 0.65 W (max.)

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
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 ≤ 0.01% of span / 100 Ω
Current limit ≤ 28 mA
*of span = 0...20 mA

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 V1-7-2
UL UL 61010-1
EAC Ex TR-CU 012/2011 RU C-DK.GB08.V.00410
CCOE P337347/1
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