Loop powered isolator

 

3185

 

  • 1 or 2 channel input loop powered isolator
  • Signal 1:1 functional range 0...23 mA
  • Low input voltage drop and fast response time
  • Excellent accuracy and high load stability
  • Slimline 6.1 mm housing
Zone2 Ex Iec Iecex Zone2 Fmapprovedcus Zone2 UL List CCC DNV Eac Ex Mpa EAC UKCA CE Pr Rohs Guarantee

Application

  • 1:1 input loop powered isolator of current signals in the range 0(4)...20 mA.
  • 3185 is an easy mounting DIN rail unit.
  • A very competitive choice in terms of both price and technology for galvanic isolation of current signals.
  • Provides surge suppression and protects control systems from transients and noise.
  • 3185 eliminates ground loops and can be used for measuring floating signals.
  • The device can be mounted in Safe area or in Zone 2 and Cl. 1 Div 2. area.

Technical characteristics

  • 3185 is powered by the analog input current signal loop.
  • Low input voltage drop, typ 1.35 V + Vout.
  • Excellent conversion accuracy, better than 0.1% in the range 0…20.5 mA.
  • Functional range is 0...23 mA which means that 3185 is NAMUR NE43 compliant.
  • Inputs and outputs are floating and galvanically separated.
  • The output is voltage limited to 17.5 VDC.
  • High galvanic isolation of 2.5 kVAC.
  • Fast response time < 5 ms.
  • Excellent signal/noise ratio > 60 dB.

Mounting / installation / programming

  • DIN rail mounting with up to 330 channels per meter.
  • Temperature operation range is from -25...+70°C.

Data sheet & Manuals


Data sheet

Manuals

Manuals in Russian

Approvals & Certificates


ATEX certificate

IECEx certificate

UKEX certificate

CCC certificate

FM certificate

UL certificate

DNV marine certificate

EAC declaration

EAC Ex certificate

Metrology Pattern Approval (MPA), Russia

Supplementary documentation


EU Declaration of Conformity

UKCA Declaration of Conformity

EMC data
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