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KFD2-CRG2-1D

Isolated Amplifier

Isolated Amplifier
  List Price (ex VAT): £297.87  
  In stock  
  Order Code: KFD2-CRG2-1D  
  Manufacturer Code: 255621  
     

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Product details


Intrinsic safety & signal conditioning

Transmitter power supply with trip point relays


This signal conditioner provides the isolation for non-intrinsically safe applications.

The device supplies 2-wire and 3-wire transmitters, and can also be used with 2-wire current sources.

It transfers the analogue input signal as two isolated current values.

Both outputs provide a 0/4-20mA current corresponding to the input signal. The minimum available field voltage is 16V at 20mA.

If necessary, the internal resistance of 250Ω between terminals 8, 9 and 11, 12 can be used for conversion into a 0-5V voltage signal.

Technical specification
Supply voltage:20-32V d.c.
Power loss:Approx. 1.8W
Power consumption:Approx. 2.4W
No. of channels:1
Input/output:Analogue input
Output:
 Connection:Terminals 7-, 8+, 9; 20-, 11+, 12
 Load:0-550Ω
 Output signal:0/4-20mA
 Ripple:≤50μArms
Input:
 Connection:Terminals 1, 2, 3
 Input signal:0/4-20mA
 Open circuit voltage:Terminals 1+, 3-: 22.7V
 Short circuit current:38mA
 Input resistance:Terminals 2-, 3: ≤85Ω
 Available voltage:Terminals 1+, 3: ≤16V at 20mA
 Ripple:50mVss at 20mA
Ambient temperature:-20 to +60°C
Protection rating:IP20
Mounting:35mm DIN rail or panel mount
Dimensions:w20 x h119 x d115mm

Features:
  • 3 port isolation
  • Single-channel signal conditioner
  • 24V d.c. supply (power rail)
  • Input 2-wire and 3-wire transmitters and 2-wire current sources
  • Signal splitter (1 input and 2 outputs)
  • Dual output: 0/4-20mA
  • Accuracy: 0.1%
  • Up to SIL3 acc. to IEC 61508
  • Limit detection with dual form C alarm contacts
  • Removable terminals reduce maintenance time
  • Fault detection and alarming


  • PLEASE NOTE: This device is not suitable for use in hazardous areas



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