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Product short description:
  • 4-20mA DC input
  • 4-20mA DC output
  • 1500V AC peak isolation DC prevents ground loops
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The 270i accepts a process current input and provides an isolated 4 to 20mA process current output signal. Power is received from the input signal current.

These isolators use transformer isolation to effectively break the electrical path between the transmitted signal and the receiving device. This eliminates ground loops, reduces noise, and helps protect against transients for more accurate and reliable measurements.

This product is also extremely easy to install. All units are factory calibrated for loads up to 600 ohms to eliminate any need for load trim adjustments.

  • Excellent accuracy and stability ensure reliable measurements in harsh industrial environments.
  • 1500V AC peak isolation (250V AC or 354V DC continuous) prevents ground loops.
  • RFI and EMI resistance minimize the effects of environmental noise.
  • Calibration is independent of the load to eliminate load compensation adjustments
  • Zero and span adjustment enable precise calibration.
  • Compact, 1-inch wide housing uses less space for easier installation in control panels.
  • Input current sense resistor simplifies field diagnostics
  • Operating temperature range -13 to 185°F (-25 to 85°C)

Specs & Catalogs

Manuals

270i Series User Manual (Log in to download the file)

Additional information

Weight 16 oz
Dimensions 3 × 1 × 3.2 in
Part Number

270i-20MA-N4-NCR: NEMA 4, water-tight, holds two; no certification/approval required, 270i-20MA-XP-DT1: explosion-proof NEMA 4 holds one; CSA approval, Div 2 hazardous locations, 270i-20MA-ST-DT1: SNAPTRACK mount; CSA approval, Div 2 hazardous locations, 270i-20MA-SM-DT1: surface-mount; CSA approval Div 2 hazardous locations, 270i-20MA-N12-NCR: NEMA 12, oil-tight, holds two; no certification/approval required, 270i-20MA-DIN-NCR: DIN rail G or T mount; no certification/approval required, 270i-20MA-XP-NCR: explosion-proof NEMA 4 holds one; no certification/approval required, 270i-20MA-ST-NCR: SNAPTRACK mount; no certification/approval required, 270i-20MA-SM-NCR: surface-mount; no certification/approval required, 270i-20MA-N4-DT1: NEMA 4, water-tight, holds two; CSA approval Div 2 hazardous locations, 270i-20MA-N12-DT1: NEMA 12, oil-tight, holds two; CSA approval Div 2 hazardous locations, 270i-20MA-DIN-DT1: DIN rail G or T mount; CSA approval Div 2 hazardous locations

Product Series

FlatPack Series

Communication
Configuration
FPGA Type
Logic Cells
Power
  • Description

    The 270i accepts a process current input and provides an isolated 4 to 20mA process current output signal. Power is received from the input signal current.

    These isolators use transformer isolation to effectively break the electrical path between the transmitted signal and the receiving device. This eliminates ground loops, reduces noise, and helps protect against transients for more accurate and reliable measurements.

    This product is also extremely easy to install. All units are factory calibrated for loads up to 600 ohms to eliminate any need for load trim adjustments.

  • Features & Benefits

    • Excellent accuracy and stability ensure reliable measurements in harsh industrial environments.
    • 1500V AC peak isolation (250V AC or 354V DC continuous) prevents ground loops.
    • RFI and EMI resistance minimize the effects of environmental noise.
    • Calibration is independent of the load to eliminate load compensation adjustments
    • Zero and span adjustment enable precise calibration.
    • Compact, 1-inch wide housing uses less space for easier installation in control panels.
    • Input current sense resistor simplifies field diagnostics
    • Operating temperature range -13 to 185°F (-25 to 85°C)
  • Specs & Data Sheets

    Specs & Catalogs

    Manuals

    270i Series User Manual (Log in to download the file)

  • Additional information

    Additional information

    Weight 16 oz
    Dimensions 3 × 1 × 3.2 in
    Part Number

    270i-20MA-N4-NCR: NEMA 4, water-tight, holds two; no certification/approval required, 270i-20MA-XP-DT1: explosion-proof NEMA 4 holds one; CSA approval, Div 2 hazardous locations, 270i-20MA-ST-DT1: SNAPTRACK mount; CSA approval, Div 2 hazardous locations, 270i-20MA-SM-DT1: surface-mount; CSA approval Div 2 hazardous locations, 270i-20MA-N12-NCR: NEMA 12, oil-tight, holds two; no certification/approval required, 270i-20MA-DIN-NCR: DIN rail G or T mount; no certification/approval required, 270i-20MA-XP-NCR: explosion-proof NEMA 4 holds one; no certification/approval required, 270i-20MA-ST-NCR: SNAPTRACK mount; no certification/approval required, 270i-20MA-SM-NCR: surface-mount; no certification/approval required, 270i-20MA-N4-DT1: NEMA 4, water-tight, holds two; CSA approval Div 2 hazardous locations, 270i-20MA-N12-DT1: NEMA 12, oil-tight, holds two; CSA approval Div 2 hazardous locations, 270i-20MA-DIN-DT1: DIN rail G or T mount; CSA approval Div 2 hazardous locations

    Product Series

    FlatPack Series

    Communication
    Configuration
    FPGA Type
    Logic Cells
    Power