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43AP-PA42N/TA-1A

The 43AP-PA42N/TA-1A is a precision signal conditioning module from Foxboro's 43AP series, designed for reliable signal processing in industrial automation systems. This unit provides electrical isolation and signal conversion between field instruments and control systems.

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Key Features:

Signal Isolation: 1500V AC isolation between input/output/power

Signal Conversion: 4-20mA to 4-20mA (with isolation)

HART Communication: Supports HART protocol signal pass-through (if equipped)

High Accuracy: ±0.1% of span typical

LED Indicators: Power and signal status monitoring

DIN Rail Mounting: Compact form factor for panel installation

Technical Specifications:

Input: 4-20mA (2-wire or 4-wire configurable)

Output: Isolated 4-20mA (load capacity 500Ω max)

Power Supply: 24V DC nominal (18-30V DC range)

Isolation: 1500V AC input-to-output-to-power

Response Time: <100ms (90% of final value)

Operating Temperature: -20°C to +60°C

Relative Humidity: 5-95% non-condensing

Certifications & Compliance:

CE Marked

UL/cUL Listed

ATEX/IECEx (for hazardous area versions)

RoHS Compliant

Typical Applications:

Process variable transmission (pressure, temperature, flow)

Control system interface isolation

Signal distribution in DCS/PLC systems

Intrinsic safety barriers replacement