Description

PR 4179 Universal AC / DC transmitter – PR Electronics

The PR Electronics 4179 Universal AC/DC Transmitter is a highly accurate device designed to measure AC current and voltage signals and convert them into standard analog outputs. With passive or active current output, voltage output, and functional safety compliance, the PR 4179 delivers reliable signal conditioning for critical process applications.

Key Features

• Measures AC current up to 5 AAC RMS and AC voltage up to 300 VAC RMS

• Outputs: active unipolar/bipolar mA, passive 2-wire mA, and voltage signals

• Response time < 0.75 s and accuracy better than 0.3%

• Universal power supply: 21.6…253 VAC / 19.2…300 VDC

• Configurable input limits for safety and error handling

• 3-port galvanic isolation (2.3 kVAC) for safe operation

• Fully programmable via PR 4500 detachable display series

Applications

• Current transformer measurement (0–5 AAC RMS)

• Supply voltage monitoring (0–300 VAC RMS)

• Conversion of narrow AC inputs to wide unipolar/bipolar outputs (e.g., 0–1 VAC input to ±10 V or 4–20 mA output)

• Safety-critical process monitoring with SIL 2 and ISO-13849 Performance Level d compliance

• Signal conditioning in industrial automation, power, and energy systems

Technical Highlights

• Accuracy: < 0.3% of span | Signal/noise ratio: > 60 dB

• Programmable output ranges: 0–20, 4–20, ±10, ±20 mA and 0/1–5 V, 0/2–10 V, ±1/±10 V

• Passive 2-wire loop-powered mA output supported

• Adjustable response time: 0.0–60.0 s

• Exceptional output stability: < 0.001% span/100 Ω

• Compliance with NAMUR NE21 (EMC immunity) and NAMUR NE43 (sensor error detection)

Certifications & Approvals

• c UL us, UL 508 (E248256)

• RoHS, EMC, LVD, EAC compliant

• SIL hardware assessed for functional safety applications

Product Details

• Part Number: PR 4179

• Product Name: Universal AC/DC Transmitter

• Manufacturer: PR Electronics

• Origin: Denmark

• Condition: New / Original Packing

PR 4179 Universal AC / DC transmitter from PR Electronics with mA/Voltage output.

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Application

• The 0…5 AAC RMS range makes it possible to accurately measure a typical current transformer.
• The 0…300 VAC RMS range allows accurate supply voltage monitoring.
• The 4179 measures standard input ranges, and can be freely configured to customer-defined input range.
• Converts narrow AC current / voltage inputs to wide bipolar or unipolar outputs, e.g. 0…1 VAC RMS input = ±10 volt or 4…20 mA output with a minimum span of 0.5 AAC RMS or 0.5 VAC RMS.
• Configurable input limits control the output value for increased safety.
• The 4179 has been designed according to strict safety requirements and is therefore suitable for application in SIL 2 installations.
• Suitable for the use in systems up to Performance Level “d” according to ISO-13849.

Technical characteristic – 4179 Universal AC / DC transmitter 

• The latest analog and digital techniques are used to obtain maximum accuracy and immunity to interference.
• Possibility of output safety feedback by selecting S4…20 mA output.
• The current output can drive up to 800 Ohms, with an adjustable response time of 0.0…60.0 seconds.
• Exceptional mA output load stability of <0.001% of span / 100 Ohm.
• Meets the NAMUR NE21 recommendations, ensuring high accuracy in harsh EMC environments.
• Meets the NAMUR NE43 recommendations, allowing the control system to easily detect an input error.
• Tested to a high 2.3 kVAC, 3-port galvanic isolation level.
• Excellent signal to noise ratio of > 60 dB.

Mounting / installation / programming – 4179 Universal AC / DC transmitter from PR Electronics

• Very low power consumption means units can be mounted side by side without an air gap – even at 60°C ambient temperature.
• Configuration, monitoring, 2-point process calibration and more are accomplished using PR’s 4500 series of detachable displays.

Data sheet

• 4179.pdf