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Universal AC / DC transmitter
Measures AC current and voltage signals
Outputs passive or active current signals
Programming, process monitoring and diagnostics via PR 4500
Response time < 0.75 s and excellent accuracy better than 0.3%
Universally powered by 21.6…253 VAC / 19.2…300 VDC
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 VAMS 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.
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
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.