4225
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Universal f/I-f/f converter 4225 – Front programmable – Input: NAMUR, NPN, PNP, Tacho, TTL & S0 – Output: Programmable bipolar mA / V, frequency or relay – Universal power supply 21.6...253 VAC / 19.2...300 VDC Functional highlights • Measures frequencies up to 100 kHz. • Active and passive current output ±23 mA / 0...23 mA. • Buffered voltage output ±10 VDC. • Linearization: Linear or square root function. • 2-point process calibration. • Programmable trigger levels -0.05…6.5 V. • Programmable sensor supply 5…17 V. • NAMUR sensor error detection. • Advanced configurable input limits for increased safety. • Digital output: NPN & PNP; 0...100 kHz with programmable logic level 5…24 V. • Output relay with windows, setpoint and latch functionality. • Simulation of process value during commissioning and maintenance. • All terminals are over-voltage protected (24 VDC), polarity protected and short-circuit protected. Technical highlights • Accuracy < 0.06% / span. • Temperature coefficient 0.006% / °C. • Response time < 30 ms. • 2.3 kVAC, 3-port galvanic isolation. • NAMUR NE21 and NE43. Programming • Configuration, monitoring and diagnostics using the PR 4500 detachable communication interfaces. Product-specific functionality includes communication via Modbus and Bluetooth using our PR Process Supervisor (PPS) application, available for iOS and Android. • All programming can be password protected. • Scrolling help text in 7 languages. Mounting • Units can be mounted side by side, horizontally and vertically, without air gap on a standard DIN rail – even at 60°C ambient temperature. This page is automatically generated on the basis of information provided on www.prelectronics.com and affiliated websites. It is provided to you as a service and for information purpose only. While we have attempted to maintain the information as accurately as possible, the page may contain er