PR electronics 4225 - Functional Highlights

4225V100-UK 7
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.