PR Electronics Universal f/I-f/f Converter Series Frequency Current Converter Current Frequency Input Analogue 4225C

PR Electronics 4225C Universal f/I-f/f converter Series frequency/current converter is a versatile signal conditioning device designed for industrial automation and measurement applications. It features front programming capabilities and measures frequencies up to 100 kHz, making it suitable for monitoring and converting frequency and current signals in a wide range of industrial processes.

This device supports a universal power supply range of 21.6 to 253 VAC and 19.2 to 300 VDC, ensuring compatibility with various power systems. The converter provides both active and passive current outputs of ±23 mA as well as voltage outputs, all of which are programmable according to user requirements. It accepts inputs from diverse sensor types including NAMUR, NPN, PNP, tacho, TTL, and S0, facilitating integration with many sensor configurations.

The product offers robust safety and reliability features including 2.3 kV ac galvanic isolation across three ports, protecting against electrical noise and ensuring signal integrity. All terminals are protected against over-voltage, polarity reversal, and short circuits, enhancing the durability and operational safety of installations.

Designed for easy mounting on standard DIN rails, the unit allows side by side horizontal and vertical mounting without air gaps even in environments with ambient temperatures up to 60°C. This compact and sturdy design optimizes panel space usage and thermal management.

The converter supports programmable trigger levels ranging from -0.05 to 6.5 V and sensor supply voltages from 5 to 17 V for sensor power, increasing flexibility in control applications. NAMUR sensor error detection is integrated, along with high measurement accuracy of less than 0.06% of the measurement span and a temperature coefficient of 0.006% per °C. The device rapidly responds in less than 30 ms, suitable for real-time control applications.

Measures frequency up to 100 kHz with high accuracy and fast response time. Universal power supply compatible with 21.6 to 253 VAC and 19.2 to 300 VDC. Programmable bipolar active/passive output current ±23 mA and voltage outputs.

Compatible with NAMUR, NPN, PNP, tacho, TTL, and S0 inputs. 3-port galvanic isolation rated 2.3 kV ac for secure signal transfer. Robust terminal protections: over-voltage, polarity, and short-circuit. DIN rail mounting supports dense panel configurations without air gaps at 60°C.

Configurable trigger levels and sensor supply voltage enhance adaptability. Includes NAMUR sensor error detection for sensor fault monitoring. Certified CE and UKCA compliant with IP20 protection rating.

This high-performance signal conditioner is ideal for industrial automation, process control, electrical and instrumentation panels, manufacturing systems, and laboratory measurement setups. Its flexibility to handle multiple input types and output signals makes it a valuable component for frequency and current signal conversion and conditioning in complex systems.

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