Description
Functional highlights 4225 Universal fI ff Converter
- 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.
- Suitable for application in SIL 2 installations and for use in systems up to Performance Level “d” according to ISO-13849.
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.
Data sheet
Manuals
Environmental Conditions
| Operating temperature | -20°C to +60°C |
| Storage temperature | -20°C to +85°C |
| Calibration temperature | 20…28°C |
| Relative humidity | < 95% RH (non-cond.) |
| Protection degree | IP20 |
Mechanical specifications
| Dimensions (HxWxD) | 109 x 23.5 x 104 mm |
| Dimensions (HxWxD) w/ PR 4500 | 109 x 23.5 x 131 mm |
| Weight approx. | 160 / 165 / 150 g (A / B / C) |
| DIN rail type | DIN EN 60715/35 mm |
| Wire size | 0.13…2.08 mm2 AWG 26…14 stranded wire |
| Screw terminal torque | 0.5 Nm |
| Vibration | IEC 60068-2-6 |
| 2…13.2 Hz | ±1 mm |
| 13.2…100 Hz | ±0.7 g |
Common specifications
Supply | |
| Supply voltage, universal | 21.6…253 VAC, 50…60 Hz or 19.2…300 VDC |
| Fuse | 400 mA SB / 250 VAC |
| Max. required power | ≤ 2.5 W |
| Max. power dissipation | ≤ 2.0 W |
Isolation voltage | |
| Test voltage | 2.3 kVAC |
| Input to any (working) | 250 VAC (reinforced) |
| Relay to relay (working) | < 115 VAC (reinforced), > 115 VAC (basic) |
| Relay to analog (working) | > 115 VAC (basic) |
| NPN to analog (working) | Isolated > 50 VDC |
| Push-Pull / PNP to analog (working) | Shared ground with analog output |
Response time | |
| Response time (0…90%, 100…10%) | ≤ 30 ms |
Auxiliary supplies | |
| Sensor supply limitation (terminal 44) | 23 mA, 5…17 V |
| Programming | PR 4500 communication interfaces |
| Signal dynamics, output | 18 bit |
| Signal / noise ratio | > 60 dB |
| Accuracy | See manual for details |
| EMC immunity influence | < ±0.5% of span |
| Extended EMC immunity: NAMUR NE21, A criterion, burst | < ±1% of span |
Input specifications
Frequency input | |
| Frequency range | 0.001 Hz to 100 kHz |
| Time range, time function | 10 μs to 999.9 s |
| Max. frequency / min. pulse width, with input filter ON | 75 Hz / 8 ms |
Sensor specifications | |
| NAMUR, trig-level LOW / HIGH | ≤ 1.2 / ≥ 2.1 mA |
| Tacho, trig-level LOW / HIGH | ≤ -50 mV / ≥ +50 mV |
| NPN / PNP, trig-level LOW / HIGH | ≤ 4.0 V / ≥ 7.0 V |
| TTL, trig-level LOW / HIGH | ≤ 0.8 V / ≥ 2.0 V |
| S0, trig-level LOW / HIGH | ≤ 2.2 mA / ≥ 9.0 mA |
Special voltage / current input | |
| User-programmable trig-levels | -0.05…6.50 V 0.0…10.0 mA |
Output specifications
Current output | |
| Signal range | -23…+23 mA (bipolar) 0…23 mA (unipolar) |
| Programmable standard ranges | 0…20, 4…20, S4-20, ±10 mA, ±20 mA |
| Load (@ current output) | ≤ 600 Ω |
| Load stability | ≤ 0.001% of span / 100 Ω |
| Response time, programmable | 0.0…60.0 s |
| Sensor error indication | 0 / 3.5 / 23 mA / none |
| Current limit | ≤ 28 mA |
Buffered voltage output | |
| Signal range | ± 11.5 V |
| Programmable standard ranges | 0…5, 1…5, 0…10, 2…10, ± 5, ± 10 VDC |
| Load, min. | > 2 kΩ |
| Response time, programmable | 0.0…60.0 s |
Relay output | |
| Relay functions | Setpoint, Window, Sensor error, Latch, Power and Off |
| Hysteresis | 0…100% |
| ON and OFF delay | 0…3600 s |
| Sensor error reaction | Break / Make / Hold |
| Max. voltage | 250 VAC / VDC |
| Max. current | 2 A |
| Max. AC power | 500 VA |
Frequency output | |
| Frequency range | 0.001 Hz…100 kHz |
| Prog. pulse time (f ≤ 500 Hz) | 1…1000 ms |
| Pulse time > 500 Hz | Fixed 50% |
NPN / PNP / Push-Pull output | |
| Isink max. | 130 mA |
| Voltage drop 130 mA | < 1.5 VDC |
| Ext. voltage (terminal 24) max. | 30 VDC |
| *Isource max. | 30 mA |
| Vout | 24 VDC ± 10% |
| Voltage | 5…24 VDC |
Observed authority requirements
| EMC | 2014/30/EU & UK SI 2016/1091 |
| LVD | 2014/35/EU & UK SI 2016/1101 |
| RoHS | 2011/65/EU & UK SI 2012/3032 |
Approvals
| c UL us, UL 508 | E248256 |
| SIL | Hardware assessed for use in SIL applications |
4225 Universal fI ff Converter by PR Electronics: Versatility Redefined
The 4225 Universal fI ff Converter from PR Electronics is a cutting-edge solution designed to meet the most demanding needs for signal conversion in industrial applications. With its universal input capabilities and exceptional performance, this converter is the perfect choice for engineers and technicians looking to enhance process control and data acquisition.
Key Features of the 4225 Universal fI ff Converter:
- Universal Input: Supports a wide range of signal types, including frequency input (fI) and frequency output (ff), ensuring seamless integration across diverse systems.
- Superior Accuracy: Guarantees precise signal conversion, critical for maintaining operational integrity in complex industrial processes.
- Loop-Powered Design: Simplifies installation and reduces power requirements, ideal for modern industrial setups.
- User-Friendly Configuration: Offers easy setup and configuration, saving time and enhancing productivity.
- Robust and Reliable: Designed to perform consistently in harsh environments, ensuring long-term reliability.
Why Choose the 4225 Universal fI ff Converter from PR Electronics?
PR Electronics is a trusted name in process instrumentation, and the 4225 Universal Converter exemplifies their commitment to innovation and quality. Whether you need to convert pulse signals, monitor frequency, or control output signals, this versatile device provides unparalleled adaptability for a variety of industrial applications.
The converter’s universal functionality makes it an excellent choice for industries such as manufacturing, energy, water treatment, and more. By integrating this advanced solution into your system, you can achieve superior process efficiency and reliability.
Enhance Your Processes with the 4225 Universal fI ff Converter
Streamline your signal conversion needs with the 4225 Universal fI ff Converter by PR Electronics. Its universal input capability, accuracy, and reliability make it a must-have for professionals seeking the best in industrial automation. Contact PR Electronics or your local distributor to learn more and explore how this device can transform your operations.
