Universal f/I-f/f converter
4225
- Front programmable
- Input: NAMUR, NPN, PNP, Tacho, TTL , S0 & switches
- 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.
- 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
Data sheet
- 4225.pdf
- Latest version
Manuals
- 4225V102_UK.pdf
- 4225V101_UK.pdf
- 4225V100_UK.pdf
- Previous versions
- Latest version
Manuals in Russian
- 4225V102_RU.pdf
- 4225V101_RU.pdf
- 4225V100_RU.pdf
- Previous versions
- Latest version
Supplementary documentation
EU Declaration of Conformity
- 4225DoC_EU_100_UK.pdf
- Latest version
UKCA Declaration of Conformity
- 4225DoC_UKCA_100_UK.pdf
- Latest version
Modbus configuration manual
- 4225_MCM_100.pdf
- Latest version
FMEDA report
- PR_4225_V1R0.pdf
- Latest version
EMC data
- 4225_EMC_data.pdf
- Latest version
ISO 13849 declaration
- 4225_ISO_13849_declaration.pdf
- Latest version
PR default configurations
- PR_default_configurations.pdf
- Latest version
Safety note
Approvals & Certificates
Order form
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) |
| 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) | 20 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 |
Need support to select the right product for your application?
Our sales engineers are ready to help specify the right device to meet your needs.
Reach out by phone to get in touch with us straight away – or use the contact form or quick quote function to send your RFQ directly from the website. You’ll get a response within 24 hours on normal business days.
You can expect to get a confirmed delivery date via email within 2 days after we have received your order.
As soon as your package leaves our warehouse, you’ll receive tracking details via email. And if you have any questions along the way we’re just a phone call or email away.
 |
State-of-the-art manufacturing Our 8,500 sqm integrated and automated manufacturing campus in Denmark covers the entire value-chain from design and development to manufacturing. It allows us to design and optimize for testing and manufacturing thereby constantly driving quality up and costs down. |
 |
Dedicated Presale / Aftersales
|
 |
Product reliability |
 |
Product deployment
|
 |
Smart products
Check out our range of communication interfaces
|
