4225
 

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
  1. Overview + -

  2. Technical details + -

  3. Accessories + -


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.

Data sheet & Manuals


Data sheet

Manuals

Supplementary documentation


EU Declaration of Conformity

UKCA Declaration of Conformity

Modbus configuration manual

EMC data

Safety note


Safety note

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/ 4501/451x 109 x 23.5 x 116 / 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

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 Pending
 

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