Universal Uni-/Bipolar Signal Transmitter – PR Electronics 4104

Features

  • Measures and outputs uni-/bipolar voltage and current signals
  • Works with both passive and active inputs and outputs
  • Uses the PR 45xx display for programming and process monitoring
  • Fast < 20 ms response time and excellent < 0.05% accuracy
  • Universally powered by 21.6…253 VAC / 19.2…300 VDC
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Application

  • Fast < 20 ms response time for measuring signals produced by torque, position, current & acceleration sensors.
  • User configurable bipolar or unipolar I/O means the 4104 is suitable for nearly any voltage or current conversion.
  • The excitation source enables measurement of two or three wire transmitters.
  • The active or passive I/O makes the 4104 perfect for power matching current loops.
  • Converts narrow bipolar inputs to wide bipolar or unipolar outputs, e.g., ±1 volt input = ±10 volt or 4…20 mA output.
  • Selectable direct or inverse I/O makes the 4104 suitable for proportional control applications.
  • The ”V-curve” function outputs 100% – 0 – 100% when a 0 – 100% input signal is present.

Technical characteristics

  • The latest analog and digital techniques are used to obtain maximum accuracy and immunity to interference.
  • The current output can drive up to 800 Ohms, with an adjustable response time of 0.0…60.0 seconds.
  • Exceptional mA output load stability of < 0.001% of span/100 Ohm.
  • Meets the NAMUR NE21 recommendations, ensuring high accuracy in harsh EMC environments.
  • Meets the NAMUR NE43 recommendations, allowing the control system to easily detect a sensor error.
  • Each unit is tested to a high 2.3 kVAC, 3-port galvanic isolation level.
  • Excellent signal to noise ratio of > 60 dB.

Mounting / installation / programming

  • Very low power consumption means units can be mounted side by side without an air gap – even at 60°C ambient temperature.
  • Approved for marine applications.
  • Configuration, monitoring, 2-point process calibration and more are accomplished using PR’s 45xx detachable displays.
  • All programming can be password protected.

Specification

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
Installation in Pollution degree 2 & meas. / overvoltage cat. II
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. 155 g
Weight incl. 4501 / 451x (approx.) 170 g / 185 g
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
Max. required power ≤ 2.5 W
Max. power dissipation ≤ 2.5 W
Isolation voltage  
Isolation voltage, test / working 2.3 kVAC / 250 VAC
Response time  
Response time (0…90%, 100…10%) < 20 ms
Auxiliary supplies  
2-wire loop supply > 16 V / 20 mA
3-wire loop supply > 18 V / 20 mA
Loop supply limitation 30 mA
Programming PR 45xx
Signal / noise ratio > 60 dB
Cut-off frequency (3 dB) > 40 Hz
Accuracy Better than 0.05% of selected range
EMC immunity influence < ±0.5% of span
Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1% of span
INPUT SPECIFICATIONS
Current input  
Signal range ±23 mA
Programmable measurement ranges 0…20 and 4…20 mA ± 10 and ± 20 mA
Input voltage drop 1.4 V @ 20 mA
Loop error detection, 4…20 mA: Low < 3.6 mA
Loop error detection, 4…20 mA: High > 21 mA
Voltage input  
Signal range ±12 V
Programmable measurement ranges 0/0.2…1, 0/1…5, 0/2…10 VDC ±1, ±5 and ±10 V
Input resistance > 2 MΩ
OUTPUT SPECIFICATIONS
Current output  
Signal range 0…23 mA (unipolar) -23…+23 mA (bipolar)
Current limit ≤ 28 mA (unipolar) ± 28 mA (bipolar)
Load stability ≤ 0.001% of span / 100 Ω
Response time, programmable 0.0…60.0 s
Output limitation, on 4…20 and 20…4 mA signals 3.8…20.5 mA
Output limitation, on other unipolar mA signals 0 and 115% of max. value
Output limitation, on bipolar mA signals ±115% of min. & max. values
Sensor error indication, at 4…20 mA input: selectable Low, High, Zero, None
Active unipolar and bipolar mA output  
Programmable ranges 0…20 and 4…20 mA ±10 and ±20 mA
  Direct or Inverted Action
V-curve function, active signals, 100-0-100% 20-0-20 mA
Load (@ current output) ≤ 800 Ω
Passive 2-wire mA output  
Programmable ranges 0…20 and 4…20 mA Direct or Inverted action
V-curve function, 100-0-100% 20-0-20 mA
External loop supply 3.5 – 26 V
Voltage output  
Programmable signal ranges 0/0.2…1; 0/1…5 ; 0/2…10 V ±1, ±5 and ±10 V
  Direct or Inverted action
V-curve function, 100-0-100% 1-0-1, 5-0-5 and 10-0-10 V
Load (@ voltage output) ≥ 500 kΩ
Response time, programmable 0.0…60.0 s
Output limitation – outside range: on unipolar V signals starting from 0 0 and 115% of max. value
Output limitation – outside range: on unipolar V signals with offset -5% of min. value and 115% of max. value
Output limitation – outside range: on bipolar V signals ±115% of min. & max. values
Sensor error indication, at 4…20 mA input: selectable Low, High, Zero, None
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
RoHS 2011/65/EU
EAC TR-CU 020/2011
APPROVALS
c UL us, UL 508 / C22.2 No. 14 E248256
FM 3025177
DNV-GL Marine TAA0000101

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