PR Electronics 3117 Bipolar Isolated Converter

Features

  • Conversion of voltage and current bipolar process signals to unipolar signals
  • Multiple signal ranges are selectable via DIP-switches
  • Fast response time < 7 ms and high output load stability
  • Excellent accuracy, better than 0.05 % of span
  • Slimline 6 mm housing
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PR Electronics 3117 Bipolar Isolated Converter is designed for the precise conversion of standard bipolar analog process signals into unipolar analog signals. With robust 3-port isolation, surge suppression, and excellent protection against transients and noise, this converter ensures reliable performance in various industrial environments.

Applications

  • Signal Conversion: Converts standard bipolar analog process signals into unipolar analog signals with high accuracy.
  • Isolation and Noise Suppression: Offers 3-port isolation, eliminating ground loops and providing surge suppression to protect control systems from transients and noise.
  • Floating Signal Measurement: Suitable for measuring floating signals, enhancing system reliability.
  • Versatile Mounting: Approved for use in Safe areas, Zone 2, Cl. 1 Div 2 areas, and marine applications, ensuring broad compatibility.

Technical Characteristics

  • Power Supply Flexibility: Operates with a 24 VDC (±30%) supply via power rail or connectors.
  • High Conversion Accuracy: Provides excellent conversion accuracy, better than 0.05% of the selected range.
  • Galvanic Isolation: Features high galvanic isolation of 2.5 kVAC with floating inputs and outputs.
  • LED Operation Indicator: A green front LED indicates the operational status of the device.
  • Overvoltage Protection: All terminals are protected against overvoltage and polarity errors.
  • EMC Performance: Meets NAMUR NE21 recommendations, ensuring top measurement performance in harsh EMC environments.
  • Fast Response Time: Offers a fast input-to-output response time of less than 7 ms, with bandwidth damping (10 Hz) possible via DIP-switch.
  • Signal/Noise Ratio: Ensures an excellent signal-to-noise ratio greater than 60 dB.
  • Low Power Consumption: Allows DIN rail mounting without the need for an air gap, thanks to very low power consumption.
  • Wide Temperature Range: Operates in a wide temperature range of -25 to +70°C, making it suitable for various environments.

Mounting / Installation / Programming

  • Easy Configuration: Fast and easy configuration of factory-calibrated measurement ranges via DIP-switches.
  • DIN Rail Mounting: Low power consumption facilitates compact DIN rail mounting without air gaps.

PR Electronics 3117 Bipolar Isolated Converter is an ideal choice for industries requiring reliable and accurate signal conversion, noise suppression, and robust isolation in a wide range of applications and environments.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature -25°C to +70°C
Storage temperature -40°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) 113 x 6.1 x 115 mm
Weight approx. 70 g
DIN rail type DIN EN 60715/35 mm
Wire size 0.13…2.5 mm2 / AWG 26…12 stranded wire
Screw terminal torque 0.5 Nm
Vibration IEC 60068-2-6
2…25 Hz ±1.6 mm
25…100 Hz ±4 g
COMMON SPECIFICATIONS
Supply
Supply voltage 16.8…31.2 VDC
Max. required power 0.80 W
Max. power dissipation 0.43 W
Isolation voltage
Isolation voltage, test / working 2.5 kVAC / 300 VAC (reinforced)
Zone 2 / Div. 2 250 VAC
Response time
Response time (0…90%, 100…10%) < 7 ms or < 44 ms
MTBF, acc. to IEC 61709 (SN29500) > 241 years
Signal / noise ratio Min. 60 dB (0…100 kHz)
Signal dynamics, input Analog signal chain
Signal dynamics, output Analog signal chain
Programming DIP-switches
Cut-off frequency (3 dB) > 100 Hz or 10 Hz (selectable via DIP-switch)
Accuracy < ±0.05% of span
Temperature coefficient < ±0.01% of span / °C
EMC immunity influence < ±0.5% of span
Extended EMC immunity: NAMUR NE21, A criterion, burst < ±1% of span
INPUT SPECIFICATIONS
Current input
Measurement range -23…+23 mA
Programmable measurement ranges ± 10 and ± 20 mA
Input voltage drop < 1 VDC @ 23 mA
Voltage input
Measurement range -11.5…+11.5 V
Programmable ranges ±5 and ±10 V
Input resistance ≥ 1 MΩ
OUTPUT SPECIFICATIONS
Current output
Signal range 0…23 mA
Programmable signal ranges 0 / 4…20 mA
Load (@ current output) ≤ 600 Ω
Load stability ≤ 0.002% of span / 100 Ω
Current limit ≤ 28 mA
Voltage output
Signal range 0…10 VDC
Programmable signal ranges 0/1…5 and 0/2…10 V
Load (@ voltage output) ≥ 10 kΩ
of span = of the presently selected range
I.S. / EX MARKING
ATEX II 3 G Ex nA IIC T4 Gc
IECEx Ex nA IIC T4 Gc
FM, US Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, AEx nA IIC T4
FM, CA Cl. I, Div. 2, Gp. A, B, C, D T4 or Cl. I, Zone 2, Ex nA IIC T4
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
RoHS 2011/65/EU
EAC TR-CU 020/2011
EAC Ex TR-CU 012/2011
APPROVALS
ATEX KEMA 10ATEX0147 X
IECEx KEM 10.0068X
c FM us FM17US0004X / FM17CA0003X
c UL us, UL 61010-1 E314307
EAC Ex RU C-DK.HA65.B.00355/19
DNV-GL Marine TAA00001RW

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