Description

3105 Isolated converter

Application

  • Isolation and conversion of standard DC signals.
  • Galvanic separation of analog current and voltage signals.
  • Elimination of ground loops and measurement of floating signals.
  • A competitive choice in terms of both price and technology for galvanic isolation of current and voltage signals to SCADA systems or PLC equipment.
  • Suitable for environments with high vibration stress, e.g. ships.

Technical characteristics

  • Easy configuration via DIP-switches.
  • The input is protected against overvoltage and polarity error.
  • Factory-calibrated measurement ranges.
  • Inputs and outputs are floating and galvanically separated.

Data sheet & Manuals


Data sheet

Manuals

Environmental Conditions

Operating temperature0°C to +70°C
Storage temperature-40°C to +85°C
Calibration temperature20…28°C
Relative humidity< 95% RH (non-cond.)
Protection degreeIP20
Installation inPollution degree 2 & meas. / overvoltage cat. II

Mechanical specifications

Dimensions (HxWxD)113 x 6.1 x 115 mm
Weight approx.70 g
DIN rail typeDIN EN 60715/35 mm
Wire size0.13…2.5 mm2 / AWG 26…12 stranded wire
Screw terminal torque0.5 Nm
VibrationIEC 60068-2-6
2…25 Hz±1.6 mm
25…100 Hz±4 g

Common specifications

Supply

Supply voltage16.8…31.2 VDC
Max. required power0.80 W
Max. power dissipation0.52 W

Isolation voltage

Isolation voltage, test / working2.5 kVAC / 300 VAC (reinforced)

Response time

Response time (0…90%, 100…10%)< 7 ms
ProgrammingDIP-switches
Signal / noise ratio> 60 dB
Cut-off frequency (3 dB)> 100 Hz
Signal dynamics, inputAnalog signal chain
Signal dynamics, outputAnalog signal chain
AccuracyBetter than 0.2% of selected range
Temperature coefficient< ±0.015% 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 range0…23 mA
Programmable measurement ranges0…20 and 4…20 mA
Input voltage drop< 1.5 VDC
Input resistanceNom. 20 Ω + PTC 50 Ω

Voltage input

Measurement range0…10.25 V 0…11.5 V / 0…5.75 V
Programmable measurement ranges0/1…5 and 0/2…10 V
Input resistance≥ 500 kΩ

Output specifications

Current output

Signal range0…23 mA
Programmable signal ranges0 / 4…20 mA
Load (@ current output)≤ 600 Ω
Load stability≤ 0.002% of span / 100 Ω
Current limit≤ 28 mA

Voltage output

Signal range0…10 VDC
Programmable signal ranges0/1…5 and 0/2…10 V
Load (@ voltage output)≥ 10 kΩ
of span= of the DIP switch selected output range

Observed authority requirements

EMC2014/30/EU & UK SI 2016/1091
LVD2014/35/EU & UK SI 2016/1101
RoHS2011/65/EU & UK SI 2012/3032
EACTR-CU 020/2011

Approvals

c UL us, UL 61010-1E314307
DNV MarineTAA00001RW

The 3105 Isolated Converter by PR Electronics is a high-performance solution designed to ensure accurate and reliable signal conversion in industrial applications. With superior electrical isolation, this converter enhances signal integrity and protects your control systems from interference and ground loops.

Key Features and Benefits

  • High-Performance Isolation – Provides galvanic isolation between input, output, and power supply.
  • Universal Signal Conversion – Supports a wide range of analog signal types, including current and voltage.
  • Compact and Robust Design – Ideal for space-limited installations in harsh industrial environments.
  • Low Power Consumption – Enhances energy efficiency while maintaining high performance.
  • Easy Configuration – Simple setup with user-friendly calibration options.

Why Choose PR Electronics?

PR Electronics is a global leader in industrial signal conditioning, offering innovative and reliable solutions for process automation. The 3105 Isolated Converter is engineered to improve signal quality, reduce noise, and ensure seamless integration into industrial control systems.

Applications

  • Process Automation
  • Industrial Control Systems
  • Power Generation
  • Chemical & Pharmaceutical Industries
  • Factory Automation

Get Started Today

Enhance your signal conversion with the PR Electronics 3105 Isolated Converter. Contact us today for more information or to discuss a customized solution tailored to your industry needs.

Additional information

Color

Black, Blue, Brown