Isolated Converter – PR Electronics 3105

Features

  • Isolation and conversion of standard DC signals
  • Slimline housing of 6 mm
  • Response time <7 ms
  • Low cost
  • DIP-switch configured
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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.

Specification

ENVIRONMENTAL CONDITIONS
Operating temperature 0°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 0.52 W
Isolation voltage
Isolation voltage, test / working 2.5 kVAC / 300 VAC (reinforced)
Response time
Response time (0…90%, 100…10%) < 7 ms
Programming DIP-switches
Signal / noise ratio > 60 dB
Cut-off frequency (3 dB) > 100 Hz
Signal dynamics, input Analog signal chain
Signal dynamics, output Analog signal chain
Accuracy Better 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 range 0…23 mA
Programmable measurement ranges 0…20 and 4…20 mA
Input voltage drop < 1.5 VDC
Voltage input
Measurement range 0…10.25 V 0…11.5 V / 0…5.75 V
Programmable measurement ranges 0/1…5 and 0/2…10 V
Input resistance ≥ 500 kΩ
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 DIP-switch selected output range
OBSERVED AUTHORITY REQUIREMENTS
EMC 2014/30/EU
LVD 2014/35/EU
RoHS 2011/65/EU
EAC TR-CU 020/2011
APPROVALS
DNV-GL Marine Stand. f. Certific. No. 2.4
UL UL 61010-1

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