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DIN Rail Input Loop-Powered Isolators
DRSL-LPI_Series
PLACE ORDER - 1 Channel (DRSL-LPI-1) or 2 Channel (DRSL-LPI-2) Input Loop Powered Isolators
- Powered by the Analog Input Current Signal Loop
- 1:1 Signal Ratio
- Low Input Voltage Drop
- Fast Response Time <5 ms
- High Conversion Accuracy, <0.1% of Span (0 to 20.5 mA)
- Slimline 6 mm (0.24") Housing
Description
Description
The DRSL-LPI Series DIN rail inputloop powered isolators provide acompetitive choice in terms of bothprice and technology for galvanicisolation of current signals toSCADA systems or PLC equipment.These units provide isolation and1:1 conversion of standard currentsignals and are powered by theanalog input current signal loop.
The DRSL-LPI series offers isolationbetween input and output, providessurge suppression and protectscontrol systems from transients andnoise. These units also eliminateground loops and can be used formeasuring floating signals. Lowpower consumption facilitates DINrail mounting without the need forany air gap. Measurement rangesare factory calibrated. These isolatorsoperates over a wide temperaturerange from -25 to 70°C (-13 to 158°F).
SPECIFICATIONS
NUMBER OF CHANNELS
DRSL-LPI-1: 1
DRSL-LPI-2: 2
CURRENT INPUT
Signal Range (Input to Output): 0 to 20.5 mA
Signal Conversion: 1 to 1
Functional Range: 0 to 23 mA (NAMUR NE43 compliant)
Start up Current: 10 µA typical
Input Overload: 50 mA max
Input to Output Voltage Drop: 1.25V + (0.015 x Vout) where Vout = Iout x Routput, typical
Input Voltage Drop: (Unit voltage drop) + Vout
CURRENT OUTPUT
Output Load: 600Ω max
Output Load Stability: <0.01% of span/100 Ω (span = 0 to 20 mA)
Voltage Limit: 17.5V
GENERAL
Internal Consumption: 30 mW per channel
Isolation Voltage (Test): 2.5 kVac
Isolation Voltage (Working): 300 Vac
Signal/Noise Ratio: >60 dB
Cut-Off Frequency (3 dB): 100 Hz
Response Time (0 to 90%, 100 to 10%): <5 ms
Absolute Accuracy (at 25°C): ≤±10 µA + 0.05% of max value of selected span
Temperature Coefficient: ≤±2 µA/°C
EMC Immunity Influence: <±0.5% of span
Extended EMC Immunity NAMUR NE 21, A Criterion, Burst: <±1% of span
ENVIRONMENTAL
Operating Temperature: -25 to 70°C (-13 to 158°F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Calibration Temperature: 20 to 28°C (68 to 82°F)
Relative Humidity: 0 to 95% RH non-condensing
Protection Degree: IP20
Installation Area: Pollution degree 2 and measurement/overvoltage category II
MECHANICAL
Dimensions: 113 H x 6.1 W x 115 mm D (4.4 x 0.24 x 4.5")
Weight: 70 g (0.15 lb) approx
DIN Rail Type: DIN EN 60715 - 35 mm
Wire Size: 0.13 x 2.5 mm²/AWG 26 to 12 stranded wire
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