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RTD Input DIN Rail Signal Conditioners
DRSL-RTD_Series
PLACE ORDER - DRSL-RTD Non-Isolated and DRSL-RTD-ISO Isolated Models
- 2, 3 or 4-Wire Pt100 RTD Input
- Pre-Calibrated Temperature Ranges Selectable via Dip-Switches
- Slimline Housing—Only 6 mm (0.24") Wide
- High Accuracy
- Fast Response Time <30 ms/300 ms (Selectable)
- Excellent EMC Performance and 50/60 Hz Noise Suppression
Description
Description
The DRSL-RTD Series RTD inputDIN rail signal conditioners providea competitive choice in terms of bothprice and technology for interfacingRTD inputs to SCADA systems orPLC equipment. The DRSL-RTDand DRSL-RTD-ISO can be used forsignal conversion of 2, 3 or 4-wirePt100 RTD inputs into unipolaranalog signals. The DRSL-RTD-ISOisolated model offers 3-way isolationbetween input, output and supplyand provides surge suppressionand protects control systems fromtransients and noise. Low powerconsumption facilitates DIN railmounting without the need for any airgap. Easy configuration of more than1000 factory calibrated measurementranges is done via DIP-switches.The unit operates over a widetemperature range from -25 to 70°C(-13 to 158°F).
SPECIFICATIONS
INPUT
Input Type: 2, 3, or 4-wire Pt100 RTD
Temperature Range: -200 to 850°C (-328 to 1562°F)
Sensor Current, RTD: <150 µA
Sensor Cable Specifications: 50 Ω per wire or 50 nF
Effect of Sensor Cable Resistance (3 or 4-wire RTD): <0.002 Ω/Ω
Broken Sensor Detection: >800 Ω
Shorted Sensor Detection: <18 Ω
OUTPUT
Current Output
Programmable Signal Ranges: 0 to 20 mA and 4 to 20 mA
Range Limits (NAMUR NE43 Out of Range): Below 3.8 mA or above 20.5 mA for 4 to 20 mA output; 0 mA or above 20.5 mA for 0 to 20 mA output
Sensor Error Detection (Dip Switch Selectable for Enable or None): Below 3.5 mA or above 23 mA for 4 to 20 mA output; 0 mA or above 23 mA for 0 to 20 mA output
Incorrect DIP-Switch Setting Identification: Below 3.5 mA or above 23 mA for 4 to 20 mA output; 0 mA or above 23 mA for 0 to 20 mA output
Output Error Level: DIP switch selectable for upscale or downscale
Load: 21 mA/600Ω /12.6V max
Load Stability: ≤0.01% of span/100Ω
Voltage Output
Programmable Signal Ranges: 0 to 10 V, 2 to 10 V, 0 to 5 V and 1 to 5 V
Range Limits (Out of Range): Range ±2.5%
Sensor Error Detection (Dip Switch Selectable for Enable or None): 0V or selected range + 10%
Incorrect DIP-Switch Setting Identification: 0V
Output Error Level: DIP switch selectable for upscale or downscale
Load: >10 kΩ min
GENERAL
Supply Voltage
DRSL-RTD: 16.8 to 31.2 Vdc via connectors
DRSL-RTD-ISO: 16.8 to 31.2 Vdc via power rail or connectors
Power Consumption: 0.7 W max
Internal Consumption: 0.65 W max
Isolation (DRSL-RTD-ISO Only): Input/output/supply
Isolation Voltage, Test (DRSL-RTD-ISO Only): 2.5 kVac (reinforced)
Isolation Voltage, Working (DRSL-RTD-ISO Only): 300 Vac
Status LED: Green LED indicates operational status of the unit and input sensor
Normal Operation: Flashes for 15 ms at 13 Hz rate
Sensor Error: Flashes for 15 ms at 1 Hz rate
Incorrect DIP Switch Setting: flashes for 500 ms at 1 Hz rate
Hardware Failure: LED off
Signal/Noise Ratio: >60 dB
Response Time (0 to 90%, 100 to 10%): <30 ms/300 ms (selectable, provides either fast response or signal dampening as needed)
Accuracy
DRSL-RTD: Better than 0.2°C or ±0.1% of selected input range
DRSL-RTD-ISO: Better than 0.1°C or ±0.05% of selected input range
Temperature Coefficient: ≤±0.02°C/°C
EMC Immunity Influence: <±0.5% of span
Extended EMC Immunity NAMUR NE 21, A Criterion, Burst: <±1% of span (span = selected input range)
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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