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Thermocouple Input DIN Rail Signal Conditioners
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
  • DRSL-TC Non-Isolated and DRSL-TC-ISO Isolated Models
  • Accepts Type J and Type K Thermocouples
  • 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
 Manuals (contact with email : [email protected])


The DRSL-TC Series thermocoupleinput DIN rail signal conditionersprovide a competitive choice in termsof both price and technology forinterfacing thermocouple inputs toSCADA systems or PLC equipment.

The DRSL-TC and DRSL-TC-ISOcan be used for signal conversion ofstandard Type J or K thermocoupleinputs into unipolar analog signals.

The DRSL-TC-ISO isolated modeloffers 3-way isolation between input,output and supply and provides surgesuppression and protects controlsystems from transients and noise.Low power consumption facilitatesDIN rail mounting without the needfor any air gap. Easy configurationof more than 1000 factory calibratedmeasurement ranges is done viaDIP-switches. The unit operates overa wide temperature range from-25 to 70°C (-13 to 158°F).

Type: J or K thermocouple
Temperature Range
    Type J: -100 to 1200°C (-148 to 2192°F)
    Type K: -180 to 1372°C (-292 to 2501°F)
Sensor and Cable Specifications: 5 kΩ per wire
Cold Junction Compensation (CJC): Internal or external (selectable)
CJC Accuracy via External CJC (Pt100 RTD Sensor): Better than ±0.15°C (DRSL-TC-ISO only)
CJC via Internally Mounted Sensor: Better than ±2.5°C
Open Thermocouple Detection: Yes (DIP switch selectable upscale or downscale)

Current Output
Programmable Signal Ranges: 0 to 20 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: 0 mA
Output Error Level: DIP switch selectable for upscale or downscale
Load: 21 mA/600 Ω /12.6V max
Load Stability: ≤0.01% of span/100 Ω
Voltage Output
Programmable Signal Ranges: 0 to 10V, 2 to 10V, 0 to 5V and 1 to 5V
Range Limits (Out of Range): Range ±2.5%
Incorrect DIP Switch Setting Identification: 0V
Load: >10 kΩ min

Supply Voltage:
DRSL-TC: 16.8 to 31.2 Vdc via connectors
DRSL-TC-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-TC-ISO Only): Input/output/supply
Isolation Voltage, Test (DRSL-TC-ISO Only): 2.5 kVac (reinforced)
Isolation Voltage, Working (DRSL-TC-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)
    DRSL-TC: Better than 1.0°C or ±0.1% of selected input range
    DRSL-TC-ISO: Better than 0.5°C or ±0.05% of selected input range
Temperature Coefficient: ≤±0.1°C/°C or ≤±0.01%/°C
EMC Immunity Influence: <±0.5% of span
Extended EMC Immunity NAMUR NE 21, A Criterion, Burst: <±1% of span (span = selected input range)

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

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
Screw Terminal Torque: 0.5 Nm
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