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Thermocouple Input DIN Rail Signal Conditioners
The DRSL-TC Series thermocouple input DIN rail signal conditioners provide a competitive choice in terms of both price and technology for interfacing thermocouple inputs to SCADA systems or PLC equipment.
Input | |
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 | (DIP switch selectable upscale or downscale) |
Output | |
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 Indentification | 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 |
General | |
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) |
Accuracy | |
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, Burtst | <±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 |
Screw Terminal Torque | 0.5 Nm |
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