LWT-TSC Temperature Signal Conditioner
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LWT-TSC
Universal Programmable Temperature Signal Conditioner
DIN-Rail Mounted Temperature & Process Signal Conditioner
The LWT-TSC is a compact DIN-rail mounted industrial module designed for accurate temperature and process signal measurement, isolation, linearization, and retransmission. It supports one universal input at a time, including thermocouples, RTDs, resistance, 0–10 V, 0–20 mA, and 4–20 mA signals.
Key Features
- Universal programmable input: Supports thermocouples, RTDs, resistance, voltage, and current
- Multiple thermocouple types: K, J, T, E, N, S, R, B, C, D
- Multiple RTD types: Pt100, Pt200, Pt500, Pt1000, Ni100, Ni200, Ni500, Ni1000, Cu10
- Analog outputs: 0–5 V, 1–5 V, 0–10 V, and 4–20 mA
- Built-in CJC & sensor linearization for accurate temperature measurement
- Sensor break/short detection with configurable fault response
- Three-port galvanic isolation with 1.6 kV DC
- 0.9-inch OLED display for temperature value and fault status
- RS-485 Modbus RTU configuration interface
- Wide operating range: -40°C to +85°C
Product Identification
Model / Part Number
LWT-TSC
Product Type
Universal Programmable Isolated Temperature / Process Signal Conditioner
Mounting
35 mm DIN rail
Enclosure Material
UL94-V0 graded industrial enclosure
Protection Rating
IP20
Electrical & Performance Specification
Supply voltage
12–36 VDC, 24 VDC nominal
Isolation voltage
1.6 kV DC, 1 min
Input type
Universal programmable input
Thermocouple types
K, J, T, E, N, S, R, B, C, D
RTD types
Pt100, Pt200, Pt500, Pt1000, Ni100, Ni200, Ni500, Ni1000, Cu10
RTD wiring
2-wire, 3-wire, 4-wire, with lead compensation
RTD excitation current
< 1 mA
Resistance input range
0 Ω to 4500 Ω
Voltage input range
0–10 VDC
Current input range
0–20 mA / 4–20 mA
Temperature accuracy
≤ ±0.5 °C, sensor and range dependent
Output accuracy
< ±0.05% F.S.
Zero stability
< ±0.02% F.S.
Update rate
> 100 updates per second
Response time
≤ 20 ms in fast mode / filter disabled
Analog outputs
0–5 V, 1–5 V, 0–10 V, 4–20 mA
Display
0.9-inch OLED; temperature value and fault status, °C
Configuration interface
RS-485 Modbus RTU
Operating temperature
-40 °C to +85 °C
Cold junction compensation
Integrated CJC
Standards
IEC, NIST, or equivalent
Mechanical Dimensions
Width
22.6 mm (approx. 22.5 mm)
Body height
105 mm
Height with 35 mm DIN rail
Approx. 112.5 mm
Mounting
35 mm DIN rail
IP rating
IP20
Enclosure
UL94-V0 graded industrial enclosure