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UIS-08TC Unistream Input/Output Expansion Module with 8 Temperature Inputs
MPN: UIS-08TC
Alt. SKU: UIS08TC

Why Choose the UIS-08TC Unitronics UniStream™ 8-Channel Thermocouple Input Module?
The UIS-08TC is a high-precision analog input module designed for seamless integration with Unitronics' UniStream™ PLCs. It offers 8 thermocouple inputs, making it ideal for applications requiring accurate temperature measurements across multiple points.
Technical Specifications
- Number of Inputs: 8 thermocouple inputs
- Supported Thermocouple Types: B, C, E, J, K, N, R, S, T
- Input Range: Varies by thermocouple type (e.g., Type J: -200°C to 1,200°C)
- Input Resolution: 0.1°C
- Input Impedance: >100 MΩ
- Input Isolation: None (inputs are not isolated)
- Cold Junction Compensation: Internal, accuracy ±1°C
- Fault Detection:
- Overflow: Input value exceeds maximum range
- Underflow: Input value below minimum range
- Connection Fault: Disconnected or faulty sensor
- Fault Indication: Input LEDs turn red; corresponding I/O Status tag updated
- Power Supply: 24 VDC nominal (20.4–28.8 VDC)
- Bus Current Consumption: 90 mA max
- LED Indicators:
- Input LEDs: Indicate the status of each input (red for fault conditions)
- Status LED: Multi-color indicating operational status
- Environmental Ratings:
- Protection: IP20, NEMA1
- Operating Temperature: -20°C to 55°C (-4°F to 131°F)
- Storage Temperature: -30°C to 70°C (-22°F to 158°F)
- Relative Humidity: 5% to 95% (non-condensing)
- Operating Altitude: Up to 2,000 m (6,562 ft)
- Shock: IEC 60068-2-27, 15G, 11ms duration
- Vibration: IEC 60068-2-6, 5Hz to 8.4Hz, 3.5mm constant amplitude; 8.4Hz to 150Hz, 1G acceleration
- Dimensions: 135mm (W) x 65mm (H) x 44.2mm (D)
- Weight: 0.1 kg (0.220 lb)
UniStream™ Integration
The UIS-08TC seamlessly integrates with UniStream™ PLCs, either by snapping onto the back of a UniStream™ HMI Panel next to a CPU-for-Panel or by installing on a standard DIN Rail using a Local Expansion Adapter. This flexibility allows for efficient system expansion and customization.
Frequently Asked Questions
- What thermocouple types are supported?
- Is the module isolated?
- How is the module installed?
- What are the environmental ratings?
- How does the module indicate faults?
What Customers Say
"The UIS-08TC provides precise temperature readings and integrates effortlessly with our UniStream™ PLCs. It's a reliable choice for our industrial applications." – Process Engineer
Key Features of the UIS-08TC
- 8 thermocouple inputs for accurate temperature measurements
- Supports multiple thermocouple types: B, C, E, J, K, N, R, S, T
- Internal cold junction compensation with ±1°C accuracy
- Comprehensive fault detection and indication
- Compact and robust design suitable for industrial environments
Comparison with Other Modules
Compared to modules with fewer or different types of inputs, the UIS-08TC offers specialized support for thermocouple sensors, ensuring high-precision temperature monitoring. Its compatibility with various thermocouple types makes it a versatile choice for temperature-sensitive applications.