Product Details
Product Description
The 1794-IT8 is a high-precision thermocouple input module from Allen-Bradley’s FLEX I/O series, offering reliable temperature measurement for industrial control systems. It supports up to 8 thermocouple channels and is designed for integration with 1794-TB2, -TB3, and -TB3T terminal bases. The module provides robust protection, accurate signal conversion, and industrial-grade durability for demanding environments.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model Number: 1794-IT8
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Product Type: Thermocouple Input Module
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Number of Inputs: 8 channels
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Compatible Terminal Bases: 1794-TB2, -TB3, -TB3T
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Nominal Input Voltage Range: -76.5 to +76.5 mV
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Resolution: 16 bits (2.384 µV typical)
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Indicators: 1 red/green power status LED
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Flexbus Current: 20 mA
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Power Dissipation: 3 W maximum @ 31.2 VDC
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Thermal Dissipation: 10.2 BTU/hour maximum @ 31.2 VDC
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Keyswitch Position: 3
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Isolation Voltage: Tested 850 VDC for 1 s (inputs and user power to logic)
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Data Format: 16-bit 2’s complement or offset binary (unipolar)
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Channel Bandwidth: 0–2.62 Hz (-3 dB)
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Operating Humidity: 5–95% non-condensing, IEC 60068-2-30
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Vibration Resistance: 5 g @ 10–500 Hz, IEC 60068-2-6
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Dimensions (L×W×H): 5.33 × 9.4 × 4.57 cm
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Weight: 2 kg
Key Features
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High Accuracy: 16-bit resolution ensures precise thermocouple readings.
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Compact Form Factor: Small footprint for easy integration into FLEX I/O systems.
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Visual Status: Red/green LED for power and module activity monitoring.
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Industrial Durability: Tested for vibration, temperature, and isolation withstand.
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Flexible Data Output: Supports 2’s complement and offset binary formats.
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Easy Installation: Mounts on standard FLEX I/O terminal bases.
Applications
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Process temperature monitoring in manufacturing and chemical plants
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Integration in distributed FLEX I/O control systems
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HVAC and environmental control requiring precise temperature input
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Industrial automation requiring multiple thermocouple channels
FAQ
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Q: How many thermocouple inputs does 1794-IT8 support?
A: The module provides 8 independent channels for temperature measurement. -
Q: What is the isolation capability?
A: Inputs and user power are tested to withstand 850 VDC for 1 second.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.