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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