Product Details
Product Description
The Allen Bradley Flex I/O 1794 Series 1794-IE8H is an 8-point analog input module designed for HART-enabled applications. It delivers high-resolution signal conversion, configurable data formats, and robust diagnostic indicators. With DIN rail mounting and compatibility with Flex I/O terminal bases, this module provides reliable integration into distributed control systems.
Technical Specifications
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Manufacturer: Allen Bradley
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Product Line: Flex I/O 1794
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Catalog Number / Model: 1794-IE8H
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UPC: 612598323883
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Product Type: Flex I/O HART Analog Module
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Weight: 0.31 lbs (0.14 kg)
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Resolution: 16-bit
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Conversion Method: Successive approximation
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Inputs: 8 single-ended, non-isolated channels
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Absolute Accuracy: ±0.1% full scale at 20 °C (68 °F)
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Temperature Drift: ±0.05% full scale from 0–55 °C (32–131 °F)
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Step Response (to 99%): 80 ms
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Terminal Base Compatibility: 1794-TB3G, 1794-TB3GS
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Indicators:
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8 red fault LEDs
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8 yellow channel LEDs
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1 green power LED
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External DC Supply: Nominal 24 VDC
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Supply Range: 19.0–31.2 VDC (with 5% AC ripple)
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FlexBus Current Draw: 80 mA @ 5 VDC
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Functional Data Range: >17 V @ 22 mA
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Isolation Voltage: 50 V continuous
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Power Dissipation: 3.9 W max @ 31.2 VDC
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Thermal Dissipation: 13.5 BTU/hr max @ 31.2 VDC
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Mounting: DIN rail
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Enclosure Type: Open-style
Application Scenarios
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Distributed control systems requiring HART-enabled analog input
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Process industries with multiple sensor integration
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Environments needing diagnostic indicators for fault detection
FAQ
Q: How many analog inputs does the 1794-IE8H support? A: Eight single-ended, non-isolated inputs.
Q: What terminal bases are compatible with this module? A: 1794-TB3G and 1794-TB3GS.
Q: Does the module provide diagnostic indicators? A: Yes, it includes fault, channel, and power LEDs.
Comparison with Similar Models
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1794-IE8H: 8-channel HART analog input, 16-bit resolution.
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1794-IE4XOE2: Combination analog input/output module.
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1794-IF8: 8-channel analog input without HART functionality.
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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