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Allen Bradley 1794-IE8H Flex I/O HART Analog Input Module

ABB CI920N 3BDS014113 Communication Interface for Industrial Automation

Allen Bradley 1794-IE8H Flex I/O HART Analog Input Module

Name: Allen Bradley 1794-IE8H Flex I/O HART Analog Input Module
Brand: Allen Bradley PLC
SKU: 8447
Availability: InStock
Rating: 5.0 (1 reviews)

Brand:Allen Bradley PLC
Item No.:1794-IE8H
Product Origin: USA
Product Dimensions:94 mm × 94 mm × 69 mm
Product Weight:0.35kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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Product Details
Product Applications
Product Advantages
Technical FAQs
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Introduction

The Allen Bradley 1794-IE8H FLEX I/O HART Analog Input Module is a high-performance analog input solution designed for advanced process automation systems requiring both standard analog measurement and HART digital communication capability. As part of the FLEX I/O distributed platform, it enables precise field data acquisition while supporting intelligent device diagnostics and configuration through HART-enabled instrumentation.

This module is widely used in process industries where deeper visibility into field devices is required, helping engineers improve maintenance efficiency, reduce downtime, and enhance overall system intelligence.

Technical Specifications

Parameter	Specification
Manufacturer	Allen-Bradley (Rockwell Automation)
Model Number	1794-IE8H
Module Type	FLEX I/O HART Analog Input Module
Input Channels	8 Channels
Supported Protocol	HART (Highway Addressable Remote Transducer)
Input Signal Types	4–20 mA with HART digital communication
Resolution	12-bit analog conversion
Communication Rate	HART FSK digital overlay
Input Impedance	Suitable for loop-powered devices
Loop Power Support	Yes (for compatible field instruments)
Backplane Current	~120 mA @ 5V DC
Power Dissipation	~6 W (typical max)
Isolation	Channel-to-backplane isolation
Diagnostics	Device-level HART diagnostics & status data
Communication	Via FLEX I/O adapter (EtherNet/IP, ControlNet, etc.)
Terminal Base	1794-TB3 / 1794-TB3S compatible

Applications

The 1794-IE8H is designed for intelligent process automation environments where both analog measurement and device-level diagnostics are required:

Chemical and petrochemical processing plants
Oil and gas monitoring systems
Water and wastewater treatment facilities
Power generation instrumentation systems
Advanced process control loops
Remote field instrumentation networks

Its HART capability allows operators to access valuable device-level data beyond standard 4–20 mA signals, improving maintenance planning and operational visibility.

Advantages

Integrated HART communication for smart field devices
Enhanced diagnostics for predictive maintenance strategies
Reliable 8-channel analog input configuration
Supports standard 4–20 mA industrial instrumentation
Improves asset visibility and process transparency
Seamless integration with FLEX I/O distributed architecture
Reduces downtime through advanced device monitoring
Strong compatibility with Rockwell automation ecosystems

Technical FAQs

1. What is the main feature of the 1794-IE8H?
It supports HART communication on top of standard 4–20 mA analog input signals.

2. How many channels does it provide?
It offers 8 analog input channels.

3. What type of devices can it connect to?
HART-enabled smart transmitters such as pressure, flow, and temperature instruments.

4. Does it support standard analog signals without HART?
Yes, it can also read standard 4–20 mA signals.

5. What is HART used for in this module?
It enables digital communication with field devices for diagnostics and configuration.

6. Is loop power supported?
Yes, it is designed for loop-powered instrumentation systems.

7. What system does it integrate with?
It integrates via FLEX I/O adapters with Rockwell PLC platforms.

8. What is the module’s weight?
Approximately 0.30–0.35 kg.

9. Does it require a terminal base?
Yes, compatible FLEX terminal bases such as 1794-TB3 are required.

10. What industries benefit most from this module?
Process industries requiring smart instrumentation and predictive maintenance capabilities.

Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China