PRODUCT INFORMATION
Product Overview
The Allen-Bradley 1794-IE8XOE4 is a FLEX I/O analog module. It features eight single-ended inputs and four single-ended outputs. The unit operates on 24 Volts DC nominal power. Its allowable supply range extends from 10 to 31.2 Volts DC. Backplane current draw across the FLEXBus is 80 milliamperes.
This open-style module includes protective conformal coating. Maximum power dissipation is 3.4 Watts at 24 Volts DC. Thermal dissipation reaches 11.6 BTU per hour. The module provides 50 Volts continuous isolation protection. A front red and green LED indicates operational status.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
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| Product Line | Flex I/O 1794 |
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| UPC | 612598320189 |
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| Weight | 0.56 lbs (0.26 kg) |
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| FLEXBus Current Rating | 80 milliamperes |
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| Nominal Supply Voltage | 24 Volts DC |
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| Number of Input/Output Channels | 8 single-ended input channels and 4 single-ended output channels |
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| Enclosure Type | Open-style enclosure |
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| Analog Input/Output Range | 4 to 20 milliamperes |
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| Power Dissipation | 3.4 Watts (maximum) at 24 Volts DC |
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| Coating Type | Conformal coating |
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| Allowable Supply Voltage Range | 10 to 31.2 Volts DC |
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| Heat Dissipation | 11.6 British Thermal Units (BTU) per hour at 24 Volts DC |
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| Status Indicator Type | 1 red/green LED indicator |
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| Type of Mounting | DIN rail mount |
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| Isolation Voltage | 50 Volts (continuous) |
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| Terminal Base Screw Torque | 0.8 Newton-meters (7 inch-pounds) |
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TECHNICAL INFORMATION
Features
- Provides eight single-ended inputs and four single-ended outputs.
- Supports a 4 to 20 milliampere signal range.
- Accepts supply voltages from 10 to 31.2 Volts DC.
- Features factory conformal coating for environmental protection.
- Limits power dissipation to 3.4 Watts at 24 Volts DC.
- Delivers 50 Volts of continuous circuit isolation.
- Equipped with a red and green status indicator LED.
TECHNICAL INFORMATION
Applications
- Distributed I/O architectures using Allen-Bradley FLEX I/O racks.
- Analog signal integration for 4 to 20 milliampere field instruments.
- Simultaneous analog monitoring and control loop applications.
TECHNICAL INFORMATION
Connections / Interfaces
- Connects to terminal bases with 0.8 Newton-meters screw torque.
- Handles 4 to 20 milliampere current loop signals.
- Draws 80 milliamperes across the FLEXBus backplane.
TECHNICAL INFORMATION
Installation Guidelines
- Mount the open-style module directly onto a standard DIN rail.
- Tighten terminal base screws to 0.8 Newton-meters or 7 inch-pounds.
- Maintain supply voltage within 10 to 31.2 Volts DC.
TECHNICAL INFORMATION
Configuration Guidelines
- Set channel parameters through the controller software interface.
- Verify field loop wiring matches 4 to 20 milliampere scaling.
- Observe the bi-color LED to verify correct startup state.
TECHNICAL INFORMATION
Compatibility
- Installs on compatible Allen-Bradley 1794 FLEX I/O terminal bases.
- Interfaces across the 1794 FLEXBus system backplane.
- Compatible with 4 to 20 milliampere analog field devices.
COMPATIBILITY
Compatibility & Replacement
COMPATIBLE MODELSInstalls on compatible Allen-Bradley 1794 FLEX I/O terminal bases. Interfaces across the 1794 FLEXBus system backplane. Compatible with 4 to 20 milliampere analog field devices.
Verify compatibility against the exact Part Number, revision and manufacturer documentation before ordering.
PART VERIFICATION
Before You Order
Industrial automation parts can share similar model names, suffixes and revisions. Confirm the complete manufacturer Part Number before purchase.
01Check Part NumberMatch the complete ordering code on the existing unit.
02Confirm RevisionCheck suffix, hardware or firmware when applicable.
03Send a Label PhotoWe can review a clear label photo when identification is uncertain.
ORDERING PROCESS
From RFQ to Dispatch
1Submit Part Number2Verify Product Identity3Confirm Stock & Condition4Issue Quotation5Dispatch & Tracking
PRODUCT FAQ
Frequently Asked Questions
What input and output channels does the 1794-IE8XOE4 provide?
The module provides eight single-ended inputs and four single-ended outputs. It operates on 4 to 20 milliampere signals.
What is the operating voltage range for the 1794-IE8XOE4?
The module runs on 24 Volts DC nominal power. The allowable voltage range spans from 10 to 31.2 Volts DC.
What screw torque is required for the terminal base?
Tighten terminal base screws to 0.8 Newton-meters. This torque rating equals 7 inch-pounds.
