1794-IE12 | Allen-Bradley Flex I/O 12-Channel High-Density Analog Input Module

Allen-Bradley · HMIs & Displays

Description The Allen-Bradley 1794-IE12 is a high-density analog input module for the Flex I/O platform, providing twelve single-ended input channels for voltage and current signals. It supports a wide range of analog input types including 0–20 mA, 4–20 mA, ±10 VDC, and 0–10 VDC. With 16-bit data formatting and successive approximation conversion, this module offers accurate and reliable analog measurement for distributed control applications.     Technical Specifications Condition New/Never Used Surplus Brand Allen-Bradley Category Flex I/O Modules Part Number 1794-IE12 Subcategory High-Density Analog Input Modules Manufacturer Rockwell Automation Number of Inputs 12 single-ended Input Types 0–20 mA; 4–20 mA; ±10 VDC; 0–10 VDC Conversion Type Successive approximation Conversion Rate 8 ms (all channels) Absolute Accuracy 0.1% full scale at 25 °C Accuracy Drift 0.004% FS/°C External DC Supply (Nominal) 24 VDC External DC Supply Range 10.0–31.2 VDC FlexBus Current 80 mA Power Dissipation 1.2 W @ 31.2 VDC Thermal Dissipation 4.1 BTU/hr @ 31.2 VDC Isolation Voltage 50 V continuous (no channel-to-channel isolation) Terminal Base Compatibility 1794-TB3G, 1794-TB3GS Indicators 1 green/red power/status LED Enclosure Type Open-style Mounting DIN rail Wire Size Determined by terminal base Operating Temperature 0–55 °C (32–131 °F) Storage Temperature –40–85 °C (–40–185 °F) Vibration 5 g @ 10–500 Hz Operating Shock 30 g Product Type Flex I/O high-density analog input module Product Description High-density voltage/current input module Dimensions 3.7 × 3.7 × 2.1 in     Information About  The 1794-IE12 belongs to the Flex I/O family and is designed for interfacing analog transmitters, indicators, controllers, and monitoring devices in process and factory automation. It provides a conversion rate of 8 ms for all channels and offers an absolute accuracy of 0.1% full scale at 25 °C. The module installs on 1794-TB3G or 1794-TB3GS terminal bases, utilizing keyswitch position 3 to ensure proper module-to-base alignment. Typical uses include temperature monitoring, flow measurement, pressure control, and general analog acquisition in distributed Flex I/O systems with space-efficient DIN-rail mounting. Key Features Twelve Single-Ended Analog Inputs: Supports current and voltage inputs for flexible signal acquisition. Wide Signal Range: Handles 0–20 mA, 4–20 mA, ±10 VDC, and 0–10 VDC inputs. Successive Approximation Conversion: Provides reliable 16-bit left-justified data processing. 8 ms Conversion Rate: Fast update across all input channels. 0.1% Accuracy: High measurement precision with low drift characteristics. DIN Rail Installation: Fits Flex I/O system architecture for distributed control. Single Power LED: Green/red indicator for status and diagnostic visibility. Compact Open-Style Enclosure: Ideal for cabinet-based control applications. The 1794-IE12 delivers the reliability and precision required for high-density analog acquisition in Flex I/O automation systems.

Brand: Allen-Bradley · Category: HMIs & Displays

Key features

• Twelve Single-Ended Analog Inputs: Supports current and voltage inputs for flexible signal acquisition.
• Wide Signal Range: Handles 0–20 mA, 4–20 mA, ±10 VDC, and 0–10 VDC inputs.
• Successive Approximation Conversion: Provides reliable 16-bit left-justified data processing.
• 8 ms Conversion Rate: Fast update across all input channels.
• 0.1% Accuracy: High measurement precision with low drift characteristics.
• DIN Rail Installation: Fits Flex I/O system architecture for distributed control.
• Single Power LED: Green/red indicator for status and diagnostic visibility.
• Compact Open-Style Enclosure: Ideal for cabinet-based control applications.

Specifications

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