1794-IE12 Product datasheet 

1794-IE12 Functional Description

The 1794-IE12 Flex 12 Allen-Bradley Point Analog Input Module represents a high-density analog input solution within the versatile FLEX I/O system, delivering twelve independently configurable channels in a compact form factor measuring 3.7 x 3.7 x 2.1 inches. This sophisticated module accommodates multiple signal types including 0-20mA, 4-20mA current loops, and ±10VDC voltage inputs, providing exceptional flexibility for interfacing with transmitters, indicators, and various process control instruments. The engineering design of the Analog Input Module 1794-IE12 ROCKWELL incorporates advanced successive approximation analog-to-digital conversion technology that achieves remarkable 16-bit resolution with 0.1% full-scale accuracy at room temperature, ensuring precise measurement acquisition across industrial applications.

Electrical characteristics of the  ALLEN BRADLEY FLEX I/O module 1794-IE12 demonstrate optimized power management, operating within a wide voltage range of 10.5 to 31.2 VDC while maintaining consistent performance across its specified temperature operating range from -20 to +60°C. The module's mechanical architecture employs a innovative terminal base mounting system utilizing position 3 keyswitch configuration that prevents incorrect installation while enabling module replacement without disturbing field wiring connections. This practical design feature significantly reduces maintenance downtime and enhances system reliability in continuous process environments.

Signal processing capabilities distinguish the 1794-IE12 Analog Input Module Allen-Bradley through its configurable conversion rates, offering standard 8.0 ms sampling across all channels with optional Quick Step functionality that reduces response time to 0.09 seconds for critical monitoring applications. The module's internal circuitry maintains 320 μV/count resolution for voltage signals and 0.641 μA/count for current measurements, delivering the precision necessary for demanding process control scenarios while providing robust protection against input overload conditions up to 30 volts continuous.

Implementation of the 1794-IE12 Analog Modules AB typically occurs within distributed control architectures where space efficiency and channel density are paramount considerations. The proven reliability of the module, evidenced by its compliance with operating vibration specifications of 5g at 10-500 Hz and 30g operational shock resistance, establishes this analog input module as a trusted component in manufacturing automation, process industries, and infrastructure applications requiring high-fidelity signal acquisition within the Rockwell Automation ecosystem.