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Allen-Bradley 1794-IM8 Flex I/O Digital Input Module

Allen-Bradley 1794-IM8 Flex I/O Digital Input Module

Series#: AllenBradley

Product Details

1794-IM8 Allen-Bradley FLEX I/O Digital Input Module – 8-point 24V DC sinking input interface for distributed control systems.
Compact modular design reduces panel space and simplifies wiring in harsh industrial environments.
High-density input configuration supports up to 8 discrete sensors per module for cost-effective I/O expansion.
Built-in isolation and transient protection ensure reliable operation in noisy electrical conditions.
Hot-swappable under power via FLEX I/O bus architecture minimizes system downtime during maintenance.
Compatible with ControlLogix, CompactLogix, and SLC 500 platforms through 1794-ASB or 1794-AENT adapters.
100% Genuine and New, rigorously inspected before international dispatch.

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Specification

Datasheet (PDF)

The 1794-IM8 Allen-Bradley FLEX I/O Digital Input Module is a high-performance 8-point sinking input module designed for distributed automation architectures. Engineered for 24V DC sensing applications, this module provides reliable discrete signal acquisition from limit switches, proximity sensors, and pushbuttons in manufacturing, process, and material handling systems. Its rugged enclosure and conformal coating protect against vibration, moisture, and electrical noise, making it ideal for both indoor and outdoor installations. The 1794-IM8 interfaces seamlessly with the FLEX I/O backplane, enabling fast data exchange with controllers via remote I/O or EtherNet/IP networks. Each input channel features LED status indication for quick troubleshooting, while the module’s low power consumption reduces thermal load in crowded cabinets.

Parameter	Specification
Model	1794-IM8
Type	Digital Input Module – Sinking
Number of Inputs	8
Input Voltage Range	10–30V DC (nominal 24V DC)
Input Current per Point	6 mA at 24V DC
Input Signal Type	Sinking (current sink to common)
ON State Voltage	≥ 10V DC
OFF State Voltage	≤ 5V DC
ON State Current	≥ 2 mA
OFF State Current	≤ 1 mA
Input Delay (OFF to ON)	1 ms typical
Input Delay (ON to OFF)	1 ms typical
Isolation Voltage	50V AC/75V DC between input and backplane
Power Consumption	3.5W (max) from backplane
Operating Temperature	-20°C to +55°C (-4°F to +131°F)
Storage Temperature	-40°C to +85°C (-40°F to +185°F)
Relative Humidity	5% to 95% non-condensing
Vibration Resistance	5 g Standard Models 10–500 Hz (per IEC 60068-2-6)
Shock Resistance	30 g (per IEC 60068-2-27)
LED Indicators	1 per input (green for ON state)
Connection Type	Removable terminal block (1794-TB3 or 1794-TB3S)
Module Width	25 mm (0.98 in)
Weight	0.15 kg (0.33 lb)
Compatible Backplanes	1794-TB3, 1794-TB3S, 1794-TB3G, 1794-TB3GS
Communication Protocol	FLEX I/O backplane (remote I/O or EtherNet/IP via adapter)
Certifications	UL, CE, CSA, ATEX (Zone 2), IECEx