Allen-Bradley 1794-IA8I Flex XT I/O Input Module

Series#: AllenBradley

Product Details

【1794-IA8I】Allen-Bradley FLEX XT I/O Input Module – 120VAC, 8 Isolated Inputs for rugged industrial automation.
Isolated input design ensures noise immunity and reliable operation in harsh environments (Xtreme Temperature rated).
Compatible with 1794 FLEX I/O backplanes and controllers, ideal for remote I/O applications.
Supports 120VAC input signals (nominal), with LED status indicators for each channel.
Hot-swappable module design minimizes downtime during maintenance or upgrades.
Certified for hazardous locations (Class I, Division 2) – built for extreme industrial conditions.
Guaranteed 100% Original factory condition, offering fast and secure worldwide delivery.

Specification

The Allen-Bradley 1794-IA8I is a high-performance FLEX XT I/O input module engineered for extreme temperature environments, providing 8 isolated 120VAC input channels. This module is a critical component for distributed control systems requiring robust isolation between field wiring and the backplane, ensuring signal integrity and operator safety. The 1794-IA8I is designed for seamless integration with the 1794 FLEX I/O platform, offering hot-swappable capability and support for up to 2500VAC channel-to-backplane isolation. Its Xtreme Temperature rating (-20°C to +70°C) makes it ideal for demanding applications such as oil & gas, mining, and heavy manufacturing. Below is the detailed technical specification table for the 1794-IA8I module.

Parameter	Specification
Model Number	1794-IA8I
Product Type	FLEX XT I/O Input Module
Input Type	120VAC, 8 Isolated Inputs
Input Voltage Range	85-132VAC (nominal 120VAC)
Input Frequency	47-63 Hz
Input Current (per channel)	10 mA typical at 120VAC
Isolation Voltage	2500VAC channel-to-backplane (1 minute)
Input Impedance	12 kΩ at 120VAC
Off-State Voltage	Maximum 30VAC
On-State Voltage	Minimum 70VAC
Response Time (ON to OFF)	20 ms typical
Response Time (OFF to ON)	20 ms typical
Indicators	8 individual LED status indicators (green for ON)
Power Dissipation	2.5W typical (all channels ON)
Operating Temperature	-20°C to +70°C (Xtreme Temperature rated)
Storage Temperature	-40°C to +85°C
Relative Humidity	5% to 95% non-condensing
Vibration Resistance	5g Standard Models 10-500 Hz (operating)
Shock Resistance	30g (11 ms duration)
Enclosure Type	Open-style, IP20 protection (when mounted in panel)
Terminal Type	Removable terminal block (screw-type, 14-22 AWG)
Backplane Current (5V)	50 mA
Backplane Current (24V)	10 mA
Module Keying	Mechanical keying for correct insertion
Hazardous Location Rating	Class I, Division 2, Groups A, B, C, D (T4 rating)
Weight	Approx. 0.12 kg (0.26 lb)
Dimensions (H x W x D)	87 mm x 46 mm x 75 mm (3.4 in x 1.8 in x 3.0 in)
Compatibility	1794 FLEX I/O backplanes (1794-A10, -A17, -A23, -B, -C, -D, -E, -F, -G, -H, -J, -K, -L, -M, -N, -P, -R, -S, -T)
Certifications	UL, CSA, CE, ATEX, IECEx, FM (as per FLEX XT family)