1794-IA8 Flex I/O Digital Input Module, Allen-Bradley Rockwell 1794 Series FLEXIO Adapter

1794-IA8 module

1794-IA8 Flex I/O

1794-IA8 16-point input

1794-IA8

The 1794-IA8 Flex I/O module is a 16-point input device designed for industrial automation, providing reliable signal processing and connectivity in compact systems.

Specification

SEODescription

The **1794-IA8 module**, part of the Allen-Bradley 1794 Flex I/O series, is a compact 16-point digital input module designed for industrial automation. It features **16 isolated 24V DC sinking/sourcing inputs** (1794-IA8 16-point input), allowing direct connection to sensors, switches, or other field devices. The module interfaces with 1794 Flex I/O adapters, supporting communication via DeviceNet, ControlNet, or EtherNet/IP networks for seamless integration into PLC systems. Operating within a **19.2–30V DC power range** and a **temperature range of 0–60°C**, it is ideal for harsh environments in manufacturing, process control, and machinery. Key advantages include high-density I/O packaging, easy scalability, and robust isolation for noise immunity. A minor drawback is the need for an external adapter for network connectivity. The **1794-IA8 Flex I/O** module excels in distributed control applications requiring reliable, space-efficient digital input solutions.

SEOSpecification

Parameter	Specification
Module Type	1794-IA8 Flex I/O Digital Input Module
Input Points	16-point DC input (sink/source configurable)
Voltage Range	10-31V DC (operating), 30V DC max
Response Time	1ms ON / 1ms OFF (typical)
Backplane Current	70mA @ 5V DC
Isolation Voltage	50V continuous (field to logic)
Connection Type	Removable screw terminal block
Certifications	UL Class I Div 2, CE, ATEX Zone 2
Operating Temperature	-20°C to 60°C (-4°F to 140°F)
Dimensions	90 x 76 x 33 mm (3.54 x 3.0 x 1.3 in)

SEOQandA

question:How do you handle refurbished product malfunctions?
answer:We offer replacement or refund for refurbished products with malfunctions under warranty.
question:Do you provide technical selection services?
answer:Yes, we offer expert technical selection support to optimize product compatibility.
question:Why is a service fee charged?
answer:Service fees cover transaction processing, documentation, and administrative support costs.

SEOQandA_Product

question:Module not recognized by controller.
answer:Verify module configuration in software, ensure correct slot addressing, and cycle power.
question:Unstable input readings or noise.
answer:Check grounding, use shielded cables, and route wiring away from high-voltage sources.
question:No signal on specific channel(s).
answer:Inspect wiring for breaks, confirm channel enable settings, and test with known good sensor.
question:Module status LED indicates fault.
answer:Check power supply voltage, validate module compatibility, and replace if hardware fails.
question:Incorrect scaling of analog values.
answer:Confirm input range configuration matches sensor output (e.g., 4-20mA) in programming software.