1794-IB8 Allen-Bradley Flex I/O Digital Input Module PLC Expansion

Manufacturer: Allen-Bradley
Product No.: 1794-IB8
Condition： In stock
Product Type: Digital Input Module
Product Origin: USA
Payment: T/T, Western Union
Weight: 150g
Shipping port: Xiamen
Warranty: 12 months

Quantity

Selected quantity: 1

Estimate delivery times: 12-26 days (International), 3-6 days (United States).

Return within 30 days of purchase. Duties & taxes are non-refundable.

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1794-IB8 Allen-Bradley Flex I/O Digital Input Module

Structured Product Architecture

1794-IB8
- Series → Flex I/O 1794
- Type → Digital Input Module
- Input Design → 8 Current Sinking Channels
- Mounting → DIN Rail with Terminal Base

Configuration Breakdown

Electrical Layer
- Nominal Voltage → 24V DC
- Operating Voltage → 10–31.2V DC
- On-State Current → 2–12 mA
- Off-State Voltage → ≤5V DC
- Input Impedance → 4.6 kΩ
System Layer
- FlexBus Current → 20 mA @ 5V DC
- Power Dissipation → 3.5W max
- Hot Swap Capability → Supported
Network Layer
- EtherNet/IP → Supported
- ControlNet → Supported
- DeviceNet → Supported
- Remote I/O → Compatible

Mechanical and Interface Design

Weight: 0.19 lbs (0.09 kg)
Terminal Base Compatibility:
- 1794-TB3
- 1794-TB3S
Installation via DIN rail mounting
Compact modular footprint

Operational Characteristics

Operating Temperature: 0°C to 55°C
Humidity Range: 5% to 95% non-condensing
Stable signal acquisition across all channels
Optimized for distributed I/O architectures

Diagnostic and Status Indication

16 LED indicators for channel status
Real-time input signal visualization
Supports diagnostic module variants
Improves troubleshooting efficiency

Application Integration

Distributed control systems
Factory automation lines
Process monitoring systems
Material handling equipment
Machine control panels

Global PLC Spare HUB's Insight

The 1794-IB8 delivers reliable digital signal acquisition in modular systems. It suits applications requiring flexible I/O expansion. It integrates efficiently with Flex I/O architectures. Engineers select it for hot-swap capability and network versatility. It performs well in dynamic industrial environments.

Logistics and Warranty

Warranty: 12 months
Dispatch Time: 24–48 hours
Shipping Options: FedEx, UPS, DHL
Industrial-grade packaging ensures safe delivery

FAQ

What is the advantage of current sinking inputs?

They simplify wiring with sourcing field devices. They improve compatibility in industrial circuits.

Can the module be replaced without shutdown?

Yes, it supports hot swapping under power. This reduces downtime during maintenance.

How to select a compatible terminal base?

Choose 1794-TB3 or 1794-TB3S based on wiring preference. Confirm mechanical fit and wiring requirements.

What affects input signal stability?

Noise, grounding, and cable quality impact signals. Use shielded cables for better performance.

When should I consider diagnostic variants?

Use them in critical systems requiring fault detection. They improve maintenance visibility and system uptime.

12-Month Comprehensive Warranty

Every part supplied by Global PLC Spare Hub is covered by a 12-month warranty from the date of invoice.

Coverage: Functional defects and hardware failures under normal operating conditions.
Commitment: We provide immediate repair, replacement, or a full refund for any verified defective components to minimize your operational downtime.

Returns & Exchange Policy

We offer a 30-day return policy to ensure you receive the exact part your system requires.

Eligibility: Returns are accepted for uninstalled items in their original, factory-sealed packaging.
RMA Process: Please contact our support team to obtain a Return Merchandise Authorization (RMA) number before shipping.
Fast Processing: Refunds or exchanges are processed within 3–5 business days after the returned item passes our technical inspection.

Need Technical Assistance?Not sure if this part is compatible with your system? [Consult our Engineers] before purchasing to ensure 100% compatibility.