Allen Bradley 1791D-8B8P I/O Module: High-Performance Industrial Automation Solution
The Allen Bradley 1791D-8B8P I/O Module delivers exceptional performance for demanding industrial automation applications. Designed for seamless integration with control systems, this module combines high-speed data processing, rugged durability, and flexible connectivity to optimize operational efficiency across diverse manufacturing environments.

Key Features
- 8 Digital Input/Output Channels – Supports mixed signal configurations for versatile automation system integration
- Modbus RTU Communication – Ensures reliable data exchange over RS-485 industrial networks
- Wide Operating Temperature Range – Functions reliably from -25°C to +70°C in extreme industrial conditions
- M12 Connector Interface – Provides vibration-resistant, secure connections for industrial environments
- IP67 Protection Rating – Offers complete dust ingress protection and temporary water submersion resistance
- Compact Industrial Design – 112mm x 90mm x 74mm housing with lightweight 200g construction for space-constrained installations
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand/Model | Allen Bradley 1791D-8B8P |
| Power Requirements | 24V DC |
| Physical Dimensions | 112mm x 90mm x 74mm |
| Operating Temperature | -25°C to +70°C |
| I/O Configuration | 8 Digital Inputs / 8 Digital Outputs |
| Communication Protocol | Modbus RTU over RS-485 |
| Environmental Protection | IP67-rated enclosure |
Industrial Applications
This high-performance I/O module excels in:
- Automated manufacturing production lines
- Process control systems in chemical plants
- Heavy machinery monitoring and control
- Outdoor and hazardous area installations
- Smart factory IoT implementations
Our Featured Product Brands & Models
As authorized distributor, we offer comprehensive industrial control solutions from leading brands including:
- ABB: DSQC series robot parts, PM866, AC800PEC
- GE Fanuc: VMIVME-7807, IC698CPE010
- Bently Nevada: 3500/44, 3300/19
- Woodward: 8521-0312, 9907-167
- Triconex: 3008, 3703X, 4355X






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