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1791D-8B8P | Allen-Bradley CompactBlock DeviceNet Module with 8 Inputs & 8 Outputs
- Regular price
- $505.00
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- $505.00
- Regular price
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Product Description P/N: 1791D-8B8P
Description
The Allen-Bradley 1791D-8B8P is a CompactBlock I/O DeviceNet module providing eight sinking inputs and eight sourcing outputs for distributed control applications. Designed for standalone use or as a base for expansion, it supports flexible I/O configurations within the 1791D series. Operating from 0–60 °C with an IP20 rating, it offers dependable performance in standard industrial environments.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs/Machine Control |
| Part Number | 1791D-8B8P |
| Subcategory | PLC Module/Rack |
| Inputs per Block | 8 |
| Input Type | Sinking |
| Input Off-State Voltage | ≤ 5 VDC |
| Input On-State Voltage | ≥ 10 VDC |
| Input Off-State Current | ≥ 1.5 mA at 5 VDC |
| Input On-State Current | ≤ 11 mA at 30 VDC |
| Outputs per Block | 8 |
| Output Type | Sourcing |
| Output Voltage Range (On-State) | 10–30 VDC |
| Output Current (Per Point) | 0.5 A max |
| DeviceNet Power Requirement | ≥ 11 VDC |
| Expansion Capability | Up to 32 I/O with add-on modules |
| Enclosure Rating | IP20 |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | –40 to 85 °C |
Information About 1791D-8B8P
The 1791D-8B8P is part of Rockwell Automation’s CompactBlock DeviceNet product family, engineered to provide modular and scalable distributed I/O solutions. Its integrated I/O includes 8 sinking digital inputs and 8 sourcing digital outputs, making it suitable for machine-level control and field device interfacing. The module can also host additional expansion input or output modules, enabling totals of up to 32 I/O points in configurations such as 24 inputs/8 outputs or 8 inputs/24 outputs. Designed to operate on a DeviceNet network, it communicates diagnostic and status data while supporting reliable on/off switching of field devices. Its IP20 construction is intended for protected control cabinets, with an operating temperature range of 0–60 °C and wide storage temperature tolerance from –40 to 85 °C.
Key Features:
- 8 Digital Inputs (Sinking): Compatible with devices requiring sinking input logic.
- 8 Digital Outputs (Sourcing): Drives DC loads within a 10–30 VDC range.
- Expandable Architecture: Supports up to 32 total I/O points with add-on modules.
- DeviceNet Connectivity: Integrates easily into distributed networking systems.
- Flexible I/O Configurations: Can be used standalone or as a base module.
- Industrial Temperature Range: Operates from 0 °C to 60 °C for typical environments.
- IP20 Rating: Suitable for enclosure installation and protected locations.
- Compact Form Factor: Space-efficient design for machine and control panel integration.
The 1791D-8B8P delivers the reliability and precision required for distributed DeviceNet I/O in industrial automation systems.
Description
The Allen-Bradley 1791D-8B8P is a CompactBlock I/O DeviceNet module providing eight sinking inputs and eight sourcing outputs for distributed control applications. Designed for standalone use or as a base for expansion, it supports flexible I/O configurations within the 1791D series. Operating from 0–60 °C with an IP20 rating, it offers dependable performance in standard industrial environments.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs/Machine Control |
| Part Number | 1791D-8B8P |
| Subcategory | PLC Module/Rack |
| Inputs per Block | 8 |
| Input Type | Sinking |
| Input Off-State Voltage | ≤ 5 VDC |
| Input On-State Voltage | ≥ 10 VDC |
| Input Off-State Current | ≥ 1.5 mA at 5 VDC |
| Input On-State Current | ≤ 11 mA at 30 VDC |
| Outputs per Block | 8 |
| Output Type | Sourcing |
| Output Voltage Range (On-State) | 10–30 VDC |
| Output Current (Per Point) | 0.5 A max |
| DeviceNet Power Requirement | ≥ 11 VDC |
| Expansion Capability | Up to 32 I/O with add-on modules |
| Enclosure Rating | IP20 |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | –40 to 85 °C |
Information About 1791D-8B8P
The 1791D-8B8P is part of Rockwell Automation’s CompactBlock DeviceNet product family, engineered to provide modular and scalable distributed I/O solutions. Its integrated I/O includes 8 sinking digital inputs and 8 sourcing digital outputs, making it suitable for machine-level control and field device interfacing. The module can also host additional expansion input or output modules, enabling totals of up to 32 I/O points in configurations such as 24 inputs/8 outputs or 8 inputs/24 outputs. Designed to operate on a DeviceNet network, it communicates diagnostic and status data while supporting reliable on/off switching of field devices. Its IP20 construction is intended for protected control cabinets, with an operating temperature range of 0–60 °C and wide storage temperature tolerance from –40 to 85 °C.
Key Features:
- 8 Digital Inputs (Sinking): Compatible with devices requiring sinking input logic.
- 8 Digital Outputs (Sourcing): Drives DC loads within a 10–30 VDC range.
- Expandable Architecture: Supports up to 32 total I/O points with add-on modules.
- DeviceNet Connectivity: Integrates easily into distributed networking systems.
- Flexible I/O Configurations: Can be used standalone or as a base module.
- Industrial Temperature Range: Operates from 0 °C to 60 °C for typical environments.
- IP20 Rating: Suitable for enclosure installation and protected locations.
- Compact Form Factor: Space-efficient design for machine and control panel integration.
The 1791D-8B8P delivers the reliability and precision required for distributed DeviceNet I/O in industrial automation systems.