Description
The Allen-Bradley 1791-IOBB is a compact and versatile block I/O module designed for use in distributed control systems. Featuring a 24V DC power supply, this module integrates both input and output points, simplifying wiring and enhancing operational efficiency in industrial automation environments.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Allen-Bradley
|
| Category |
|
| Part Number |
1791-IOBB
|
| Subcategory |
PLC Module/Rack |
| Series |
1791 Block I/O |
| Input voltage |
20.5 to 27.6V DC |
| Operating Temperature |
0 to 55 degrees Celsius |
| Storage Temperature |
-40 to 85 degrees Celsius |
| Relative Humidity |
5% to 95% None Condensing |
| Power Dissipation |
12.39 Watts (maximum); 8.73 Watts (typical) |
| Thermal Dissipation |
42.4 BTU/hr (maximum); 29.8 BTU/hr (typical) |
| Number of outputs |
6 |
| Outputs Type |
Source |
| Rated output voltage |
10 to 30V DC |
| Weight |
0.64 lbs |
Information About 1791-IOBB
The 1791-IOBB module is part of the Allen-Bradley 1791 Block I/O series, engineered for reliable distributed I/O management in industrial control systems. This module operates on a 24V DC supply voltage and offers a wide input voltage range of 20.5 to 27.6V DC, accommodating standard industrial power levels. It features 16 total points, comprising 10 input points for monitoring sensors and field devices, and 6 output points for controlling actuators and other load devices. The outputs are of the sourcing type, supporting devices that require positive voltage switching in typical DC control circuits.
Key Features:
- Integrated I/O: Combines 10 input points and 6 output points in a single, compact module, reducing panel space and wiring complexity.
- Wide Input Voltage Range: Supports 20.5 to 27.6V DC, providing flexibility in control system power supply configurations.
- Sourcing Outputs: Features 6 sourcing-type outputs, enabling reliable switching of positive voltage loads in DC control systems.
- High Power Efficiency: Offers a typical power dissipation of 8.73 Watts and a maximum of 12.39 Watts, promoting energy-efficient operation.
- Thermal Management: Maintains safe operating temperatures with thermal dissipation ratings of 29.8 BTU/hr (typical) and 42.4 BTU/hr (maximum).
- Industrial Temperature Range: Operates in temperatures ranging from 0 to 55°C, suitable for most industrial control panels and factory environments.
- Rugged Construction: Built to handle storage temperatures from -40 to 85°C and relative humidity from 5% to 95% non-condensing, ensuring durability and reliable performance in harsh conditions.
- Compact Footprint: Fits neatly into distributed I/O systems, simplifying installation and maintenance while maximizing cabinet space.
The 1791-IOBB is an essential component for industrial automation systems, offering a compact and reliable solution for distributed I/O requirements.
