1794-IB16XOB16P Allen-Bradley Flex I/O 24VDC 32-Point Module
The 1794-IB16XOB16P serves as a high-density solution for modern industrial automation systems requiring compact and reliable digital signal management. This Allen-Bradley Flex I/O module combines discrete input and output functions into a single unit to optimize cabinet space. Engineering teams utilize the 1794-IB16XOB16P to bridge field devices with PLC master controllers through standard Ethernet TCP/IP network interfaces. The hardware features integrated electronic protection to prevent damage from unexpected electrical surges during high-load operations.
Core Technical Specifications
- Brand: Allen-Bradley / Rockwell Automation
- Model: 1794-IB16XOB16P
- Product Line: Flex I/O 1794
- Input Type: 16-Point 24V DC Sinking
- Output Type: 16-Point 24V DC Sourcing
- Total Channels: 32 Points
- Maximum Wattage: 125 Watts
- Power Supply: 24V DC Nominal
- Enclosure Rating: IP20 NEMA Open-Style
- Network Speed: 10 Mbit/m via TCP/IP
- Mounting: DIN-rail or Panel Mount
- Physical Weight: 0.25 lbs (0.11 kg)
Advanced Hardware Architecture
- The internal CPU integrates an arithmetic module and chip registers to process logic signals at high speeds.
- Internal data and address buses connect the memory interface directly to the programmer for seamless data flow.
- Engineers configure the 1794-IB16XOB16P for 2-wire or 4-wire hardware setups in single-ended or differential modes.
- The module supports correlation processing to ensure precise control between the I/O terminals and the master PLC.
- Data transmission occurs over Ethernet networks via the TB521ETH- communication module to industrial control computers.
- The architecture allows users to assign specific CPU numbers based on the physical address of each installed module.
Installation and Integration Guide
- Mount the hardware securely on a grounded DIN-rail to ensure stable operation and effective noise rejection.
- Connect the unit to an AC500 series PLC using standard network cards for immediate remote data access.
- Ensure the 24V DC power supply meets the 125W maximum wattage requirements for full load performance.
- Verify the sinking input and sourcing output wiring diagrams to prevent polarity errors during field installation.
- Place the module within a central control room to satisfy the requirements of the IP20 environmental rating.
- Use high-quality shielded Ethernet cables to maintain a stable 10 Mbit/m transfer rate in high-interference areas.
Shipping and Logistics Information
- Packing List: One Allen-Bradley 1794-IB16XOB16P Module and technical installation documentation.
- Courier Services: Rapid international delivery via Fedex, UPS, or DHL.
- Inquiry Email: info@oiltechcontrols.com
- Direct Support: +86 158 8020 0923
- Author: Oiltech Controls
Frequently Asked Questions
- What is the primary benefit of the sinking input and sourcing output combination?
This design allows the 1794-IB16XOB16P to interface with NPN sensors and PNP actuators simultaneously. - How does the electronic protection function work?
The module monitors current levels and automatically limits power to prevent circuit failure during overcurrent events. - Which communication adapter is required for Ethernet connectivity?
We recommend the TB521ETH- industrial Ethernet module to facilitate TCP/IP communication with the master controller. - Selection Guidance:
Always confirm that your power supply provides a stable 24V DC to maintain the integrity of the logic signals.
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