Description
Allen-Bradley 1794-OB8EP Digital DC Output Module | 8-Channel Sourcing
The 1794-OB8EP from Allen-Bradley delivers high-performance DC output control for industrial automation systems. This Flex I/O module features electronic fuse protection and robust design for reliable operation in demanding environments.
Technical Specifications & Performance Data
- Brand: Allen-Bradley / Rockwell Automation
- Model: 1794-OB8EP
- Output Type: 8 Sourcing Current Outputs
- Rated Voltage: 24V DC Nominal (19.2-31.2V DC Range)
- Current Capacity: 2A per Point, 10A Module Maximum
- Voltage Drop: 0.2V DC Maximum On-state
- Leakage Current: 0.5mA Maximum Off-state
- Switching Speed: 0.1ms Maximum Transition Time
- Isolation Rating: 50V Continuous
- Power Consumption: 5.5W Maximum @ 31.2V DC
- Thermal Dissipation: 18.8 BTU/hour Maximum
- FlexBus Current: 73mA @ 5V DC
Installation & Compatibility Guide
- Compatible with 1794-TB2, TB3, TB3S, TBN, and TBKD terminal bases
- Simple DIN rail mounting with secure snap-on installation
- Works with multiple networks: DeviceNet, ControlNet, EtherNet/IP
- Requires external power supply 19.2-31.2V DC with 5% maximum ripple
- Supports universal remote I/O communication protocols
Packaging & Shipping Information
- Includes one 1794-OB8EP module unit
- Professional packaging ensures complete transportation safety
- Global shipping via FedEx, UPS, and DHL express services
- 12-month warranty coverage for all manufacturing defects
Frequently Asked Questions
- What protection features does this module offer?
The module includes electronic fuse protection that automatically disconnects outputs during overload or short circuit conditions. - Can I replace modules without shutting down the system?
Yes, the 1794-OB8EP supports hot-swapping for maintenance without system downtime. - What is the maximum current per channel and per module?
Each channel handles 2A maximum, with a total module maximum of 10A across all outputs. - Which communication networks support this module?
It works with DeviceNet, ControlNet, EtherNet/IP, and Universal Remote I/O networks. - What status indicators are available on this module?
Sixteen yellow LEDs provide individual channel status monitoring for easy diagnostics.
Alternative Module Comparisons
- For isolated analog input applications, consider the 1794-IF4IXT
- The 1794-IF8IH offers HART protocol support for analog applications
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