The Allen Bradley 1794-OB16 is a 16-point digital output module, designed for use in FLEX I/O distributed control systems. It provides high-speed switching for controlling actuators, solenoids, relays, and indicator lights in industrial automation applications. The compact FLEX I/O design allows for modular expansion, space-saving installation, and seamless integration with Allen Bradley PLCs.
Technical Specifications
- Manufacturer: Allen Bradley (Rockwell Automation)
- Model: 1794-OB16 (Alternate SKU – 1794-0B16)
- Series: FLEX I/O
- Number of Outputs: 16
- Output Type: Digital (Solid State)
- Output Voltage: 24V DC (Nominal), 19.2V – 31.2V DC (Operating Range)
- Current Rating per Output: 0.5A per channel (max)
- Total Module Current Load: 8A (max)
- Output Signal Delay: 0.1 ms (On) / 1.0 ms (Off)
- Isolation: 500V DC between outputs and system
- Mounting Type: DIN Rail (FLEX I/O system)
- Communication Protocol: Requires a 1794 series adapter for network communication
- Operating Temperature: 0°C to 55°C (32°F to 131°F)
- Certifications: UL, cUL, CE, ATEX, IECEx
Key Features
- 16-point digital output control for distributed automation applications
- Compact and modular FLEX I/O design for efficient system expansion
- Fast switching capability for precise control of industrial devices
- Low power consumption with high-efficiency operation
- Supports isolated outputs to enhance system reliability
- Compatible with various network adapters (EtherNet/IP, ControlNet, DeviceNet)
- Rugged design for use in industrial environments
Compatible Allen Bradley Components
- 1794 Series FLEX I/O Adapters (1794-AENT, 1794-ACN15, 1794-ADN, etc.)
- Allen Bradley ControlLogix and CompactLogix PLCs
- FactoryTalk View for monitoring and control
- Allen Bradley FLEX I/O Power Supplies
Industry Applications
- Manufacturing process automation
- Material handling and conveyor systems
- Pneumatic and hydraulic system control
- Conveyor and machine automation
- Food, beverage, and pharmaceutical processing
Installation & Operational Notes
- Requires a 1794 network adapter for proper operation in a distributed I/O system
- Mounts on a DIN rail within a FLEX I/O chassis
- Ensure correct wiring and voltage levels to prevent system faults
- Regular maintenance recommended to ensure long-term reliability
- Supports use in hazardous locations (ATEX, IECEx-certified environments)
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