Title: Allen Bradley 1794-OB16 Flex I/O 16-Point Digital Sourcing Output Module – Industrial Automation Solution

Product Overview:
The Allen Bradley 1794-OB16 is a high-performance, 16-point digital DC sourcing (PNP) output module designed for the versatile Allen Bradley Flex I/O distributed I/O system. As a critical component in modern industrial automation and control systems, this module provides reliable and efficient discrete output control for a wide range of applications. Its compact design and robust construction make it ideal for deployment in demanding manufacturing environments, where space is at a premium and reliability is paramount. The 1794-OB16 seamlessly integrates with various Flex I/O adapters and Logix controllers, offering a flexible and scalable solution for expanding your PLC or PAC system's output capabilities. It significantly reduces wiring complexity and installation costs by allowing I/O to be located closer to the field devices, enhancing system responsiveness and simplifying troubleshooting. This module is an essential asset for engineers and technicians seeking to optimize their control architectures with proven Allen Bradley technology.

Key Features & Benefits:

16 Digital Sourcing Outputs: Provides high-density control with 16 individual PNP (sourcing) output channels, ideal for managing multiple discrete devices such as solenoids, contactors, indicator lights, and small motors.
Flex I/O System Compatibility: Designed for seamless integration with the Allen Bradley Flex I/O platform, ensuring compatibility with various Flex I/O communication adapters (e.g., EtherNet/IP, ControlNet, DeviceNet, Remote I/O) and Logix controllers (ControlLogix, CompactLogix).
Distributed I/O Architecture: Facilitates the creation of distributed control systems, reducing wiring runs, minimizing installation time, and allowing I/O to be placed precisely where needed on the plant floor.
Hot Swappable Capability: Supports hot-swapping, enabling module replacement without powering down the entire Flex I/O rack, thereby minimizing downtime and maximizing operational efficiency during maintenance or upgrades.
Robust Industrial Design: Engineered to withstand harsh industrial environments, featuring a durable construction that ensures reliable performance in the presence of temperature fluctuations, vibration, and electrical noise.
Diagnostic Indicators: Equipped with LED indicators for each output channel, providing clear visual status feedback and aiding in rapid troubleshooting and fault identification, enhancing system uptime.
Cost-Effective Expansion: Offers an economical solution for expanding the output capabilities of existing or new control systems without requiring extensive rewiring or major system overhauls.
Easy Configuration: Configurable and manageable through Rockwell Software's Studio 5000 Logix Designer, simplifying programming, commissioning, and system diagnostics for automation professionals.
High Current Capacity: Each output point is capable of delivering sufficient current (0.5 A per point, 8 A total) to directly drive common industrial loads, reducing the need for intermediate relays.

Applications:

The Allen Bradley 1794-OB16 Flex I/O module is widely utilized across various industrial sectors for precise digital output control. Typical applications include:
Manufacturing Automation: Controlling actuators, solenoids, and indicators on assembly lines, packaging machinery, and material handling systems.
Process Control: Managing valves, pumps, and motor starters in chemical, food and beverage, and pharmaceutical processing plants.
Machine Control: Providing discrete outputs for industrial machinery, robotics, and specialized equipment.
Building Automation: Integrating with HVAC systems, security systems, and lighting controls in large industrial facilities.
Energy Management: Controlling power distribution units and circuit breakers in industrial power systems.
Water/Wastewater Treatment: Operating pumps, valves, and alarms in municipal and industrial water treatment facilities.

Technical Specifications:

Part Number: 1794-OB16
Alternate Part Number: 1794OB16
Module Type: Flex I/O Digital DC Sourcing Output Module
Number of Outputs: 16 (Sourcing, PNP)
Output Voltage Range: 10-31.2V DC
Nominal Output Voltage: 24V DC
Output Current Per Point: 0.5 A (max)
Total Output Current: 8 A (max)
Off-State Leakage Current: 0.5 mA (max)
On-State Voltage Drop: 0.5V DC (max @ 0.5 A)
Isolation Voltage: 50V (continuous) basic insulation type, outputs to backplane
Backplane Current: 20 mA @ 5.1V DC
FlexBus Current: 20 mA
Operating Temperature: 0 to 55°C (32 to 131°F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Relative Humidity: 5-95% non-condensing
Vibration: 5 g @ 10-500 Hz
Shock: 30 g (operating), 50 g (non-operating)
Wire Size: 0.34-2.5 mm² (22-14 AWG) solid or stranded copper wire
Dimensions (HxWxD): Approximately 94 x 46 x 94 mm (3.7 x 1.8 x 3.7 inches)
Weight: Approximately 0.11 kg (0.24 lbs)
Certifications: UL, c-UL, CE, C-Tick