Description

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The Allen-Bradley 1794-OB16 is a robust digital output module designed for the FLEX I/O system by Rockwell Automation. Engineered for industrial automation applications, this module provides 16 individually configurable relay outputs, enabling reliable control of actuators, indicators, and other discrete devices in process and factory automation. Its modular design and seamless integration with the FLEX I/O architecture make it ideal for distributed, scalable control systems.

Key Specifications

Model: 1794-OB16

Brand: Allen-Bradley (FLEX I/O Series)

Warranty: Standard Manufacturer Warranty

Output Type: Relay (Form C)

Output Points: 16 individually configurable channels

Output Ratings:

5 A @ 120 VAC

5 A @ 24 VDC

0.5 A @ 125 VDC

Isolation: Channel-to-channel and channel-to-backplane

Response Time: 10 ms typical

Communication: Via FLEX I/O adapter (1794-AENTR or equivalent)

Mounting: Snap-in installation into standard FLEX I/O racks

Main Features & Benefits

16 Discrete Outputs: Supports control of up to 16 individual devices per module, simplifying distributed I/O architectures.

Relay Output Flexibility: Form C relays allow both normally open (NO) and normally closed (NC) wiring, providing versatile control options for a variety of actuators.

High Reliability: Industrial-grade relay outputs ensure dependable operation in harsh environments.

Distributed Control Integration: Seamlessly interfaces with FLEX I/O adapters and controllers for scalable, modular automation systems.

Diagnostics & Status Indicators: Module-level and channel-level LED indicators allow rapid troubleshooting and reduce system downtime.

Typical Applications

Industrial Automation: Control of solenoids, motors, valves, alarms, and indicator lights in manufacturing lines.

Process Control Plants: Switching of pumps, heaters, and other process devices requiring discrete control.

Oil & Gas Facilities: Remote activation of valves, safety interlocks, and other critical devices in refinery and pipeline applications.

Water & Wastewater Treatment: Control of pumps, actuators, and warning systems in municipal and industrial treatment facilities.

Frequently Asked Questions (FAQ)

Q: How many outputs does the 1794-OB16 module provide?
A: It provides 16 individually configurable relay output channels.

Q: What types of devices can it control?
A: The module can switch discrete devices such as solenoids, valves, indicator lights, and other actuators compatible with the relay ratings.

Q: Is it compatible with existing FLEX I/O systems?
A: Yes, the 1794-OB16 integrates seamlessly with all standard FLEX I/O racks and adapters, allowing easy system expansion.