1769-OB16 | Allen-Bradley CompactLogix Discrete Output Module Supplier

Introduction to the 1769-OB16

As industrial automation evolves, engineers demand modules that combine density with dependability. The 1769-OB16 from Allen-Bradley meets this need with 16 discrete outputs in a single group, operating at 24V DC. Part of the Compact I/O family, this module integrates seamlessly into CompactLogix or MicroLogix 1500 controllers, offering a compact footprint for space-constrained panels.

Key Features & Technical Specs

• The 1769-OB16 is a DC output module with 16 digital outputs in one group.
• Operating voltage range is 20.4 to 26.4V DC, with a voltage category of 24V DC source.
• Current per point reaches 0.5 A at 60 °C (140 °F) and 1.0 A at 30 °C (86 °F).
• Output delay on is 0.1 ms, and output delay off is 1.0 ms.
• Maximum bus current draw is 200 mA, and heat dissipation is 2.11 W.
• Power supply distance rating is 8 modules, ensuring proper backplane current.
• Mounting options include DIN rail or panel mount, with terminal block 1769-RTBN18 included.
• Wire size for solid wire is 22-14 AWG.

Applications & Use Cases

In discrete manufacturing, the 1769-OB16 energizes solenoid valves, indicator lights, and motor contactors. For example, in a packaging line, it controls 24V DC actuators with precise timing. Additionally, it can drive AC loads through interposing relays, expanding its utility. This module suits both OEM machinery and retrofit projects where reliable switching is critical.

Installation & Setup

Mount the 1769-OB16 on a DIN rail or panel using M4 or #8 panhead screws. Ensure at least 2 inches (50 mm) of clearance around the module for airflow. Connect the included 1769-RTBN18 terminal block using 22-14 AWG solid wire. Observe the power supply distance rating of 8 modules when installing in a CompactLogix chassis. For MicroLogix 1500 systems, attach the module beside the base unit using the provided ribbon cable.

Maintenance & Reliability

Regularly inspect the 1769-OB16 for dust accumulation and verify that ambient temperature stays within 0 to 60 °C. The module supports shocks up to 30 g, making it robust for industrial environments. To maximize service life, follow electrostatic discharge precautions during handling. The solid-state design minimizes wear compared to electromechanical relays.

Compatibility & Integration

The 1769-OB16 integrates with all 1769 CompactLogix controllers and MicroLogix 1500 systems. Compatible power supplies include 1769-PA2, 1769-PB2, 1769-PA4, and 1769-PB4. It uses a 16-point communication cable and fits a single slot. Series A and B versions are available, ensuring broad system compatibility.

FAQ about 1769-OB16

Q: What is the operating voltage range of the 1769-OB16?

A: The operating voltage range is 20.4 to 26.4V DC.

Q: How many outputs does the 1769-OB16 have?

A: It has 16 outputs in a single group.

Q: What is the maximum current per point at 60 °C?

A: At 60 °C, the maximum current per point is 0.5 A.

Q: Can the 1769-OB16 be used with MicroLogix 1500?

A: Yes, it is compatible with MicroLogix 1500 controllers.

Q: What terminal block is included with the 1769-OB16?

A: The module includes a 1769-RTBN18 terminal block.

Product Support & Availability

The 1769-OB16 is in stock and ready to ship from Petro Auto Tech. Contact our team for pricing and delivery options. We support your automation needs with genuine Allen-Bradley parts.