Allen-Bradley 1762-OA8 AC Solid-State Output Module

1762-OA8 8-Point Output Module by A-B for MicroLogix

Product Introduction

The Allen-Bradley 1762-OA8 is a robust solid-state output module. It belongs to the MicroLogix expansion I/O family. This module offers eight AC Triac outputs for controlling field devices. It handles loads with an operating voltage range of 85 to 265V AC. Therefore, it is well-suited for global industrial power systems.

Engineers choose this module for its reliability and compact footprint. It integrates seamlessly with MicroLogix 1100, 1200, and 1400 controllers. Additionally, its solid-state design ensures fast switching without moving parts. This feature enhances long-term durability in harsh factory environments.

Technical Specifications of the 1762-OA8

This output module delivers consistent performance across a wide power spectrum. Its key technical parameters are detailed below.

Power and Voltage Ratings

• Input Power: The module accepts a supply voltage of 100 to 240V AC.

• Operating Voltage: It functions reliably between 85 and 265V AC.

• Operating Frequency: The unit supports frequencies from 47 to 63 Hertz.

• Heat Dissipation: It dissipates a maximum of 2.9 Watts of heat.

Output Characteristics

• Number of Outputs: The module features eight (8) AC Triac outputs.

• Commons: It includes two commons for flexible load grouping.

• Voltage Drop: The maximum on-state voltage drop is 1.5V at 0.5A.

• Minimum On-State Current: This is rated at 10 mA for reliable switching.

Bus Current Consumption
The 1762-OA8 draws a maximum bus current of 115 mA at 5V DC. This low consumption is ideal for systems with limited power budgets.

Environmental and Compliance Standards

This module operates reliably within a defined temperature range. Its non-operating temperature spans from -40 to 185°F. Meanwhile, the operating temperature ranges from 32 to 131°F.

Regulatory Compliance
The 1762-OA8 meets several important industry standards. For instance, it complies with NEMA ICS 2-230 and EN50081-2 Class A. Furthermore, it adheres to IEC1000-4-2 and IEC1000-4-3 standards. These certifications ensure electromagnetic compatibility and safety.

Installation and Mounting Guidance

Proper installation is critical for optimal performance. Follow these guidelines to ensure a successful setup.

Mounting Surface Requirements
The module must be well-grounded on a suitable mounting surface. Typically, a metal panel provides the best grounding. Specifically, refer to Allen-Bradley's wiring and grounding guidelines for detailed instructions.

Pre-Installation Checks
Before applying power, ensure the module is free from all metal fragments. These fragments can cause short circuits or damage. Additionally, keep the finger-safe cover in place while wiring the terminal block.

Important Note on the Finger-Safe Cover
Once removed, this cover cannot be reattached. The position of the wires will physically prevent it. Consequently, plan your wiring carefully before removing this protective cover.

Compatibility and System Integration

The Allen-Bradley 1762-OA8 offers broad compatibility within the MicroLogix family. It works perfectly with the following controllers:

• MicroLogix 1100

• MicroLogix 1200

• MicroLogix 1400

This compatibility makes it a versatile choice for system upgrades or new installations. Moreover, it easily expands the I/O capacity of these controllers.

Performance and Application Benefits

Solid-state outputs provide significant advantages over relay outputs. They offer faster switching speeds and longer operational life. Furthermore, they are silent and resistant to vibration. Therefore, the 1762-OA8 is ideal for applications requiring frequent cycling. It excels in controlling solenoids, indicators, and small motor starters.

Packaging List

Your package for the 1762-OA8 includes the following items:

• One Allen-Bradley 1762-OA8 Solid-State Output Module

• One removable terminal block with finger-safe cover

• Installation instructions sheet

Shipping Information

All orders are processed promptly and shipped with care. We utilize trusted global carriers for delivery. These include FedEx, UPS, and DHL for fast and reliable service.

Frequently Asked Questions (FAQ)

1. Which controllers are compatible with the 1762-OA8 module?
The 1762-OA8 is fully compatible with MicroLogix 1100, 1200, and 1400 controllers. It functions as an expansion I/O module for these systems.

2. What is the operating voltage range for this output module?
This module operates within a voltage range of 85 to 265V AC. Its frequency tolerance is 47 to 63 Hertz, covering most global mains supplies.

3. How many outputs does the 1762-OA8 provide?
The Allen-Bradley 1762-OA8 provides eight (8) AC Triac outputs. These are organized with two commons for flexible wiring configurations.

4. Can the finger-safe cover be reattached after wiring?
No, the finger-safe cover cannot be reattached once removed. The installed wires will block its repositioning. Therefore, complete your wiring carefully before removing it.

5. What is the maximum heat dissipation of the 1762-OA8?
The module dissipates a maximum of 2.9 Watts of heat. This low thermal output allows for dense panel mounting without excessive heating.