Allen-Bradley 1756-OA8E ControlLogix 8-Point AC Output Module

Product Overview

The Allen-Bradley 1756-OA8E is a high-performance output module. It belongs to the ControlLogix series. This module provides 8 points of electronic fused AC output. It operates at 120 Volts AC. Each channel supports 2 Amps at 60 degrees Celsius. The module uses electronic fusing for reliable protection. It ensures safe operation in industrial environments. The 1756-OA8E supports a wide voltage range. It works from 74 to 132 Volts AC. This makes it suitable for global applications. The module has a fast output signal delay. It is 9.3 ms at 60 Hz. It is 11 ms at 50 Hz. This ensures quick response times. The module is designed for easy integration. It fits into any ControlLogix chassis. It uses a removable terminal block. Supported blocks are 1756-TBNH and 1756-TBSH. The module is CE and UL certified. It meets strict safety standards.

Application Scenarios

This 1756-OA8E module is ideal for factory automation. It controls AC loads like motors and valves. It works well in material handling systems. It is used in packaging machinery. It is common in process control systems. The module handles lighting and heater control. It is perfect for conveyor systems. It manages solenoid valves and relays. Its electronic fusing protects sensitive loads. This reduces downtime and maintenance costs. The module performs reliably in harsh conditions. It operates from 0 to 60 degrees Celsius. It handles high humidity environments. It is suitable for both OEM and end-user applications.

Technical Specifications

The module has 8 output points. Each point has electronic fusing. The output voltage is 120 Volts AC. The operating range is 74 to 132 Volts AC. The frequency range is 47 to 63 Hz. The nominal output current per channel is 2 Amps. The maximum per group is 4 Amps at 30 degrees Celsius. The maximum per module is 8 Amps at 30 degrees Celsius. It uses 200 milliamps from the 5V backplane. It uses 250 milliamps from the 24V backplane. The maximum power dissipation is 5.5 Watts. The output signal delay is 9.3 ms at 60 Hz. The isolation voltage is 50 Volts continuous. The off-state leakage current is 3mA per point. The on-state voltage drop is 4 Volts. The minimum load per point is 10mA. The surge current is 20 Amps for 43ms. The module has basic insulation type. It is tested at 1200 Volts AC for 2 seconds.

Installation & Maintenance Guide

Install the 1756-OA8E into any ControlLogix chassis. Ensure the backplane power is off. Slide the module into the slot. Secure it with the locking mechanism. Connect the removable terminal block. Use the 1756-TBNH or 1756-TBSH block. Wire the AC power and loads correctly. Follow the wiring diagram in the manual. Do not exceed the rated current. Check the module status via the LEDs. Regularly inspect the connections. Keep the module free of dust. Ensure proper ventilation. Do not operate above 60 degrees Celsius. Replace the module if a fault occurs. Use only genuine Allen-Bradley parts. For shipping, use Fedex, UPS, or DHL.

Packing List

1 x Allen-Bradley 1756-OA8E Output Module
1 x Removable Terminal Block (1756-TBNH or 1756-TBSH)
1 x Installation Manual
1 x Product Documentation CD