Allen-Bradley 1756-OF8K ControlLogix Analog Output Module

The Allen-Bradley 1756-OF8K ControlLogix Analog Output Module is a highly reliable and versatile solution designed to provide accurate and scalable analog outputs for industrial automation systems. Part of the ControlLogix family, this module is optimized for use with ControlLogix and CompactLogix controllers, ensuring seamless integration into a wide range of applications that require precise analog control.

This module supports 8 output channels, each capable of delivering 0–20 mA or 4–20 mA current or 0–10 VDC voltage signals, making it ideal for applications requiring continuous analog signals to control actuators, valves, drives, and more. The 1756-OF8K module is engineered to meet the demanding needs of industrial environments, offering excellent performance, high reliability, and robust protection features.

Key Features & Benefits

• High-Resolution Output: The 1756-OF8K provides precise and stable analog output control, supporting 8 channels of high-resolution 0–10 VDC or 0–20 mA / 4–20 mA signals, ensuring seamless interaction with industrial machinery and devices.

• Flexible Output Types: With its versatile output options, this module supports both voltage and current outputs, providing flexibility for a variety of system designs and applications.

• Integrated Diagnostics: The module features built-in diagnostic tools that help quickly identify potential issues and minimize downtime. It includes features like open-wire detection, overcurrent detection, and under/over-range detection.

• Seamless Integration: The 1756-OF8K is fully compatible with ControlLogix and CompactLogix controllers, making it a perfect fit for systems using Allen-Bradley’s Logix platform. This integration provides fast data exchange and simplified system design.

• Rugged Design: Built to operate in industrial environments, this module is designed to withstand harsh conditions. It offers a broad operating temperature range and is resistant to the wear and tear often found in industrial applications.

Technical Specifications

• Brand: Allen-Bradley

• Model: 1756-OF8K

• Module Type: Analog Output Module

• Output Channels: 8

• Output Range:

• Voltage: 0–10 VDC

• Current: 0–20 mA / 4–20 mA

• Output Resolution: 16-bit

• Accuracy: ±0.05% of full scale

• Compatibility: ControlLogix, CompactLogix systems

• Backplane Current: 350 mA

• Operating Temperature Range: -20°C to +60°C (-4°F to +140°F)

• Mounting: Compatible with ControlLogix chassis

• Dimensions: 118.1 mm (4.65 in) x 125.4 mm (4.93 in) x 55.9 mm (2.20 in)

• Weight: 0.68 kg (1.5 lbs)

Typical Applications

The Allen-Bradley 1756-OF8K Analog Output Module is ideal for a wide range of industrial applications that require precise analog control and high reliability. Common uses include:

• Process Control: Control flow, temperature, pressure, and other critical parameters in manufacturing processes that demand precise analog signals.

• Motor Control: Used to control the speed or torque of motors through analog output signals, ensuring smooth operation in automation systems.

• Valve Control: The module is widely used for controlling industrial valves, such as regulating the position of control valves in fluid handling applications.

• Industrial Machinery: Provides continuous feedback for a variety of machines and systems in industries like food processing, automotive, and pharmaceuticals.

Support & Maintenance

The 1756-OF8K ControlLogix Analog Output Module comes with Allen-Bradley’s industry-leading support and maintenance services, ensuring continued reliability and minimal downtime. These include:

• Comprehensive Documentation: Detailed installation manuals, troubleshooting guides, and diagnostic tools are provided to assist with setup and maintenance.

• Technical Support: Access to Allen-Bradley’s dedicated technical support team is available to address any setup or operational issues.

• Warranty: The module is backed by a manufacturer’s warranty, ensuring high-quality performance and longevity.

FAQ

Q1: What output types does the 1756-OF8K support?
The 1756-OF8K supports both voltage output (0–10 VDC) and current output (0–20 mA / 4–20 mA), making it versatile for various applications.

Q2: How many channels does the 1756-OF8K have?
The 1756-OF8K has 8 output channels, allowing for multiple analog signals to be generated simultaneously.

Q3: Is the 1756-OF8K compatible with other Allen-Bradley controllers?
Yes, the module is compatible with both ControlLogix and CompactLogix controllers, making it suitable for a variety of systems using Allen-Bradley’s Logix platform.

Q4: What is the temperature range for this module?
The 1756-OF8K operates reliably in temperatures ranging from -20°C to +60°C (-4°F to +140°F), making it suitable for use in harsh industrial environments.

Q5: Can I use the 1756-OF8K in process control applications?
Yes, the 1756-OF8K is ideal for process control applications, such as controlling flow, pressure, and temperature, due to its precise analog output capabilities.

Q6: How quickly can I expect the 1756-OF8K to ship?
The 1756-OF8K is typically in stock, and shipping occurs within 3–5 business days, depending on your location and order size.