Allen-Bradley 1756-OF8/A ControlLogix 8 Pt PLC Output Module

Allen-Bradley designs the 1756-OF8/A as a reliable analog output module for ControlLogix systems. Engineers often choose this module for precise signal control in industrial setups. Moreover, it integrates seamlessly with Rockwell Automation platforms to boost operational efficiency.

Key Technical Specifications

The 1756-OF8/A stands out with its robust build and versatile features. Below is a detailed list of its core parameters:

• Outputs: 8 single-ended, configurable for voltage or current signals.

• Output Ranges: ±10V DC or 0-20 mA, with full scalability across the span.

• Resolution: 15 bits (650 nA/bit for current; 320 µV/bit for voltage).

• Power Consumption: 150 mA at 5.1V backplane; 210 mA at 24V external supply.

• Dimensions: 14 cm height, 3.4 cm width, 13.6 cm depth for easy chassis fit.

• Weight: Approximately 0.4 kg, ensuring lightweight installation.

• Interfaces: Removable 20-pin terminal block for secure field wiring.

• Environmental Ratings: Operates from 0 to 60°C; withstands 30G shock and 2G vibration (10-500 Hz).

• Certifications: Meets UL, CSA, CE, FM, ATEX, and IECEx standards for global compliance.

• Energy Storage: Features non-volatile memory for configuration retention without external batteries.

Performance and Integration

First, consider how the 1756-OF8/A handles demanding tasks with its high-resolution outputs. For instance, it delivers accurate signals for process control applications. Additionally, short-circuit protection safeguards connected devices during operation.

Next, integration simplifies with the ControlLogix backplane connection. Technicians appreciate the module's real-time diagnostics for quick troubleshooting. Furthermore, it supports on-board alarming to prevent downtime in automation lines.