1756-OF4 Output Module Allen-Bradley

Allen-Bradley 1756-OF4 ControlLogix Analog Output Module

Technical Specifications

• Brand: Allen-Bradley | Model: 1756-OF4 ControlLogix Series
• Four configurable outputs supporting ±10VDC voltage and 4-20mA current
• High 15-bit resolution with 320μV/bit (voltage) and 650nA/bit (current)
• Backplane power: 150mA at 5V DC and 120mA at 24V DC maximum
• Maximum power dissipation: 4.9 Watts at 60°C operating temperature
• Supports IEEE 32-bit floating point and 16-bit integer data formats
• Module scan time: 12ms (floating-point) and 8ms (integer mode)
• Settling time: under 2ms to 95% of final value with resistive loads
• Isolation voltage: 50V continuous with 1350V AC routine test

Installation Guide

• Install directly into any 1756 ControlLogix chassis slot
• Requires 1756-TBNH or 1756-TBSH removable terminal blocks
• Ensure chassis and power supply are properly installed and grounded
• Supports Removal and Insertion Under Power (RIUP) for maintenance
• Verify wiring connections match configured output type (voltage/current)

Applications & Uses

• Control Variable Frequency Drives (VFDs) and motor speed controllers
• Operate modulating control valves and process actuators
• Drive dampers, louvers, and other positioning devices
• Provide signals to recorders, indicators, and data loggers
• Interface with external controllers for cascade control strategies
• Implement PID control outputs and mathematical calculations

Performance Features

• On-board data alarming and scaling to engineering units
• Real-time channel sampling ensures accurate output control
• Short-circuit protection limits current to 21mA maximum
• Open circuit detection available for current output configurations
• Voltage drive capability exceeds 2000 ohms load resistance
• Current drive capability handles 0 to 750 ohms load resistance
• Calibration accuracy better than 0.05% of range

Frequently Asked Questions

Q: What is the brand and model of this analog output module?
A: This is the Allen-Bradley 1756-OF4 ControlLogix analog output module.

Q: How many output channels does this module provide?
A: The 1756-OF4 offers four independent output channels for voltage or current signals.

Q: What output signal types does this module support?
A: It supports both ±10V DC voltage outputs and 4-20mA current outputs on all channels.

Q: What terminal blocks are compatible with this module?
A: You need 1756-TBNH or 1756-TBSH removable terminal blocks for field wiring connections.

Q: Is this module new and genuine Allen-Bradley product?
A: Yes, we supply only brand new, authentic Allen-Bradley 1756-OF4 modules.

Q: What is your shipping policy and delivery time?
A: We ship within 5 business days using reliable carriers including DHL, FedEx, and UPS.

Q: Do you offer return policy for this product?
A: Yes, we support 30-day returns for qualified products in original condition.

Q: Can this module be replaced while power is on?
A: Yes, the 1756-OF4 supports Removal and Insertion Under Power (RIUP) functionality.

Contact: sales@nex-auto.com