Allen-Bradley ControlLogix 1756-OF4 | 4-Channel Analog Output Module

Overview

The Allen-Bradley 1756-OF4 is a ControlLogix analog output module designed to deliver precise current and voltage outputs for industrial automation systems. With four configurable channels, high-resolution signal processing, and robust electrical specifications, it provides reliable performance for demanding control applications.

Technical Specifications

• Manufacturer Allen-Bradley

• Product Line ControlLogix

• Part Number 1756-OF4

• UPC 612598171828

• Weight 0.45 kg (1.00 lbs)

• Module Type Analog Output Module

• Outputs 4 channels (current or voltage)

• Output Voltage Range ±10 V

• Output Current Range 4–20 mA

• Voltage Resolution 15-bit across 10.5 V (320 µV per bit)

• Current Resolution 15-bit across 21 mA (650 nA per bit)

• Backplane Current Consumption (5 V) 150 mA

• Backplane Current Consumption (24 V) 120 mA

• Maximum Power Dissipation 4.9 W at 60 °C

• Isolation Voltage 50 V continuous

• Removable Terminal Blocks Compatible with 1756-TBNH and 1756-TBSH

• Enclosure None (open module design)

Application Scenarios

• Precision analog signal generation for process control

• Motor speed regulation and actuator positioning

• Integration into ControlLogix PLC systems for distributed automation

FAQ

Q: How many outputs are available on the 1756-OF4?  A: The module provides 4 configurable analog outputs.

Q: What resolution does the module support?  A: It offers 15-bit resolution for both current and voltage signals.

Q: Which terminal blocks are compatible?  A: The module supports 1756-TBNH and 1756-TBSH removable terminal blocks.