The Allen-Bradley 1756-OB16IEF is a high-performance ControlLogix DC digital output module designed for demanding industrial automation applications. As a fast, isolated output module, it provides 16 points of 10-30 VDC output capability, supporting individual point isolation and high-speed switching requirements. This module is engineered for integration within ControlLogix chassis systems, offering reliable peer-to-peer output functionality and pulse-width modulation (PWM) support for precise control tasks.
Features
16 isolated DC digital output points.
Operating voltage range: 10-30 VDC.
High-speed output switching capability for fast-response applications.
Supports peer-to-peer communication and PWM (Pulse Width Modulation).
1 A output current rating per point.
Designed for seamless integration into the Allen-Bradley ControlLogix platform.
Applications
This module is typically utilized in manufacturing and process control environments where high-speed digital switching and electrical isolation between channels are required. It is well-suited for motion control, high-speed solenoid actuation, and complex logic sequences requiring PWM output control.
Technical Specifications
Model
1756-OB16IEF
Module Type
Fast Isolated DC Output
Point Count
16
Voltage Range
10-30 VDC
Output Current
1 A per point
Compatibility
ControlLogix System
Installation Guidelines
Ensure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.
Verify that the module is fully seated in the chassis slot and secured with the top and bottom latches.
Use appropriate shielded cabling for I/O connections to minimize electromagnetic interference (EMI).
Ensure proper grounding of the chassis backplane to maintain signal integrity.
Follow standard ESD (Electrostatic Discharge) handling procedures when touching the module circuitry.
Check that the external power supply connected to the output points is within the 10-30 VDC range before applying power.
FAQ
What does the 'F' in 1756-OB16IEF stand for? The 'F' indicates that this is a 'Fast' output module, designed for applications requiring faster switching speeds compared to standard output modules.
Does this module support PWM? Yes, the 1756-OB16IEF supports Pulse Width Modulation (PWM), making it suitable for applications requiring variable duty cycle control.
