Allen-Bradley 1756-OB8EI Digital Output Module

Series#: AllenBradley

Product Details

1756-OB8EI Allen-Bradley ControlLogix 8-Point Isolated DC Output Module – high-performance industrial automation solution.
Features 8 isolated, 24V DC sourcing outputs with electronic fusing and diagnostic capabilities for reliable machine control.
Supports sinking or sourcing field wiring via removable terminal blocks, simplifying installation and maintenance.
Built-in output status indicators and individual channel-level diagnostics enhance system troubleshooting and uptime.
Compatible with ControlLogix 1756 chassis and backplane for seamless integration into existing or new automation systems.
100% Genuine and New, rigorously inspected before international dispatch.

Specification

The Allen-Bradley 1756-OB8EI is a robust, isolated DC output module designed for the ControlLogix platform, delivering precise and reliable control in demanding industrial environments. This module provides 8 individually isolated outputs, each capable of sourcing 24V DC at up to 2A per point, with built-in electronic fusing to protect against overloads and short circuits. Its advanced diagnostic features, including open-wire detection and status feedback, enable real-time monitoring and rapid fault isolation, making it ideal for critical applications in manufacturing, process control, and material handling. Engineered for durability and ease of use, the 1756-OB8EI ensures high system availability and reduces downtime, while its modular design allows for flexible configuration within the ControlLogix architecture. Trust this module for consistent performance and long-term reliability in your automation infrastructure.

Specification	Details
Product Series	ControlLogix 1756
Model Number	1756-OB8EI
Output Type	DC Sourcing (Isolated)
Number of Outputs	8
Output Voltage	24V DC (nominal), 10-30V DC operating range
Output Current per Point	2A maximum (continuous)
Total Current per Module	8A maximum (at 60°C ambient)
Isolation Voltage	2500V DC between output groups and backplane
Output Protection	Electronic fusing (per point), short-circuit protection
Diagnostics	Open-wire detection, over-current, over-temperature, status feedback
Field Wiring	Removable terminal block (screw-type or spring-clamp options)
Backplane Current	150 mA at 5.1V DC, 5 mA at 24V DC
Operating Temperature	0°C to 60°C (32°F to 140°F)
Storage Temperature	-40°C to 85°C (-40°F to 185°F)
Relative Humidity	5% to 95% non-condensing
Vibration Resistance	5 g Standard Models 10-500 Hz (operating)
Shock Resistance	30 g (operating), 50 g (non-operating)
Indicators	Green/Red LED per channel (output status and fault)
Enclosure Type	Open-style (IP20) for use in control cabinet
Weight	Approximately 0.45 kg (1.0 lb)
Certifications	UL 508, CSA C22.2 No. 142, CE, ATEX (Zone 2), IECEx