Description
A-B 1769-L23E-QB1B CompactLogix Processor Module for Industrial Automation
The Allen-Bradley 1769-L23E-QB1B is a workhorse controller designed for real-world factory automation needs. We’ve seen this module hold up in demanding environments like automotive assembly lines and packaging systems where consistent performance matters. Its integrated I/O setup makes it perfect for mid-sized machines needing both logic control and data handling capabilities.
| Specification | Details |
|---|---|
| Brand | Allen-Bradley (Rockwell Automation) |
| Form Factor | CompactLogix Platform |
| Memory | Configurable up to 2MB user memory |
| Communication | 1× Ethernet/IP, 1× RS232 |
| Power Requirements | 24V DC |
| Built-in I/O | 24× 24V DC Inputs, 16× DC Outputs |
| Environmental Rating | -40°C to +60°C operating temp |


This module shines in applications where space is tight but performance can’t be compromised. We’ve installed them in food processing plants with frequent washdowns and in material handling systems with vibration challenges. The integrated I/O reduces wiring complexity when paired with standard sensors and actuators.
Common supporting setups include:
- Combination with 1769-IA16 and 1769-OA16 modules
- Integration with PanelView 5500 HMIs
- Networked with other CompactLogix controllers via ControlNet
At Guizhou Yuanmiao, we keep multiple units in stock with full factory test records. Our clients appreciate the quick turnaround – last month we shipped 3 units overnight to a textile mill in Wuxi that needed urgent replacement after a power surge incident.
Got questions about compatibility or configuration? Chat with me on WhatsApp or email 2645963284@qq.com for current pricing and availability. All units come with 1-year warranty and full technical support.
Quick Tip: When replacing in existing systems, make sure to update the firmware using RSLogix 5000 v20+ before installation. We can provide pre-upgraded units if needed.









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