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The 1769-L23E-QB1B is a self-contained CompactLogix 5370 L2 controller from Allen-Bradley. It provides an all-in-one automation solution with an integrated 24VDC power supply and built-in I/O, eliminating the need for separate power or I/O modules in smaller-scale applications. This controller is ideal for space-constrained environments while maintaining the robust functionality of the Logix platform.
| Specification | Details |
|---|---|
| Model Designation | 1769-L23E-QB1B |
| Controller Family | CompactLogix 5370 L2 |
| Embedded I/O | 16 channels 24VDC discrete inputs, 16 channels discrete outputs |
| User Memory | 512 KB |
| Expansion Capability | Up to 3 additional 1769 Compact I/O modules |
| Communication Interfaces | 10/100 Mbps Ethernet, USB, RS-232 (DF1, DH-485, ASCII) |
| Power Input | 24VDC nominal |
| Physical Weight | 0.91 kg |
The controller supports real-time connectivity with HMI and SCADA systems for centralized monitoring and data acquisition. It can manage up to 32 tasks and 100 programs per task, offering significant logical flexibility. Dual-port connectivity allows simultaneous programming via USB while maintaining Ethernet communication for system monitoring and troubleshooting.
Can I expand the I/O capacity of this unit?
Yes, it supports up to three additional 1769 Compact I/O modules for scalable applications.
What types of communication protocols are supported?
It includes Ethernet for network communication and RS-232 supporting DF1, DH-485, and ASCII industrial protocols.
Is the power supply integrated?
Yes, the controller features a built-in 24VDC power supply sufficient for both internal functions and attached expansion modules.