The 1769-L23E-QB1B is an all-in-one packaged CompactLogix controller combining CPU, built-in 24V DC power supply, and 16/16 high-speed digital I/O in a single chassis. Designed for stand-alone machinery and localized control systems, it delivers Logix performance with minimal footprint and supports EtherNet/IP connectivity alongside legacy RS-232 devices.
| Item | Specification |
|---|---|
| Model Number | 1769-L23E-QB1B |
| User Memory | 512 KB non-volatile |
| Embedded Digital Inputs | 16 × 24 V DC Sink/Source |
| Embedded Digital Outputs | 16 × 24 V DC Source |
| Communication Ports | 1 × EtherNet/IP (10/100 Mbps), 1 × RS-232 (DF1/ASCII) |
| Local Expansion | Up to 2 × 1769 Compact I/O modules |
| Integrated Power Supply | 24 V DC input |
| Programming Software | RSLogix 5000 / Studio 5000 Logix Designer |
| Mounting | DIN rail or panel mount |
| Operating Temperature | 32–140 °F |
| Dimensions (H×W×D) | 118 × 147 × 87 mm |
No external 1769 power supply required
Supports up to 2 expansion I/O modules
Single Ethernet port, no DLR support (linear/star topology only)
RS-232 port allows connection to legacy HMIs or barcode scanners
Ideal for small conveyors, pump skids, and material handling systems
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