

The Allen-Bradley 1769-L24ER-QB1B is a high-performance CompactLogix 5370 L2 controller designed for demanding industrial automation applications. As part of the 1768/1769 family, this processor module combines a powerful 32-bit ARM Cortex-A9 processor with an integrated Ethernet/IP port, enabling real-time control and data exchange across distributed architectures. With 2 MB of user memory and support for up to 32 tasks, it handles complex logic, motion, and drive control seamlessly. The built-in 24-point I/O (16 inputs, 8 outputs) reduces cabinet space and wiring, while the modular backplane allows for flexible expansion. Ideal for OEMs and system integrators requiring a compact yet robust solution for packaging, material handling, or water treatment systems.
| Attribute | Specification |
|---|---|
| Model Number | 1769-L24ER-QB1B |
| Product Type | CompactLogix 5370 L2 Ethernet Processor Module |
| Processor Core | ARM Cortex-A9, 800 MHz |
| User Memory | 2 MB (application + data) |
| Non-Volatile Memory | 1 MB (EEPROM for firmware/configuration) |
| I/O Capacity | 16 digital inputs (24VDC, sink/source) + 8 digital outputs (2A, relay/transistor) |
| Expansion Slots | Up to 16 local 1769-series modules via backplane |
| Ethernet Ports | 1 x RJ45, 10/100 Mbps, EtherNet/IP, DLR (Device Level Ring) capable |
| Serial Ports | 1 x RS-232/485 (non-isolated) |
| USB Port | 1 x USB 2.0 Type B (programming/configuration) |
| Communication Protocols | EtherNet/IP, CIP Sync, CIP Motion, Modbus TCP (via add-on profile) |
| Maximum Tasks | 32 (including 8 continuous, 8 periodic, 16 event-driven) |
| Maximum I/O Points (local + remote) | 256 digital / 128 analog per controller |
| Power Supply Requirement | 24VDC, 1.5A (typical) via 1769-PA4 or 1769-PB4 |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Certifications | CE, UL, cUL, ATEX, IECEx, ABS (marine) |
| Dimensions (H x W x D) | 118 x 70 x 87 mm (4.65 x 2.76 x 3.43 in) |
| Weight | 0.45 kg (1.0 lb) |

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Mitsubishi MR-J4
Laura Navas
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2019/12/01
Keyence sensor
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2020/02/22