Product details
Product Overview
The Allen-Bradley 1769-L24ER-QB1B is a high-performance programmable automation controller from the CompactLogix 5370 series by Rockwell Automation. This versatile unit combines embedded I/O, robust communication options, and expandable memory to serve small and medium automation applications efficiently.
Key Technical Specifications
- Brand: Allen-Bradley (Rockwell Automation)
- Model: 1769-L24ER-QB1B (Series A and B)
- Controller Type: CompactLogix 5370 L2 Packaged Controller
- Embedded Memory: 768 KB (Expandable via 1784-SD1/SD2 cards)
- Digital Inputs: 16 x 24V DC (Sink/Source, 10-28.8V DC operating range)
- Digital Outputs: 16 x 24V DC Sinking
- Communication Ports: 2 x Ethernet/IP (supports DLR), 1 x RS-232, 1 x USB
- Supported Protocols: EtherNet/IP, DF1, DH485, ASCII
- Max. Expandable I/O Modules: 4 x 1769 Compact I/O modules
- Power Supply: 24V DC (Isolated)
- Shipping Weight: 3 lbs. (Dimensions: 11x8x6 in.)
Memory & Programming
- The controller features 750 KB of embedded user memory for project files.
- It includes a shipped 1 GB non-volatile 1784-SD1 memory card for program backup and storage.
- An optional 2 GB 1784-SD2 card is available for larger data requirements.
- It supports multiple programming languages, including Structured Text, Function Block Diagram, and Sequential Function Chart.
Installation & Wiring
- The unit mounts on a standard DIN rail using a 1769-RTBN18 terminal block.
- It accepts copper wire (90°C) sized between 22-14 AWG (solid) or 22-16 AWG (stranded).
- The embedded power supply operates on a 24V DC input source.
Packaging & Shipping
- Each unit ships with the 1769-L24ER-QB1B controller.
- Includes one 1 GB 1784-SD1 memory card.
- We ship globally via FedEx, UPS, or DHL for reliable and fast delivery.
Frequently Asked Questions (FAQ)
- What is the operating voltage for the inputs?
The digital inputs operate within a range of 10V DC to 28.8V DC. - How many I/O modules can I add?
You can expand the system with up to four additional 1769 Compact I/O modules. - Does it support motion control?
Yes, it supports up to 2 axes of motion over Ethernet.
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