Allen-Bradley 1769-L24ER-QB1B 0.5A Output 4A Controller

The Allen-Bradley 1769-L24ER-QB1B is a CompactLogix 5370 L2 packaged controller with embedded 24VDC digital I/O. It features 768KB user memory plus a 1GB SD card for program backup. This controller weighs 0.9 kg and supports up to 4 additional I/O modules for small to medium automation systems.

Core Features

• Controller Type: CompactLogix 5370 L2 Packaged Controller
• Built-in I/O: 16 digital inputs + 16 digital outputs (24VDC)
• Communication Ports: 2x Ethernet, 1x RS232, 1x USB
• Memory: 768KB (expandable via SD card)
• Expandability: Supports 4 additional I/O modules

Technical Specifications

Input Specifications

• Voltage range: 24VDC (10 to 28.8V range)
• Operating current: 2 to 5 mA
• Max leakage current: 1.5 mA

Output Specifications

• Type: 24VDC sourcing (20.4 to 26.4V)
• Current per point: 0.5 A @ 60°C
• Total module current: 4 A @ 60°C

Power Requirements

• Nominal input: 24VDC
• Current draw: 1.54 A @ 5V, 0.95 A @ 24V
• Power dissipation: 12.5 W

Programming

• Languages: Ladder Logic, Structured Text, Function Block, SFC
• Tasks: 32 tasks with up to 100 programs each

Communication Capabilities

• EtherNet/IP Ports (2): Supports DLR, star, and linear topologies at 10/100 Mbps
• RS232 Port: Supports DF1, DH485, ASCII protocols up to 38.4 kbps
• USB Port: USB 1.0 for programming

Memory Options

• 768KB onboard user memory
• Includes 1GB SD card (1784-SD1) for non-volatile storage
• Optional 2GB SD card (1784-SD2) available

Physical Specifications

• Dimensions (H x W x D): 4.53 x 4.13 x 4.65 inches (115 x 105 x 118 mm)
• Weight: 0.9 kg
• Mounting: DIN rail
• Wire Size: 22-14 AWG solid, 22-16 AWG stranded

Typical Applications

• Small to medium automation systems
• Packaging machinery
• Material handling systems
• Process control applications
• Assembly line automation

Package Contents

• One 1769-L24ER-QB1B CompactLogix controller
• 1GB SD memory card (1784-SD1)
• DIN rail mounting hardware
• Documentation
• 1-year manufacturer warranty

Shipping Information

• Worldwide via FedEx, UPS, DHL
• Secure packaging guaranteed
• In stock ready to ship

FAQs

• How many embedded I/O points does the 1769-L24ER-QB1B have?
  16 digital inputs and 16 digital outputs (24VDC).
• What is the memory size and included storage?
  768KB user memory plus a 1GB SD card included.
• What is the weight of this controller?
  0.9 kg.

Documentation

• Access Detailed Product Specifications PDF