Allen Bradley 1769-L23E-QB1B CompactLogix Controller

The Allen Bradley 1769-L23E-QB1B is part of the CompactLogix 5370 L2 series, offering exceptional performance and scalability in automation systems. With its compact design and versatile features, this controller is ideal for a wide range of industrial applications.

Key Features of the Allen Bradley 1769-L23E-QB1B:

Compact and Efficient Design:
The 1769-L23E-QB1B is designed for space-constrained environments, featuring a compact form factor. Its dimensions of 3.2 cm x 15.2 cm x 14.0 cm and weight of 0.91 kg (2 lbs) make it easy to integrate into existing setups while maintaining high functionality.
Integrated Communication Ports:
The controller is equipped with 1 Ethernet I/P port and 1 RS232 port, providing reliable communication for data transfer. These ports support a range of protocols, including Ethernet I/P, DF1, DH485, and ASCII, making it compatible with a variety of devices and systems.
Embedded Inputs and Outputs:
The 1769-L23E-QB1B features 16 channels of 24VDC discrete inputs and 16 channels of discrete outputs, providing the flexibility to control and monitor various devices. Moreover, it supports the installation of up to 3 additional I/O modules to expand the system as needed.
Robust Memory Capacity:
With 512 KB of embedded user memory, the 1769-L23E-QB1B can handle up to 32 tasks, with each task supporting 100 programs. This ensures that the controller can execute multiple control and monitoring tasks simultaneously, enhancing system efficiency.
Power Supply and Energy Efficiency:
The 1769-L23E-QB1B comes with an integrated 24VDC power supply and operates at 10 to 30V DC. It draws 1000 mA at 5V DC and 700 mA at 24V DC, with a power dissipation of 7 Watts. This makes it energy-efficient while providing reliable performance across a range of automation tasks.
Reliable Expansion Options:
The 1769-L23E-QB1B allows for seamless expansion by supporting up to three 1769 I/O modules. This makes it an adaptable choice for systems that require additional I/O capacity as they grow.

Technical Specifications:

Parameter	Details
Product Series	CompactLogix 5370 L2
Product Type	CompactLogix Controller Module
Part Number	1769-L23E-QB1B
Dimensions	3.2 cm x 15.2 cm x 14.0 cm
Weight	0.91 kg (2.00 lbs)
Communication Ports	1 Ethernet I/P, 1 RS232
Supported Protocols	Ethernet I/P, DF1, DH485, ASCII
I/O Expansion	Supports up to 3 additional 1769 I/O modules
Memory	512 KB embedded user memory
Number of Tasks	32 Tasks
Number of Programs per Task	100 Programs per Task
Embedded Inputs	16 Discrete 24VDC Inputs
Embedded Outputs	16 Discrete Outputs
Current Draw (5V DC)	1000 mA
Current Draw (24V DC)	700 mA
Power Dissipation	7 Watts
Mounting	DIN Rail, Panel Mountable
Programming Languages Supported	Relay Ladder, Structured Text, Function Block, SFC
Battery	Replaceable Battery 1769-BA
Wire Size	22-14 AWG (Solid), 22-16 AWG (Stranded)
Maximum RPI (Request Packet Interval)	1 millisecond for 1 to 4 modules

Environmental and Durability Specifications:

Operating Temperature: 0°C to 60°C (32°F to 140°F)
Storage Temperature: -40°C to +85°C (-40°F to +185°F)
Vibration Resistance: 2g at 10–500 Hz (Operating), 5g at 10–500 Hz (Non-Operating)
Shock Resistance: 30g (Panel), 20g (DIN Rail – Operating)
Humidity Range: 5% to 95% (non-condensing)