Allen-Bradley 1769-L27ERM-QBFC1B CompactLogix Controller

Overview

The Allen-Bradley 1769-L27ERM-QBFC1B is a CompactLogix controller from the 5370 L2 series, designed for efficient, scalable automation solutions. This processor module provides advanced communication capabilities and high-performance control in a compact form. With its built-in power supply and support for up to four expansion I/O modules, the 1769-L27ERM-QBFC1B is ideal for applications requiring flexibility, performance, and reliability.

Key Features and Specifications

Manufacturer: Allen Bradley (Rockwell Automation)
Product Line: CompactLogix
Product Type: Processor Module
Part Number: 1769-L27ERM-QBFC1B
UPC: 885630101262
Mounting: DIN Rail
Communication Ports: 2 x Ethernet I/P, 1 x USB
Energy Storage: Built-in, eliminating the need for lithium batteries
Programming Languages: Relay Ladder (Safety Task), Structured Text, Function Block, SFC

Technical Specifications

Parameter	Specification
Memory	1MB
Embedded Inputs	16 x 24 VDC Sinking/Sourcing
Embedded Outputs	16 x 24 VDC Sourcing
Analog Inputs	4 (Differential or Single Ended)
Analog Outputs	2 (Single Ended)
High-Speed Counter Outputs	4
No. of Axes over Ethernet	16
No. of Controller Tasks	32
No. of Programs per Task	100
Analog Input Types	Thermocouple (J, K, T, E, R, S, B, N, C), RTD, Voltage, Current, Resistance
Analog Output Types	Voltage (0-5V, 1-5V, 0-10V, ±10V), Current (0-20mA, 4-20mA)
Wire Size (Solid)	22 to 14 AWG
Wire Size (Stranded)	22 to 16 AWG

Performance and Functionality

The 1769-L27ERM-QBFC1B supports Ethernet I/P and DeviceNet communication, ensuring robust connectivity. It is designed to integrate seamlessly into Device Level Ring (DLR) networks, providing reliable communication in harsh industrial environments. Additionally, it offers advanced capabilities like motion control over Ethernet, ideal for applications that require high-precision control.

This model can handle up to 32 controller tasks, with the capacity to manage up to 100 programs. The 1769-L27ERM-QBFC1B supports expansion through local I/O modules, providing a flexible solution for various control applications. It is particularly efficient in reducing the required panel space by 40%, making it an excellent choice for space-constrained environments.

Energy Efficiency and Memory

One of the standout features of the 1769-L27ERM-QBFC1B is its built-in energy storage, which negates the need for traditional lithium batteries. This not only reduces maintenance but also enhances reliability. Furthermore, it includes a removable 1GB secure digital card for improved data integrity and system security.

Dimensions and Weight

Dimensions (HxWxD): 118mm x 70mm x 87mm (4.65 x 2.76 x 3.43 in.)
Weight: 0.79 kg (1.75 lbs)

Applications

The 1769-L27ERM-QBFC1B is suitable for a wide range of industrial applications, particularly in environments that demand compact, high-performance control. It excels in tasks such as machine control, process automation, and other automation tasks that require reliable I/O and flexible expansion options.