Loop checking is a vital pre-commissioning process in industrial automation that verifies signal integrity between field instruments and control systems like PLCs or DCS. It ensures accurate wiring, calibration, and control logic before startup, reducing downtime and improving plant reliability and safety.
Product Details
Product Description
The Allen-Bradley 1769-L23E-QB1B CompactLogix 5370 L2 controller is a packaged processor module designed for mid-range machine control applications. It integrates communication, processing, and embedded I/O in a single unit, making it suitable for distributed automation systems requiring compact yet powerful control.
Technical Specifications
-
Manufacturer Allen-Bradley
-
Product Line CompactLogix 5370 L2
-
Part Number 1769-L23E-QB1B
-
Category PLCs / Machine Control
-
Weight 2.00 lbs (0.91 kg)
-
Module Type Processor Module
-
Memory 512 KB
-
Communication Ports 1 Ethernet/IP, 1 RS-232
-
Supported Protocols EtherNet/IP, DF1, DH485, ASCII
-
Embedded Inputs 16 × 24 V DC
-
Maximum I/O Modules Supported 3 × 1769 modules
-
Tasks Supported 32 tasks
-
Programs per Task Up to 100
-
Programming Languages Relay Ladder (Safety Task only), Structured Text, Function Block, SFC
-
Mounting Style DIN rail or panel mount
-
Current Draw @ 5 V DC 1000 mA
-
Current Draw @ 24 V DC 700 mA
-
Series A and B
-
Replacement Terminal Block 1769-RTBN18
-
Battery 1769-BA
-
End Cap 1769-ECR
-
Wire Type Copper, rated 90 °C
-
Wire Size (Solid) 22–14 AWG
-
Wire Size (Stranded) 22–16 AWG
-
Isolation Voltage 30 V tested
-
Power Consumption 31.1 W
-
Power Dissipation 6.3 W
Application Scenarios
-
Compact machine control requiring embedded I/O and Ethernet connectivity
-
Distributed automation systems with limited space for controllers
-
Applications needing multiple programming languages for flexible logic design
FAQ
-
Q: How many embedded inputs are available? A: Sixteen 24 V DC inputs.
-
Q: What communication protocols are supported? A: EtherNet/IP, DF1, DH485, and ASCII.
-
Q: How many I/O modules can be added? A: Up to three 1769 modules.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Technical Insights, Installation Guides, and Buying Tips
The Evolution of Programmable Logic Controllers (PLC) in Industrial Automation
In industrial automation, a control system includes input devices, controllers, and output devices. Sensors collect data, controllers process signals, and actuators perform actions. Among them, Programmable Logic Controllers (PLCs) offer versatile, reliable control for complex processes from manufacturing to wastewater treatment.
Troubleshooting Allen-Bradley PLC Logic for Pressure Control Systems
Programmable Logic Controllers (PLCs) are essential in industrial automation, enabling precise control of devices like solenoid valves in gas processing. Allen-Bradley CompactLogix PLCs offer reliable, flexible solutions for complex factory control tasks.