Allen Bradley 1756-L73 ControlLogix 5573 Processor

The AB 1756-L73 is a high-performance ControlLogix 5573 processor equipped with 8 MB of user memory and advanced safety and diagnostic features for mission-critical automation. This modular CPU unit offers powerful control capabilities for complex processes, providing real-time response, redundancy compatibility, and robust system integration.

With built-in USB programming connectivity and compatibility with EtherNet/IP and MODBUS protocols, the 1756-L73 Memory supports flexible communication in scalable control environments—ideal for manufacturing, process automation, and high-integrity applications.

Technical Specifications

Model: 1756L73
Series: ControlLogix 5570
Processor Type: Modular Controller
User Memory: 8 MB
Form Factor: Rack-mounted
Mounting: ControlLogix chassis
Application: Process control, discrete manufacturing, high-integrity safety systems

Electrical Specifications

Input Voltage Type: Via backplane (supplied by ControlLogix power supply)
Current Draw: As defined by chassis configuration
Communication Ports:

• 1 × USB (programming)
• No embedded Ethernet

Supported Protocols:

• EtherNet/IP
• MODBUS
• No support for SERCOS, Data Highway, or TCP/IP

Safety Integration:

• SIL3 (IEC 61508)
• Performance Level e (EN ISO 13849-1)

Mechanical Specifications

Width: 292 mm
Height: 240 mm
Depth: 164.52 mm
Installation: Front mounting into ControlLogix chassis
Display: 4-character alphanumeric
Construction: Rugged, industrial-grade modular housing

Environmental Specifications

Operating Temperature: 0°C to 60°C
Storage Temperature: –40°C to +85°C
Humidity: 5% to 95% RH (non-condensing)
Shock Resistance: IEC 60068-2-27 compliant
IP Rating: N/A (depends on enclosure)

Compliance & Certifications

CE Marked: Yes
UL / cUL Listed: Yes
SIL Certification: SIL3
RoHS Compliant: Yes
Standards Compliance: IEC/EN 61508, EN ISO 13849-1

Key Features & Benefits

✅ 8MB User Memory: Large program and data storage for complex automation sequences

✅ SIL3 Rated: Ideal for high-integrity safety applications in critical systems

✅ USB Connectivity: Direct programming access without the need for a serial adapter

✅ Modular Design: Seamlessly integrates with ControlLogix chassis and I/O modules

✅ Multi-Protocol Support: Communicates via EtherNet/IP and MODBUS networks

📦 Order the Allen Bradley 1756-L73 from Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable Allen Bradley 1756-L73 prices. As a leading solution for large-scale industrial applications, this powerful processor delivers robust memory, safety, and system-wide flexibility.

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Configured for safety. Built for control. Backed by Drive Outlet Megastore