Overview
The Allen-Bradley 1756-L62 is a high-performance ControlLogix 5560/5562 processor module designed for demanding industrial automation systems. This chassis-based controller delivers dual PowerPC processors and 4 MB of user memory, making it suitable for complex discrete, analog, motion, and process control applications. The 1756-L62 integrates seamlessly into ControlLogix architectures and supports large-scale deployments with extensive I/O capacity and multiple communication protocols.
Key Features
- Dual PowerPC Processors: Fast computation and execution of complex control logic
- 4 MB User Memory: Accommodates large programs and data management for advanced applications
- Extensive I/O Capacity: Supports up to 128,000 digital points and 4,000 analog points across multi-rack systems
- Multi-Protocol Communication: EtherNet/IP, ControlNet, DeviceNet, RS-232, and DH+ connectivity
- Flexible Chassis Integration: Installs in any available slot within a ControlLogix chassis; multiple controllers can operate independently in the same chassis
- Advanced Diagnostics: Time-stamping for sequence-of-events recording and comprehensive module-level monitoring
Technical Specifications
The following table details key operational and memory specifications:
- Processor Architecture: Dual PowerPC processors
- User Memory: 4,096 KB (4 MB)
- I/O Memory: 478 KB
- Nonvolatile Memory: 64 MB CompactFlash (1784-CF64); optional 128 MB CompactFlash (1784-CF128)
- Communication Protocols: EtherNet/IP, ControlNet, DeviceNet, RS-232-C (DF1/DH-485), DH+
- Operating Temperature: -40°C to 70°C (-40°F to 158°F)
- Power Draw @ 5.1 VDC: 1.2 A
- Power Draw @ 24 VDC: 14 mA
- Power Dissipation: 3.5 W
- RS-232 Isolation: 30 V continuous (basic insulation, type-tested 720 VDC/60 sec)
- Maximum I/O Points: 128,000 digital + 4,000 analog
- Chassis Placement: Any slot; supports multiple controllers per chassis
- Battery Backup: Lithium battery support (replaceable)
Typical Applications
- Manufacturing & Machine Control: Complex automation of production lines, packaging machinery, and coordinated multi-axis control
- Process Control: Temperature, pressure, and flow regulation in chemical processing, pharmaceuticals, food & beverage, oil & gas, and power generation
- Motion Control: Synchronized servo and stepper motor control for robotics, material handling, and assembly systems
- High-Speed Machine Control: Applications requiring advanced processing speeds and extensive data handling for precision operations
- Data Acquisition & Analysis: Industrial monitoring, optimization, and predictive maintenance systems
Compatibility & Replacements
Compatible With
- ControlLogix chassis (1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A16, 1756-A25)
- ControlLogix I/O modules (analog, digital, motion, HART, specialty modules)
- Communication interface modules for EtherNet/IP, ControlNet, and DeviceNet
- CompactFlash memory modules (1784-CF64, 1784-CF128)
- Lithium battery backup systems
Replaces / Drop-In Replacement For
- Earlier ControlLogix 5500 series processors (with performance upgrade)
- Legacy 1756-L55 and 1756-L61 controllers (functional equivalent with enhanced memory)
Works With
- Software: RSLogix 5000, Studio 5000 Logix Designer and CompactLogix controllers
- Protocols: EtherNet/IP, ControlNet, DeviceNet, Modbus TCP, HART communication
- Ecosystems: Rockwell Automation FactoryTalk Suite, FactoryTalk View, and integrated MES/ERP systems
- Safety: Compatible with TwinSAFE and GuardLogix safety modules when integrated with appropriate safety I/O
