Integrated Safety and High-Performance Control
The 1768-L45S delivers standard CompactLogix control with integrated safety features. This controller uses a 1oo2 safety architecture for maximum reliability. It achieves Safety Integrity Level 3 (SIL 3) and Performance Level e (PL e) ratings. Such high ratings make it ideal for critical machinery. Your team can manage both standard and safety tasks from one unit. This design simplifies your control system architecture. It also reduces the need for separate safety controllers. You gain a unified programming environment for all tasks.
Memory and Processing for Complex Tasks
This processor offers substantial memory for your applications. It includes 3 MB of standard memory for automation tasks. A dedicated 1 MB of safety memory handles all safety functions. This separation keeps critical safety logic secure and isolated. You can program standard tasks using IEC-61131-3 languages. Safety tasks must use relay ladder logic with approved instructions. This controller uses a 1784-CF128 CompactFlash card for memory. It also includes an embedded RS-232 communication port.
Flexible I/O and Communication Expansion
The 1768-L45S supports a wide range of I/O configurations for your machine. It can handle up to four local 1768 I/O modules directly. You can also expand with up to thirty 1769 Compact I/O modules. These modules can be spread across three separate expansion banks. This flexibility lets you scale your system as needed. The controller also supports two 1768 communication modules. You can choose from EtherNet/IP, ControlNet, or DeviceNet modules. Both standard and safety versions of these networks are available.
Expert Technical Evaluation and Performance Review
This controller demonstrates robust engineering for demanding industrial environments. Its 1oo2 architecture ensures no single point of failure stops safety functions. The 3 MB standard memory easily handles complex machine sequences. The 1 MB safety memory provides ample space for safety routines. Engineers can create efficient code without strict memory constraints. The controller draws 2.1 Amps at 24 Volts DC from the backplane. Its power dissipation is 9.5 Watts with a consumption of 50.4 Watts. The isolation voltage is 30 Volts DC continuous with functional insulation. It withstands 500V DC for 6 seconds on isolated ports.
Mechanical and Environmental Specifications for Deployment
Proper installation requires careful planning of clearances and mounting. You can mount the 1768-L45S on a panel or a DIN rail. Allow 105 mm of clearance above and below the controller. Leave 90 mm of clearance on both the left and right sides. These gaps ensure adequate airflow for cooling the unit. The operating temperature range is 0 to 60 degrees Celsius. The non-operating range extends from -40 to 85 degrees Celsius. It handles operating vibration of 5g at 10 to 500 Hz. It also withstands operating shock of 30 g and 50 g non-operating shock. The controller measures 132 x 90 x 122 mm and weighs 0.45 kg.
Product Procurement and Buyer Guide
This model solves key pain points for safety-critical applications. It eliminates expensive and complex multi-controller setups. A single 1768-L45S handles both standard and safety logic. This integration reduces wiring, panel space, and engineering time. Procurement teams gain a single part number for both tasks. This simplifies inventory management and reduces stock keeping units. The controller supports a 5 to 95 percent relative humidity range. Its robust design ensures longevity even in harsh factory conditions. Investing in this controller reduces total cost of ownership. You get proven Rockwell Automation reliability with advanced safety features.
- One Allen-Bradley 1768-L45S Compact GuardLogix Processor Module.
- Embedded RS-232 communication port for programming and connectivity.
- Memory module slot supporting a 1784-CF128 CompactFlash card (card sold separately).
- Standard mounting hardware for panel or DIN rail installation.
- Product documentation and installation guide.
- Express delivery is available via FedEx, UPS, and DHL.
