The Allen-Bradley 1769-L35CR CompactLogix Controller is a mid-range programmable automation controller designed for applications requiring ControlNet communication and redundancy. With integrated support for redundant ControlNet networks, it ensures high availability and reliable system performance in critical automation environments.
Technical Specifications
Series: CompactLogix
Model: 1769-L35CR
Controller Type: Redundant ControlNet-enabled PLC
Memory Capacity: 1.5 MB user memory
Communication Ports: ControlNet, RS-232, Ethernet/IP (via expansion)
Redundancy: Dual ControlNet channels for fault-tolerant operation
I/O Capacity: Supports up to 30 local I/O modules
Power Supply Distance Rating: 4 modules from power supply
Programming Software: RSLogix 5000 / Studio 5000
Enclosure Type Rating: None (open style)
Battery: 1769-BA for memory retention
Wiring Category: 2 (communication ports)
Wire Type: Copper, 90 °C rated
Wire Size: 22–14 AWG solid, 22–16 AWG stranded
Shipping Weight: ~2.5 kg
Application Scenarios
Redundant ControlNet architectures in process industries
High-availability machine control systems
Packaging, material handling, and assembly automation
Integration with SCADA and MES systems requiring fault tolerance
FAQ
Q: What makes the 1769-L35CR different from the 1769-L35E? A: The L35CR includes ControlNet redundancy, while the L35E focuses on Ethernet/IP connectivity.
Q: How many local I/O modules can be supported? A: Up to 30 modules can be connected locally.
Q: Which software is compatible for programming? A: RSLogix 5000 and Studio 5000 are supported.
