The Allen Bradley 1785-L46C15/F is a PLC-5/46 processor with ControlNet communication, designed for large-scale industrial automation applications requiring high-speed control, distributed networking, and reliable real-time communication. This processor is part of the Allen Bradley PLC-5 series, known for durability, scalability, and compatibility with ControlNet networks. It provides efficient logic execution, extensive I/O support, and seamless integration into complex control systems.
Technical Specifications
- Manufacturer: Allen Bradley (Rockwell Automation)
- Model: 1785-L46C15/F
- Series: PLC-5/46
- Processor Type: Programmable Logic Controller (PLC)
- User Memory: 48K Words
- Total I/O Capacity: 3072 I/O points
- Maximum Analog I/O: 512 points
- Communication Ports:
- ControlNet (for high-speed, deterministic networking)
- Data Highway Plus (DH+)
- RS-232 Serial Communication
- Backplane Current Load: 1.4 A at 5V DC
- I/O Scan Time: Varies based on rack configuration and baud rate
- Maximum I/O Chassis Supported: 13
- Programming Software: RSLogix 5
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Mounting Type: 1771 I/O Chassis (left-most slot for processor)
Key Features
- High-performance PLC-5 processor for large industrial automation systems
- ControlNet communication ensures real-time data transfer and deterministic networking
- Supports up to 3072 I/O points for large-scale industrial control applications
- Expandable memory and modular design for enhanced system scalability
- Supports redundant processor configurations for mission-critical applications
- Compatible with 1771 I/O modules, ensuring long-term system compatibility
- Allows both scheduled (deterministic) and unscheduled communication
- Reliable data exchange with remote I/O, HMIs, and SCADA systems
Compatible Allen Bradley Components
- Allen Bradley 1771 Series I/O Modules (Digital, Analog, and Specialty I/O)
- ControlNet Scanner Modules (1756-CNB, 1771-ACN15, etc.)
- Allen Bradley PanelView HMIs for process visualization
- FactoryTalk View SE/ME for system monitoring and diagnostics
- RSLogix 5 Programming Software for configuration and troubleshooting
Industry Applications
- Manufacturing process automation
- Material handling and conveyor system control
- Power generation and distribution automation
- Oil, gas, and petrochemical process control
- Water and wastewater treatment facilities
- Pharmaceutical and food processing automation
Installation & Operational Notes
- Installs in the left-most slot of a 1771 I/O chassis for central processing
- ControlNet connection requires proper configuration for deterministic control
- Ensure adequate power supply compatibility for stable operation
- RSLogix 5 software required for configuration, troubleshooting, and programming
- Regular firmware updates and system maintenance recommended
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