Description
Allen-Bradley 1747-L542 SLC 5/04 Processor | DH+ & RS-232
Upgrade your control system with the powerful 1747-L542 processor. This SLC 5/04 unit delivers high-speed performance and robust communication for industrial automation.
Essential Resources
- Complete installation and programming guide available
- Includes wiring diagrams and full specifications
- Download SLC 500 Manual Here
Technical Specifications
- Brand: Allen-Bradley (Rockwell Automation)
- Model: 1747-L542
- Series: SLC 500
- Processor Type: SLC 5/04
- User Memory: 32,000 Words (32KB)
- Max Discrete I/O: 8192 Points
- Max Analog I/O: 480 Points
- Program Scan Time: 0.9 ms/K
- I/O Scan Time: 0.225 ms
- Backplane Current: 1A @ 5V DC; 175mA @ 24V DC
- Communication Ports: DH+, RS-232
- Battery Backup: 1747-BA Battery
- Operating Temperature: 32°F to 140°F (0°C to 60°C)
- Chassis Support: Up to 3 chassis, 30 module slots
Compatibility Notes
- Installs in slot 0 of SLC 500 chassis (1746-A2, A7, A10, A13)
- Communicates with HMI, SCADA, and other PLC platforms
- Ideal for distributed control systems
- Supports pass-through communication to ControlLogix
Frequently Asked Questions
- Q1: What’s the difference between SLC 5/03 and 5/04 processors?
- A1: The 1747-L542 5/04 model features Data Highway Plus (DH+) communication instead of DH-485, offering higher speed and better network capabilities.
- Q2: What battery does this processor use?
- A2: It uses the 1747-BA battery for memory backup. Always replace with genuine Allen-Bradley batteries for best performance.
- Q3: Can I connect this to a PanelView HMI?
- A3: Yes, through either the DH+ or RS-232 ports, depending on your PanelView model and configuration.
- Q4: How many I/O modules can I use with this processor?
- A4: The system supports up to 30 I/O modules across a maximum of 3 local chassis.
- Q5: What does the DH+ port enable?
- A5: The DH+ port allows connection to older Allen-Bradley platforms like PLC-5 and provides networking capabilities for distributed systems.
Shipping & Warranty
We ship worldwide via FedEx, UPS, and DHL. This product includes our 12-month warranty against defects.
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