Siemens S7-1200 COMMUNICATION BOARD CB1241, 6ES7 241-1CH30-1XB0

? Overview

• Model: 6ES7 241-1CH30-1XB0
• Type: Communication Board (CB 1241)
• Interface: RS-485
• Mounting: Screw terminal block
• Protocols Supported:
• Freeport
• Modbus RTU Master/Slave
• ASCII (via library function)
• USS (via library function)
• Cable Length: Up to 1,000 meters
• Protection Rating: IP20
• Power Consumption:
• Input Current: 50 mA (from 5 V DC backplane)
• Power Loss: 1.5 W
• Operating Temperature: -20°C to +60°C (horizontal mounting); -20°C to +50°C (vertical mounting)
• Storage Temperature: -40°C to +70°C
• Humidity: Up to 95%, non-condensing

? Features & Applications

• Point-to-Point Communication: Ideal for connecting devices such as HMIs, barcode scanners, or remote I/O modules over long distances.
• Protocol Flexibility: Supports multiple communication protocols, making it versatile for various industrial applications.
• Compact Design: Space-saving module that integrates seamlessly with the S7-1200 PLC.
• Diagnostic Capabilities: Provides diagnostic messages and status indicators for efficient troubleshooting.

? Physical Specifications

• Dimensions: 38 mm (W) × 62 mm (H) × 21 mm (D)
• Weight: Approximately 0.07 kg

? Lifecycle & Availability

• Lifecycle Status: Active (PM300)
• Availability: Available for purchase through Siemens and authorized distributors.

✅ Summary Table