Description
The Siemens SIMATIC S7-1200 Communication Board CB 1241 (6ES7241-1CH30-1XB0) is a compact communication board designed for S7-1200 series PLCs, providing RS485/RS422 serial interface. This communication board installs inside the S7-1200 CPU, supporting point-to-point communication to enable data exchange with various serial devices such as frequency converters, instruments, barcode scanners, etc. It supports Modbus RTU master/slave communication, USS protocol, and freeport communication, offering flexible data exchange capabilities. Easy configuration and diagnostics via TIA Portal software make this an economical and efficient serial communication solution for industrial automation systems.
Key Features
- Communication Board for internal installation in SIMATIC S7-1200 CPU
- Serial interface type: RS485/RS422
- Data transfer rate: 300 to 115,200 baud
- Supported protocols: Modbus RTU master/slave, USS, ASCII
- Maximum connection distance: 1200 meters (compliant with RS485 standard)
- Isolation voltage: 1500V AC
- Direct installation inside CPU, no external module required
- Easy configuration via TIA Portal software
- Integrated diagnostic LED indicators
- Operating temperature: 0°C to +60°C
- Protection degree: IP20
- Certifications: CE, UL, CSA
- Country of origin: China
Technical Specifications
- Interface Type: RS485/RS422
- Transmission Rate: 300 to 115,200 baud
- Data Bits: 7 or 8 bits
- Parity: None, Even, Odd
- Stop Bits: 1 or 2 bits
- Communication Protocols: Modbus RTU master/slave, USS, ASCII
- Maximum Nodes: 32 (RS485 network)
- Isolation Voltage: 1500V AC (port isolated from CPU)
- Power Consumption: 1W typical
- Operating Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +70°C
- Weight: approx. 0.05 kg
- Protection Degree: IP20
Warranty & After-Sales
- Factory new units: 12 months warranty
- Refurbished units: 3-6 months warranty
- Technical support for system integration
- TIA Portal configuration assistance
- Protocol communication debugging support
- Commissioning assistance available
Delivery Time
- Standard delivery: 3-5 working days
- Express shipping available upon request
Why Choose Our Store
- Genuine Siemens SIMATIC components
- Global supply network with competitive pricing
- Expertise in serial communication protocols
- Comprehensive technical documentation support
- Responsive customer service
Applications
- Frequency converter USS protocol communication
- Modbus RTU device connection
- Serial instrument data acquisition
- Barcode scanner communication
- Electronic scale data reading
- Temperature controller integration
- Flow meter data collection
- Smart meter communication
- Production line serial device connection
- Small automation system communication
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