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6ES7241-1CH30-1XB0 is a communication board for Siemens’ SIMATIC S7-1200 series, which is mainly used to realize serial – communication functions in industrial automation systems. The following is a detailed description:
- Model and Series: This product is named 6ES7241-1CH30-1XB0, belonging to the CB 1241 series of communication boards in the SIMATIC S7-1200 system. It is an RS – 485 communication board, which is suitable for point – to – point communication scenarios.
- Main Functions: Its core function is to enable fast and high – performance serial data exchange through point – to – point connection. It can be connected to SIMATIC S7 automation systems, robot controls, modems, scanners, bar code readers and other devices, realizing data transmission and communication between PLC and these devices.
- Communication Specifications: The module supports RS – 485 communication standard, with a maximum wire length of 1000 meters. It can work at a variety of baud rates, and supports protocols such as free port, ASCII, Modbus RTU, and USS. The Modbus RTU master station has an address range of 1 to 49999, and can support up to 247 slave stations, with a maximum of 32 devices per MODBUS segment. The slave station also has an address range of 1 to 49999.
- Electrical Characteristics: It draws current from the back – plane bus, with a typical value of 50 mA at DC 5V, and a typical power loss of 1.5 W. The port is isolated, which can effectively reduce the impact of electrical noise.
- Configuration and Use: It can be directly inserted into the front bracket of each S7 – 1200 CPU, which is electrically and mechanically connected to the CPU, and the installation size of the CPU remains unchanged. Users can use STEP 7 Basic for parameterization, and can query and control interface handshake signals through user – defined programs.
- Mechanical and Protection Features: The protection level is IP20, which is suitable for installation in the control cabinet. Its width is 38 mm, height is 62 mm, depth is 21 mm, and weight is about 40 g. All terminals on the communication board are detachable, which is convenient for replacement.
- Environmental Requirements: It can operate in the temperature range of – 20 °C to 60 °C, and the storage and transportation temperature range is – 40 °C to 70 °C. It complies with CE, CSA, UL and other certification standards, and has a wide range of applicability in the global market.
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