Fully supports both Master and Slave (Device) modes. USS: Integrated protocol for controlling Siemens drives.
: Siemens has an official website with a comprehensive product database. You can navigate to the Siemens Industry Online Support or directly search for the product at the Siemens Product and Service homepage. 6es7241 1ch30 1xb0 pdf
: For more specific inquiries or if you can't find the information online, reaching out to Siemens' technical support or local distributors can be helpful. Fully supports both Master and Slave (Device) modes
Whether you are looking for the datasheet (PDF) to finalize a design or simply trying to understand what this module does, this post covers everything you need to know about the Siemens S7-1200 Communication Module. You can navigate to the Siemens Industry Online
| Parameter | Detail | | :--- | :--- | | | CM 1241 (Communication Module) | | Interface Type | RS422 / RS485 (electrically isolated) | | Connector | 15-pin D-Sub female (HD) | | Transmission Rate | 300 baud to 115.2 kbps (standard) Up to 187.5 kbps (with higher-end S7-1200 CPUs) | | Cable Length | Max. 1000 m (RS485), Max. 1200 m (RS422) | | Isolation Voltage | 1500 V DC (between bus logic and serial interface) | | Supply Voltage | 5 V DC from backplane bus (no external 24 V DC needed) | | Power Loss | Typ. 1.1 W | | Operating Temperature | -20 °C to +60 °C | | Dimensions (W x H x D) | 38 mm x 100 mm x 75 mm | | Compatible CPUs | S7-1200 (all generations: V2.0, V3.0, V4.x) |
If you are working with industrial automation systems, specifically within the Siemens ecosystem, you know that communication between devices is the backbone of any operation. One part number that frequently appears in system configurations requiring serial communication is the .