Product Overview
Technical Summary
| Product type | CM 1241 RS 422 / 485 |
|---|---|
| Family | SIMATIC S7-1200 communication module |
| Interface | RS 422 / 485 (X.27) |
| Number of interfaces | 1 |
| Connector | 9-pole D-sub socket |
| Rated supply | 24 V DC |
| Permissible supply range | 20.4 V to 28.8 V DC |
| Protocol drivers | Freeport, ASCII, Modbus RTU master, Modbus RTU device, USS |
| Protection | IP20 |
| Product lifecycle | Active Product |
Key Features
- Product designation: CM 1241 RS 422 / 485 communication module for SIMATIC S7-1200.
- Interface and connector: 1 RS 422 / 485 (X.27) interface with a 9-pole D-sub socket.
- Supply voltage: Rated supply: 24 V DC; permissible range: 20.4 V to 28.8 V DC.
- Protocol support: Supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS. ASCII and USS are available as library functions.
- Point-to-point connection: Maximum cable length: 1 000 m.
- Protection and diagnostics: IP20 protection; diagnostics function and status indication LED are supported.
Frequently Asked Questions
What does Siemens order number 6ES7241-1CH32-0XB0 identify?
It identifies a SIMATIC S7-1200 CM 1241 RS 422 / 485 communication module with a 9-pole D-sub socket and Freeport support.
Which specifications should be checked to verify this MLFB variant?
Check the CM 1241 RS 422 / 485 designation, 1 interface, 9-pole D-sub socket, 24 V DC rated supply, permissible 20.4 V to 28.8 V DC range, and supported protocol drivers.
Which interfaces and protocols does this module provide?
It provides 1 RS 422 / 485 (X.27) interface and supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS.
What details are needed for a quotation?
Provide the complete order number, required quantity, and destination.
