Key Features
- RS-232 communications module: Product type designation: CM 1241 RS 232.
- Single interface: Interfaces/bus type: RS 232C (V.24); Number of interfaces: 1.
- Protocol support: Supports Freeport, ASCII, Modbus RTU master, and Modbus RTU device.
- Conformal coating: SIPLUS version with conformal coating and Class 2 for high reliability.
- Supply and installation details: Rated value (DC): 24 V; 9-pole D-sub (pin) interface; Width: 30 mm.
Technical Summary
| Product type designation | CM 1241 RS 232 |
|---|---|
| Based on | 6ES7241-1AH32-0XB0 |
| Rated value (DC) | 24 V |
| Permissible lower limit (DC) | 20.4 V |
| Permissible upper limit (DC) | 28.8 V |
| Current consumption, max. | 200 mA; From backplane bus 5 V DC |
| Power loss, typ. | 1.1 W |
| Interfaces/bus type | RS 232C (V.24) |
| Number of interfaces | 1 |
| Freeport protocol | Yes |
| ASCII protocol | Yes; Available as library function |
| Modbus RTU master | Yes |
| Modbus RTU device | Yes |
| IP degree of protection | IP20 |
| Ambient temperature during operation, min. | -20 °C; = Tmin (incl. condensation/frost); start-up @ -25 °C |
| Ambient temperature during operation, max. | 60 °C; = Tmax |
Applications
- RS-232 serial communication: For connecting an RS-232C (V.24) serial link through the 9-pole D-sub (pin) interface.
- Modbus RTU communication tasks: For Modbus RTU master and Modbus RTU device communication.
- Freeport and ASCII data exchange: For Freeport communication and ASCII communication using the integrated protocol driver.
Frequently Asked Questions
What is the exact Siemens model of this communications module?
The exact product name is 6AG1241-1AH32-4XB0, with Product type designation CM 1241 RS 232.
What interface does 6AG1241-1AH32-4XB0 use?
It uses RS 232C (V.24) and has 1 interface with a 9-pole D-sub (pin) connection.
Which communication protocols are supported by this module?
It supports Freeport, ASCII, Modbus RTU master, and Modbus RTU device.
What are the electrical supply requirements?
Rated value (DC) is 24 V, with a permissible range from 20.4 V to 28.8 V.
What should be confirmed before ordering this Siemens module?
Confirm the exact model 6AG1241-1AH32-4XB0, the required quantity, and the destination and dispatch conditions for your inquiry.
