Technical Summary
| Product type designation | CM 1241 RS 232 |
|---|---|
| Based on | 6ES7241-1AH32-0XB0 |
| Rated voltage (DC) | 24 V |
| Permissible range, lower limit (DC) | 20.4 V |
| Permissible range, 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 |
| Diagnostics function | Yes |
| IP degree of protection | IP20 |
Applications
Point-to-point connection over an RS 232C (V.24) interface with cable length up to 10 m.
Serial communication using the integrated Freeport protocol driver with telegram length up to 1 kbyte.
Modbus RTU master and Modbus RTU device communication over the RS 232C interface.
Key Features
CM 1241 RS 232 based on 6ES7241-1AH32-0XB0.
Interfaces/bus type: RS 232C (V.24) with 1 interface and 9-pole D-sub (pin).
Conformal coating with class 2 for high reliability and Type 1 protection against fouling.
Ambient temperature during operation: -40 °C to 70 °C; start-up @ -25 °C.
Diagnostics function: Yes. Freeport: Yes. Modbus RTU master and Modbus RTU device: Yes.
Width 30 mm, height 100 mm, depth 75 mm, weight, approx. 150 g.
Frequently Asked Questions
What is Siemens 6AG1241-1AH32-2XB0?
It is a SIPLUS S7-1200 CM 1241 RS-232 communications module based on 6ES7241-1AH32-0XB0.
What interface does 6AG1241-1AH32-2XB0 use?
It uses 1 RS 232C (V.24) interface with a 9-pole D-sub (pin) connector.
What are the operating temperature limits for this module?
Ambient temperature during operation is -40 °C to 70 °C, and start-up is -25 °C.
Does 6AG1241-1AH32-2XB0 support Modbus RTU?
Yes. Integrated protocol driver support includes Modbus RTU master and Modbus RTU device.
What mounting or connection length should be checked before ordering?
The point-to-point connection cable length, max. is 10 m, and the module has a 9-pole D-sub (pin) interface.
