Technical Summary
| Product type designation | CM 1241 RS 232 / 422 / 485 |
|---|---|
| Interfaces/bus type | RS 232 (full duplex) / 422 / 485 |
| Number of interfaces | 1 |
| – Freeport | Yes |
| – ASCII | Yes; Available as library function |
| – Modbus RTU master | Yes |
| – Modbus RTU device | Yes |
| – USS | Yes; Available as library function |
| RS 232 transmission rate, max. | 115.2 kbit/s |
| RS 485 transmission rate, max. | 250 kbit/s |
| Input current from backplane bus 5 V DC, typ. | 170 mA |
| Power loss, typ. | 0.9 W |
Applications
Connects a SIMATIC S7-1200 G2 system to RS 232, RS 422, or RS 485 communication lines.
Supports Modbus RTU master and Modbus RTU device operation.
Supports Freeport and ASCII communication, with ASCII available as a library function.
Key Features
SIMATIC S7-1200 G2 CM 1241 communication module for communication tasks.
Interfaces/bus type: RS 232 (full duplex) / 422 / 485.
Supplied with a push-in terminal block.
Product lifecycle: Active Product.
DIAG LED available for status indication.
IP degree of protection: IP20.
Frequently Asked Questions
What is Siemens 6ES7241-1EA50-0XB0?
It is a SIMATIC S7-1200 G2 CM 1241 communication module.
Which interfaces does this CM 1241 module have?
It has RS 232 (full duplex) / 422 / 485 interfaces and 1 interface in total.
What are the key communication features of 6ES7241-1EA50-0XB0?
It supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS.
What is the maximum transmission rate on RS 232 and RS 485?
The maximum transmission rate is 115.2 kbit/s on RS 232 and 250 kbit/s on RS 485.
What lifecycle status is listed for this Siemens module?
Product lifecycle: Active Product.
