Product Overview
Technical Summary
| Product type designation | CM 1241 RS 232 / 422 / 485 |
|---|---|
| Interfaces | RS 232 (full duplex) / 422 / 485; 1 interface |
| Protocol drivers | Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS |
| Transmission rate, max. | RS 232: 115.2 kbit/s; RS 485: 250 kbit/s |
| Input current | From backplane bus 5 V DC, typ. 170 mA |
| Power loss, typ. | 0.9 W |
| Connection | Push-in terminal block |
| Protection | IP20 |
| Lifecycle | Active Product |
Key Features
RS 232 (full duplex) / 422 / 485; 1 interface.
Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS.
Maximum 115.2 kbit/s for RS 232 and 250 kbit/s for RS 485.
Push-in terminal block; packaging dimensions: 152.00 x 50.00 x 110.00 mm.
Input current from backplane bus 5 V DC, typ. 170 mA; power loss, typ. 0.9 W.
IP20 degree of protection; Active Product.
Frequently Asked Questions
What exact line item is 6ES7241-1EA50-0XB0?
It is the Siemens SIMATIC S7-1200 G2 CM 1241 communication module, product type designation CM 1241 RS 232 / 422 / 485.
Which interfaces and protocol drivers does the module have?
It has 1 RS 232 (full duplex) / 422 / 485 interface and supports Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS.
What connection is supplied?
It has a push-in terminal block.
What should be provided for a project quotation request?
Provide the requested quantity, destination, schedule context and any additional BOM lines for quotation review.
