Product Overview
Technical Summary
| Product type designation | CM 1241 RS 232 / 422 / 485 |
|---|---|
| Interfaces | RS 232 (full duplex) / 422 / 485 |
| Number of interfaces | 1 |
| Connection terminal | Push-in terminal block |
| Integrated protocol drivers | Freeport; ASCII; Modbus RTU master; Modbus RTU device; USS |
| 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 |
| Diagnostics function | Yes |
| IP degree of protection | IP20 |
Key Features
- Product type designation: CM 1241 RS 232 / 422 / 485.
- Interfaces: RS 232 (full duplex) / 422 / 485; 1 interface.
- Connection terminal: Push-in terminal block.
- Integrated protocol drivers: Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS. ASCII and USS are available as library functions.
- Transmission rate: RS 232: maximum 115.2 kbit/s; RS 485: maximum 250 kbit/s.
- Protection and diagnostics: IP20 degree of protection; diagnostics function available.
Frequently Asked Questions
Which product does 6ES7241-1EA50-0XB0 identify?
It identifies a SIMATIC S7-1200 G2: CM 1241 communication module with product type designation CM 1241 RS 232 / 422 / 485.
Which interfaces and terminal are supplied for this variant?
It has RS 232 (full duplex) / 422 / 485 interfaces and a push-in terminal block; the number of interfaces is 1.
Which protocol drivers are available?
Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS are available. ASCII and USS are available as library functions.
What should be checked when requesting a quotation?
Check the complete order number 6ES7241-1EA50-0XB0, then provide the required quantity and destination.
