Product Description
Key Features
- Exact communication identity: CM 1241 RS 232 / 422 / 485 for SIMATIC S7-1200 G2.
- Serial interface: One RS 232 (full duplex) / 422 / 485 interface.
- Protocol drivers: Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS are supported; ASCII and USS are available as library functions.
- Transmission rates: Maximum transmission rate: 115.2 kbit/s for RS 232 and 250 kbit/s for RS 485.
- Connection and protection: Push-in terminal block; IP20 degree of protection.
- Input current and power loss: Typical input current from the backplane bus at 5 V DC: 170 mA. Typical power loss: 0.9 W.
Technical Summary
| Product type designation | CM 1241 RS 232 / 422 / 485 |
|---|---|
| Interfaces | RS 232 (full duplex) / 422 / 485 |
| Number of interfaces | 1 |
| Transmission rate, max. (RS 232) | 115.2 kbit/s |
| Transmission rate, max. (RS 485) | 250 kbit/s |
| Integrated protocol drivers | Freeport; ASCII; Modbus RTU master; Modbus RTU device; USS |
| Input current from backplane bus, typ. | 170 mA at 5 V DC |
| Power loss, typ. | 0.9 W |
| Connection | Push-in terminal block |
| IP degree of protection | IP20 |
Frequently Asked Questions
What order number should be confirmed for this CM 1241 module?
Confirm the complete order number 6ES7241-1EA50-0XB0.
Which serial interfaces does the module provide?
It provides RS 232 (full duplex) / 422 / 485 through 1 interface.
Which protocol drivers are supported?
It supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS. ASCII and USS are available as library functions.
What connection is supplied for this configuration?
It has a push-in terminal block.
