Key Features
- Communication module type: CB 1241 RS 485 based on 6ES7241-1CH30-1XB0.
- Interfaces and protocol support: RS-485 with integrated protocol driver support for Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS.
- Environmental and coating details: Conformal coating with operating temperature range -25…+55 °C and OT1 with ST1/2 (+70 °C für 10 minutes).
- Connection and diagnostics: Terminal block connection with diagnostics function Yes.
Technical Summary
| Product type designation | CB 1241 RS 485 |
|---|---|
| based on | 6ES7241-1CH30-1XB0 |
| RS-485 interface | RS-485 |
| Integrated protocol driver – Freeport | Yes |
| Integrated protocol driver – Modbus RTU master | Yes |
| Integrated protocol driver – Modbus RTU device | Yes |
| Integrated protocol driver – ASCII | Yes; Available as library function |
| Integrated protocol driver – USS | Yes; Available as library function |
| Power loss, typ. | 1.5 W |
| Input current from backplane bus 5 V DC, typ. | 50 mA |
| IP degree of protection | IP20 |
Applications
- RS-485 communication: Communication over an RS-485 interface.
- Modbus RTU integration: Connection for Modbus RTU master or Modbus RTU device use.
- Freeport serial communication: Freeport telegram-based communication with a maximum telegram length of 1 kbyte.
Frequently Asked Questions
What is the exact Siemens product type of 6AG2241-1CH30-1XB0?
The product type designation is CB 1241 RS 485.
Which communication functions are supported by 6AG2241-1CH30-1XB0?
It supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS.
What is the maximum cable length for this CB 1241 RS 485 module?
The maximum cable length is 1 000 m.
What electrical and protection details are available for this module?
Typical power loss is 1.5 W, typical input current from the backplane bus 5 V DC is 50 mA, and the IP degree of protection is IP20.
