Technical Summary
| Product type designation | CB 1241 RS 485 |
|---|---|
| Based on | 6ES7241-1CH30-1XB0 |
| Input current from backplane bus 5 V DC, typ. | 50 mA |
| Power loss, typ. | 1.5 W |
| Integrated protocol driver – Freeport | Yes |
| Integrated protocol driver – ASCII | Yes; Available as library function |
| Integrated protocol driver – Modbus RTU master | Yes |
| Integrated protocol driver – Modbus RTU device | Yes |
| Integrated protocol driver – USS | Yes; Available as library function |
| Isolation tested with | 750 V DC (type test) and according to EN 50155 (routine test) |
| IP degree of protection | IP20 |
| Ambient temperature during operation, horizontal installation | -25 °C; = Tmin (incl. condensation/frost) |
Key Features
Built for the SIPLUS S7-1200 category as a CB 1241 RS 485 rail module.
The model is based on 6ES7241-1CH30-1XB0.
Uses RS-485 and a terminal block connection.
Supports Freeport.
Includes conformal coating.
Specified for -25…+55 °C, with OT1 and ST1/2 (+70 °C for 10 minutes).
Applications
For connecting via RS-485.
For serial communication using Freeport.
Frequently Asked Questions
What is Siemens 6AG2241-1CH30-1XB0?
It is a SIPLUS S7-1200 CB 1241 RS 485 rail module.
Which base model is 6AG2241-1CH30-1XB0 based on?
It is based on 6ES7241-1CH30-1XB0.
What communication interfaces and protocol drivers does 6AG2241-1CH30-1XB0 support?
It supports RS-485, Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS.
What are the operating temperature limits for 6AG2241-1CH30-1XB0?
The operating range is -25…+55 °C, with horizontal installation up to 60 °C and +70 °C for 10 minutes in OT1, ST1/ST2.
What is the maximum cable length for 6AG2241-1CH30-1XB0?
The maximum cable length is 1 000 m.
