Technical Summary
| Product type designation | CB 1241 RS 485 |
|---|---|
| Based on | 6ES7241-1CH30-1XB0 |
| Interface | RS-485 |
| Connection type | terminal block |
| 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 |
| Input current from backplane bus 5 V DC, typ. | 50 mA |
| Power loss, typ. | 1.5 W |
Key Features
SIPLUS S7-1200 communication board
CB 1241 RS 485 for the Siemens SIPLUS S7-1200 range.
CB 1241 RS 485 for the Siemens SIPLUS S7-1200 range.
Based on 6ES7241-1CH30-1XB0
Variant built on 6ES7241-1CH30-1XB0.
Variant built on 6ES7241-1CH30-1XB0.
RS-485 with terminal block
RS-485 interface with terminal block connection.
RS-485 interface with terminal block connection.
Conformal coating
Coated for high reliability use.
Coated for high reliability use.
Supports Freeport
Supports Freeport communication.
Supports Freeport communication.
Applications
RS-485 point-to-point connection
For point-to-point communication over RS-485 with a cable length up to 1 000 m.
For point-to-point communication over RS-485 with a cable length up to 1 000 m.
Modbus RTU communication
For Modbus RTU master and Modbus RTU device communication.
For Modbus RTU master and Modbus RTU device communication.
Freeport telegram communication
For Freeport communication with telegram length up to 1 kbyte.
For Freeport communication with telegram length up to 1 kbyte.
Frequently Asked Questions
What is Siemens 6AG1241-1CH30-5XB1?
It is a SIPLUS S7-1200 CB 1241 RS-485 communication board.
Which interface does 6AG1241-1CH30-5XB1 use?
It uses an RS-485 interface with a terminal block connection.
What communication modes are supported by this model?
It supports Freeport, ASCII, Modbus RTU master, and Modbus RTU device.
What is the maximum cable length for this board?
The maximum cable length is 1 000 m.
What is the Freeport telegram length?
The maximum Freeport telegram length is 1 kbyte.
