Technical Summary
| Product type designation | CB 1241 RS 485 |
|---|---|
| Interface | RS485 |
| Connection type | terminal block |
| Supported protocol | Freeport |
| ASCII | Yes; Available as library function |
| Modbus RTU master | Yes |
| Modbus RTU device | Yes |
| Input current from backplane bus 5 V DC, typ. | 50 mA |
| Power loss, typ. | 1.5 W |
| IP degree of protection | IP20 |
| Product lifecycle | Active Product |
Applications
Provides RS485 communication board functionality for a SIMATIC S7-1200 system.
Supports Freeport communication handling.
Supports Modbus RTU master and Modbus RTU device use over RS485.
Key Features
Communication Board CB 1241 for SIMATIC S7-1200.
RS485 communication board with terminal block.
Supports Freeport.
Active Product.
Packaging dimensions: 8,00 x 5,00 x 2,70 cm.
Net weight: 0,031 Kg.
Frequently Asked Questions
What is Siemens 6ES7241-1CH30-1XB0?
It is a SIMATIC S7-1200 Communication Board CB 1241 with RS485 and a terminal block.
Which communication functions does 6ES7241-1CH30-1XB0 support?
It supports Freeport, ASCII, Modbus RTU master, and Modbus RTU device.
What is the maximum cable length for this RS485 communication board?
Cable length, max.: 1 000 m.
What are the power requirements listed for this module?
Input current from backplane bus 5 V DC, typ.: 50 mA. Power loss, typ.: 1.5 W.
What protection rating is listed for 6ES7241-1CH30-1XB0?
IP degree of protection: IP20.
