Technical Summary
| Product type designation | CB 1241 RS 485 |
|---|---|
| Interfaces/bus type | RS 485 |
| Number of interfaces | 1 |
| Transmission rate, max. | 250 kbit/s |
| 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 |
| Input current from backplane bus 5 V DC, typ. | 75 mA |
| Power loss, typ. | 0.4 W |
| IP degree of protection | IP20 |
Key Features
CB 1241 RS 485
Product type designation: CB 1241 RS 485.
Product type designation: CB 1241 RS 485.
RS 485 interface
Interfaces/bus type: RS 485.
Interfaces/bus type: RS 485.
Push-in terminal block
Supplied with a push-in terminal block.
Supplied with a push-in terminal block.
Modbus RTU master and device
Integrated protocol driver support includes Modbus RTU master and Modbus RTU device.
Integrated protocol driver support includes Modbus RTU master and Modbus RTU device.
Diagnostics indication
Diagnostics function and DIAG LED are available.
Diagnostics function and DIAG LED are available.
Applications
RS 485 communication integration
Connection of a SIMATIC S7-1200 G2 system to an RS 485 network or device link.
Connection of a SIMATIC S7-1200 G2 system to an RS 485 network or device link.
Modbus RTU communication
Communication over Modbus RTU as a master or device.
Communication over Modbus RTU as a master or device.
Freeport serial data exchange
Freeport communication with telegrams up to 4 kbyte.
Freeport communication with telegrams up to 4 kbyte.
ASCII-based serial communication
ASCII communication available as a library function.
ASCII communication available as a library function.
Frequently Asked Questions
What is Siemens 6ES7241-1CA50-0XB0?
It is a SIMATIC S7-1200 G2 CB 1241 Communication Board with RS485 interface.
How many interfaces does 6ES7241-1CA50-0XB0 have?
It has 1 interface.
What communication protocols are supported by this CB 1241 RS 485 board?
Supported protocol drivers include Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS.
What is the maximum transmission rate of the RS 485 interface?
The maximum transmission rate is 250 kbit/s.
What installation connection is provided with this communication board?
It is supplied with a push-in terminal block.
