Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CB 1241 RS 485 |
| Communication interface | RS-485 |
| Supported protocols | Freeport; ASCII; Modbus RTU master; Modbus RTU device; USS |
| Input current from backplane bus 5 V DC, typ. | 50 mA |
| Power loss, typ. | 1.5 W |
| IP degree of protection | IP20 |
Applications
- Freeport communication: Supports Freeport communication over RS-485.
- Modbus RTU communication: Supports Modbus RTU master and Modbus RTU device communication.
Key Features
- RS-485 communication board: Product type designation: CB 1241 RS 485, based on 6ES7241-1CH30-1XB0.
- Protocol support: Supports Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS; ASCII and USS are available as library functions.
- Freeport parameters: Maximum telegram length: 1 kbyte; 7 or 8 bits per character; 1 standard or 2 stop bits.
- Connection and diagnostics: Point-to-point cable length is maximum 1 000 m. Diagnostics function: Yes.
- Electrical and environmental data: Input current from backplane bus 5 V DC, typ.: 50 mA. Power loss, typ.: 1.5 W. IP degree of protection: IP20; conformal coating: Class 2 for high reliability.
Frequently Asked Questions
1. What communication interface does 6AG1241-1CH30-5XB1 use?
It uses an RS-485 interface and has a terminal block.
2. Which protocols does this RS-485 communication board support?
It supports Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS. ASCII and USS are available as library functions.
3. What cable length and diagnostics are supported?
The maximum point-to-point cable length is 1 000 m, and the diagnostics function is available.
