Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | CB 1241 RS 485 |
| Based on | 6ES7241-1CH30-1XB0 |
| Communication interface | RS-485 |
| Protocol drivers | Freeport; ASCII; Modbus RTU master; Modbus RTU device; USS |
| Backplane input current | 5 V DC, typ. 50 mA |
| Power loss | Typ. 1.5 W |
| Diagnostics function | Yes |
| IP degree of protection | IP20 |
| Conformal coating | Class 2 for high reliability |
Applications
- Serial communication: Supports serial communication using Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS protocol drivers.
Key Features
- RS-485 communication: SIPLUS S7-1200 CB 1241 RS 485 module with a terminal block connection.
- Protocol drivers: Supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS.
- Backplane supply: Input current from the backplane bus: 5 V DC, typ. 50 mA; power loss, typ. 1.5 W.
- Communication parameters: Freeport telegram length is max. 1 kbyte; 7 or 8 bits per character and 1 or 2 stop bits.
- Diagnostics and protection: Has a diagnostics function and IP20 degree of protection.
- Conformal coating and dimensions: Conformal coating, Class 2 for high reliability; dimensions are 38 mm × 62 mm × 21 mm and weight is approx. 40 g.
Frequently Asked Questions
1. What communication interface does the 6AG2241-1CH30-1XB0 have?
It has an RS-485 communication interface with a terminal block connection.
2. Which protocol drivers does this module support?
It supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS. ASCII and USS are available as library functions.
3. What are the backplane current and power-loss values?
Input current from the backplane bus is 5 V DC, typ. 50 mA. Power loss is typ. 1.5 W.
4. What cable length is supported?
The maximum cable length is 1 000 m.
5. What should be verified before ordering this configuration?
Verify the CB 1241 RS 485 type, RS-485 terminal block connection, required protocol driver, and the installation position and temperature limits.
