Product information
Overview
Key Features
- RS485 communication interface: Has 1 RS485 interface with a maximum transmission rate of 250 kbit/s.
- Protocol support: Supports Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS; ASCII and USS are available as library functions.
- Freeport parameters: Supports telegram lengths up to 4 kbyte, 7 or 8 bits per character, and 1 (Standard) or 2 stop bits.
- Modbus RTU addressing: Provides address areas from 1 through 65535 for Modbus RTU master and device operation.
- Diagnostics and protection: Has a diagnostics function and DIAG LED, with IP20 degree of protection.
- Connection and supply data: Has a push-in terminal block; input current from the backplane bus is 5 V DC, typ. 75 mA, and power loss is 0.4 W, typ.
Technical Summary
| Product type | CB 1241 RS 485 |
|---|---|
| Interface | RS 485 |
| Number of interfaces | 1 |
| Transmission rate, max. | 250 kbit/s |
| Protocol drivers | Freeport; ASCII; Modbus RTU master; Modbus RTU device; USS |
| Modbus RTU address area | 1 through 65535 (Standard Modbus addressing) |
| Connection | Push-in terminal block |
| Diagnostics | Diagnostics function and DIAG LED |
| Protection | IP20 |
Frequently Asked Questions
What is the exact product type of 6ES7241-1CA50-0XB0?
It is a SIMATIC S7-1200 G2 CB 1241 Communication Board with product type designation CB 1241 RS 485.
Which protocols does the CB 1241 RS 485 support?
It supports Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS. ASCII and USS are available as library functions.
What interface and connection does this communication board have?
It has 1 RS485 interface and a push-in terminal block.
What are the maximum RS485 transmission rate and cable length?
The maximum transmission rate is 250 kbit/s, and the maximum cable length for point-to-point connection is 1 000 m.
Can you quote this item for my required quantity and destination?
Yes. Send the required quantity and destination for a model-specific quotation.
