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Model reference

6ES7241-1CH30-1XB0 S7-1200 Automation

Technical SummaryProduct type designationCB 1241 RS 485InterfaceRS485Connection typeterminal blockFreeportYesASCIIYes; Available as library functionModbus RTU masterYesModbus RTU deviceYesInput current from backplane bus 5 V DC, typ.50 mAPower loss, typ.1.5 WBits per character7 or 8Number of stop bits1 (Standard), 2Diagnostics functionYesIP degree of protectionIP20 Key FeaturesSIMATIC S7-1200 Communication BoardCommunication Board CB 1241 for the SIMATIC S7-1200.RS485 interfaceRS485…

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Product Parameters

Product Code
6ES7241-1CH30-1XB0
Dimensions
8 × 5 × 2.7 cm
Weight
0.031 kg
Lifecycle
Active Product
Availability
in stock
Lead Time
Confirmed with quotation
Product Attachment
Download Datasheet

Product Details

Technical Summary

Product type designation CB 1241 RS 485
Interface RS485
Connection type terminal block
Freeport Yes
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
Bits per character 7 or 8
Number of stop bits 1 (Standard), 2
Diagnostics function Yes
IP degree of protection IP20

Key Features

SIMATIC S7-1200 Communication Board
Communication Board CB 1241 for the SIMATIC S7-1200.
RS485 interface
RS485 communication board with terminal block.
Freeport support
Supports Freeport.
Modbus RTU protocol drivers
Modbus RTU master and Modbus RTU device are supported.
Diagnostics function
Diagnostics function: Yes.
IP20 protection
IP degree of protection: IP20.

Applications

RS485 serial communication
Provides RS485-based communication in a SIMATIC S7-1200 system.
Modbus RTU integration
Supports Modbus RTU master and Modbus RTU device communication.
Freeport serial data exchange
Supports Freeport communication for serial data handling.

Frequently Asked Questions

What is the exact product type of 6ES7241-1CH30-1XB0?

Product type designation: CB 1241 RS 485.

Which communication interface does this SIMATIC S7-1200 board use?

It uses RS485.

Does 6ES7241-1CH30-1XB0 support Modbus RTU?

Yes. Modbus RTU master and Modbus RTU device are supported.

What is the maximum cable length for this communication board?

Cable length, max.: 1 000 m.

What are the power and protection details for this board?

Input current from backplane bus 5 V DC, typ.: 50 mA. Power loss, typ.: 1.5 W. IP degree of protection: IP20.

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