SIEMENS RS485 communication board 6ES7241-1CH30-1XB0
6ES7241-1CH30-1XB0
Siemens
SIEMENS RS485 communication board 6ES7241-1CH30-1XB0
Home > Products > Siemens > Communication Board SIEMENS 6ES7241-1CH30-1XB0 RS485 communication board. For S7-1200 PLC expansion. Supplied with full tr…
Specifications
| Brand | Siemens |
|---|---|
| Model Number | 6ES7241-1CH30-1XB0 |
| Official Product Name | CB 1241 RS485 Communication Board |
| Applicable System | S7-1200 PLC expansion |
| Product Type | RS485 communication board |
| Equivalent Standard | N/A |
| Product Status | Active production |
| Order number | 6ES7241-1CH30-1XB0 |
| Interface | RS485 |
| For PLC | SIMATIC S7-1200 |
| Country of origin | Germany |
| Product family | SIMATIC S7-1200 CB 1241 |
Product Description
It enables point-to-point serial communication with drives, instruments and other serial devices. The Siemens CB 1241 RS485 (order number 6ES7241-1CH30-1XB0) is a communication board that plugs into a SIMATIC S7-1200 CPU to add an RS485 interface.
Basic Product Information
- Plugs directly into the CPU communication slot
- Supports point-to-point serial communication
- Configured in TIA Portal with protocols like Modbus RTU
- Adds RS485 serial interface to S7-1200 CPUs
Technical Specifications
Version & Model Difference
- The 6ES7241-1CH30-1XB0 is the RS485 variant; an RS232 version also exists. Confirm interface type for your application.
Application Scenarios
- S7-1200 serial communication
- Modbus RTU links to drives/instruments
- Retrofit of legacy serial devices
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Frequently Asked Questions
What is the CB 1241 RS485?
It is a Siemens communication board that adds an RS485 port to an S7-1200 CPU for serial point-to-point communication.
Which PLC does it fit?
It plugs into the communication slot of SIMATIC S7-1200 CPUs.
What protocols does it support?
Commonly used with Modbus RTU and freeport protocols, configured in TIA Portal.
Is there an RS232 version?
Yes, Siemens offers both RS485 and RS232 CB 1241 boards; confirm which you need.
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