Product information
Overview
Applications
- Freeport serial communication: Supports serial communication using the Freeport protocol.
- ASCII communication: Supports ASCII communication through an available library function.
- Modbus RTU communication: Supports Modbus RTU master and Modbus RTU device communication.
Key Features
- RS232 serial interface: Has 1 RS 232C (V.24) interface with a 9-pole D-sub connection and supports Freeport.
- Protocol support: Supports ASCII as a library function, Modbus RTU master, and Modbus RTU device.
- Supply voltage: Rated supply voltage is 24 V DC; the permissible range is 20.4 V to 28.8 V DC.
- Freeport parameters: Supports telegrams up to 1 kbyte, 7 or 8 bits per character, and 1 (Standard) or 2 stop bits.
- Point-to-point connection: Maximum cable length is 10 m.
- Protection and diagnostics: Has IP20 protection, diagnostics function, and a diagnostics indication LED for output status.
Technical Summary
| Product type | CM 1241 RS 232 |
|---|---|
| Interface | 1 × RS 232C (V.24) |
| Connection | 9-pole D-sub (pin) |
| Rated supply voltage | 24 V DC |
| Permissible supply range | 20.4 V to 28.8 V DC |
| Maximum current consumption | 200 mA; From backplane bus 5 V DC |
| Protocol support | Freeport; ASCII; Modbus RTU master; Modbus RTU device |
| Protection | IP20 |
Frequently Asked Questions
What is the exact product type of Siemens 6ES7241-1AH32-0XB0?
It is a CM 1241 RS 232 communication module for SIMATIC S7-1200.
Which interfaces and protocols does the module support?
It has 1 RS 232C (V.24) interface and supports Freeport, ASCII, Modbus RTU master, and Modbus RTU device.
What supply voltage does the CM 1241 RS 232 use?
Its rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
What cable length is supported for point-to-point connection?
The maximum cable length is 10 m.
Can you quote this exact item for my required quantity and destination?
Send the required quantity and destination for a model-specific quotation.
