Technical Summary
| Product type designation | CM 1241 RS 422 / 485 |
|---|---|
| based on | 6ES7241-1CH32-0XB0 |
| Rated value (DC) | 24 V |
| permissible range, lower limit (DC) | 20.4 V |
| permissible range, upper limit (DC) | 28.8 V |
| Current consumption, max. | 220 mA; From backplane bus 5 V DC |
| Power loss, typ. | 1.1 W |
| Interfaces/bus type | RS 422 / 485 (X.27) |
| Number of interfaces | 1 |
| Freeport – Bits per character | 7 or 8 |
| Freeport – Number of stop bits | 1 (Standard), 2 |
| IP degree of protection | IP20 |
Applications
Communication over the RS 422 / 485 (X.27) interface.
Modbus RTU master and Modbus RTU device communication.
Freeport communication with telegram lengths up to 1 kbyte.
Key Features
CM 1241 RS 422 / 485 communications module based on 6ES7241-1CH32-0XB0.
SIPLUS S7-1200 CM 1241 RS422/485 T1 rail with conformal coating.
RS 422 / 485 (X.27) with 1 interface and 9-pole D-sub (pin).
Supports Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS.
-25…+60 °C in operation, with +70 °C for 10 minutes in OT1, ST1/2.
IP20 and protective coating data includes class 2 for high reliability and class PC2 protective coating acc. to EN 50155:2017.
Frequently Asked Questions
What is Siemens 6AG2241-1CH32-1XB0?
It is a SIPLUS S7-1200 CM 1241 RS422/485 communications module based on 6ES7241-1CH32-0XB0.
Which interface does 6AG2241-1CH32-1XB0 use?
It uses an RS 422 / 485 (X.27) interface with 1 interface and a 9-pole D-sub (pin) connector.
What protocol functions are supported by this module?
It supports Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS.
What is the operating temperature range?
The operating temperature range is -25…+60 °C, with +70 °C for 10 minutes in OT1, ST1/2.
What are the power supply and input current values?
Rated value (DC) is 24 V, the permissible range is 20.4 V to 28.8 V, and current consumption, max. is 220 mA.
