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 |
| Ambient temperature during operation min. | -20 °C; = Tmin (incl. condensation/frost); start-up @ 0 °C |
| Ambient temperature during operation max. | 60 °C; = Tmax |
| Product lifecycle | Active Product |
Applications
Use for RS 422 / 485 communication over the X.27 interface.
Use for Modbus RTU master or Modbus RTU device communication.
Use for Freeport communication with telegram length up to 1 kbyte.
Key Features
CM 1241 RS 422 / 485 communication module, based on 6ES7241-1CH32-0XB0.
Conformal coating with a temperature range of -25…+60 °C.
RS 422 / 485 (X.27) with 1 interface and 9-pole D-sub (pin) connection.
Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS support are provided.
Width 30 mm, height 100 mm, depth 75 mm, weight approx. 155 g.
Active Product.
Frequently Asked Questions
What is Siemens 6AG1241-1CH32-4XB0?
It is a SIPLUS S7-1200 CM 1241 communication module, type CM 1241 RS 422 / 485.
What interface does 6AG1241-1CH32-4XB0 use?
It uses RS 422 / 485 (X.27) and has 1 interface.
What power supply does the module require?
Rated value is 24 V DC, with a permissible range of 20.4 V DC to 28.8 V DC.
Which communication protocols are supported?
Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS are supported.
What are the module dimensions and weight?
Width 30 mm, height 100 mm, depth 75 mm, and weight approx. 155 g.
