Product Description
Key Features
- Communication module identity: SIMATIC S7-1200 CM 1241; product type designation: CM 1241 RS 422 / 485.
- Supply voltage: Rated supply voltage: 24 V DC; permissible range: 20.4 V to 28.8 V DC.
- RS 422 / 485 interface: 1 RS 422 / 485 (X.27) interface with a 9-pole D-sub socket.
- Supported protocol drivers: Supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS. ASCII and USS are available as library functions.
- Point-to-point connection: Maximum cable length: 1 000 m.
- Protection and lifecycle: IP20 degree of protection; lifecycle: Active Product.
Technical Summary
| Product type designation | CM 1241 RS 422 / 485 |
|---|---|
| Supply voltage, rated value (DC) | 24 V |
| Supply voltage, permissible range (DC) | 20.4 V to 28.8 V |
| Interfaces/bus type | RS 422 / 485 (X.27) |
| Number of interfaces | 1 |
| Supported protocol drivers | Freeport; ASCII; Modbus RTU master; Modbus RTU device; USS |
| Maximum current consumption | 220 mA; From backplane bus 5 V DC |
| IP degree of protection | IP20 |
| Product lifecycle | Active Product |
Frequently Asked Questions
What order number should be confirmed for this CM 1241 module?
Confirm the complete order number 6ES7241-1CH32-0XB0.
Which interface and connector does the module have?
It has 1 RS 422 / 485 (X.27) interface with a 9-pole D-sub socket.
Which supply voltage does the module require?
The rated supply voltage is 24 V DC, with a permissible range of 20.4 V to 28.8 V DC.
Which communication protocols are supported?
It supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS. ASCII and USS are available as library functions.
What lifecycle status is supplied for this product?
The lifecycle status is Active Product.
