Product Description
Key Features
- Product identity: SIPLUS S7-1200 CM 1241 communications module, product type designation CM 1241 RS 422 / 485, based on 6ES7241-1CH32-0XB0.
- RS-422/485 interface: 1 RS 422 / 485 (X.27) interface with a 9-pole D-sub (pin) connection.
- Protocol support: Supports Freeport, ASCII, Modbus RTU master, Modbus RTU device and USS. ASCII and USS are available as library functions.
- Supply and consumption: Rated supply voltage: 24 V DC; permissible range: 20.4 V to 28.8 V DC. Maximum current consumption: 220 mA from the backplane bus 5 V DC.
- Conformal coating: Conformal coating according to EN 61086, Class 2 for high reliability; EN 60664-3 Type 1 protection; IPC-CC-830A Class A.
- Dimensions and protection: Width: 30 mm; height: 100 mm; depth: 75 mm. IP degree of protection: IP20.
Applications
- Stationary industrial systems: The module supports use in stationary industrial systems with biological, chemical and mechanically active substances according to the stated EN 60721-3-3 classifications.
- Ships and maritime applications: The module supports use on ships or at sea with the stated biological, chemical and mechanically active substance classifications according to EN 60721-3-6.
- Industrial process technology: The module supports use in industrial process technology against chemically active substances according to EN 60654-4 and the stated ANSI/ISA-71.04 environmental conditions.
Technical Summary
| Product type | CM 1241 RS 422 / 485 |
|---|---|
| Based on | 6ES7241-1CH32-0XB0 |
| Supply voltage, rated | 24 V DC |
| Supply voltage, permissible range | 20.4 V to 28.8 V DC |
| Interface | 1 x RS 422 / 485 (X.27) |
| Connection | 9-pole D-sub (pin) |
| Protocol drivers | Freeport; ASCII; Modbus RTU master; Modbus RTU device; USS |
| Protection | IP20 |
| Operating temperature | -20 °C to 60 °C |
| Lifecycle | Active Product |
Frequently Asked Questions
What exact product identity should be confirmed for this communications module?
Confirm order number 6AG1241-1CH32-4XB0, product type CM 1241 RS 422 / 485, and base product 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 (pin) connection.
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 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.
What configuration details should be included in a legacy-part inquiry?
Include the exact order number, installed-part details, quantity, destination, requested date and condition preference for verification.
