6ES7241-1CH30-1XB0 New Original Siemens S7-1200 Plc Programming Controller module

2. Key Selling Points

1. Adds Standard RS232 Interface – Expands Communication Capability:Provides an additional RS232 serial port for S7-200 SMART CPU, enabling direct connection to devices with RS232 interfaces.

2. Supports MODBUS RTU Master/Slave – High Device Compatibility:Configurable as MODBUS RTU Master (active polling) or Slave (passive response), seamlessly integrating with drives, meters, and other industrial devices.

3. Freeport Mode for Custom Protocol Communication:Supports Freeport mode, allowing user-defined protocols (ASCII, binary) for integration with printers, barcode scanners, weigh scales, or PC-based software.

4. Plug-and-Play Installation – Easy Setup:Mounts directly to the right of the CPU, powered via backplane bus, no external power required. DIN-rail mounted with screw terminals for reliable installation.

5. DIP Switch for Quick Parameter Configuration:Built-in DIP switches allow fast setup of station address, baud rate, data bits, stop bits, parity, etc., without programming.