The DeviceNet master module CS1W-DRM21/CJ1W-DRM21 from OMRON CS1/CJ1 series supports both master and slave functions. When used as a slave device, it must be configured accordingly to activate the slave mode. To set up the module in a DeviceNet network, use the CX-Integrator software to create a new network configuration, add the DRM21 module, and then right-click on its properties to adjust settings. This ensures proper communication with other devices on the network. A visual guide is provided below for reference: Proper setup and configuration are essential to ensure smooth operation and reliable data exchange between the OMRON module and other components in your system. Always refer to the official documentation for detailed instructions and troubleshooting tips. If you encounter any issues during the configuration process, consult technical support or online forums for assistance. Dongguan Pinji Electronic Technology Limited , https://www.iquaxusb4cable.com