If you are that acts as a Modbus slave (e.g., sensor, meter, gateway), you may need an OEM license key from a stack provider (like Embedded Solutions, MBSOFT, or EmServer).
For decades, the Modbus RTU and TCP protocols have been the backbone of industrial communication. While the protocol itself is open and royalty-free, the used to simulate, test, or bridge Modbus slave devices (often called Modbus Slave Simulators or Gateways) have traditionally relied on simple license keys. modbus slave license key new
: After 30 days, the software will no longer allow any connections until a valid registration key is entered. If you are that acts as a Modbus slave (e