For years, engineers testing PLC (Programmable Logic Controller) communications would stumble upon a small, unassuming program called . It was a "labor of love" created to simulate multiple Modbus RTU and TCP/IP stations at once.
is an open-source Modbus simulator that is officially distributed as free software under the GNU Affero General Public License (AGPL) . Because it is open-source and free, there is no official requirement to purchase or enter a "new" registration key for its full features. Key Information Regarding Registration modrssim registration key new
If you are looking for a "new" experience or the old version is locking you out, the best solution is to use . modrssim registration key new