No, our HMIs can communicate with all devices that have an RS485 / 232/422 / Ethernet port and support Modbus-RTU Master / Slave, Modbus-TCP Client / Server, SIEMENS S7 Ethernet, MTTQ, or OPC UA Client / Server protocols. _______________________________________________ Other information on this topic Visit the website page dedicated to HMI. Check out our video tutorials [...]

There is no predefined maximum number, theoretically it is unlimited. From a practical point of view, the limit is conditioned by the number of devices allowed by the network in which they are located (eg RS485 network) and by the possible traffic congestion on the network itself. _______________________________________________ Other information on this topic Visit the [...]

Yes, by default there are already three levels of access that you can view by following the path: ProjectView> Security> doppio click su UserGroups These three user groups cannot be deleted or renamed, however you can change the authorizations and other settings. _______________________________________________ Other information on this topic Visit the website page dedicated to HMI. [...]