TQ EM420 (Unieq Box Family)

tq em420 network setting for modbus tcp connect the device to your lan via ethernet cable determine the ip address of the device by default, if dhcp is enabled on the em420 device, it will automatically receive an ip address from your network router to find this ip address check your router's dhcp client list for the em420 device (using its mac address, often printed on a label) alternatively, if upnp is enabled, the device should automatically appear in the network environment on windows pcs, allowing you to find its ip address if you have previously set a static ip address , you will need to use that ip to access the web interface access the web interface open a web browser (chrome, firefox, safari, edge) microsoft internet explorer does not work in the address bar, type the device's ip address (e g , http //192 168 x x) login credentials you will be prompted for a password the default password is printed on a sticker on the device if the default credentials were changed and you don't remember them, you can reset the device's web interface password press the reset button and hold it for 3 5 seconds (a long press) and then a short press (about half a second) the device will shortly blink orange twice to confirm the password has been reset to the factory default you can now use the credentials on the type label to log in again dashboard once you log in you will see the device's dashboard, where you can perform all the settings network settings click on " device settings " >" network settings " here, you can set a static ip address and its mask or enable dhcp so that the device gets assigned an ip address from the dhcp server