The IP address scrolling across the 1756-ENBT module display is 10.36.21.28. When I went to the setup screen on the panelview 600 display the IP address for the panelview is 10.36.21.27 and the gateway is 10.36.16.1 with the subnet mask being 255.255.240.0. I cannot change any IP addresses on my computer so how can I check that the 1756-ENBT card and panelview 600 are communicating to the network? This PLC loses its program about every 3 to 4 months