Ametek Sorensen XG 600-1.4 - Page 256

Communications Options
6-50 M370430-01 Rev F
To verify the IP address of the power supply, send the command
query SYST:COMM:LAN:ADDR?
If your response to that query is “0.0.0.0”, that means the unit is in
DHCP mode and it received that address from a DHCP server that
provided it.