LS SV-iS7 Series - Ethernet IP Lost Command Status

iS7 Ethernet Option Manual
40
(3) Ethernet IP Lost Command Status
If there is no Implicit Message Connection (Class1 Connection) between
the Originator (PLC or Client) and Target (Inverter), the Option becomes
Lost Command status, and after the time set up in the PRT-13, the
Inverter operates according to the settings in the PRT-12.