CONTROL INTERFACES
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8
Wake Power is auxiliary power (24VDC) backup to the control boards of every inverter unit.
Wake power is set on when there is communication to any unit and the DC bus and voltage above
220VDC. The Wake Power is removed in the evening when DC voltage reaches Wake Power Off Level
for a time longer than Wake Power Off Delay.
8.6.3
Settings 3
Screen shows definitions of the I/O connections.
Figure 76.Setting for DC insulation monitor
Figure 77.System IO functions
Table 21. Selection of possible input values
Input name
Definition
Not Used
Not Used
AC Main Switch Closed
AC Main Switch feedback input (NO)*
DC Main Switch Closed
DC Main Switch feedback input (NO)*
No Insulation Fault DC
External DC Insulation measuring device Fault input (NC)**
No Insulation Fault AC
External AC Insulation measuring device Fault input (NC)**
No External Fault 1
External Fault Input (NO)*
No External Fault 2
External Fault Input (NO)*
