CONTROL INTERFACES
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System parameters:
•
Inverter type:
Size of one inverter unit in the MultiMaster setup. Usually 200kW.
•
Number of inverters:
The amount of inverter units in the system. (E.g. a 600kW system con-
sisting of 200kW units should be set to 3.) NOTE! The appropriate amount of active commu-
nication controllers for the units has to be activated in the Units & Communications dialog.
•
Unit & Communications:
If the system consist of e.g. 3 inverter units (“Number of Inverter”),
then the controllers of Unit01, Unit02 and Unit03 has to be activated. If 5 units then control-
lers Unit01 through Unit05 and vice versa.
Control parameters
•
Power Max Limit:
If the output power of the master unit exceeds this limit for a time longer
than the “Power Max Delay” then a new slave unit is started.
•
Power Max Delay:
If the output power of the master unit exceeds “Power Max Limit” for a
time longer than defined with this parameter then a new slave unit is started.
•
Power Min Limit:
Same as for Max but in the opposite direction, units are removed.
•
Power Min Delay:
Same as for Max but in the opposite direction, units are removed.
•
Master Wait time-out:
Wait time for the selected master to get ready if there are other units
in ready state. If ready state for the master unit is not entered within this time, the next ready
unit is automatically assigned as a new master and system started.
IP Settings
Pressing the IP Settings button gives the possibility to set the Ethernet settings. NOTE! Port 1 is for
the internal use MultiMaster system only and should never be changed. Port 2 can be used for con-
nection an external supervisory or SCADA system for monitoring purpose. The IP address of port 2
is not allowed to be in the same range as port 1, hence 192.168.0.X .
Figure 67.Active controllers
are selected according num-
ber of inverters
Figure 68.IP Settings pop-up
menu
