"Inverter control via Modbus"
If this option is activated, the inverter can be controlled via Modbus. The "Restrict the
control" selection box is displayed. The following functions are part of inverter control:
- On/Off
- Power reduction
- Specification of a constant cos phi power factor
- Specification of a constant reactive power value
"Control priorities"
The control priorities define which service takes priority during inverter control.
1 = highest priority, 3 = lowest priority
The control priorities can only be changed under the "DNO EDITOR" menu item.
Restricting con-
trol
The "Restrict the control" option is only available with TCP transmission protocols.
It prevents unauthorised persons from issuing inverter control commands by only allow-
ing certain devices to perform control functions.
IP address
field. If inverter control is to be limited to one or more devices, use this field to enter the
IP addresses of the one(s) that is/are allowed to send commands to the Fronius
Datamanager. Use commas to separate multiple entries.
Examples:
- One IP address: 98.7.65.4 - Inverter may only be controlled by IP address 98.7.65.4
- Multiple IP addresses: 98.7.65.4,222.44.33.1 - Inverter may only be controlled by IP
addresses 98.7.65.4 and 222.44.33.1
- IP address space could (for example) be specified as a range from 98.7.65.1 to
98.7.65.254 (CIDR notation) as follows: 98.7.65.0/24 - Inverter may only be con-
trolled by IP addresses 98.7.65.1 to 98.7.65.254
101
EN
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