Mitsubishi Electric FR-A820-00046 Instruction Manual page 882

(N) Operation via communication and its settings
Example Setting example 2:
In this case, the IP address range in which Ethernet communication is permitted is "192.168.2.xxx
(50 to 100)".
Fig. 5-332:
● When Pr. 1442 to Pr. 1445 = "0 (initial value)", the function is invalid.
● When Pr. 1446 to Pr. 1448 = "9999 (initial value)", the range is invalid.
CAUTION:
E
The Ethernet IP filtering function (Pr. 1442 to Pr. 1448) is provided as a means to prevent
unauthorized access (with intentions such as to corrupt programs or data) by external systems,
but the function does not prevent it completely. In order to protect the inverter and the system
against unauthorized access by external systems, take additional security measures. Mitsubishi
Electric Corporation will not take any responsibility for any problems in the inverter and the
system incurred by unauthorized access.
The following are examples of measures to prevent unauthorized access.
● Install a firewall.
● Install a personal computer as a relay station, and control the relaying of transmission data
using an application program.
● Install an external device as a relay station to control access rights.
(For the details of external devices used to control access rights, contact the distributors of
the external devices.)
5 - 680
Ethernet IP address for filtering
Filtering range setting for the
Ethernet IP address
Ethernet IP filtering function setting example 2
Pr. 1442 Pr. 1443 Pr. 1444
192 168
The range is between the values
set in both parameters.
Pr. 1446 Pr. 1447
9999
Pr. 1445
2 100
Pr. 1448
9999 50
Parameters
I003111A