Communication E²Prom Write Selection (Pr. 342) - Mitsubishi Electric FR-E700 Series Instruction Manual

Communication operation and setting
6.19.3 Communication E²PROM write selection (Pr. 342)
When parameter write is performed from the inverter PU connector, USB communication, and com-
munication option, parameters storage device can be changed from E²PROM + RAM to RAM only. Set
when a frequent parameter change is necessary.
When changing the parameter values frequently, set "1" in Pr. 342 to write them to the RAM only. The
life of the E²PROM will be shorter if parameter write is performed frequently with the setting un-
changed from "0 (initial value)" (E²PROM write).
Pr.
Name
No.
Communication E²PROM write
342
selection
The above parameter can be set when Pr. 160 "User group read selection" = 0. However, the parameter
can be set whenever the communication option is connected. (Refer to section 6.17.4).
NOTE When "1" (write to RAM only) is set in Pr. 342, powering off the inverter will erase the changed
parameter values. Therefore, the parameter values available when power is switched on again are
the values stored in E²PROM previously.
6 - 238
Setting
Initial Value Description
Range
Parameter values written by communication are
0
written to the E²PROM and RAM.
0
Parameter values written by communication are
1
written to the RAM.
Parameters referred to
—
Parameter
Refer to
Section