Mitsubishi Electric FR-A700 EC, Instruction Manual

Page: 627 / 826

Parameter Communication operation and setting
FR-A700 EC 6 - 447
6.23.4 Communication EEPROM write selection (Pr. 342)
Parameters written via the inverter's PU connector, RS-485 terminals, or from the communica-
tion option can be written to the RAM. Set this parameter when frequent parameter changes are
required.
When changing the parameter values frequently, set "1" in Pr. 342 to write them to the RAM. The
life of the EEPROM will be shorter if parameter write is performed frequently with the setting
unchanged from "0" (initial value) (EEPROM write).
The above parameter can be set any time when the communication option is connected. (Refer
to section 6.21.4.)
Pr.
No.
Name
Initial
Value
Setting
Range
Description Parameters referred to
Refer to
Section
342
Communication
EEPROM write
selection
0
0
Parameter values written by communica-
tion are written to the EEPROM and RAM.
—
1
Parameter values written by communica-
tion are written to the RAM.
NOTE When Pr. 342 is set to "1" (only RAM write), the new values of the parameters will be cleared
at power supply-off of the inverter. Therefore, the parameter values available when power is
switched on again are the values stored in EEPROM previously.