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Communication Eeprom Write Selection (pr. 342) - Mitsubishi Electric FR-E720-0.1K(SC) Instruction Manual

Fr-e700 series.
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Communication operation and setting

4.20.4 Communication EEPROM write selection (Pr. 342)

When parameter write is performed from the inverter PU connector, USB communication, and communication option,
parameters storage device can be changed from EEPROM + RAM to RAM only. Set when a frequent parameter
change is necessary.
Parameter
Number
Communication EEPROM
342
write selection
The above parameters can be set when Pr. 160 User group read selection = "0". However, it can be set any time when the communication option is connected.
(Refer to page 188)
When changing the parameter values frequently, set "1" in Pr. 342 to write them to the RAM only.
The life of the EEPROM will be shorter if parameter write is performed frequently with the setting unchanged from "0 (initial
value)" (EEPROM write).
REMARKS
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 EEPROM previously.
218
Name
Initial Value
Setting Range
0
0
1
Description
Parameter values written by communication are
written to the EEPROM and RAM.
Parameter values written by communication are
written to RAM.

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