Communication E²Prom Write Selection (Pr. 342) - Mitsubishi Electric FR-D720S SC EC Instruction Manual

Communication operation and settings
6.18.4 Communication E²PROM write selection (Pr. 342)
When parameter write is performed from the inverter PU connector parameters storage device
can be changed from E²PROM + RAM to RAM only. When changing the parameter values fre-
quently, 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 unchanged from "0 (initial value)"
(E²PROM write).
Pr.
Name
No.
Communication
342
E²PROM write selection
The above parameter can be set when Pr. 160 = 0.
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 - 204
Initial Setting
Description
Value Range
Parameter values written by communica-
0
tion are written to the E²PROM and RAM.
0
Parameter values written by communica-
1
tion are written to the RAM.
Parameter
Parameters referred to
—
Refer to
Section