Buffering Mechanisms; Operating Mode Switch - YASKAWA VIPA System MICRO Manual

Hardware description
Structure > Operating mode switch

3.2.6 Buffering mechanisms

3.2.7 Operating mode switch

General
48
The CPU has a capacitor-based mechanism to buffer the internal clock in case of power
failure for max. 30 days. With PowerOFF the content of the RAM is automatically stored
in the Flash (NVRAM).
CAUTION!
Please connect the CPU for approximately 1 hour to the power supply, so
that the internal buffering mechanism is loaded accordingly.
In case of failure of the buffer mechanism Date and Time 01.09.2009
00:00:00 set. Additionally, you receive a diagnostics message.
4.19 'Diagnostic entries' page 105
n With the operating mode switch you may switch the CPU between STOP and RUN.
n During the transition from STOP to RUN the operating mode START-UP is driven by
the CPU.
n Placing the switch to MR (Memory Reset), you request an overall reset with following
load from memory card, if a project there exists.
VIPA System MICRO
HB400 | CPU | M13-CCF0000 | en | 18-50
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