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’ on page 89
3.2.6 Operating mode switch
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 (
M
emory
R
eset), you request an overall reset with following
load from memory card, if a project there exists.
3.2.7 LEDs
CPU part
PW
Meaning
green
●
As soon as the CPU is supplied with 5V, the green PW-LED (Power) is on.
○
The CPU is not power-supplied.
on: ● | off: ○
RN
ST
SF
FC
SD
Meaning
green
yellow
red
yellow
yellow
Boot-up after PowerON
●
X
BB
●
●
Flickers: Firmware is loaded.
●
●
●
●
●
Initialization: Phase 1
●
●
●
●
○
Initialization: Phase 2
●
●
●
○
○
Initialization: Phase 3
○
●
●
○
○
Initialization: Phase 4
Operation
○
●
X
X
X
CPU is in STOP state.
BB
●
X
X
X
CPU is in start-up state.
Blinking with 2Hz: The RUN LED blinks during start-up (OB 100)
at least for 3s.
○
BB
X
X
X
Blinking with 10Hz: Activation of a new hardware configuration
General
VIPA System SLIO
Hardware description
Structure > LEDs
HB300 | CPU | 013-CCF0R00 | en | 16-40
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