4.2.6 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 (Memory Reset), you request an overall reset with following
load from memory card, if a project there exists.
4.2.7 LEDs
RN
(RUN)
green
ST
(STOP)
yellow
SF
(SFAIL)
red
FC
(FRCE)
yellow
MC
(MMC)
yellow
Meaning
Boot-up after PowerON - as soon as the CPU is supplied with 5V, the green PW-LED (Power) is on.
10Hz
Firmware is loaded.
Initialization: Phase 1
Initialization: Phase 2
Initialization: Phase 3
Initialization: Phase 4
Operation
X
X
X
CPU is in STOP state.
2Hz
X
X
X
CPU is in start-up state. As long as the OB 100 is processed, the
RUN LED blinks for at least 3s.
X
X
CPU is in state RUN without error.
X
X
X
X
There is a system fault. More information can be found in the
diagnostics buffer of the CPU.
X
X
X
X
Variables are forced.
X
X
X
X
Accessing the memory card
X
10Hz
Configuration is loaded.
Overall reset
2Hz
X
X
X
Overall reset is requested
10Hz
X
X
X
Overall reset is executed.
Factory reset
Reset to factory setting is executed.
Reset to factory setting finished without error
Firmware update
LEDs CPU
VIPA System 300S
+
Hardware description
Structure > LEDs
HB140 | CPU | 314-6CF23 | en | 19-01
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