66 HB700 | CPU | PMC921xEx | en | 24-04
LEDs CPU
,
,
Status
LED
RN
green
ER
red
IO ER
red
PN-C ER
red
PN-D ER
red
IO DIAG
red
Description
Reset to factory settings
yellow
1Hz
Request reset to factory settings type 1.
yellow
2Hz
1Hz 1Hz 1Hz 1Hz 1Hz 1Hz The CPU requests a power cycle after resetting
to factory settings type 1 by means of the DIP
switch.
yellow
2Hz
Request reset to factory settings type 2.
Firmware update
yellow
1Hz
0.2s/1s
Firmware update is in progress.
LEDs Safety
SF RN
green
SF HE
red
Description
The safety CPU is not ready for operations.
The Safety CPU is in the SAFE-RUN state.
The safety-related user program is executed.
The Safety CPU is in the Fail Safe state Hard Fail Safe. ⮫‘Fail safe states’...page 130
Check your hardware setup and perform a power cycle.
1Hz The Safety CPU is in the Fail Safe state Soft Fail Safe. ⮫
‘Fail safe states’...page 130
The safety-related user programme is not executed. An error has occurred.
1Hz The following status is shown depending on the operating mode:
■ PowerON - Initialization
– The safety CPU is in the SAFE-STOP state.
– Project data is transferred from the parametrization memory to the internal memory of
the safety CPU.
■ Data transfer
– With iCube Engineer, a project is transferred to the safety CPU.
■ Debug
– The safety CPU is in the DEBUG-STOP state.
– The safety CPU is in the DEBUG-HALT state.
2Hz The safety CPU is in the DEBUG-RUN state.
More information on DEBUG operation can be found in the iCube Engi-
neer manual.
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