Bosch CL300 - Page 50

Operation
FlexibleAutomation
3−6
3.3.2 STOP
In STOP mode the following sequence is performed:
D The user program is not executed.
D With the use of a buffer battery and remanency switched on, the actual values
of the remanent timers and counters, which were present prior to the stop
state and the logic state of the remanent markers are maintained.
D The non−remanent operands (timers, counters, and markers) are assigned
the logic state 0".
D The outputs are assigned logic 0".
START
Batteryoperation
set
Battery
Stateafter
start−up
Remanency
set
Module Stateprior
topoweron
RUN
STOP
STOP
STOP
RUN
STOP
STOP
RUN
RUN
STOP
yes
no
RAM
fault
PROM
yes
no
no
yes
STOP
Fig.3−2Performance of the CL300
Process Image The states of the inputs/outputs is reflected in the process image which is updated
following each cycle. When the input/output operands are entered with interface
identifiers II/IO, direct peripheral operations can by−pass the process image.