Function Security - YASKAWA CPU 013C Manual

Deployment CPU 013-CCF0R00
Operating modes > Function security
Operating mode START-
UP
Operating mode RUN
4.11.2

Function security

Event
RUN ® STOP
78
n During the transition from STOP to RUN a call is issued to the start-up organization
block OB 100.
– The processing time for this OB is not monitored.
– The START-UP OB may issue calls to other blocks.
n All digital outputs are disabled during the START-UP, this means BASP is activated.
n RUN LED
– The RUN LED blinks as soon as the OB 100 is operated and for at least 3s, even
if the start-up time is shorter or the CPU gets to STOP due to an error.
– This indicates the start-up.
n STOP LED
– During the processing of the OB 100 the STOP LED is on and then turns off.
n When the CPU has completed the START-UP OB, it assumes the operating mode
RUN.
* OB 102 (Cold start)
If there is a "Watchdog" error the CPU still remains in STOP state. With
such an error the CPU must be manually started again. For this the
OB 102 (cold start) must exist. The CPU will not go to RUN without the
OB 102. Alternatively you can bring your CPU in RUN state again by an
overall reset respectively by reloading your project.
Please consider that the OB 102 (cold start) may exclusively be used for
treatment of a watchdog error.
n The application program in OB 1 is processed in a cycle. Under the control of alarms
other program sections can be included in the cycle.
n All timers and counters being started by the program are active and the process
image is updated with every cycle.
n BASP is deactivated, i.e. all outputs are enabled.
n RUN-LED on
n STOP-LED off
The CPUs include security mechanisms like a Watchdog (100ms) and a parameterizable
cycle time surveillance (parameterizable min. 1ms) that stop res. execute a RESET at the
CPU in case of an error and set it into a defined STOP state. The VIPA CPUs are devel-
oped function secure and have the following system properties:
concerns
general
central digital outputs
central analog outputs
decentral outputs
Effect
BASP (Befehls-Ausgabe-Sperre, i.e. command output lock)
is set.
The outputs are disabled.
The outputs are disabled.
n Voltage outputs issue 0V
n Current outputs 0...20mA issue 0mA
n Current outputs 4...20mA issue 4mA
If configured also substitute values may be issued.
Same behaviour as the central digital/analog outputs.
HB300 | CPU | 013-CCF0R00 | en | 16-40
VIPA System SLIO