ABB AC500-S Safety User Manual page 58

AC500-S safety modules
Generic safety I/O module behavior > Safety I/O module states
Transition From
(Fig. 14 on
page 51, Fig. 15
on page 51)
(17) RUN (user
acknowledgment
request)
(18) RUN (module pas-
sivation with a
command)
(19) RUN (module pas-
sivation)
(20) RUN (user
acknowledgment
request)
(21) RUN (module pas-
sivation)
(22) RUN (user
acknowledgment
request)
(23) RUN (user
acknowledgment
request)
(24) RUN (module pas-
sivation with a
command)
(25) RUN (module pas-
sivation with a
command)
(26) RUN (module pas-
sivation with a
command)
(27) RUN (channel
passivation and
reintegration)
58
To Description
INIT Powering off/on
RUN (module pas- PROFIsafe watchdog, PROFIsafe communication
sivation) error or undervoltage/overvoltage was identified.
Note: In this transition, it is possible that
WD_timeout bit of PROFIsafe F-Host instance tog-
gles if watchdog timeout is periodically recognized
by the safety I/O module.
RUN (module pas- If the threshold shut-down value was not reached
sivation with a during process undervoltage or overvoltage phase
command) and the process voltage is back in the normal range,
the safety I/O module reintegrates and would go to
RUN (ok) state automatically, but short time before
the "activate_FV_C = 1" command was sent from the
PROFIsafe F-Host stack, which leads the safety I/O
module to RUN (module passivation with a com-
mand) state.
RUN (module pas- Process undervoltage/overvoltage was identified.
sivation)
RUN (user ●
acknowledgment
request)
●
●
RUN (ok) ●
●
RUN (module pas- "activate_FV_C = 1" command was sent from the
sivation with a PROFIsafe F-Host
command)
SAFE STOP Error(s) of severity level 1 (CPU test, RAM test, etc.
failed) took place
INIT Powering off/on
RUN (ok) ●
●
RUN (module pas- PROFIsafe watchdog, PROFIsafe communication
sivation) error or undervoltage/overvoltage was detected.
Note: In this transition, it is possible that
WD_timeout bit of PROFIsafe F-Host instance tog-
gles if watchdog timeout is periodically recognized
by the safety I/O module.
3ADR025091M0208, 12, en_US
Module error (watchdog or communication error
(CRC)) is gone.
and
Command activate_FV_C = 0
then
Safety I/O module sets OA_Req_S = 1
OA_Req_S = 1 was set by the safety I/O module
after the module error is gone.
OA_C (positive edge) was set by the PROFIsafe
F-Host for the given safety I/O module
No module error
Command activate_FV_C = 0
2020/06/19