13
Power-up
initialisation
start inhibit
check
READY TO
START
motor start
sequence
load delay
(acceleration
time)
Reload
delay time
Start request
OR
Autorestart
AND
state was started
no start inhibit
conditions
present
start inhibit
conditions
present
load request
star/delta
sequence ended
unload pressure
reached
OR
unload request
shutdown
error
NO shutdown error
shutdown error
standby
run on time
expired
load request
1
2
3
4
7
8
10
load
load delay
expired
9
stop
run on
time
stop
run on time
expired
12
stop request
init complete
run inhibit
AND
blowdown
standby
5
6
blowdown time expired
(
AND
no run inhibit conditions)
stop request
stop request
stop request
RUNNING
STARTED
LOADED
stop request
standby
run on
time
11
reload time
expired
stop request
start request
stop request
AND
Star/delta
sequence
ended