Inovance MD380L - Timing Diagram Description

13
Timing diagram description
Event Descriptions Function
Drive Status
ta
- Drive healthy
- MC and brake Contactor are energised
---- RUN
tb
- Drive Trip
- IGBTs disable
- Brake contactor de-energised
---- Trip
tc - MC contactor got de-energised provided drive I
GBTs are disabled after 0.1sec
---- Trip
t1 - Drive waits to enable by lift controller ---- Inhibit
t2 - Drive MC contactor output energized when direction demand command
enable by the lift controller.
- Desired preset speed reference command enable by lift controller
F8-60
Ready
t3 - Drive IGBTs immediately go into active mode
after the desire drive run permit
delay ON set time has elapse.
F8-60
STOP
t4 - DC injection active
- Motor brake contactor energized when motor current demand excess the
brake release current level and brake release frequency
F6-05
F6-06
F8-55
F8-56
RUN
t5 - Motor brake contactor is energized
- Optimize profile generator active
- Motor start to run
F8-57
F6-03
F6-04
RUN
t6 - DC injection 1 disable after the desired set time has elapsed F6-06 RUN
t7 -
Start optimizer profile generator disable after the desired set time has elapse.
F6-04 RUN
t8 - Motor ramp up to the desire preset speed reference. F6-08
F6-09
F0-17
FC-0x
RUN
t9 - Drive output at speed status FC-0x RUN
t10 - Change of preset speed reference demand
- Motor ramp down to the desire preset speed reference
F6-08
F6-09
F0-17
FC-0x
RUN
t11 - Drive output at speed status FC-0x RUN
t12 - Direction demand command disabled
- Motor ramp down to zero speed
F6-08
F6-09
F0-18
RUN
t13 -
DC injection active when drive output falls below the DC injection 2 frequency
threshold
F6-11
F6-13
RUN
t14
- Brake contactor got de-energise when the drive output frequency fall below
the brake apply frequency
F8-56
F8-59
RUN
t15 - DC injection still active when brake contactor got de-energise. F6-13 RUN
t16 - DC injection disable after the desire set time has elapse F6-14 STOP
t17
- Drive IGBTs got disable
- MC contactor delay OFF time active
----- Ready
t18 - MC contactor de-energise after the desire set time has elapse F8-61 Inhibit