Timing Diagram For Changing Direction - ABB UMC100.3 Manual

U M C 1 0 0 . 3 U N I V E R S A L M O T O R C O N T R O L L E R T E C H N I C A L D E S C R I P T I O N
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Timing Diagram for Changing Direction

RUN FORWARD
Commands
(received
RUN REVERSE
telegram)
DO0 (forward)
UMC outputs
DO1 (reverse)
Motor current /
Check-ack
RUN FORWARD
RUN REVERSE
Monitoring signals
(telegram)
LOCK-OUT TIME
Remark:
• Opposite direction only possible after OFF and after the reverse lock-out time has elapsed.
• Restart in the same direction without consideration of the Reverse lock-out time.
Related parameters
• Reverse Lockout Time
Run
forward
OFF
aux. contact
OFF
Run
reverse
off ignored
Rev lockout time
Run
reverse