Enable is entered. For example, even if up-down signal is entered for the up-down
operation while operating according to the analog voltage input V1, the inverter will
operate according to the analog voltage input V1. If the up-down switchover (U/D
Enable) signal is entered, the operation will follow the up-down operation terminal
input and the analog voltage input V1 will not be used for the inverter operation until
the up-down switchover (U/D Enable) signal is disabled.
If the frequency reference source parameter is set as keypad during an up/down
operation, the frequency cannot be set up using the keypad and can only be changed
using the up/down terminal.
Up-down Operation Setting Details
Select three terminals for up-down operation and set them to 17
(Up), 18 (Down) and 27 (U/D Enable), respectively. If the up-down
switchover (U/D Enable) command is not entered,
acceleration/deceleration will follow the operation command set in
drv. If the up-down switchover (U/D Enable) command is entered
during acceleration/deceleration, acceleration/deceleration will stop
to wait for Up and Down commands.
When the operation command and up-down activation command is
entered, the operation will be accelerated if the Up terminal signal
turns On, and the acceleration will stop to operate as a constant
speed if the signal turns Off.
When signal is off, deceleration stops and it operates in constant
speed. Deceleration stops and constant speed operation begins
when both Up and Down signals are entered at the same time.
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