
STP-200/300/400 Series Instruction Manual
◇ Establish a sequence so that power can be supplied to the STP
control unit immediately after a power recovery.
Tables 6.2 and 6.3 show operations of the STP pump after a power recovery.
Table 6.2 Operations of the STP Pump after a Power Recovery
(during MANUAL OPERATION)
Power failure time
Number of rotations
after a power
recovery
State of "POWER
ON" switch after a
power recovery
STP pump's operation
after a power recovery
3,000rpm or more ON/OFF Deceleration/Stop
ON Re-levitation
Approx. 50msec. or
more
Less than 3,000rpm
OFF POWER OFF state
ON Continues as before.
3,000rpm or more
OFF Deceleration/Stop
ON Re-levitation
Approx. 35msec. to
less than 50msec.
Less than 3,000rpm
OFF POWER OFF state
Less than approx.
35msec.
Continues as before.
6-3
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