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STP-H600/H1000 Series Instruction Manual
<Operation after a Power Recovery>
1) MANUAL Operation
The STP pump continues decelerating even after a power recovery.
Press the "START" switch to reaccelerate the STP pump.
2) REMOTE Operation
· When the START signal is input to the REMOTE input terminal at a
power recovery to reaccelerate the STP pump.
· When the START signal is not input to the REMOTE input terminal after
the power recovery, the STP pump continues the BRAKE operation.
NOTICE
Establish a sequence so that power can be supplied to the STP control unit
immediately after a power recovery.
Table 6.1 shows the states of lamps and the REMOTE output signal at a power
failure.
Also, Table 6.2 shows operations of the STP pump after a power recovery.
Table 6.1 State of Lamps and REMOTE Output Signal at Power Failure
LED lamps
REMOTE output
signal (I/O TB2)
Power failure time
Rotational speed
(rpm)
“BATTERY OPERATION”
“EMERGENCY
OPERATION”
Power ON
signal
ALARM
signal
Less than 2000 Lights ON ON
Approx. 2 sec. or more
2000 or less Goes out OFF OFF
Less than approx. 2 sec.
Does not detect power failure.
Table 6.2 Operation of the STP Pump after Power Recovery
MANUAL operation REMOTE operation
Power failure time
STP pump operation
after power recovery
“START” REMOTE
signal input after
power recovery
STP pump operation
after power recovery
Yes Reacceleration
Approx. 2 sec. or more Deceleration/Stop
No Deceleration/Stop
Less than approx. 2 sec.
Continues as before.
6-2