9.4
Power Failures
79
9
9.4.1 Power Failure Counter-operation
Table 9-3 shows the counter-operations against power interruption which occurred while the
pump rotor is normally rotating.
Table 9-3
Counter-operations Against Power Supply Failure
(Note 1) For restarting after the power re-supply (restoration), push the RESET button.
(Note 2) The time can be changed to 1 second from 2 seconds via communication operation. Refer to
separate manual for serial communication.
(Note 3) The pin numbers are shown in Fig. 6-4 "Arrangement of Remote-control Connector Pin (front
view)".
(Note 4) Actions can be changed via communication operations. Refer to Section 6.7 "Remote-control
Connector".
Interruption time
2 seconds or less (Note 2)
Over 2 seconds (Note 2)
Interrupt / re-supply
During interruption
After re-supply
During interruption
After re-supply
Pump status
Magnetic levitation
Levitation goes on
Levitation goes on
Levitation goes on
Levitation goes on
Run
Decelerates
Returns to before
power-failure running
condition
Decelerates
Decelerates
(Note 1)
Indicator lamp
NORMAL
Before-power-failure
indication goes on
Before-power-failure
indication goes on
Before-power-failure
indication goes on
Before-power-failure
indication goes on
Alarm
Before-power-failure
indication goes on
Before-power-failure
indication goes on
Orange lamp turns
on
Orange lamp ON
goes on
Remote-control output signals (Note 3)
ROTATION
Pin no.
( 8 )-(20)
"CLOSE" goes on
"CLOSE" goes on
"CLOSE" goes on
"CLOSE" goes on
NORMAL
Pin no.
( 6 )-(18)
Before-power-failure
condition goes on
Before-power-failure
condition goes on
Contact open
"OPEN" goes on
ACCELERATION
Pin no.
( 5 )-(17)
Before-power-failure
condition goes on
Before-power-failure
condition goes on
Contact open
"OPEN" goes on
BRAKE
Pin no.
( 7 )-(19)
Before-power-failure
condition goes on
Before-power-failure
condition goes on
Contact close
"CLOSE" goes on
REMOTE
Pin no.
( 9 )-(21)
Before-power-failure
condition goes on
Before-power-failure
condition goes on
Contact open
Return to Before
power-failure
ALARM (Note 4)
Pin no.
(23)-(24)
(11)-(24)
"CLOSE" goes on
"OPEN" goes on
"CLOSE" goes on
"OPEN" goes on
Contact open
Contact close
By resetting
Contact close
Contact open
WARNING (Note 4)
Pin no.
(12)-(25)
(13)-(25)
"OPEN" goes on
"CLOSE" goes on
"OPEN" goes on
"CLOSE" goes on
"OPEN" goes on
"CLOSE" goes on
"OPEN" goes on
"CLOSE" goes on
Содержание UTM1600 Series
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Страница 27: ...3 3CONSTRUCTION AND PRINCIPLE 3 1 Pump Construction 3 2 Principle of Turbo Molecular Pumping 3 3 Controller...
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