STP-iX457/iXU457 Series Turbomolecular Pump
MT-86E-001-F
Page
12
TECHNICAL DATA
PAG
E
2
Installation position
Free
Cooling method
Natural air cooling
(Air cooling: At baking and gas pumping)
Mass
*4
kg
16 19
Ambient temperature range °C
0 to 40
Storage temperature range °C
-25 to 55
*1 Maximum backing pressure is the pressure when the working pressure rises suddenly without flowing gas.
*2 Critical operating backing pressure is the pressure that allows continuous operation without flowing gas.
*3 Backup rotational speed is the lowest rotational speed to which the magnetic bearing can be backed up at a power failure.
*4 Mass is a value of state that the only standard accessory was installed (except the optional accessory).
2.2 Control unit
The values shown below are typical. They are not guaranteed.
Item STP-iX457/iXU457 series
Rated input voltage VDC
24
Operating voltage range VDC
21.6 to 26.4
Input power VA
240 maximum
Pollution degree 2
Installation category
Ⅰ
Motor driving system 3-phase d.c. brushless motor driver
Output frequency
under normal operation
Hz
917 maximum
Panel indication STATUS (Green/Red/Orange 3 color LED)
Input/Output connector X1 DC POWER (10 pins circular connector)
X2 REMOTE (15 pins Dsub high density connector)
X3 OPTIION (3 pins rectangular connector)
Safety function Electromagnetic bearing failure detection
STP pump overheat detection
Motor driver overload detection
Power failure detection
STP pump overspeed detection
Control unit overheat detection
Other failure detection
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