STP-301/451 Series Instruction Manual
13-6
Specification
Item Specifications
Safety functions z Magnetic bearing abnormality/error
detection
(Rotor vibration: 100μm0-P or more)
z STP pump overheat detection
(Motor: 110 °C or more)
z Driver overload detection
(Motor overcurrent)
z Power failure detection
(at 25,000 rpm or more: detects power
failure of 2 sec. or more)
(at less than 25,000 rpm: detects power
failure of 0.02 to 0.14 sec.)
z STP pump overspeed detection
(51,400 rpm or more)
z STP control unit overheat detection
(70 °C or more)
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