Led - Edwards STP-iS2207 Series Instruction Manual

4.8

LED

4
Three LEDs indicate the pump's operational state.
LED
POWER
(green)
ROTATION
(green/orange)
FAILURE
(orange/red)
MT-89E-001-C
Page 56
STP-iS2207 Series Turbomolecular Pump
Power on
state Acceleration
(Levitation
state)
Steady green Steady green
Extinguishes
2,000 rpm or less:
2,000 to 10,000 rpm: 2 flashes
10,000 to 20,000 rpm: 3 flashes
20,000 to 33,000 rpm:
33,000 to 36,500 rpm
or under normal operation:
Warning state: Flashing orange
(The flashing pattern of the LED indicates the type of warning.
See Section 7, "SAFETY FUNCTION")
Failure state: Flashing or steady red
(The flashing pattern of the LED indicates the type of failure.
See Section 7, "SAFETY FUNCTION")
Table 11 - LED Indications for each state
ON
2,000 rpm or moe
(1 flash)
OFF
ON
2,000 to 10,000 rpm
(2 flashes)
消灯
ON
10,000 to 20,000 rpm
(3 flashes)
OFF
ON
20,000 to 33,000 rpm
(Continuous flash)
OFF
ON
33,000 to 36,500 rpm
or Normal operation state
OFF
(Steady)
Figure 30 - "ROTATION" LED Indication
Deceleration
state state
Steady green
Green Orange
1 flash
Continuous flash
Steady (see Figure 30)
1 cycle
LED luminescent color
Acceleration state: Green
Deceleration state: Orange
Warning/
Failure state
Steady green
(OFF only at power
failure)
See left