Edwards SCU-800

SCU-800 Control Unit for Turbomolecular Pump
MT-49E-101-G
Page 110
7
MAINTENANCE
7.4 "WARNING" function setting
The following "WARNING" functions can be set to Enable or Disable. Refer to Section 3.11,
"Parameter Set Mode" for the setting method. See Table 31 and Table 32 for the default setting.
Message
Default setting
User setting
User setting
change
(threshold)
WARNING
First Damage Limit
Enable
Enable
Disable
WARNING
Second Damage Limit
Enable
Enable
Disable
WARNING
Imbalance X_H,
Imbalance X_B,
Imbalance Z
Enable
Enable
Disable
WARNING
Pump Run Time Over
Disable
Enable
Enable
WARNING
Pump Overload
Disable
Enable
Enable
WARNING
Low RTC Battery
Enable
Disable
Disable
Table 31 - Default setting of "WARNING" function
Message
Default setting
User setting
User setting change
(threshold)
WARNING
Pump Run Time Over
0 hour
0 to 30 million
hours
It can be set in units of
100 hours. 0 is not
counted.
WARNING
Pump Overload
Motor current
100%
0 to 100%
The ratio to the rated
current value. Smaller
value has high possibility
to get "WARNING".
Rotational
speed
0%
0 to 100%
The rate to the rated
current value. Larger
value has high possibility
to get "WARNING".
Table 32 - Factory setting and variable range