Or-
der
Pa-
ra-
me-
ter
Description
Functions
STA
none
g
0
to
g
24
:
warnings
and defaults
bit
g
0 = ok
1 = warning
2 = fault
0
Seized pump
Not accelerating
1
Fault (any)
2
3
4
5
Drive fault
6
7
Mag. suspens.
8
Power voltage
9
10
Upper radial bearing Yh
11
Upper radial bearing Xh
12
Lower radial bearing Yb
13
Lower radial bearing Xb
14
Axial bearing Z
15
Bearing
Bearing change
16
Electronic temperature
Electronic temperature
17
Pump temperature, pump sen-
sor
Pump temperature
18
19
20
Self check
21
22
23
24
Internal communication
8.5 Operation via fieldbus
Connecting and using Pfeiffer Vacuum turbomolecular pumps with a fieldbus system is possible when
the corresponding control interface is installed on the pump (depends on the ordering guide).
► Refer to the operating instructions of the corresponding control interface (see chapter “Applicable
documents”).
Interfaces for control
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