Meggitt vibro-meter VM600 - Page 183

Document reference MAMPS-HW/E HARDWARE MANUAL
Edition 18 - March 2022 VM600 machinery protection system (MPS)
7-21
Shaft relative expansion
PROCESSING MODES AND APPLICATIONS
(2) Block diagram
Input 1
Figure 7-16: Block diagram showing processing for single shaft taper method
X position value
Alarm level
detectors
Initial
gap 1
Input 2
Initial
gap 2
ΔL
X position alarms
Expansion value
Expansion alarms
Y position value
Y position alarms
f(α)