HARDWARE MANUAL Document reference MAMPS-HW/E
VM600 machinery protection system (MPS) Edition 18 - March 2022
7-28
Differential quasi-static pressure monitoring
PROCESSING MODES AND APPLICATIONS
7.14Differential quasi-static pressure monitoring
This type of processing is equivalent to that used for differential housing expansion
processing. See 7.11 Differential housing expansion.
7.15Quasi-static temperature monitoring
This type of processing is equivalent to that used for absolute housing expansion processing
(see 7.10 Absolute housing expansion), but using a temperature unit expressed in °C.
X1 input
Figure 7-25: Block diagram showing differential quasi-static pressure processing
X1 value
Alarm level
detectors
X2 input
X1 alarms
X1−X2 value
X1−X2 alarms
X2 value
X2 alarms
Static pressure
compensation 1
Static pressure
compensation 2
Input
Value
Alarm
Static
temperature
compensation
Alarm level
detector
Figure 7-26: Block diagram showing quasi-static temperature processing