Document reference MAMPS-HW/E HARDWARE MANUAL
Edition 18 - March 2022 VM600 machinery protection system (MPS)
7-1
Different versions of the MPC4 card
PROCESSING MODES AND APPLICATIONS
7 PROCESSING MODES AND APPLICATIONS
This chapter describes the processing modes that can be configured on the VM600 MPS (for
example, shaft relative vibration, broad-band pressure). Additional background information is
provided on the types of measurements that can be performed in these modes.
The MPS is generally fully configured in the factory before delivery and can be employed as
is. In some cases one of the VM600 MPSx software packages (MPS1 or MPS2) can be used
to allow further configuration of system parameters, or to reconfigure the MPS if it is extended
by the addition of MPC, IOC or relay cards (such as the RLC16).
NOTE: Refer to the relevant manual for further information: VM600 MPS1 software
manual or VM600 MPS2 software manual.
7.1 Different versions of the MPC4 card
The MPC4 machinery protection card is available in different versions, including a standard
version, a separate circuits version and a safety (SIL) version, as described in
4 MPC4 / IOC4T card pair.
However, the safety MPC4 card (that is, the MPC4SIL) does not provide all of the signal
processing capabilities supported by the standard and the separate circuits versions of the
MPC4 (see Table 7-1).
Table 7-1: Overview of processing modes available on different version of the MPC4 card
Processing mode Supported?
VM600 MPSx software
processing function
Description MPC4 MPC4SIL
(BBAB) Broad Band
Absolute Bearing Vibration
See 7.2 Broad-band
absolute bearing vibration
S
Yes Yes
(NB) Narrow Band
(Tracking) Vibration
See 7.3 Tracking
(narrow-band vibration
analysis)
S
Yes No
(RS) Relative Shaft
Vibration
See 7.4 Shaft relative
vibration with gap
monitoring
S
Yes Yes
(AS) Absolute Shaft
Vibration
See 7.5 Shaft absolute
vibration
DYes Yes
(PS) Position
See 7.6 Position
measurement
S
Yes Yes
(SMAX) Smax
See 7.7 Smax
measurement
DYes No
(EC) Eccentricity
See 7.8 Eccentricity
measurements
S
Yes No
(SEP) Relative Shaft
Expansion with Pendulum
See 7.9.4 Pendulum
method
S
Yes No
Single-
channel
Dual-
channel
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