Vibro-meter 200-505-017-011

Description

Vibro-meter 200-505-017-011
The standard MPC4 card is the original version, intended for systems using a VM600 rack
with a limited range of cards, that is, standard MPC4/IOC4T card pairs and RLC16 relay
cards (see Table 1-2).
The standard MPC4 has a VME-compatible slave interface and is software configurable via
RS-232 (on the front panel of the MPC4 card) or via VME for a networked VM600 rack. It also
supports all processing modes (refer to Table 7-1 in section 7.1 Different versions of the
MPC4 card of the VM600 machinery protection system (standard version) hardware manual).
1.7.2 Separate circuits version of the MPC4
The separate circuits MPC4 card is intended for systems using a separate circuits version of
the VM600 rack. The separate circuits MPC4 was developed in accordance with the
CEI/IEC 60255-5 standard: “Insulation coordination for measuring relays and protection
equipment – Requirements and tests” and has slightly different circuitry (refer to section
9.10 Grounding options in the VM600 machinery protection system (standard version)
hardware manual).
Like the standard MPC4, the separate circuits MPC4 has a VME-compatible slave interface
and is software configurable via RS-232 (on the front panel of the MPC4 card) or via VME for

The safety (SIL) version of the MPC4 card, that is the MPC4SIL, was developed to permit a
wider range of installation options with a single VM600 rack, for example, condition
monitoring in addition to machinery protection (see Table 1-3). To safety certify these
systems, it was necessary to ensure that the safety MPC4 is isolated from the other cards in
a VM600 rack, so that there is no possibility of its configuration being inadvertently modified.
As the safety MPC4 (MPC4SIL) does not have a VME bus interface, corruption of its
configuration is impossible as it is only software configurable via RS-232 (on the front panel
of the MPC4 card). Therefore, it is now possible to define a single VM600 rack configuration
containing condition monitoring cards (such as the CMC16 and XMx16) and relay cards (such
as the IRC4 and RLC16) in addition to safety-related machinery protection in the form of
safety MPC4 cards.
However, the MPC4SIL card does not support all of the processing modes supported by the
standard and the separate circuits versions of the MPC4 cards (refer to Table 7-1 in section
7.1 Different versions of the MPC4 card of the VM600 machinery protection system (standard
version) hardware manual).
For example, the MPC4 SIL card does not support the Narrow Band (Tracking) Vibration and
Smax processing functions, speed/phase reference (tachometer) processing, or the danger
bypass (DB) and trip multiply (TM) functions.