VM600 MPS hardware manual (standard version) MAMPS-HW/E 3 - 1
Edition 17 - February 2018
System elements
GENERAL SYSTEM DESCRIPTION
3 GENERAL SYSTEM DESCRIPTION
3.1 System elements
In order to gain an understanding of the operation of a VM600 machinery protection system
(MPS), it is necessary to consider the interaction of the principal elements making up this
system, namely:
1- ABE04x (19" x 6U) rack or ABE056 (19" x 1U) rack
2- RPS6U rack power supply
3- MPC4 machinery protection card
4- IOC4T input/output card for the MPC4
5- AMC8 analog monitoring card
6- IOC8T input/output card for the AMC8
7- RLC16 relay card (16 relays)
8- IRC4 intelligent relay card (4 DPDT or 8 SPDT relays).
An ABE04x rack can also contain the following:
9- CPUM modular CPU card
10- IOCN input/output card for the CPUM.
As outlined in 1.3 Communicating with the VM600 MPS, the number of different elements
used depends on the complexity of the system and the specific application. However, a rack
necessarily has one of the following possibilities:
• Only MPC4 / IOC4T card pairs
• Only AMC8 / IOC8T card pairs
• A combination of MPC4 / IOC4T and AMC8 / IOC8T card pairs.
A networked ABE04x has one of the following additional possibilities:
•A CPUM card on its own
• A CPUM / IOCN card pair.
3.2 Rack with MPC4 / IOC4T card pairs
Figure 3-1 shows a block diagram of a networked rack featuring MPC4 / IOC4T card pairs. It
shows the interaction between these two cards as well as between them and other cards in
the rack.
The signals coming from measurement transducers and devices (such as accelerometers,
pressure transducers, proximity transducers, RTD thermometers and flow meters) are
connected to the IOC4T via the inputs CH1, CH2, CH3 and CH4, which are accessible at the
rear of the ABE04x rack. These raw signals are available to the user on BNC connectors
(named RAW OUT) on the panel of the MPC4 card. They are also available on the IOC4T
connector (raw outputs RAW 1H and RAW 1L, RAW 2H and RAW 2L, RAW 3H and
RAW 3L, and RAW 4H and RAW 4L).
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