Document reference MAMPS-HW/E HARDWARE MANUAL
Edition 18 - March 2022 VM600 machinery protection system (MPS)
iii
14 30.06.2015 Peter Ward
Added information on VM600 MPS rack (CPUM) security
(see 1.3 Communicating with the VM600 MPS and
6 CPUM / IOCN card pair).
Clarified the maximum current available for a VM600 rack
using two RPS6U rack power supplies (see 2.10.6 Racks
with two RPS6U rack power supplies in order to supply
power to the cards).
Added information on the difference between MPC4 and
MPC4SIL cards (4.1 Different versions of the MPC4 card).
Corrected the specification of the power supply in
4.4.2 Speed signal inputs to be consistent with
9 Configuration of MPC4 / IOC4T cards.
Clarified operation of OK system (that is, sensor OK check
in 4.7.1 OK system checking and 5.9.1 OK system
checking.
Added a table summarising the operation of LEDs on the
CPUM panel (see Table 6-1 ).
Added a table summarising the different processing modes
supported by the different versions of the MPC4 card
(see Table 7-1).
Corrected how the VM600 MPSx software calculates S
max
(7.7 Smax measurement) and added information on an
alternative way to calculate it (7.17 Dual mathematical
function).
Added information on narrow-band fixed frequency
processing (7.18 Narrow-band fixed frequency).
Added information on relay terminology (9.4.1 Relay
terminology) and clarified how to configure relays on an
IOC4T card in 9.4 Configuring the four local relays on the
IOC4T (updated Figure 9-24 and added 9.4.2 Operation of
relays).
Clarified the use of micro-switches to configure the relays
on an IOC8T card as NE/NDE (see 10.3 Configuring the
four local relays on the IOC8T).
Updated the fuse rating for racks running on an AC supply
(see 14.5.1 General checks for racks).
Clarified CPUM and IOCN connector terminology (RJxx
replaced by xPxC, as appropriate) and their use.
Updated to include the new CPU module (PFM-541I or
equivalent) fitted to the CPUM card (see 6 CPUM / IOCN
card pair, 13 Configuration of CPUM / IOCN cards and
Appendix A Environmental specifications) and removed all
references to the point-to-point protocol (PPP).
PW
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