Meggitt vibro-meter VM600 - Page 95

Document reference MAMPS-HW/E HARDWARE MANUAL
Edition 18 - March 2022 VM600 machinery protection system (MPS)
3-5
Rack with AMC8 / IOC8T card pairs
GENERAL SYSTEM DESCRIPTION
RL1
RL2
RL3
RL4
Micro-Controller
(+ RAM)
E
M
C
P
r
o
t
.
RS-232
8 chan.
E
M
C
P
r
o
t
e
c
t
i
o
n
CH5
CH6
CH7
CH8
Measurement
Channels
DB
AR
RET
Local Relays
E
M
C
P
r
o
t
e
c
t
i
o
n
5
6
7
8
DC Outputs
AMC8 Card
Slot X (Front Cage)
IOC8T Card
Slot X (Rear Cage)
RET
E
M
C
P
r
o
t
.
Industry Pack
Interface
Industry Pack
Interface
To/ fro m
IOC8T
To/from
AMC8
VME Bus
2
Open-Collector
Drivers
Raw Bus
Digital-to-
Analog Conv.
(8 channels)
Voltage-to-
Current
Conversion
Selection by
solder points
(factory set,
default = current )
4-20 mA
0-10 V
CPUM Card
Slots 0+1 (Front Cage)
XX X.X
XXX
XXX
RS232
Ethernet
RS
A
RS232
ou RS485
2 x RS485
ou RS422
B
2 x RS485
ou RS422
1
Ethernet 1
2
Ethernet 2
IOCN Card
Slot 0 (Rear Cage)
OC Bus
16
E
M
C
P
r
o
t
e
c
t
i
o
n
CH1
CH2
CH3
CH4
2
3
4
1
4
Adaptation for
RTD orTC probe
Analog-to -Digital
Conversion
Digital Signal
Processing
DIAG/
STATUS
1
2
3
4
5
6
7
8
IP Bus
(Industry Pack)
IP Bus
(Industry Pack)
8
Danger
Bypass
Alarm
Reset
Connector P2
Connector P4
VM600 Rack
Backplane
Tacho Bus
2
(Tacho lines
7 and 8)
For CJC
signal
routing
IRC4 Card
Slot Y (Rear Cage)
RLC16 or
RL1
or RL8 (IRC4)
RL16 (RLC16)
64
Figure 3-2: Block diagram of AMC8 / IOC8T card pairs in a VM600 MPS
Note: Tacho Bus
lines 7 and 8 are
reserved for
cold-junction
compensation (CJC).