O V ERVIE W
2 - 9
2.4.1.6 Du
a
l
Ch
a
nn
e
l
Re
so
l
v
e
r
-to-D
i
g
i
t
a
l
Conv
e
r
t
e
r
P
ri
nt
e
d-C
ir
c
u
i
t
Bo
a
r
d Ass
e
mb
l
y
(P
O
L
a
nd 4TH AX
I
S
)
The Reso
l
ver-to-D
i
g
i
ta
l
Converter (RD C) PCB accepts ana
l
og
i
nputs from the
antenna-mounted reso
l
vers (v
i
a the rear pane
l
term
i
nat
i
on c
i
rcu
i
t card) and prov
i
des
a b
i
nary d
i
g
i
ta
l
encoded representat
i
on of the po
i
nt
i
ng ang
l
es for the POL and 4 T H
A XIS to the CPU. V ME bus
i
nterface c
i
rcu
i
try
i
s
i
nc
l
uded, based upon CPU and RD C
t
i
m
i
ng requ
i
rements. The standard conf
i
gurat
i
on
i
s for s
i
ng
l
e-speed reso
l
vers and
1 6-b
i
t encod
i
ng; ho w ever, the RD C PCB can be conf
i
gured to accept dua
l
-speed
reso
l
ver
i
nputs and prov
i
de h
i
gher reso
l
ut
i
on as requ
i
red.
2.4.1.7 ACU Ch
a
ss
i
s Ass
e
mb
l
y
The A C U
i
s housed
i
n a custom chass
i
s assemb
l
y w h
i
ch mounts
i
n a standard 1 9-
i
nch E
l
ectron
i
cs Industry A ssoc
i
at
i
on (EIA) rack, requ
i
r
i
ng 7-
i
nches of vert
i
ca
l
rack
space. The nom
i
na
l
overa
ll
d
i
mens
i
ons of the A C U chass
i
s are: 7-
i
nches ta
ll
by 1 9-
i
nches w
i
de by 2 0-
i
nches deep. A f
i
ve-s
l
ot V ME card cage, w h
i
ch
i
nterfaces the
CPU, I/O , and RD C PCB’s,
i
s mounted to the
i
ns
i
de of the chass
i
s top p
l
ate. The
top p
l
ate
i
s h
i
nged at the rear of the chass
i
s and
i
nc
l
udes a
l
ock
i
ng support arm to
fac
ili
tate conven
i
ent front-s
i
de access to the card cage. The front pane
l
d
i
sp
l
ay and
keyboard and the
i
r respect
i
ve contro
l
c
i
rcu
i
t cards are supported by studs
connected to the front pane
l
.
A V ME backpane
l
PCB serves as the bus
i
nterface and D C po w er supp
l
y d
i
str
i
but
i
on
system for the CPU, I/O , and RD C PCB’s. T w o of the f
i
ve s
l
ots are ava
il
ab
l
e for
future expans
i
on and/or custom
i
zed features.
A PCB mounted to the A C U rear pane
l
accepts a
ll
externa
l
w
i
r
i
ng and connectors
(w
i
th the except
i
on of the
li
ne cord) and serves as a " break-out " dev
i
ce w
i
th
connect
i
ons to each of the c
i
rcu
i
t boards
i
n the card cage.
T w o therma
ll
y contro
ll
ed coo
li
ng fans are prov
i
ded to ensure operat
i
on of the A C U
i
nterna
l
components w e
ll
w
i
th
i
n dev
i
ce rat
i
ngs. The fans are po w ered from the
+ 1 2 V supp
l
y and have sensors w h
i
ch mon
i
tor temperature
i
n the card cage and
ad
j
ust fan speeds accord
i
ng
l
y.
Po w er for a
ll
A C U components
i
s prov
i
ded by t w o po w er supp
l
y assemb
li
es w h
i
ch
are mounted to the bottom p
l
ate of the chass
i
s. The pr
i
mary po w er supp
l
y
i
s of
the mu
l
t
i
p
l
e output, s w
i
tched mode type, prov
i
d
i
ng output vo
l
tages of + 5 and
– 1 2 V D C for a
ll
l
og
i
c and contro
l
c
i
rcu
i
ts, w
i
th the except
i
on of some of the
pos
i
t
i
on encod
i
ng PCB c
i
rcu
i
try. A secondary,
li
near po w er supp
l
y operat
i
ng at
– 2 4 V D C
i
s used to po w er sect
i
ons of the RD C c
i
rcu
i
try. Nom
i
na
l
po w er
requ
i
rements for the A C U are 2 0 0 V A at 1 2 0 or 2 4 0 V A C, 5 0 or 6 0 Hertz (Hz).
Содержание VertexRSI 7200
Страница 15: ...INTRODUCTION 1 4 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 21: ...O VERVIEW 2 6 Figure 2 3 7200 A CU Functional Block Diagram...
Страница 22: ...O VERVIEW 2 7 Figure 2 4 7200 Antenna Control Unit Top View Figure 2 5 7200 Antenna Control Unit Side View...
Страница 41: ...O VERVIEW 2 26 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 46: ...THEORY 3 5...
Страница 138: ...7200 OPERA TION 5 70 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 154: ...7200 M AINTENANCE 7 2 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 156: ...7200 DRA WINGS 8 2 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 160: ...A CRONYMS ABBREVIATIONS A 4 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 164: ...7200 PASSW ORD PROTECTION B 4 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 202: ...Appendix C 7200 Remote Monitor and Control Protocol CG 6042 Rev F June 2000 C 38 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 258: ...7200 TROUBLESHOOTING G 12 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 259: ...VENDOR DA T A H 1 APPENDIX H VENDOR DATA This appendix contains the Sumitomo NTAC 2000 O M manual for the inverters...
Страница 260: ...7200 VENDOR DA T A H 2 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 262: ...7200 MENU TREE I 2 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 264: ...Technical Support J 2 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 266: ...Technical Support J 4 THIS PAGE INTENTIONALLY LEFT BLANK...