7 2 0 0 OPERA TIO N
5 - 5 3
5.8.6.5
P
os
i
t
i
on
L
oop
P
a
r
a
m
e
t
e
r
s
The parameters
li
sted
i
n Tab
l
e 5-2 3 contro
l
ho w the antenna
i
s moved to the target
pos
i
t
i
on and the prec
i
s
i
on of the antenna’s pos
i
t
i
on.
TAB
L
E 5-23
P
OS
I
T
I
ON
L
OO
P
P
A
R
AMETE
R
S
P
A
R
AMETE
R
DESC
R
I
P
T
I
ON
S
l
e w rate
Under norma
l
operat
i
on of the A CS, the s
l
e w rate (h
i
gh speed)
i
s enab
l
ed;
ho w ever, for test
i
ng,
i
t
i
s somet
i
mes d
i
sab
l
ed so that the antenna w
ill
use on
l
y
i
ts track speed to reach the target.
S
l
e w - > track
trans
i
t
i
on [deg]
These ang
l
es determ
i
ne w hether the antenna moves at s
l
e w (h
i
gh) speed or
track (s
l
o w) speed to reach the target pos
i
t
i
on. For each ax
i
s,
i
f the d
i
stance
from the current pos
i
t
i
on to the target pos
i
t
i
on
i
s greater than the s
l
e w - > track
trans
i
t
i
on ang
l
e for that ax
i
s, the antenna moves at s
l
e w speed. If the d
i
stance
i
s
l
ess than th
i
s va
l
ue, the antenna moves at track speed. If these ang
l
es are
set too
l
o w , the antenna w
ill
overshoot the target, and
i
f they are set too h
i
gh,
the antenna w
ill
take
l
onger than necessary to reach the target.
S
l
e w - > stop
coast t
i
me [ms]
Th
i
s
i
s the t
i
me,
i
n m
illi
seconds, that the A C U w a
i
ts for the axes to come to a
stop after the motors are stopped from s
l
e w speed.
Track - > stop
coast t
i
me [ms]
Th
i
s
i
s the t
i
me,
i
n m
illi
seconds, that the A C U w a
i
ts for the axes to come to a
stop after the motors are stopped from track speed.
Pos
i
t
i
on
i
ng
deadband [deg]
Th
i
s parameter determ
i
nes the accuracy of the pos
i
t
i
on
l
oop. The pos
i
t
i
on
l
oop
w
ill
cont
i
nue to move the antenna from the current pos
i
t
i
on to the target unt
il
the antenna
i
s w
i
th
i
n the pos
i
t
i
on
i
ng deadband for th
i
s ax
i
s.
Inch
i
ng on t
i
me
[ms]
Inch
i
ng on t
i
me
i
s used
i
n the event of target overshoot. The motors are turned
on for a per
i
od of t
i
me equa
l
to the va
l
ue of th
i
s parameter and then turned off
for a per
i
od of t
i
me equa
l
to the va
l
ue of Track - > stop coast t
i
me [ms]. Th
i
s
"
i
nch
i
ng "
i
s repeated unt
il
the antenna comes w
i
th
i
n the deadband set for the
ax
i
s. Inch
i
ng on t
i
me [ms] shou
l
d be set
j
ust h
i
gh enough to get the antenna to
move -- osc
ill
at
i
on can occur
i
f the va
l
ue of the parameter
i
s set too h
i
gh.
To ed
i
t any of the parameters under th
i
s menu, use the fo
ll
o w
i
ng procedures.
1.
From the
M
a
i
n m
e
nu
, se
l
ect
Ed
i
t syst
e
m
c
onf
i
gu
r
a
t
i
on...
and then se
l
ect
P
os
i
t
i
on
l
oop p
a
r
a
m
e
t
e
r
s...
.
2.
To change S
l
e w rate, use the arro w keys to move the cursor to the parameter to
be ed
i
ted and press [EN TER]. Us
i
ng the up and do w n arro w keys, togg
l
e through
the preprogrammed cho
i
ces. W hen the des
i
red cho
i
ce
i
s h
i
gh
li
ghted, press the
[EN TER] key.
3.
To change any of the rema
i
n
i
ng parameters, use the arro w keys to move the
cursor to the parameter to be ed
i
ted and press [EN TER]. Us
i
ng the numer
i
c keys,
enter a va
l
ue w
i
th
i
n the range spec
i
f
i
ed
i
n the system prompt and press
[EN TER].
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...
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Страница 46: ...THEORY 3 5...
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Страница 154: ...7200 M AINTENANCE 7 2 THIS PA GE INTENTIONALLY LEFT BLANK...
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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...
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