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as
their
respective
clock
wheels
advance. The
hun-
dredths
of
h
ours
(rightmost)
lever
must be
pos
itioned
by the clock to its upward
limi
t of
travel before
it
ca
n
be
used
to
set its
clock
wheel.
Terminal Address Selector
(T
AS)
TA
S
is progra
m-contro
ll
ed
to
se
lec
t
indi
vidual
process
signa
ls.
Consisting
of
a
300-point
scann ing
counter
and
matrix
a
nd
a
three-digit regi
ster,
TA5
selects Ana log
Input,
Analog
Output, a
nd Contact Operate
addresses
from 000 to
299;
High-Speed
Contact Sense
address
from 00 to
19; a
nd
Process
Operator
Units addresses
from 00 to
99.
TAS
contents
are
di splayed
o
n
the
17
11
Operator's
P
a
nel. Th
e
Select
TAS
instru
ction
Ill
ay
be
Figure 8
.
17
11
Ope
ralor's
Pane
l
used
to
store
the
conten ts o
f
TAS
.
For
th
e
purposes
o[
progra mming a
nd
timi ng considerat
ions,
it
is impor-
ta
nt
to note (see
Figure
6)
th
a
t
Analog
Input,
Ana
log
Output,
and Conta
ct
Operate
addresses
are
ro
uted
through
the Multiplexer,
a
nd
that
th
e Process Operator
Units
ad dresses a
nd
the High
-Speed Contact Sense ad
-
dresses a re
not
ro uted
through
the Multip
lexer.
The
sign
ifi
ca nce
or this fact
is me
nti
o
ned in
appropriate
parts o
f
th
e
m
a
nu
a
l.
1711 Operator's Panel
Th
e
1711
Operator's
P
a
nel
(Fig ure 8)
conta
in
s
switches,
keys, lights, a
nd indi
cators
that
are
pertinent
to
opera t
i
ng
the
1711
.
The
Opera
tor
's
Pa nel
is de-
scr
i bed in
deta
il
under 17
11
OPERAT ING
KEYS
AND
I.I
GHTS.
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