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IBM 80 User Manual

IBM 80
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SORT
SUPPRESSION
DEVICE
THE SORT suppression device may be installed on a
Type 75,
80 or 82 Sorter. This device
is
controlled
externally
by
means of a toggle switch which
is
mounted below the start and stop buttons in a
recess
in the upper right front cover assembly (Figure
35).
When
the sort suppression switch
is
off,
regular sorting
is
accomplished in the normal manner.
This device permits the segregation of cards into
either the reject pocket or the 12 pocket without
dis-
turbing the sequence of the cards within the two
groups.
It
is
useful in the segregation of unpunched
cards because, when sorting
is
suppressed, blank cards
are rejected while all other cards fall into the 12
pocket
in their original sequence.
It
is
also useful in
conjunction with the contact bars on the selector
com-
mutator if cards containing one of two or more digits
are
to
be
separated without disturbing the sequence of
WIRING
CODE
---
STANDARD
-ADDED
===-=-
....
_
..
REMOVED
either the selected or the unselected cards. For example,
with sort suppression on, and the 1 and 3 contact bars
on the selecting commutator retracted towards the
center, all cards punched 1 or 3 will be rejected while
all cards punched with other digits will fall
into the
12 pocket. The sequence of the cards
in both pockets
will remain undisturbed.
With
the 12 contact bar on
the selecting commutator
in the out position, cards
punched
12
will always sort into the 12 pocket,
re-
gardless of the setting of the sort suppression switch.
CIRCUIT
DESCRIPTION
THE
FOLLOWING
circuit description applies to a Type
82 sorter equipped with a sort suppression device.
Figure 39
is
a reproduction of the sorting suppression
wiring diagram
270093-A. All circuit description per-
taining to sort suppression will refer to this figure.
1
=
===-..:""-=--------------~\
,\
S
1
MEG.A
ON
o
I
OFF
SORT
SUPPRESSION
SWITCH
TO
PLUS
DC
TERMINAL
13
SORT
SUPPRESSION
COMMUTATOR
J
.S
MEG.
A
"
"
"
"
~,
"
\'
,\
,\
"
,\
\\
\\
"
"
"
RS
"
"
"
'\
\\
\\
,\
\\
\\
\\
\\
\\
,
TO
MINUS
DC
TERMINAL
14
Fil1ure 39.
Wiring
Diagram -
Sort
Suppression Device,
Type
82
53

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IBM 80 Specifications

General IconGeneral
BrandIBM
Model80
CategoryOffice Equipment
LanguageEnglish