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IBM 80 User Manual
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MINOR
REVISION
(May
1957)
This
edition,
Form
225-8766-4,
is
a
minor
revision
of
the
preceding
edition
but
does
not
obsolete
Form
22-8766-3.
Principal
changes
in
this
edition
are:
PAGE
SUBJECT
22
to
end
Deletion
of
all
material
that
is
in
the
82-80-75
C.B.
Reference
Manual
76
Added
instructions
for
the
978
Card
Counting
Unit
©
1952,
1953,
1956
by
International
Business
Machines
Corporation
2
4
Table of Contents
Table of Contents
4
Ibm 82 Card Sorting Machine
5
Functional Principles
6
Principle of Sorting
7
Operating Features
9
Switches and Fuses
9
Card Brush
10
Contact Roll Cover
10
Commutator
10
Declutching Hand Wheel
10
Card Runout
10
Pocket Stop Device
10
Machine Operation
10
Current, Weight and Dimensions
11
Mechanical and Electrical Principles
12
Chute Blades and Sort Magnet
12
Card Brush Assembly
14
Commutator
17
Drive Shaft and Motor
17
Declutching Hand Wheel
18
Reverse Lock
18
Feed Knives
19
Feed Rolls
20
Card Levers and Contacts
22
Pocket Stop Device
22
Circuit Description
23
Selenium Rectifiers
23
Duo Relays
23
Glossary of Terms and Abbreviations
24
Time Delay Relay
24
Relay Gate and Electronic Chassis
24
Tube Filaments
24
DC Machine Circuit
24
Sorting Circuits
27
General Operation
28
Oscillator and Rectifier Tube
28
Static Circuit Conditions
29
Firing the Trigger Tube
30
Energizing the Sort Magnet
30
Restoring Bias
32
Miscellaneous Components
32
Purpose of Relays, Contacts and Switches
33
Ibm 80 Card Sorting Machine
34
Functional Principles
34
Operating Features
34
Mechanical and Electrical Principles
35
Circuit Description
36
Relay Cabinet
36
DC Machine Circuit
36
Starting and Running Circuits
36
Motor Relay and Card Control Relay
36
Drive Motor
36
Purpose of Relays and Contacts
38
Ibm 75 Card Sorting Machine
40
Functional Principles
40
Operating Features
41
Switches
41
Counter Reset
41
Current, Weight, and Dimensions
41
Mechanical and Electrical Principles
41
Card Counters
41
Reset Interlock Contact
42
Counting Commutators
42
Slate Base Relays
43
Circuit Description
45
Counting Circuits
45
Card Lever Hold Relay
45
Counter Magnets and Relays
46
Transfer Set up Relay
47
Count Control Relay and Reject Counter
47
Total Counters
47
Sorting Circuits
47
Purpose of Relays, Commutators, and Contacts
47
Special Devices
50
Auxiliary Card Counting Device
50
Circuit Description
51
Sort Suppression Device
53
Circuit Description
53
Sort Suppression Commutator
54
Energizing the Sort Magnet
54
Card Matching Device
55
Sorting Detail Cards
57
Sorting Master Cards
58
Purpose of Miscellaneous Circuit Components
58
Multiple Column Selection Device
63
Multiple Column Selection
64
Zero-Elimination
64
Circuit Description
64
Normal Sorting and Common Digit Selection
64
Sensing a Selected Value
64
Sensing an Unselected Value
64
Static Circuit Conditions
64
Operation of the Zero-Eliminate Control Tube
67
Circuit Cutout Relay
68
Group Sorting Device
69
Internal Controls
70
Static Circuit Condltlons
71
Firing the MCC Tube
71
Sorting the Master Card
71
Sorting Detail Cards
71
Trailer Card Operation
73
Single Master Card Operation
73
Purpose of Miscellaneous Circuit Components
73
Ibm 978 Card Counting Unit
74
Functional Principles
74
Introduction
74
Reset
74
Counters
74
Tube and Relay Storage
74
Circuits
75
Conditioning Circuits
77
Sort Only
77
Count Only
77
Sort and Count
80
Purpose of Circuit Components
80
Wire Contact Relays
80
Duo Relays
81
Cam Contacts
82
Switches
82
Rectifier
82
Resistor
82
4
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IBM 80 Specifications
General
Brand
IBM
Model
80
Category
Office Equipment
Language
English
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