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Product Reference Literature
IBM
Reference Manual
IBM 29 Card Punch
Reference Manual
IBM 29 Card Punch
Preface
This reference manual contains the information required by a
card punch operator or trainee to use the IBM 29 Card Punch
efficiently. The reader is assumed to have at least an introductory
knowledge of data processing.
The manual describes the available models of the 29 Card
Punch, operating features and procedures, special features, and
29 Card Punch programming.
Seventh Edition (June 1970)
This is a reprint of GA24-3332-S incorporating changes released in Technical
Newsletter GN22-0337 (dated June 2, 1969). Changes are periodically made to
the specifications herein; any such changes will be reported in subsequent
revisions or Technical Newsletters.
Requests for copies of IBM publications should be made to your mM representa-
tive or to the IBM branch office serving your locality.
This manual has been prepared by the IBM Systems Development Division,
Product Publications, Dept. B98, PO Box 390, Poughkeepsie, N. Y. 12602. A form
for readers' comments is proVided at the back of this publication. If the form has
been removed, comments may be sent to the above address.
Contents
IBM 29 Card Punch 5 Special Features .................................. 24
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 5 Auxiliary Duplication ............................... 24
Programs ........................................ 5 Card Insertion ..................................... 24
Card Punching ............................... " 5 Character Inhibit ................................ 24
Duplication ...................................... 6 High-Speed Skip ................................... 25
Printing ......................................... 6 Operation ........................ ~ . . . . . . . . . . . . .. 25
Card Design ................................. 6 Programming a High-Speed Skip . . . . . . . . . . . . . . . . . . .. 25
Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8 Interspersed Gangpunch ............................. 25
Keyboards ....................................... 9 Variable-Length Card Feed .......................... 26
Operating Features ................... ........ 9 Machine Settings ................................. 26
Card Hopper ....................... , . . . . . . . . . . . . .. 9 Operation ....................................... 26
Punch Station .................................... 9 Desk Extension .................................... 28
Read Station ..................................... 10 Self-Checking ...................................... 28
Card Stacker .......... . . . . . . . . . . .. . . . . . . . . . . . . . .. 10 Modulus 10 ..................................... 30
Main Line Switch ............................... " 10 Modulus 11 ..................................... 30
Reading Board Desk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 10 Self-Checking Number Generator ................... 31
Backspace Key ................................... 10
Program Unit .................................... 10 Program Card Preparation . ..................... " 33
Program Control Lever. . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11 Programming Common to All Models ................ 33
Column Indicator .......................... 11 Programming the Model B ......................... 33
Pressure-Roll Release Lever. . . . . . . . . . . . . . . . . . . . . . . .. 11 Programming the Model C ... . . . . . . . . . . . . . . . . . . . . .. 33
Chip Box and Fuses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11 Program Two used for Alternate Programming. . . . . . . .. 33
Keyboards ..................................... '" 11 Multiple Functions ................................ 34
Programming the IBM 29 Card Punch . ............. 13 Program Planning Card Form ...................... 34
Program Card-Model A ......................... " 13 Program Example ................................. 34
Program Card-Model B. . . . . . . . . . . . . . . . . . . . . . . . . .. 13
Program Card-Model C. . . . . . . . . . . . . . . . . . . . . . . . . .. 14 Operating Suggestions. . . . . . . . . . . . . . . . . . . . . . . . . . .. 37
Program Drum ................................... 15 Engaging the Program Reading Mechanism. . . . 37
Starting a Punching Operation ...................... 37
Operations ....................................... 16 Stopping a Punching Operation ..................... 37
Inserting Cards Manually ..... . . . . . . . . .. 16 Clearing the Card Bed ........................... " 37
Numeric Punching with Program Control 16 Removing a Card from the C