IBM 1132 Theory Of Operation Download | Manualshive

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Summary of Contents for 1132

Page 1: ...intended for internal use only and may not be used by other than IBM personnel without IBM s written permission Specifications contained herein are subject to change without notice Revisions and or su...

Page 2: ...al is intended for internal use only and may not be used by other than IBM personnel without IBM s written permission Specifications contained herein are subject to change without notice Revisions and...

Page 3: ...IBM Wiring diagrams logics at the engineering change level of that specific machine are included in each machine shipment fhis manual Form Y26 3622 1 is a reprint of the former edition Form 227 3622 1...

Page 4: ...Ribbon Feed Ribbon Reverse 2 5 2 6 2 7 CONTENTS Carriage Drive Unit 2 7 Continuously Running Mechanism 2 7 Clutches 2 7 Interposers 2 7 Platen Clutch Knob 2 8 Carriage Reading Brushes 2 10 Vernier 2...

Page 5: ...IBM 1132 Printer NOTE The illustrations in this manual have a code number in the lower corner This is a publishing control number and is not related to the subject matter iv...

Page 6: ...code to be sent to the CPU The routine compares this code with each character in the output record Each time an equal is en countered a bit is stored in the printer scan field For example if the firs...

Page 7: ...cycles taken If a scan cycle is taken when the printer scan field has only a bit in position 128 no print magnets are energized and the scan cycle is an idle scan cycle Bit 128 must be present to pre...

Page 8: ...Restore and Carriage Stop Forms Control Instructions On line forms feeding is under control of the using system program instructions A brief description of typical instructions follows Sense Device Th...

Page 9: ...er or not the forms are moved Carriage Space Pressing this key advances the forms one space The key is not effective when the machine is in a run status Carriage Stop Pressing this key stops a carriag...

Page 10: ...when inserting new forms or when reposi tioning a form The pressure release lever Figure 1 5 Left Side of Carriage should always be in the released position when the forms tractor is being used Figure...

Page 11: ...els Tape channels are punched to control various functions 1 Channels 1 through 6 are used to stop the form skip to as designated by the pro gram Channel 1 is normally punched for the first printing l...

Page 12: ...t wheels and print wheel drive gear turn continuously When the print magnet is energized the print clutch dog is released and engages a flute of the prin clutch shaft The print cam turns and the high...

Page 13: ...tinuously running print clutch shaft The dog starts driving the print cam and after the cam has 2 2 Print Wheel Hanger f rint Wheel turned approximately 3 4 of a revolution the high lobe drives the pr...

Page 14: ...mature Print Magnet Assembly Figure 2 3 Print Magnet Energized Print Clutch Latch Free To Operate Magnetic Armature Knockoff Lever _______ Knockoff Lever Compression Spring Armature Knockoff Spring La...

Page 15: ...n a lug on the hanger is guided by a slot in the hanger guide During this time the print wheel tends to pivot about its point of contact with the print wheel drive gear Figure 2 6 This causes a second...

Page 16: ...and the amplifier output signal is sent to the using system This signal may be used in the system circuits Both lamp and solar cell supports can be pivoted on the shaft for alignment RIBBON FEED AND...

Page 17: ...Consequently any movement of the ribbon feed pawl is transmitted to the ribbon feed ratchet wheel causing the ribbon spool to turn clockwise and wind the ribbon on the spool While this action is taki...

Page 18: ...ll force the ribbon reverse detent roller of the right ribbon feed operating arm back to the original posi tion of the operating arm This causes the ribbon to reverse and travel in its original direct...

Page 19: ...Meshed to Worm on Drive Motor Cam Shaft Drive Gears Detent Wheel Figure 2 13 Carriage Drive Unit Removed from Carriage 2 8...

Page 20: ...r spacing or skipping To operate a clutch engaging arm an in terposer must be positioned between the T lever and the clutch engaging arm The selection of the low and high speed interposers is determin...

Page 21: ...o Figure 2 15 Carriage Drive Unit 2 10 Detent Wheel detent lat ch Also at the right end of the shaft part of the carriage circuit breaker and the brush com mutator may be seen The platen clutch lever...

Page 22: ...tent and holds the detent teeth in alignment with the three teeth on the platen 1rive gear Turning the platen clutch knob to the left allows the teeth to remesh and also raises the detent pin which is...

Page 23: ...Figure 2 17 Platen Vernier 2 12 Vernier Pinion Knob I Platen Knob Vernier Pinion Collar sembly and the teeth of the platen drive shaft gear Note that there are three bevel gears in the vernier pinion...

Page 24: ...onditions a magnet driver which energizes the interposer magnet Carriage Magnet Select This line conditions a mag net driver which energizes the carriage magnet Use Meter Select This line causes curre...

Page 25: ...single space uses the clutch magnet only and it is energized by activating the carriage magnet select line to the 1132 This line may be activated from an instruction or by receiving a carriage space...

Page 26: ...r scan until approximately 1 78 ms after the start of the CB Clock pulse The print magnet driver circuit is similar in oper ation to a gaseous grid controlled tube circuit thyratron When a pulse is ap...

Page 27: ......

Page 28: ...ally open Kl 1 and Kl 2 points CHAPTER IV POWER SUPPLIES AND SEQUENCING is to supply ac to the 1132 drive motor and the input to the multi output transformer K1 3 n o points close the circuit to 48 vd...

Page 29: ......

Page 30: ...ls Carriage 1 4 Platen Clutch Knob 2 8 Power Sequencing 4 1 Power Supply 4 1 Print Cam Mechanism 2 2 Print Emitter 2 4 Printer Entry Lines 3 1 Printer Exit Lines 3 1 Print Magnet Circuits 30 3 Print M...

Page 31: ......

Page 32: ...rstand D D Organized for convenient use D D Complete D D Well illustrated D D Written for your technical level D D What is your occupation How do you use this publication As an introduction to the sub...

Page 33: ...TAGE STAMP NECESSARY IF MAILED IN U S A 1ltention Product Publications Dept 455 POSTAGE WILL BE PAID BY IBM Corporation Monterey Cottle Rds San Jose California 95114 FIRST CLASS PERMIT NO 2078 SAN JOS...

Page 34: ......

Page 35: ...e m UJ o Ul I I I I I I cut here _j Y26 3622 1 rn l ntematianal Business Machines Corporation ield Engineering Division 12 East Post Road White Plains N Y 10601 OJ N...

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