IBM 80 Customer Engineering Manual Download Page 1

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Summary of Contents for 80

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Page 2: ...struction Issued to _ _ _ _ _ _ _ _ _ _ _ __ Branch Office _ _ _ _ _ _ _ _ _ _ _ Department _ _ _ _ _ _ _ _ _ _ __ Address _ _ _ _ _ _ _ _ _ _ _ __ Card Sorting Machine If this manual is mislaid pleas...

Page 3: ...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 fo...

Page 4: ...terlock Contact 41 Counting Commutators 41 Slate Base Relays 42 CIRCUIT DESCRIPTION 45 elay abi lets and Power Supply Rectifier 45 CountIng Circuits 45 Card Lever Hold Relay 45 Counter Magnets and Rel...

Page 5: ...IBM 82 CARD SORTING MACHINE...

Page 6: ...sands of cards may be involved daily in the taJSk of preparing final reports In most cases these cards must be classi fied properly prior to the preparation of each report on accounting machines Class...

Page 7: ...cket 2 Pocket 1 Pocket Cards now in order in units position FIRST SORT e located between the first and second sets of feed rolls Here the punching in the card column being sorted is sensed by means of...

Page 8: ...e tens position takes place Those cards punched with a 1 in the tens position fall into the 1 pocket the 2 s into the 2 pocket etc By removing the cards from the pockets in ascend ing order as was don...

Page 9: ...in the same manner as above the digits 1 to 9 first followed by sorting of the zone punchings 0 11 and 12 When cards are removed from the pockets following a zone sort the 12 zone cards should be pla...

Page 10: ...holes punched in the card column being sorted are sensed and cause the card to sort to its proper pocket However if the 4 and ocontact bars for example were moved to the center of the commutator sort...

Page 11: ...he contact roll cover Voltage Group Maximum Operating Current Amperes Volts Cycles Phases 1 2 HP 1 3 HP 115 DC 5 0 5 0 230 DC 3 0 3 0 115 25 1 6 5 6 0 115 50 1 7 0 6 5 115 60 1 6 5 6 1 230 25 1 3 7 3...

Page 12: ...4 is punched in the column on which the card brush is set The chute blades are so arranged that when the card has advanced to the position where the card brush makes contact with the contact roll thr...

Page 13: ...Armatur up just before Magne are energized Reject Pocket Fi ure 6 Position of Chute Blades Prior to Sort Magnet Energization Sort Magnet Armature energized Reject Pock t Figure 1 Position of Chute Bl...

Page 14: ...to overcome any residual magnetism present in the sort magnet If the card fed is unpunched in the column being sorted the card brush fails to make contact with the contact roll therefore the sort mag...

Page 15: ...of a spring Disengaging the index head locating nut from the worm screw allows free movement in either direction of the complete index head and brush holder assemblies as a unit Releasing the finger l...

Page 16: ...o the other are internally con nected to the twelve segments on the inner lower ring Nine of these spots representing the digits 1 through 9 may be connected to the digit common on the extreme outer u...

Page 17: ...g to the outer or common ring through the com mutator contact brushes and the contact bar for that position As soon as the trigger tube has been fired a holding circuit to maintain conduction in the t...

Page 18: ...ve shaft as it is cammed to the left rear view by the pin in the shaft striking the ratchet teeth on the handwheel as the shaft revolves In this manner the handwheel does not turn when the machine is...

Page 19: ...Knife Drive located near the handwheel Figure 13 This large gear drives a crank shaft which by means of a con necting link transforms the rotary motion of the crankshaft to reciprocating motion of two...

Page 20: ...cess is repeated for the feeding of all cards Feed Rolls Figure 19 The feed rolls furnish the means of recelvmg the cards from the feed knives and transporting them past the card brush and sort magnet...

Page 21: ...rolls run in removable porous bronze bearings set in the side frames of the machine As stated above some feed rolls are driven from 18 tooth gears while others are driven from 19 tooth gears From this...

Page 22: ...n after the operator removes his finger from the start key The second function is to maintain the sorting circuits during sorting of the last card in the machine Once closed the card lever contacts re...

Page 23: ...tallic conductive coating of low tem perature alloy Where the selenium and the low tem perature alloy meet a barrier layer is formed by a special process It is this barrier layer which permits electro...

Page 24: ...C so that chassis 301639 which is wired to 301701 C may be used pins 6 and 8 must be jumpered in the octal plug to provide a circuit from the cathodes of the 25L6 sort magnet tubes to the negative sid...

Page 25: ...Figure 22 Relay Gate and Electronic Chassis Figure 23 Bottom View of Electronic Chassis 24...

Page 26: ...uns out of cards and the runout capacitor discharges Motor Relay and Drive Motor As soon as the motor control relay is picked by depression of the start key the MC BL point closes and a circuit is com...

Page 27: ...the small amount of current used to control the energization of the sort magnet Before proceeding with tJhe study of the sorting circuits it may be well to review some of the basiC principles of elec...

Page 28: ...s is dependent on the resonant frequency as deter mined by the tank circuit made up of the 05 mfd capacitor and sections A and B of the oscillator coil Because the B section of the coil is in series w...

Page 29: ...e faulty See the voltage chart and notes on wiring diagram 301701 D Static Circuit Conditions Figure 25 Prior to the time that a hole is sensed by the card brush both ends of the 10 000 ohm resistor w...

Page 30: ...gnet With the negative bias removed from the grids of the 25L6 power tubes they immediately conduct prin ciple 6 from the negative side of the line through contact roll cover switch 2 octal plug pin 8...

Page 31: ...Circuits cf 8 11 1 z o u o M j 05 MFD 6 8 CARD LEVER CONTACTS CONTACT ROLL COVER SWITCH 1 RELAY GATE TERM 13 0 0 150 VOLTS RECTIFIED DC SUPPLY APPROX 150 VOLTS NO LOAD FOR AC OPERATION APPROX 715 VOLT...

Page 32: ...t the development of para sitic oscillations in these tubes The 001 mfd capacitor between the cathode and the starting anode of the OA4G serves to by pass transient impulses which may be introduced in...

Page 33: ...ed to close the TD A point is 50 to 60 seeconds The TD BL N C point allows a circuit through the TD heater when the main line switch is turned on 32 After the time delay relay has picked opening of th...

Page 34: ...it is not necessary The capacity of the card magazine is the same as that on the Type 82 machine 550 cards PRINCIPLES OPERATING FEATURES THE OPERATING features on the Type 80 machine are the same as t...

Page 35: ...e electrical principles of the Type 80 machine differ somewhat from those employed in the Type 82 No tubes are present in the Type SO machine there fore the use of a time delay relay to allow time for...

Page 36: ...ripple and steady its output A bleeder resistor is connected across the terminals of the capacitor to bleed off its charge after the main line switch has been turned off 35 Since the circuit to the pl...

Page 37: ...DL o _____ ra c 0N _ BLACK F3 OFF 0 BLACK FOR DC MACHINES ONLY DC GRE EN MOTOR RELAY BOX MAIN LINE FUSES VOLTAGE AC OR DC 115 12A 230 6A RES 115V DC 230V DC ALL AC R l 2 650 n 2 1500 n 2 650 n R 2 JU...

Page 38: ...hole in the card a circuit is com pleted to energize the sort magnet and the brush relay as follows from the plus DC circuit terminal through contact roll cover switch 1 card lever contacts 1 and 2 in...

Page 39: ...act 2 furnishes circuits to the commutator for sorting Card Lever Contact 2 This contact closes as the leading edge of the card leaves the second feed roll Once closed it remains closed during the tim...

Page 40: ...a single column of a card possibly only two holes will be counted when sorting and counting are taking place together When counting is taking place without sorting a maximum of four holes in a single...

Page 41: ...is located on the right end of the counting unit assembly This handle is held in the zero position by means of a detent mechanism To clear the counters the reset lever must be pushed to the rear and...

Page 42: ...he counter reset lever When the counter reset lever is operated during resetting of the counters it causes opening of the reset interlock contact Opening of this contact breaks all machine circuits Co...

Page 43: ...ith the timing of the card as it passes the card brush When the card brush is reading a 9 hole for example the selecting brush of the distributor is made on the 9 contact spot when the card brush is r...

Page 44: ...TAGE AC DC 115 V 12A 150 V 12A 208 V 6A 230 V 6A RESISTOR CHART 115V DC 230VD9 AC 2 6500 2 1500 0 2 6500 JUMPER 15000 JUMPER 1600 3000 1600 47000 0 82000 0 47000 0 33000 33000 33000 47000 0 47000 0 47...

Page 45: ...l relay is a high speed slate base re lay and the card control relay is a duo relay On older machines the card control relay is a high speed slate base relay The counter relay cabinet is accessible fr...

Page 46: ...e circuit to impulse a counter mag net and its relay is as follows from the plus DC ter minal through contact roll cover switch 1 card lever contact 1 commutator 2 commutator 1 for a 9 CL hold AL poin...

Page 47: ...counters will count one each time commutator S makes SORTING CIRCUITS SORTING of cards on the Type 7S machine occurs only when the sort switch is on If the sort switch is off all cards passing throug...

Page 48: ...has insulated the card brush from the contact roll In its closed position this point allows completion of circuits to the cont 3 ct roll through com mutator 2 The AU card lever hold relay point preven...

Page 49: ...s Card Lever Contact 2 This contact closes as the leading edge of the card leaves the second feed roll Once closed it remains closed as long as cards are feeding continuously through the machine and f...

Page 50: ...azine Type 82 machines equipped with an auxiliary card counting device have larger power supply rectifiers than do the standard Type 82 machines Type 80 machines employ the same size rectifier whether...

Page 51: ...the machine a circuit is completed near the end of the card cycle to impulse the card count magnets as follows from DC terminal 14 through contact roll cover switch 2 Rl counter magnets card counting...

Page 52: ...T COUNTER MAGNETS Rl 1 v V r Q 7 MOTOR RELAY CONTACT ROLL COVER SWITCH 2 R6 9 8 7 6 5 3 2 0 11 12 11I liliillililiiljlliliili Ii1ii1Ii lI ICARDBRUSH INNER CENTER SELECTING COMMUTATOR OUTER CARD LEVER...

Page 53: ...isturbing 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...

Page 54: ...istor connected between the cathodes of the 25L6 tubes and the negative side of the line This s megohm resistor is connected across the DC circuit in series with a 1 megohm resistor to form a voltage...

Page 55: ...to wards the center The master cards are identified by means of a significant punch in a specified column or a corner cut on the opposite end of the card from which the corner cuts occur in detail car...

Page 56: ...ADDED WIRING REMOVED II 1 SPLICE r 1 II CARD MATCHING CARD MATCHING II SWITCH 1 SWITCH 1 II C ON ON OFF OFF OFF 0 SELECTOR COMMUTATOR CARD MATCHING SWITCH 2 L _ TD _ _ A__________________OI3 Figure 4...

Page 57: ...ng dia gram is shown in Figure 41 An additional relay chassis which accommodates the circuit components necessary for card matching is mounted on the inner side of the main relay gate at the top Figur...

Page 58: ...of each cycle as long as the OA4G trigger tube remains ignited Sorting Master Cards When a master card is sensed by the card brush the starting anode of the MCM OA4G tube is driven positive thus firi...

Page 59: ...control switches one zero eliminate switch and one select switch On a Type 82 machine the operational control switches are mounted directly below rhe start and stop keys in a special recess in the rig...

Page 60: ...emitted from the brush hubs These selector hubs are internally wired to a selecting commutator which acts as a rotary switch to direct impulses to perform the proper function with in the machine depe...

Page 61: ...y the brushes would be wired consecutively for information punched in adjacent columns The digits representing a number or the combinations of digits and zones representing letters to be selected are...

Page 62: ...SOR1 10 9 8 BRUSHES The zero elimination operation requires the use of the multiple brush in place of the standard card brush To avoid unnecessary wear on both the brush and the cards the multiple br...

Page 63: ...nd the single sort brush replacing the multiple column brush sorting can be accomplished in the normal manner INTERNAL CONTROLS IN ADDITION to the external controls several internal mechanical and ele...

Page 64: ...g a Selected Value Figure 49 When a multiple column brush senses a value in the card which corresponds to the value of the selector hub to which the brush is wired a positive voltage is ap plied to th...

Page 65: ...o ON ZERO EliMIN TE 2 l OFF 2JOyDC 2 lIoon lloo Q IJOO Q oISOO Q C 2 3SO Q OPEN JUMPER 2SOOn REMOVE ELECTRONIC CHASSIS SSEMBlY 301639 ADD ELECTRONIC CHASSIS ASSEM8lY 260282 I SORT MAGNET CONTROL 9MFD...

Page 66: ...of the OA4G Application of this positive pulse fires the OA4G immediately and the tube remains in conduction until near the end of the cycle when commutator 2 breaks Although firing of the OA4G immed...

Page 67: ...D21 tube through common brush 13 and the two 500K resistors This pulse cancels the negative bias on the grid of the 2D21 causing it to fire and pick up the R ZE relay The tube remains in conduction an...

Page 68: ...tator 3 Circuit Cutout Relay The circuit cutout relay is controlled by an inter lock contact on the multiple column brush unit and a microswitch which is operated by the plastic cover over the control...

Page 69: ...r side rail of the machine Figure 51 shows the location of this brush on a Type 82 machine On a Type 80 machine this brush is located on the front or rear card magazine side plate On either type of ma...

Page 70: ...l electronic chassis time delay relay and several necessary resistors are mounted on the rear of the relay gate as shown in Figure 53 Type 82 machines equipped with the Figure 52 Internal Controls Gro...

Page 71: ...unt around commutator 2 thus main taining a positive potential on the anode of the MCC tube and keeping the MC relay energized until the end of the master card cycle when the center brush breaks Commu...

Page 72: ...USH BETWEEN CARDS I WITHOUT CORNER CUTS I COMMON PLATE IMPULSE FROM MASTER CARD LEADING CORNER CUT CONTACT TE HERE RAil BRUSH BREAKS FROM COMMON PLA CARDTRAvt v MASTER CARD PRECEDING CARD 1 I I I I I...

Page 73: ...e de energized to clear out previous information the MCR point sets up a circuit to the selecting commutator and the contact roll for sorting the master card and com mutator 3 re applies anode voltage...

Page 74: ...are reset manually by turning the crank at the right side of the counting unit It is necessary to depress the detent lever located on the front of the unit before the crank may be operated The detent...

Page 75: ...and imme diately pick the memory relays The tube and relay chassis is located under the stackers On the second cycle an impulse to the counter net work through the transferred memory relay points ener...

Page 76: ...condary Coil 6 3 V II Figure 59 Schematic of Filament Voltage Transformer With the resonant winding saturating the lower core more lines of flux are available than can pass through the lower part of t...

Page 77: ...R118 A circuit to the time delay relay R52 is also established allowing the pick of this relay when the bi metallic contacts make Picking R52 completes the circuit necessary to interlock the 978 with...

Page 78: ...Schematic 48 Volts Counler Switch t R51 Counter Switch Iaut Rl13 and Rl18 Switch R52 Thermal Delay R5411lterlock 53 aL r f Start Key A f T Motor Control 52 au R53 Runout Delay Me au Motor Relay 53 au...

Page 79: ...A 6W Sw 113 6 048V M350 B300 Octal Plug 04 150V OV 6 3V _ I IVI A Q 113 1 Card Brush Cl M351 B276 011 Sw 00 Sw 113 S Figure 63 Sort and Count Schematic 81 Digit Memory OV I P V I 40V Bias Octal Plug A...

Page 80: ...RIOI through R112 digit memory are picked by corresponding counter tubes R L0L R110 R1L1 and Rl1 2 are picked as soon as the corresponding tube is fired_ RI02 through R109 pick after 190 C10 in the cy...

Page 81: ...he counter switch is on Rl14 4 is not used R115 tube transfer is controlled by C10 190 0 2840 with the counter switch on R115 is used to transfer digit memory from counter tubes to relays for digits 2...

Page 82: ...t spans 9 through 12 time during counting C1 also completes the circuit to the main anode of the OA4G when counting is taking place C6 3400 265 installed if machine is not equipped with MCS device is...

Page 83: ...33 115 II 1 1 J J _I2 L _ _ J 7 1 CON UCTING 10 I 23 37 105 a1 1 9 23 1 32 113 60 17 1 2 40 TIr lE CHART I CARD PICKED UP BY FEED ROLLS CARD WIDTH 6 i BETWEEN CARDS E J OF 3 SHEETS 301700 3017010 In...

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