INDUSTRIAL CONTROLLERS COMPRISING A DIGITAL COMPUTER FOR PERFORMING THE FUNCTIONS OF CONTROL LOGIC, RELAYS, TIMERS, COUNTERS, SEQUENCERS, CALCULATORS, SHIFT REGISTERS, AND STEPPING MOTOR CONTROLS; PROGRAMMING PANELS; TELEPHONE INTERFACES; COMPUTER INTERFACES, INTERFACE ADAPTER MODULES AND HOUSINGS; MONITOR PANELS; PROGRAM LOADERS; PRINTED CIRCUITS-NAMELY, REGISTER, SIGNAL CONDITIONING, OUTPUT, AND TELEPHONE COUPLER CIRCUITS; AND PARTS THEREFOR

'adapt':32 'calcul':18 'circuit':42,51 'circuits-nam':41 'compris':3 'comput':6,29 'condit':46 'control':2,12,24 'counter':16 'coupler':50 'digit':5 'function':10 'hous':35 'industri':1 'interfac':28,30,31 'loader':39 'logic':13 'modul':33 'monitor':36 'motor':23 'name':43 'output':47 'panel':26,37 'part':53 'perform':8 'print':40 'program':25,38 'regist':20,44 'relay':14 'sequenc':17 'shift':19 'signal':45 'step':22 'telephon':27,49 'therefor':54 'timer':15

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