Printing press programmable logic controller conversion method

Details Printing press programmable logic controller conversion method Printing press programmable logic controller conversion method

1996-08-30

1998-04-07

Hilten, John S.

Printing

Press part or attachment

361686, B41F 156

Patent

active

057352135

ABSTRACT:
A printing press programmable logic conversion apparatus and method involves the replacement of a series of OEM relay logic printed circuit boards with a single programmable logic controller or PLC. The PLC is connected into a rack which includes a plurality of male edge connectors attached together and spaced apart to replace the OEM PC boards. The PLC is preprogrammed to emulate the replaced OEM PC boards such that, by removing the OEM PC boards and simply plugging in the PLC rack in their place, an older press can be converted to PLC control within a matter of minutes.

REFERENCES:
patent: 3925710 (1975-12-01), Ebert
patent: 4744006 (1988-05-01), Duffield
patent: 4784060 (1988-11-01), Weisgerber et al.
patent: 4918335 (1990-04-01), Chall, Jr.
patent: 5099391 (1992-03-01), Maggelet et al.
patent: 5320040 (1994-06-01), Simeth
patent: 5353198 (1994-10-01), Kabat et al.
patent: 5541810 (1996-07-01), Donhauser et al.
Keyence Corporation, KV Series Super Micro PLC User's Manual for Models KV-300 and KV-10 to KV-80 Programming Manual for KV Ladder Software, published in 1995.

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