Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1992-10-13
1995-02-07
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
174 35R, 174 51, 361730, 361731, 361736, 361753, 361785, 361796, 361799, 361800, H05K 900, H05K 714, H01R 2368
Patent
active
053880307
ABSTRACT:
The input and/or output device for process data has a mounting rack (1), as well as a plurality of modules (2) fastened on the mounting rack (1). A process connector (4) can be inserted into each of the modules (2) on the front side in each case. Each module (2) has a circuit board (17) which is arranged in a housing (8), as well as a terminal strip (18) which is connected non-positively to the process connector (4). The terminal strip (18) serves to receive contact pins (26) which interact with contacts of the process connector (4). The input and/or output device is intended to demonstrate a high degree of operational reliability even in the case of a high level of mechanical and electromagnetic stresses. This is achieved in that the module housing (8) is predominantly formed from metal plate and has lugs (21, 22, 23) formed out of the metal plate which serve to carry the circuit board (17), some of which lugs are electroconductively connected to a conductor track (32) of the circuit board (17), and in that the module housing (8) is in contact with a metal part of the mounting rack (1) which is at ground potential.
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Gasser Markus
Hansli Markus
Schilling Robert
Schneeberger Stefan
Asea Brown Boveri Ltd.
Picard Leo P.
Sparks Donald A.
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