G - Physics
05
B
342/21
G05B 24/02 (2006.01) G05B 19/08 (2006.01)
Patent
CA 1096961
CHEMICAL ANALYZER ABSTRACT OF THE DISCLOSURE To control a chemical analyzer, a program counter sequen- tially energizes the row conductors of a bus-bus type program card, with the columns being connected to a command interpreter prearranged to distinguish between commands not requiring a data input and commands that require a data input. Commands re- quiring a data input automatically permit sequencing to the next command which is a data readout while inhibiting the out- puts from the conductors that provide commands for operations not requiring data such as the operations of raising and lowering pipettes or moving chemical receptacles one position. The data is read through a decoder while the sequencing is temporarily inhibited and the command outputs are inhibited. An additional command is provided by a direct signal from the program counter with no conductive connection between the rows and columns of the program card.
294280
Instrumentation Specialties Company
Johnson & Hicks
LandOfFree
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