Arrangement comprising a system providing movement, processing and/or production
First Claim
1. A distributed control system for performing functions at a plurality of physically separated function points, conprising:
- (a) at each function point;
(i) actuating means for carrying out a specific function; and
(ii) function control means for controlling said actuating means, said function control means including a programmable microprocessor having an associated memory and interface, said microprocessor being configurable to provide a selected control function for controlling one of a plurality of different types of actuating means;
(b) at least one of said function points comprising;
(i) a sensor connected to said actuating means and to an input of said function control means, and forming a continuous feedback loop;
(c) a common computer connected to the function control means of each function point through a first common connection loop, said computer comprising;
(i) means for transmitting, during a start up phase, a first set of digital signals for configuring the function control means of each function point to provide a selected control function; and
(ii) means for transmitting to the function control means of each function point, during an operating phase, a second set of digital signals comprising operating commands for the specific function to be carried out by the actuating means controlled by said function control means; and
(d) means for supplying energy to said actuating means through a second common connection loop.
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Abstract
In a system for the performance of a plurality of functions, each of the functions is allocated its own function control member comprising a microprocessor with the associated peripheral equipment, and one or more actuating devices. Each control member is capable of providing the control for functions of two or more types, and the different control members are mutually interchangeable. The control members are connected in one or more first wiring loops, each of which is connected to a main computer. The signal transmission in the first loop is performed digitally and in series. The transmission of the signals includes first signals emanating from a basic or operative program in the main computer, said first signals are transmitted during a start-up phase for the system and comprising for each control member information in respect of its adjustment in relation to a function control which is applicable to the type of function and/or the variation in the type of function effected by the control member during an operating phase which follows the start-up phase. The signal transmission also includes second signals emanating from a user program entered in the main computer, which second signals are transmitted in a cyclical fashion and which contain continuous information for each microprocessor relating to the manner in which the function served by the microprocessor is to be controlled. The actuating means are supplied with energy via one or more second wiring loops, each of which is connected to an energy source.
78 Citations
11 Claims
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1. A distributed control system for performing functions at a plurality of physically separated function points, conprising:
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(a) at each function point; (i) actuating means for carrying out a specific function; and (ii) function control means for controlling said actuating means, said function control means including a programmable microprocessor having an associated memory and interface, said microprocessor being configurable to provide a selected control function for controlling one of a plurality of different types of actuating means; (b) at least one of said function points comprising; (i) a sensor connected to said actuating means and to an input of said function control means, and forming a continuous feedback loop; (c) a common computer connected to the function control means of each function point through a first common connection loop, said computer comprising; (i) means for transmitting, during a start up phase, a first set of digital signals for configuring the function control means of each function point to provide a selected control function; and (ii) means for transmitting to the function control means of each function point, during an operating phase, a second set of digital signals comprising operating commands for the specific function to be carried out by the actuating means controlled by said function control means; and (d) means for supplying energy to said actuating means through a second common connection loop. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification