System in order to monitor the operation of the transducers of the input of a unit central control and monitoring for machines and / or devices can be used in the production lines and / or lines for packaging products

摘要

System in order to monitor the operation of the transducers of the input 22 a, 60 of a unit central control and monitoring 1 for machines and or of the devices which can be used in the production lines and or of the packaging of products. / p & & p & this system comprises first means of circuits 90 for we shall now describe of possible malfunction of these transducers, and second means of circuits 27, 29, 32, operating in order to send a logic signal has two levels of these transducers in the central unit 1 as a function of operating conditions of these transducers.