Circuit for monitoring switch position for switches, comprises switch packet with four limit switches for monitoring with monitoring voltage, where monitoring voltage is movably applied in time to two different terminal points

摘要

The circuit comprises a switch packet (9) with four limit switches (S1 to S4), which are provided for monitoring with a monitoring voltage (8). The monitoring voltage is movably applied in time to two different terminal points (1 to 4) of the point mechanism by two different channels (6,7). The monitoring signals tapped by two separate inputs (DE2,DE3,DE4) are acquired by each channel simultaneously. The terminal points are selected for inputting and reading the monitoring voltage, such that the two individual queries results in different reporting images at any point position. An independent claim is included for a method for operating a circuit for monitoring switch position for switches.