摘要 |
FIELD: physics. ^ SUBSTANCE: disclosed is a device for controlling a contact sensor, which has an electronic relay, first and second diodes, first and second resistors, first and second switches, an electronic switch, a line for communication with the controlled contact sensor, power buses, a stabilitron, the output of the device and first and second inputs of the device. ^ EFFECT: high reliability and broader functionalities of the device owing to separation of power circuit of the device and the relay blocking circuit. ^ 2 cl, 3 dwg |