Connector for sensor
Stem

This safety control unit, conform to the european safety standards, is
designed for the control of one or two sensors. The whole system is
homologated for safety category 1 or 2 (for further information see the
manual).
The safety control unit receives signals from the connected sensors and
provides an output relay signal with triple redundancy; this feature allow
to assure the correct and safe function also in the event of two
simultaneously faults.
The control unit is provided of 3 LEDs that show the presence of the
supply voltage and the correct functioning of the connected sensors.
Self-check is not performed.