Thermocouple - Siemens S120 PM240-2 Manual

X121.7 isn't the command for emergency downward travel in the event of a power failure! It
cannot be used to open the valve in case of lack of power.
The outputs (DO) are signals +24V that guarantee maximum 0,5A and can't be able to directly feed the coils!
7.6

THERMOCOUPLE

For a proper operation of the inverter and in order to ensure the temperature compensation, must be
connected a thermocouple PT100 and its transmitter amplifier to the terminals X131.7 and X131.8 of the CU.
OMARLIFT deliver as standard a thermocouple and an amplifier from SENECA company.
Amplifier technical data:
7-4 Siemens PM240-2_EN_rev00-30082019.docx