FAQ automation technology
NO means Normally Open
NC means Normally Closed
These figures relate to the situation when the power supply to the actuator fails (= normal position). Then, the spring inside the actuator moves the valve into the rest position.
- Control tops always indicate only a 0 or 1 signal, ie. the end position.
- Positioners indicate the position from 0-100 %, with intermediate positions.
Note: This section will be updated regularly.
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