12 - ET8/480, ET8/480S and ET8/480PT - TECHNICAL MANUAL
8.3 Connection of the inputs
Note: Inputs programming as NC lowers the level of performances from 2nd to 1st.
8.4 Connections for control inputs
Diagrams for the specific connection of an input for control of the control unit or part of it.
Note: The external source enabling command must be given as impulse by using a device of the same level or higher
installed inside the control unit housing and connected to an appropriately programmed line.
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