Description: Direction of movement (sense of rotation) of the pump during rotation, viewed from the drive onto the shaft; Name: Direction of rotation of the pump
Description: Motion direction (rotating direction) of the pumpe in the case of rotation seen from drive to shaft; Name: Rotational direction of the pump
Description: variable quantity, which is not influenced by the control but is introduced into the control system from outside with the aim of making the final controlled variable follow it in a given relationship; Name: command variable