| 摘要 |
<p>A function monitor ( 10 ) broadly comprises a detector ( 14 ) to sense a condition, a transmitter ( 18 ) to monitor the detector ( 14 ), and a base unit ( 20 ) to receive a status signal from the transmitter ( 18 ) indicative of the detector's status. The detector ( 14 ) may comprise a pressure switch, a position switch, a level switch, a temperature switch, and/or virtually any device that may be used to electrically monitor the condition. The transmitter ( 18 ) preferably receives power through a wireless connection to the base unit ( 20 ). The base unit ( 20 ) preferably receives the status signal from the pallet transmitter ( 18 ) over the wireless connection and actuates a output ( 30 ) according to the status signal. The output ( 30 ) that may be used to warn an operator of the condition, or take other necessary actions, such as preventing a pump from running.</p> |
