| 摘要 |
PROBLEM TO BE SOLVED: To provide an operation control system for a plurality of pump tanks capable of using a single pressure feed pipe in a plurality of pump tanks on a residential lot in common to discharge domestic sewage stored in each pump tank on the residential lot into a main pipe smoothly. SOLUTION: In a plurality of pump tanks 11 to 15, discharge pipes 17 are connected with the single pressure feed pipe 1 connected with the main pipe 3. The plurality of pump tanks 11 to 15 are provided with controllers (slave machines) 22 to 25 having a pump control function and a communication function individually. Each of the controllers 22 to 25 is mutually connected by wire telegraphy or radiotelegraphy. A main controller (master machine) 21 having a function for monitoring conditions of the pump tanks 11 to 15 and a communication function is provided. The main controller (master machine) 21 monitors conditions of each of the controllers (slave machines) 22 to 25 to operate and control pump 16 of each pump tank 11 to 15 through each controller (slave machine) by signals from the main controller (master machine) 21. COPYRIGHT: (C)2003,JPO
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