Croos Pump (Shanghai) Co., Ltd.

Debug the Circuit of the Irrigation Pump

1. Static debugging first and then dynamic debugging

The static debugging generally refers to a DC test carried out without input signal or a fixed level signal. The potential of each point in the circuit can be detected by a multimeter. Then, we compare it with the theoretical valuation, and determine whether the DC working condition is normal and find the components in the circuit that have been damaged or in a critical working state in time. Dynamic debugging is carried out on the basis of static debugging, and the appropriate signals are added to the input end of the circuit to detect the output signal of each test point in the direction of signal flow. If abnormality is found, the reason should be analyzed, the water pump failure should be excluded, and then the adjustment will be made until the requirements are met.

2. Local debugging first and then overall debugging

In general, a circuit is composed of several functional modules, and the function of the whole circuit is an organic combination of functions of each module. Only the function of each module meets the design requirement, the whole circuit can be designed successfully.

3. Open loop debugging first and then closed-loop debugging

For the bidirectional reversible data transmission circuit such as telemetry terminal subsystem, the open loop debugging is generally performed before the closed-loop debugging is performed. The so-called "open loop debugging" refers to the selection of a number of links in the signal transmission path, and then the input side of the passage is encouraged. Then the output can be observed to meet the design requirements of the centrifugal pump, otherwise the corresponding measures will be taken to achieve the target. The so-called "closed-loop debugging" means that the corresponding links in the bidirectional reversible circuit are first connected (and the subsequent ones are temporarily isolated), and a closed loop is formed to investigate whether the reversible module in the pathway can work normally. The selection of closed loop generally starts from the communication interface of the circuit, from small to large, covering the whole circuit.

4. Debug with single point first and then multi-point

The above step debugging is a single point of debugging, and then the single point of debugging is completed, and we can do more debugging after we are sure that the circuit is functioning properly.The term "multi-point debugging" means that two or more endpoints that need to communicate are connected and an endpoint sends a signal, and the other endpoints receive signals and then check whether the sending and receiving are correct and whether they meet the various indicators.
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