technology
No display on the screen

 most electronic counters require external power supply. If the supply voltage is incorrect, the counter display is likely to be abnormal. Therefore, if there is no display on the counter, you ought to check whether the direct current, alternating current and voltage values of the supply terminal meet the relevant requirements of the counter.



None counting

 this situation happens frequently. The reasons may include: poor connection in the counting terminal; the voltage and current of the counting semaphore fail to satisfy the requirement of counting parameters.



Excessive counting

 it may be due to unstable semaphore or strong interference around. You ought to adjust the input signal or change the input pattern of the counter to low frequency counting.



Insufficient counting

the reason may be that the frequency or range of the counting semaphore is unmatched with the countering parameter; the coefficient setting of the counting ratio is incorrect.



Inaccurate length measurement

  if the actual measure length of the length counter is inaccurate, it may be resulted by relative slip of the transmission part and measuring equipment as well as incorrect coefficient setting of the counting ratio.



No signal output

the output contact is burnt or the output settings are incorrect.



The mechanical counter makes excessive noise

the reason may be that the installation site of the counter is ill-suited, so the transmission part is not smooth; the service life of the counter is too long that the inner bodies have blemishes and require repairing in the factory.



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