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TRD series totem pole output, How long used the cable

Question

Question

It is necessary to extend the TRD- □ -RZ cable by about 20m. Is it possible?

Answer

Answer

The totem pole output used in the TRD series has a low output impedance in both “H” and “L” levels, so it is an output format that is relatively resistant to external noise, but it is not affected by noise. is not.
The effect of noise varies depending on the installation location, depending on the type, layout, and wiring conditions of the surrounding electronic devices.
The effect of electrical noise is mainly an erroneous count on the counter side.
The longer the cable, the greater the effect of noise and the disturbance of the output waveform.
Depending on the installation environment, it cannot be said that the operation will be affected by the number of meters or more.
To prevent erroneous counting, make the cable as short as possible, separate the wiring from the power line, and keep it away from the power equipment.
Also, please consider using TRD- □ V, which is a line driver output that is less susceptible to electrical noise than the totem pole output.

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