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1 Introduction
Additional Information
As a general guideline it can be stated that if you want the timing requirements for the Counter
Inputs to satisfy the above mentioned specifications, you must pay attention to the type of output
driver of the encoder being used, the length of the encoder cable and the frequency of the count
pulses generated. For example, if you use an Open Collector encoder (e.g. E6B2-CWZ6C) at 24
V with 10 m cable, you can typically generate count pulses up to 20 kHz. Therefore, if you want
to generate count pulses with higher frequencies, you should use a different type of encoder
1
(e.g. E6B2-CWZ1X with Line Driver output or a fast push-pull 24 V encoder, e.g. E6C2-
CWZ5GH) or reduce the length of the encoder cable.
CJ-series 4-Channel Counter Unit Operation Manual for NJ-series CPU Unit (W512)
1-9
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