Encoder rpm

How many pulses come per second at the maximum speed of the belt ?

At what interval should the output value be updated ?

In which speed unit should the value be displayed ?

(translated with Google)

Hello gt32ft4,

For the task described, it is best to use the threshold switch.Since you want to update every two seconds, set the "G_T" parameter to two seconds. The display value is then calculated as follows:

Logo input pulses * 60 s / gate time "G_T" / pulses per revolution of the incremental encoder.

However, if the incremental encoder delivers too many pulses per revolution, the Logo may no longer be able to process them. Since you didn't provide any information about the gear ratio for the incremental encoder, I used the value 1 for it (1 revolution = 1 pulse)

Greetings Ella_68

(translated with Google)

- At 1155 rpm that would be 19.25 ups.

- 19.25 and an incremental sensor of 1:100 that would be 1925 pulses per second.

- 1925 pulses * 2 seconds sampling frequency = 3850 pulses per 2 seconds.

This is possible with the logo.Therefore just set the value P4 from B002 to 100 (see example).

Ella_68

New question published by Thien Tam is split to a separate thread with the subject Which input pin can be used to read the high speed pulse signal sent by the encoder?.

Best regards
Jen_Moderator