HI
in reference to PETER article about INCREMENTAL ENCODER (BELOW) how the logic of the rising and falling edges of pulses are done in plc
Thanks you all
Incremental encoders are usually specified as having a certain number of lines, or pulses, per revolution but this is just for one of the phases. Standard practice is to count the rising and falling edges of the two pulse streams rather than just counting pulses. Counting these edges, Figure 2, achieves a position resolution of four times the line resolution. In addition to the two A and B pulse streams, a Z index output normally pulses only once per revolution and often is used in homing.
in reference to PETER article about INCREMENTAL ENCODER (BELOW) how the logic of the rising and falling edges of pulses are done in plc
Thanks you all
Incremental encoders are usually specified as having a certain number of lines, or pulses, per revolution but this is just for one of the phases. Standard practice is to count the rising and falling edges of the two pulse streams rather than just counting pulses. Counting these edges, Figure 2, achieves a position resolution of four times the line resolution. In addition to the two A and B pulse streams, a Z index output normally pulses only once per revolution and often is used in homing.
