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6 Incremental Encoder Input Units
NX-series Position Interface Units User’s Manual (W524)
6-9 Functions
6
6-9-11 Pulse Period Measurement
Pulse + Direction Inputs
The period between pulse input edges is measured regardless of the count direction.
Edge detection method Measurement period
Measure every rising edge
Measure every falling edge
Measure every rising and fall-
ing edge
Pulse input
Direction input
Count value
Measure-
ment period
Measurement
period
Measure-
ment period
1210
Pulse input
Direction input
Count value
Measurement
period
Measurement
period
1210
Pulse input
Direction input
Count value
Measure-
ment
period
Measure-
ment
period
Measure-
ment
period
Measure-
ment
period
1210
Mea-
surement
period
Mea-
surement
period