Omron K3HB-C User Manual page 75

Section 5 Functions and Operations
■ F6: Passing Time
5-14
Measuring Conveyor Line Passing Time
Operation Configuration (Application)
• Basic Operation
The cycle of the input pulse (1/Hz) of input A is measured and
displayed.
The passing time is displayed in the desired unit by setting a
prescale value.
• The measurement value can be obtained using the following
formula:
D = 1
fa
fa: Frequency A (Hz)
: Prescale value A
D: Passing time
rpm = Input frequency
Number of pulses per rotation
Circumferential speed = Roller circumference ( d)
Length of processing stage
Passing time =
Circumferential speed
Referring to the following table, specify the prescale value
corresponding to the desired display unit.
Calculated value
Passing time
N: Pulses per rotation
d: Circumferential length per rotation
L: Length of processing stage
* When fa is , an overflow at the upper limit will be displayed.
Distance
H
PASS
L
Alarm outputs
1
rpm
Prescale value
Display unit
s L/( d/N)
(