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Reflective Sensor Heads: FUN Mode Functions
Section 3-5
68
3-5-9
Intensity Mode
The Intensity Mode can be selected either when using distance values for
display and output values or when using the received intensity (light level).
When the Intensity Mode is entered, the following are changed: Threshold
values (HIGH and LOW), hysteresis (hysteresis width), self-trigger level,
monitor focus function values, and the data for the received amount.
Note:
Set the gain switch to
when using Intensity Mode.
3-5-10 Differentiation Function
The differentiation function is used to convert variations in measured val-
ues into output values. Use it for measurements that monitor changes in
measured values, such as counting the number of sheets.
When the Differentiation Mode is enabled, the number of cycles (measure-
ment periods) to be compared can be set. (1 cycle: 150
µ
s )
Example: Measured Values and Differentiation Values
The variation in the measured values indicates the difference
between the previous and current measured values. This value will
decrease when the number of samples to average is increased.
Measured value
Only the measured values for " " are compared.
Number of samples
to average = 1
For 10 cycles
10 cycles
Differentiation value
Time
Time
Differentiation value changes
because of the difference
in the measured values.
Differentiation value changes
because of the difference
in the measured values.
Differentiation value is zero
because there is no difference
in the measured values.
Example:
(Note: Default
setting =
5,000 cycles)
POINT
Z157-E1-01C.book Page 68 Thursday, August 31, 2006 5:13 PM
Содержание ZX-CAL
Страница 1: ...Smart Sensors ZX Series Operation Manual Cat No Z157 E1 02 OMRON Corporation ...
Страница 20: ...xvi Z157 E1 01C book Page xvi Thursday August 31 2006 5 13 PM ...
Страница 48: ...Outline of Functions Section 2 5 28 Memo Z157 E1 01C book Page 28 Thursday August 31 2006 5 13 PM ...
Страница 160: ...FUN Function Mode Section 4 5 140 Memo Z157 E1 01C book Page 140 Thursday August 31 2006 5 13 PM ...
Страница 166: ...Setting Problems Section 5 2 146 Memo Z157 E1 01C book Page 146 Thursday August 31 2006 5 13 PM ...