3
1-point teaching (window comparator mode)
This mode is used for setting the threshold range for the distance from the
reference value of the sensing object by performing a 1-point teaching. This
mode is used for sensing within the threshold range.
When performing the 1-point teaching (window comparator mode), preset
“Window comparator mode 1” in the sensing output setting of the PRO
mode. For the setting method, refer to section 12, “PRO mode setting.”
ON
OFF
OFF
Sensing object
Threshold 2_SL
Reference surface
Threshold 1_SL
1. Press the TEACH key twice when the
sensing object is present.
2. Teaching is completed.
2-point teaching (window comparator mode)
This method is used to set the threshold range by conduction the 2-point
teaching.
When performing the 2-point teaching (window comparator mode), preset
“Window comparator mode 2” in the sensing output setting of the PRO
mode. For the setting refer to section 12, “PRO mode setting.”
When conducting the teaching, use sensing objects (P-1 and P-2) whose
distance are different from each other.
2nd time (Threshold 2_SL)
1st time (Threshold 1_SL)
Threshold surface
ON
OFF
OFF
1. Press the TEACH key when the sensing
object P-1 is present (1st time).
2. Press the TEACH key when the sensing
object P-2 is present (second time).
Stable sensing is possible.
Stable sensing is not possible.
3-point teaching (window comparator mode)
This is the method to perform 3-point teaching (P-1, P-2, P-3) and to set the
threshold range by setting threshold 1_SL in the mid-point between the 1st
time and 2nd time, and threshold 2_SL in the mid-point between the 2nd
time and 3rd time as shown in the following gure.
When performing 3-point teaching (window comparator mode), preset “Win-
dow comparator mode 3” in the sensing output setting of the PRO mode.
For the setting method, refer to section 12, “PRO mode setting.”
When performing teaching, use sensing objects (P-1, P-2, P-3) with differ-
ent distance.
After teaching, P-1, P-2 and P-3 will be automatically rearranged from the
smaller value.
P-1 P-2 P-3
Threshold 1_SL
Threshold 2_SL
3rd time
2nd time
1st time
ON
OFF
OFF
1. Press the TEACH key when the sensing
object P-1 is present (1st time).
2. Press the TEACH key when the sensing
object P-2 is present (second time).
3. Press the TEACH key when the sensing
object P-3 is present (3rd time).
Stable sensing is possible.
Stable sensing is not possible.
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