Panasonic LS-501 Series Instruction Manual page 2

8 TEACHING MODE
Be sure that detection may become unstable depending on the use environment
in teaching if less margin is applied.
When teaching in Window comparator mode or Hysteresis mode, a setting has
to be made in PRO mode beforehand.
In case 1-point teaching, make sure to set the shift amount. (initial value is 10%
or 100)
For the setting, refer to <PRO6>
Teaching can be set in RUN mode.
Useful when sensing object can be set
2-point teaching
This is basic teaching method.
<Thru-beam type>
1 1
2
2
1. Press the SET key in the sensing object present condition.
2. Press the SET key in the sensing object absent condition.
Stable sensing is possible
Stable sensing is not possible
Useful when sensing object cannot be set
This is teaching method in case small object or object in back
Limit-teaching
For setting the shift amount, refer to <PRO1>
Useful when not want to stop production line and to keep the sensing object move
This is method to conduct teaching doing sensing object is
Full-auto teaching
moving.
1. Pressing SET key down.
Pressing down long
2. Run the sensing object on the line and hold down the SET
key.
3.
when the sensing object passed through, release the SET
key.
Automatic
Stable sensing is possible
Stable sensing is not possible
PRO MODE OPERATION DESCRIPTION."
19
1
2
or
1. Press the SET key in the sensing object present
condition or non sensing object present condition.
2. The threshold level is shifted to high value
(low sensitivity) by pressing down UP key.
The threshold level is shifted to low value
(high sensitivity) by pressing down UP key.
Stable sensing is possible
Stable sensing is not possible
PRO MODE OPERATION DESCRIPTION."
19
" is displayed on the digital display (green) and
1-point teaching (Window comparator mode / Hysteresis mode)
This is method to set the shift amount to the desired value and to set the thresh-
old range by using the 1-point teaching.
<Window comparator mode>
Set to de-
sired value
1_SL P-1
Notes 1) The shift amount of 10% is an initial value. The shift amount can be set in PRO mode. Furthermore, the shift
value can be set in incident light amount. For setting method, refer to <PRO6>
TION DESCRIPTION."
2-point teaching (Window comparator mode / Hysteresis mode)
This is method to set the threshold range by conducting the 2-point teaching (P-1, P-2).
When conducting teaching, use sensing objects (P-1 and P-2) whose incident
<Window comparator mode>
1_SL (P-1)
3-point teaching (Window comparator mode / Hysteresis mode)
This is the method to conduct the 3-point teaching (P-1, P-2, P-3) and to set the
threshold range by setting the threshold value (1_SL) of the mid-point between
When conducting teaching, use sensing objects (A, B and C) whose incident light
After teaching, P-1, P-2 and P-3 will be automatically relocated in ascending order:
<Window comparator mode>
A 1_SL B
-
refer to <PRO6>
UE FINE ADJUSTMENT FUNCTION."
Changed intensity
<Hysteresis mode>
Set to de-
Set to de-
sired value
sired value
2_SL 1_SL
1. Pressing SET key down.
2. Press the SET key down in the sensing object present condition.
3. The threshold value (1_SL) that is 10% lower from the incident light
intensity and the threshold value (2_SL) that is 10% higher from the
incident light intensity are set. (Note 1, 2)
Stable sensing is possible
Stable sensing is not possible
<Hysteresis mode>
2_SL (P-2) 1_SL (P-1)
1. Pressing SET key down. (1st time)
2. Press down the SET key in the sensing object present condition.
(2nd time)
Stable sensing is possible
Stable sensing is not possible
<Hysteresis mode>
2_SL C A 1_SL
1. Press SET key down in the sensing object present condition.
(1st time)
2. Press SET key down in the sensing object present condition.
(2nd time)
3. Press SET key down in the sensing object present condition.
(3rd time)
Stable sensing is possible
Stable sensing is not possible
PRO MODE OPERATION DESCRIPTION."
19
Set to de-
sired value
P-1 2_SL
PRO MODE OPERA-
19
2_SL (P-2)
B 2_SL C
THRESHOLD VAL-
9
Short span
Long span