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3.6.2. Midpoint TEACH
Output ON
Output OFF
0 mm
SP1
(500 mm)
Figure 10: Window and Midpoint Example
3.6.2.1. Window Size
The D_OUT > TchMid > WndSize option sets the window size that the Midpoint TEACH uses to set the setpoint one and setpoint two thresholds.
The taught surface must be inside the defined sensing range, and at least one setpoint (with offset applied, if any) must be located within the
sensing range.
The Discrete Output window size is a different setting than the Analog Output window size when defined using the push buttons.
Parameters
Window Size Minimum
Window Size Maximum
Range
Default Window Size
Navigate: MENU > D_OUT > TchMid > WndSize
Remote Input: Available
1)
Access the setup mode.
Method
Push Button
Navigate: MENU > D_OUT > TchMid > WndSize.
a. Double-pulse the remote input to enter setup mode.
Remote Input
b. Three-pulse the remote input to enter window size
mode.
2)
Set the window size.
Method
a. Use Down and Up to set the desired window size—the value changes in
Push Button
increments of 2.
b. Press Enter to save the new value.
Pulse the remote input 1 to 6 times to select the desired window size.
1 pulse: 10 mm
Remote Input
2 pulses: 20 mm
(Sets A_OUT and
3 pulses: 100 mm
D_OUT window
4 pulses: 500 mm
Size)
5 pulses: 2000 mm
6 pulses: 11950 mm for the LTF12; 23950 mm for the LTF24
3.6.2.2. TEACH Midpoint
The TchMdPt option sets the midpoint that determines the actual measurement window.
1000 mm
Midpoint
(600 mm)
SP2
(700 mm)
LTF12
10 mm
11950 mm
50 mm to 12000 mm
20 mm
Action
Action
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The Midpoint TEACH uses both the window size and the TEACH midpoint to
determine the actual measurement window. For example, a window of 200 mm
with a midpoint of 600 mm places the measurement window from 500 mm to 700
mm.
To use Midpoint TEACH:
1)
Set the window size.
2)
Set the measurement window using TEACH Midpoint.
The Discrete Output Midpoint TEACH and the Analog Output Midpoint TEACH are
independent settings.
10 mm
23950 mm
50 mm to 24000 mm
20 mm
"WndSize" and the current window size value
display.
T
T
a. "REMOTE SETUP" displays.
T
b. "WndSize" and the current value display.
T
T
T
T
T
a. "WndSize" and the new value display.
b. The new value flashes and returns to
"TchMid WndSize".
The new value flashes and the sensor returns
to Run mode.
S
P
ENSOR
ROGRAMMING
LTF24
Result
Result
18
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