2018/06
Line teach (remote teach)
Subfunction setting:
Signal level at
multi funct
teach input:
The following description applies to PNP switching logic!
With the NPN models, the signal levels are inverted!
Timing for the line teach
Which line teach is performed is set in the
Select teach mode
tch
SEL1
subfunction.
Depending on the setting, this may be a static 1-point teach, a static 2-point teach or a dynamic teach.
Locking the amplifier via the teach input
A
static HIGH signal
( ≥ 20ms) on the teach input
locks the Operating mode selector switch
independent of its position. No manual
configuration or adjustment can be performed (e.g., protection against erroneous operation or manipulation).
If the teach input is not connected or if a
static LOW signal
is applied, the
Operating mode selector switch is unlocked
and all func-
tions can be accessed as described.
InP
SEL
multi funct
input
tch
InP
Teach
input
LOW
t
HIGH
≥
20ms
20 … 80ms
900 …
∞
ms
> 900ms
> 500ms
Before teaching:
- - -
LOW level =
selector switch
Operating
mode
unlocked
–––––
HIGH level =
selector switch
Operating
mode
locked
A s
ignal
change is only necess
ar
y if
a HIG
H
s
ignal
is a
p
plied prio
r t
o the t
each.
Action begins with
the rising edge:
t
Teach
=
20 … 80ms
Operating mode
selector switch
locked
The teach event begins with the fall-
ing edge.
1.
Static 1-point teach
:
The current signal value is taken
over as the teach value with the
falling edge.
2.
Static 2-point teach
:
The current signal value is taken
over as
teach value 1
with the
falling edge.
3.
Dynamic teach
:
The sensor begins to scan the sig-
nal values with the falling edge
Note
: The sensor remains in teach
mode without timeout until the next
rising edge.
The teach event is ended with the
rising edge:
1.
Static 1-point teach
:
No further action
2.
Static 2-point teach
:
The current signal value is taken
over as
teach value 2
with the
rising edge.
3.
Dynamic teach
:
Scanning of the signal values
ends with the rising edge.
The teach event ends 900 ms after
the rising edge, and the sensor
again operates in normal operation.
If the
Operating mode
selector
switch is to be operable again, a
LOW signal must be applied. The
switch can again be operated 500
ms after the falling edge.
Notes
:
• The display on the two dis-
plays during the line teach
corresponds to the descrip-
tion for the manual teach.
• The line teach begins with
the rising edge at the teach
input independent of the
position of the
Operating
mode
selector switch.
Operating mode
selector switch locked
Teach time
Activation of the
teach event
t = 20 … 80ms
LV463.XV
