KEYENCE LV Series - Manual (Page 7)

7 LV Series-IM_E
All settings can be reset to their original values (factory defaults).
This can be done only when the operation button is not locked.
1
In the state of the received light intensity display, press five
times, while pressing .
2
When is displayed on the digital LED monitor, press
once.
(When is pressed here instead of , the monitor returns to the received
light intensity display without being reset)
3
is displayed on the setting monitor for three seconds and
then is displayed. Initialization is now complete. The
received light intensity display will appear on the monitor again.
Initial settings
*1: LV-51M/52/51MP/52P only
*2: For LV-51M/52/51MP/52P, FINE only
If any of the following errors appear on the LED display, check the amplifier or
sensor unit according to the countermeasures listed below.
If an error message other than the above is displayed, contact KEYENCE.
The LV Series can perform two different types of sensitivity settings.
Three types of output modes can be selected.
The operation button can be locked to prevent anyone accidentally touching the
operation button and changing settings.
„ Turning on Key Lock
Press or for three seconds or more while pressing .
will start flashing on the display.
„ Releasing Key Lock
Press or for three seconds or more while pressing .
will start flashing on the display.
When Key Lock is on, all settings except selecting display, selecting
output and display settings remain disabled until Key Lock is released.
This is the function of the LV-11A/21A/21AP. You cannot use this function with
LV-51M/51MP.
1
Lock the operation button
2
Connect the pink cable to a switch or PLC.
3
Making a short circuit between the pink cable and blue cable has
the same effect as pressing
.
Initializing Settings (Initial Reset)
Output A / Output B
Standard light intensity setting*1 OFF
Power mode*2 TURBO
Detection methods Standard output 1
Display shift Shift value: 0
Hold mode No hold display
Timer mode No timer
Timer 10 ms
Output setting D. ON: 46, L. ON: 50 (52 for LV-H62)
The value for the timer is only effective when timer mode is set to
a setting other than "NO TIMER (OFF)."
Error Messages
Error message Problem description Countermeasures
brK
The sensor head is not
connected, sensor is inserted in
a wrong connector, or the sensor
head cable has an open circuit. Check for an open circuit in the
head cable, and that the sensor
is connected to the correct
connector.
ouLd Excessive current in output
cable. Check the load and adjust to
within rated values.
Err
Data error Perform the initial reset.
S S
M
PH
A
B
BH
MODE SET
%
S S
S S
PH
A
B
BH
MODE SET
%
PH
A
B
BH
MODE SET
% PH
A
B
BH
MODE SET
%
Point
Selecting Channels
1
Press or quickly
while holding down .
2
Channel indicator for set up
mode starts flashing.
3
Release .
While tuning sensitivity or setting modes such as power mode, it
is not possible to select channels.
Selecting Output Mode
Key Lock
Adjusting Sensitivity via External Signals (External Tuning)
The operation button must be locked to perform external tuning.
Minimum input time is 20 ms.
PH
A
B
BH
MODE SET
%
One of the two channel indicators
will start flashing.
M
M
Point
PH
A
B
BH
MODE SET
%
D.ON
L.ON
L.ON
D.ON
Output switches
Switch Output A Output B
(Output ON when light is received)
(Output ON when
light is received)
(Output ON when
light is interrupted)
(Output ON when light is interrupted)
M
M
PH
A
B
BH
MODE SET
%
Important
S S
LV-21A/11A LV-21AP
Brown
Blue
Pink
+V
0V
+V
0V
Brown
Pink
Blue
Point