Panasonic LS-400 Series User manual

INSTRUCTION MANUAL
Thank you very much for purchasing Panasonic products. Please read this Instruc-
tion Manual carefully and thoroughly for the correct and optimum use of this product.
Kindly keep this manual in a convenient place for quick reference.
WARNING
Never use this product as a sensing device for personnel protection.
In case of using sensing devices for personnel protection, use products which
meet laws or standards, such as OSHA, ANSI or IEC etc., for personnel protec-
tion applicable in each region or country.
Use of control or adjustment or performance of procedures other than those
For details of the setting contents or setting procedure, refer to 'LS series PRO
mode operation guide' in 'Panasonic Industrial Devices SUNX website (http://
1PART DESCRIPTION
MODE key
Select Modes
Cancel during setting
Jog switch
Turn: Code selecting
Output 1 operation indicator Output 2 operation indicator
Laser emission
MODE indicator /
2MOUNTING
1. Fit the rear part of the mounting section of the
2. Press down the rear part of the mounting section
the mounting section to the DIN rail.
1
35mm width DIN rail
2
1.
2.
2
1
mounting section is likely to break.
How to mount the sensor head
1. Insert the sensor head connector into the inlet
until it clicks.
2. Fit the cover to the connector. 21
Sensor head
connector
3
2
MOUNTING '.
-
product is not placed to the leftmost position, this product may not operate properly
.
Cascading method
1.
on the 35mm width DIN rail.
2.
other, and connect the quick-
connection cables.
3. Mount the optional end plates
(
hold the amplifiers between their
4.
plates.
Sub cable
(
Main cable
(
Slide
End plate
End plate
(
Dismantling method
1. Loosen the screws of the end
plates.
2. Remove the end plates.
3. Slide the amplifiers and remove
them one by one. Slide
I/O CIRCUIT DIAGRAM
NPN output type
Load
12~24V DC
±10%
Sensor circuit
100mA MAX.
5V
Terminal No. of connector type Cable type / Color code of
quick-connection cable
100mA MAX.
Load
Internal circuit Users' circuit
PNP output type
0V 12~24V DC
±10%
Terminal No. of connector type Cable type / Color code of
quick-connection cable
Sensor circuit
100mA MAX.
Load
Load
Internal circuit Users' circuit
*1 *2
Non-voltage contact or NPN transistor open collector
or
Non-voltage contact or PNP transistor open collector
or
.
2.
Output 1
1.+V
4.
Output 2
3.0V
Layout of terminals of
connector type (P
5EXTERNAL INPUT [only for ]
When 'emission halt', 'limit teaching' or 'full-auto teaching' is set, the time chart is
as follows.
Time chart
input
Emission
halt
Limit
teaching
Full-auto
teaching
3ms or more
2ms
2ms
Normal operation
Insident light
intensity setting
Normal operation
Threshold value
calculation 1 sec.
Sampling starts Sampling ends
Teaching ends
Emission
High (Low for NPN
Low (High for NPN
Normal operation
Threshold value
calculation 1 sec.
-
6OPERATION PROCEDURE
Be sure to set each item after selecting the output 1 or the output 2.
The items that can be set in the output 1 and the output 2 respectively are only
1.Threshold value, 2. Output operation, 3. Timer operation and Timer period, and
4.Detection mode. The items other than those are common. (However, in case of
setting with the direct code, a combination of the output 1/2 can be set only for out-
System of basic operation
two main modes; the ' NAVI ' mode for items and settings that are frequently re-

Procedures for switching the NAVI mode
Response
time selection
Refer to '
11
PRO MODE / PRO1
mode setting'.
M.G.S. Refer to '
11
PRO MODE / PRO1
mode setting'.
Emission halt Refer to '
11
PRO MODE / PRO1
mode setting'.
Data bank
loading
Refer to '
11
PRO MODE / PRO3
mode setting'.
Code setting Refer to '
11
PRO MODE / PRO3
mode setting'.
RUN mode
TEACH
mode
L/D
mode
CUSTOM
mode
TIMER
mode
PRO
mode
Procedures for switching the display in RUN mode'.
Refer to ' TEACHING MODE '.
Press
Turn
No timer
OFF delay Timer period
ON delay Timer period
ONE-SHOT delay
Timer period
Dark ON No display
No display Light ON
timer“ ”cannot be set.
Turn
Turn
Press
Press
Press
Press
Press
Procedures for switching the display in RUN mode
Incident light intensity
Threshold
value
Incident light
intensity
Press
Threshold value Incident light intensity
Blinking
by turns
Press
Press
Changed intensity
Automatic
Threshold
value 1
In Window comparator mode or
Hysteresis mode
Press
Press
Threshold value
Incident light intensity
Incident light intensity Incident light intensity
Blinking by turns
Threshold
value 2
Changed intensity
Incident light intensity
Incident light intensity
Automatic
Note : Can be displayed if the display switching“ ”is set to“ ”to enable the display switching in PRO2 of
PRO mode.
THRESHOLD VALUE FINE ADJUSTMENT FUNCTION
-
-
crease / decrease the threshold value.
mode is selected after the adjustment or any switch op-
eration is not carried out within a certain period of time.
Automatic
Turn Turn
increase or decrease after the output 1“ ” or the output 2“ ” is displayed.
” is displayed, the following will be displayed.
Change Automatic
Automatic
8OUTPUT CHANNEL SWITCHING
Press the MODE key for more than 2 seconds when in NAVI mode. If Output 1
Select 1 indicator Select 2 indicator
9 KEYLOCK FUNCTION
If the jog switch and MODE key are press down simultaneously for more than
locked.Press down for more than 3 seconds again to unlock the key.
<Key locked> <Key unlocked>
TEACHING MODE
When teaching in Window comparator mode or Hysteresis mode, a setting has to
1. Press the MODE key once to select ' TEACH mode '. Press the
jog switch in the object present condition.
2. Press the jog switch in the object absent condition. The MODE
.
3. A threshold is set between 1 and 2.
In case stable sensing is possible: " " blinks in the red digital display.
In case stable sensing is not possible: " " blinks in the red digital display.
Press
or
Press
1. Press the MODE key once to select ' TEACH mode '. Press the
jog switch in the object absent condition.
2.
3.
1
1
4. In case stable sensing is possible:
“ ” blinks in the red digital display.
In case stable sensing is not possible:
“ ” blinks in the red digital display.
Turn
Press
or
Automatic
or
Press
Automatic
1. Press the MODE key once to select ' TEACH mode '. Run the
work piece on the line and hold down the jog switch.
2. “ ” is displayed on the green digital display and when the
work piece passed through, release the jog switch. The MODE
3. In case stable sensing is possible:
“ ” blinks in the red digital display.
In case stable sensing is not possible:
“ ” blinks in the red digital display.
This is the method to set the shift value to the desired value and set the threshold
range by using the single-point teaching.
Set to de-
sired value
Set to de-
sired value
<Window Comparator mode> <Hysteresis mode>
1_SL 1_SL2_SL 2_SLP-1 P-1
Set to de-
sired value
Set to de-
sired value
1. Press the MODE key once to select 'TEACH mode'. “ ” is
displayed on the green digital display.
2. -
-
In case stable sensing is possible:
“ ” blinks in the red digital display.
In case stable sensing is not possible:
“ ” blinks in the red digital display.
mode. Furthermore, ‘digit’ or ‘percent’ can be selected. For setting method, refer to
‘
11
PR O M ODE / P RO 6 m od e s e tt i ng ’ .
-
Blinking
by turns
Blinking
by turns
Blinking
by turns
Press
or
<Window Comparator mode> <Hysteresis mode>
1_SL 1_SL 2_SL
2_SL
1. Press the MODE key once to select 'TEACH mode'. “ ” is
displayed on the green digital display. Press the jog switch in
2. “ ” blinks in the green digital display. Press the jog switch in the
object present condition for the second point.
3.
In case stable sensing is possible:
“ ” blinks in the red digital display.
In case stable sensing is not possible:
“ ” blinks in the red digital display.
sensitivity will be set.
Press
Press
Blinking
by turns
Blinking
by turns
Blinking
by turns
or

-
After teaching, P-1, P-2 and P-3 will be automatically relocated in ascending order:
i.e. the lowest value is placed in ' A ', the second lowest in ' B ' and the highest in ' C '.
<Window comparator mode> <Hysteresis mode>
1_SL 1_SL2_SL 2_SLA AB BC C
1. Press the MODE key once to select ' TEACH mode ' . “ ” is
displayed on the green digital display. Press the jog switch in
the object present condition.
2. “ ” blinks in the green digital display. Press the jog switch in
the object present condition for the second point.
3. “ ” blinks in the green digital display. Press the jog switch in
the object present condition for the third point.
4.
In case stable sensing is possible:
“ ” blinks in the red digital display.
In case stable sensing is not possible:
“ ” blinks in the red digital display.
Note
sensitivity will be set.
or
Blinking
by turns
Blinking
by turns
Press
Press
Press
Blinking
by turns
Turn
Press
Turn
Turn
Windowcompar-
ator mode tial mode
or
Press
Press
Normal
mode
tial mod e
the adjustment or any switch operation is not carried out whitin a certain period of
time.
For details, refer to ‘ THRESHOLD VALUE FINE ADJUSTMENT FUNCTION ’
Short span Long span
Changed intensity Turn Changed intensity
11 PRO MODE
can be set.
PRO1 mode setting
Hysteresis: Small
Hysteresis: Standard
Hysteresis: Large
The shift amount can be set in a range of
Light received sensitivity: Level 2
Light received sensitivity: Level 3
Light received sensitivity: Level 1
Laser emission: ON
Laser emission: OFF
Press
Turn
Emission
halt function
Hysteresis
function
Responsetime
switchingfunction Press
Press
Press
Press
Press
Turn
Turn
Turn
Turn
Turn
Turn
Turn
Turn
’ for ultra high speed or ‘ ’ for
high speed is selected in the response time switching function ‘
digits if ‘ ’ for standard or ‘ ’ for ultra long distance is selected.
response time switching function ‘ ’.
PRO2 mode setting
Stored
value
Display
switching function
Incident light intensity
Digital display turning: OFF
Digital display turning: ON
Digital display switching on
ECO mode: OFF
ECO mode: ON
Hold: OFF
Hold: ON
In order to clear the value, set the time
period holding function to OFF once.
the value.
Note:
Press Press
Press
Press
Press
Press
Press
Press
Turn
Turn Turn
Turn Turn
Turn
Turn
Turn
Turn
Display
turningfunction
ECO mode
function
Time period
holdingfunction
Present value
storage function
Stored value
comparison function
PRO3 mode setting
Databank
loading function
Note: When the ultra high-speed ' '
in the response time change func-
tion’ “ ” is set, “ ” cannot
be set.
For 1CH setting
Data bank
saving function
Press
Press
Press
Press
Press
Press
Press
Press Press
Press Press
Turn Turn
Turn
Turn
Turn
Turn
Turn
Turn
For 1CH setting
For 1CH setting
For 1CH setting
Transmission enable
Backup
function
Setting copy: OK
Transmission disable
Emission halt
Full-auto teaching
Limit teaching / plus side
Limit teaching / minus side
Backup: OFF
Backup: ON
setting function
Transmission change
To permit / Not to
permit function
Turn
Press Press
Press
Press
Press
Turn
Turn Turn
Turn
Turn
Turn
‘ in the response time change function ‘ ‘ is set, the copy function can-
not be used.
.
PRO5 mode setting
The 0-ADJ setting function in this product was removed from production starting May, 2005.
Reset: OK
Response time
M.G.S.
Emission halt
Data bank loading
Codesetting
function
Reset
function
CUSTOM
mode display
function
Note: Refer to '
12
LIST O F CODE
SETTI NG' when using the
code setting function.
Turn
Turn
Turn
Turn
Turn
Press Press
Press
Press
Press
: Code selecting

PRO6 mode setting
Output 1
Hysteresis
mode
Window compar-
ator mode
Change by
increment
of 1 digit
Press
Press Press Press
Press
Press Press Press
Turn
Turn
Turn
Turn
Turn
Turn
Turn
Press
Change by
increment
of 1 %
Turn
Output 2
Press
Turn
Turn
12 LIST OF CODE SETTING
Green digital display Red digital display
Green digital display
First digit Second digit Third digit Fourth digit
Direct
code
Output operation
Direct
code
Timer operation
Direct
code
Response time
Direct
code
M.G.S.
L-ON · L-ON OFF STD Level 3
L-ON · D-ON On delay H-SP Level 2
D-ON · L-ON FAST Level 1
D-ON · D-ON One-shot Timer U-LG Level 4
Red digital display
First digit Third digit Fourth digit
Direct
code
Hyster-
esis Copy lock
Direct
code
input Backup
Direct
code
CUSTOM
Direct
code
Detection mode
H-02 OFF
Emission halt
ON Response time Normal 2 Output
H-02 ON
Emission halt
OFF M.G.S. Window comparator
H-03 OFF
Auto teaching
ON Emission halt
H-03 ON
Auto teaching
OFF Data bank loading
H-01 OFF ON D code Hysteresis
H-01 ON OFF Output 2 OFF
Limit - ON
Limit - OFF
Note: Connector type shows only
“ ”
.
13 ERROR DISPLAY
Take the following actions in case of errors.
Display Description of error Action
Overcurrent has been applied due to short-
circuited load.
Disconnection error of sensor head Check the connection of sensor head.
Transmission error during connection. Verify that there is no loose or clearance between
OPTICAL COMMUNICATION
When the collective data bank load / save
function or copy function is used via optical
communication, loading / saving or copy of
the setting can be carried out only to the
-
mission enable / disable function is set to
‘disable’, loading / saving or copy is not car-
ried out. Furthermore, the sensing operation
stops during optical communication.
Main unit Sub unit
Communication direction
15 SPECIFICATIONS
Type Connector type Cable type
Model No. NPN Output
PNP Output
Supply voltage 12 to 24V DC±10% Ripple P-P 10% or less
Power consumption
Output
<NPN output type>
NPN open-collector transistor
•
• Applied voltage: 30V DC or less
• Residual voltage: 1.5V or less
<PNP output type>
PNP open-collector transistor
•
• Applied voltage: 30V DC or less
• Residual voltage: 1.5V or less
Output operation Light-ON or Dark-ON, selectable with jog switch
Short-circuit protection Incorporated
<NPN output type>
NPN non-contact input
• Signal condition
•
<PNP output type>
PNP non-contact input
• Signal condition
Low:
•
Response time selectable with jog switch
Digital display
Normal mode
2-level teaching / Limit teaching / Full-auto teaching / Manual adjustment
Window comparator
mode
Hysteresis mode
Fine sensitivity adjustment
function Incorporated
Timer function Incorporated with variable ON-delay/OFF-delay/ONE-SHOT timer, switchable either
Interference prevention func-
tion
Incorporated [Up to four sensor heads can be mounted adjacently (However, in
Ambient temperature
Ambient humidity
Material Enclosure: Heat-resistant ABS, Transparent cover: Polycarbonate,
Mode key switch: Acrylic, Jog switch: ABS
Weight
Notes: 1
bank load/save function or the copy function is used, turn the power supply on again.
Be sure to use the optional quick-
connection cables given below.
16 CAUTIONS
This product has been developed / produced for industrial use only.
Verify that the supply voltage variation is within the rating.
supply is directly connected, the sensor may get burnt or damaged.
equipment to an actual ground.
noise since the sensitivity of that is higher than the other modes. Make sure to
check the environment before use.
If power is supplied from a commercial switching regulator, ensure that the frame
Take care that short-circuit of the load or wrong wiring may burn or damage the sensor.
Do not run the wires together with high-voltage lines or power lines or put them in
the same raceway. This can cause malfunction due to induction.
Make sure to use the optional quick-connection cable for the connector type
order to reduce noise, make the wiring as short as possible. However -
sion of a power supply line and the output line of less than 10m is acceptable in case
using this product as conforming to S-mark.
This sensor is suitable for indoor use only.
Avoid dust, dirt, and steam.
Take care that the product does not come in contact with water, oil, grease, or or-
ganic solvents, such as, thinner, etc.
-
sive gases.
Never disassemble or modify the sensor.
Panasonic Industry Co., Ltd.
Panasonic Industrial Devices SUNX Co., Ltd.
https://panasonic.net/id/pidsx/global
Please visit our website for inquiries and about our sales network.
Panasonic Industrial Devices SUNX Co., Ltd. 2022
September, 2022 PRINTED IN JAPAN