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Code setting table
● Green digital display (right side is the first digit)
4th digit
Output operation mode
Output 1
Output 2
Output 1
Light-ON
No timer
Light-ON
OFF-delay
Dark-ON
timer
ON-delay
Light-ON
timer
Dark-ON
O n e - s h o t
Dark-ON
delay timer
-
-
-
-
No timer
-
-
-
-
-
-
● Red digital display (right side is the first digit)
4th digit
3rd digit
Communica-
Hysteresis
Backup
tion enable /
setting
setting
disable setting
Communica-
Backup
H-02
tion enable
ON
Communica-
Backup
H-02
tion disable
OFF
Communica-
H-03
tion enable
Communica-
H-03
tion disable
Communica-
H-01
tion enable
Communica-
H-01
tion disable
-
-
-
-
-
-
17
ERROR INDICATION
● In case of errors, attempt the following measures.
Error
Description
indication
EEPROM is broken or reached
the end of its working life.
EEPROM writing error.
Load of the output 1 is short-circuit-
ed causing an overcurrent to flow.
Load of the output 2 is short-circuit-
ed causing an overcurrent to flow.
Disconnection error of sensor head. Check the connection of sensor head.
Communication error when the
amplifiers are mounted in cascade.
Communication error between the up-
per communication unit and amplifiers.
18
OPTICAL COMMUNICATION
● When the setting of data bank loading / saving, or copy setting is con-
ducted via optical communications, cascade the sub amplifiers right side
to the main amplifier as follows.
● If an amplifier is under any of the following conditions, the setting of data
bank loading / saving, or copy setting cannot be carried out .
• In case the digital display is blinking
• In case PRO mode is being set
• In case the communication enable
/ disable setting is set to commu-
nication disable "
● When communication protocol of a sub
amplifier is set to communication halt
"
", the setting of data bank
loading / saving, or copy setting cannot
be carried out to sub amplifiers subse-
quent to the mentioned amplifier.
● The sensing operation stops during
optical communications.
3rd digit
2nd digit
Timer mode
Response
time setting
Output 2
80μs or less
(H-SP)
150μs or less
(FAST)
No timer
500μs or less
(STD)
4ms or less
(U-LG)
OFF-delay
-
timer
ON -d e la y
-
timer
O n e - s h o t
-
delay timer
-
-
-
-
-
-
2nd digit
1st digit
Output mode
CUSTOM
mode
Output 1
Response
Normal
time setting
mode
Light-receiving
Window
sensitivity
comparator
setting
mode
Emission
Rising differ-
-
halt setting
ential mode
Setting of data
Trailing differ-
-
bank loading
ential mode
Hysteresis
-
Code setting
mode
Forced ON
-
-
output mode
Forced OFF
-
-
output mode
-
-
Normal
mode
-
-
Remedy
Please contact our office.
Turn OFF the power and check the load.
Verify that there is no loose or clear-
ance between amplifiers.
Verify that there is no loose or clearance between
the upper communication unit and amplifiers.
Communication direction
"
Sub amplifiers
Main amplifier
19
SPECIFICATIONS
Item
Model No.
1st digit
Supply voltage
Light-receiv-
ing sensitivity
setting
Power consumption
Level 3
Level 2
Output
(Output 1 / 2)
Level 1
Output operation
Level 4
Short-circuit protection
(U-LG only)
Response time
-
-
Timer function
-
Interference
prevention function
-
Ambient temperature
-
Ambient humidity
Material
Weight
Notes: 1) 25mA max. if 5 or more units are connected in cascade.
Output 2
2) In case of using the quick-connection cable (cable length 5m) (optional).
3) Make sure to use the quick-connection cables (optional) given below.
Main cable (4-core):
CN-74-C1 (cable length 1m), CN-74-C2 (cable length 2m), CN-74-C5 (cable length 5m)
Sub cable (2-core):
CN-72-C1 (cable length 1m), CN-72-C2 (cable length 2m), CN-72-C5 (cable length 5m)
4) The values specified above are applied only to the amplifier. Regarding the speci-
fications for the applied sensor head, refer to the instruction manual enclosed with
the sensor head.
20
CAUTIONS
Normal
mode
● This product has been developed / produced for industrial use only.
● Make sure that the power supply is OFF while adding or removing the amplifiers.
● Take care that if a voltage exceeding the rated range is applied, or if an AC
power supply is directly connected, the product may get burnt or damaged.
● Take care that short circuit of the load or wrong wiring may burn or damage the product.
● 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.
Forced ON
● The specification may not be satisfied in a strong magnetic field.
output mode
● Verify that the supply voltage variation is within the rating.
Forced OFF
● If power is supplied from a commercial switching regulator, ensure that the frame
output mode
ground (F.G.) terminal of the power supply is connected to an actual ground.
● In case noise generating equipment (switching regulator, inverter mo-
tor, etc.) is used in the vicinity of this product, connect the frame ground
(F.G.) terminal of the equipment to an actual ground.
● The ultra long distance (U-LG) mode is more likely to be affected by
extraneous noise since the sensitivity of that is higher than the other
modes. Make sure to check the environment before use.
● Do not use during the initial transient time (0.5 sec.) after the power supply is switched ON.
● Make sure to use the quick-connection cable (optional) for the connection of the controller.
Extension up to total 100m is possible with 0.3mm
However, in order to reduce noise, make the wiring as short as possible.
● Make sure that stress by forcible bend or pulling is not applied to the sensor cable joint.
● This product is suitable for indoor use only.
● Avoid dust, dirt, and steam.
● Take care that the product does not come in contact with oil, grease,
organic solvents such as thinner, etc., strong acid or alkaline.
● This product cannot be used in an environment containing inflammable
or explosive gasses.
● Never disassemble or modify the product.
● This product adopts EEPROM. Settings cannot be done 100 thousand
times or more, because of the EEPROM's lifetime.
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
Type
Digital laser sensor amplifier
LS-403
12 to 24V DC±10% Ripple P-P 10% or less
Normal operation: 950mW or less (current consumption
40mA or less at 24V supply voltage)
Eco mode: 780mW or less (current consumption 33mA or
less at 24V supply voltage)
NPN open-collector transistor
• Maximum sink current: 50mA (Note 1)
• Applied voltage: 30V DC or less (between output and 0V)
• Residual voltage: 1.5V or less (Note 2) [at 50mA (Note 1) sink current]
Switchable either Light-ON or Dark-ON
Incorporated
H-SP: 80μs or less, FAST: 150μs or less, STD: 500μs or
less, U-LG: 4ms or less Selectable with jog switch
Changeable in ON-delay, OFF-delay or One-shot delay timer
Switchable either effective or ineffective (timer period: ap-
prox. 0.5ms, approx. 1 to 9,999ms)
Incorporated [Up to four sensor heads can be mounted adjacently (How-
ever, in H-SP mode, up to two sensor heads can be mounted adjacently)]
-10 to +55°C (If 4 to 7 units are cascaded: -10 to +50°C, if 8
to 16 units are cascaded: -10 to +45°C) (No dew condensa-
tion or icing allowed), Storage: -20 to +70°C
35 to 85% RH, Storage: 35 to 85% RH
Enclosure: Heat-resistant ABS, Protective cover: Polycarbonate
Jog switch: ABS, MODE key: Acrylic
Approx. 15g (Main body only)
2
or more, cable.
PRINTED IN JAPAN
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