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ZP-L

Laser Displacement Sensor

ZP-L

Premium detection stability and optimal usability for Laser Displacement Sensors

Item list of ZP-L

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last update: July 1, 2025

Sensor Head

Item Specification
ZP-LS025L(C) ZP-LS025S(C) ZP-LS050L(C) ZP-LS050S(C) ZP-LS100L(C) ZP-LS100S(C)
Reference
distance		 25 mm 50 mm 100 mm
Measurement
distance		 20 to 30 mm 40 to 60 mm 65 to 135 mm
Light source Red semiconductor laser
Wavelength 660 nm
Laser class ZP-LS[]L, ZP-LS[]S: Class 2 (JIS/IEC/EN/FDA/GB)
ZP-LS[]LC, ZP-LS[]SC: Class 1 (JIS/IEC/EN/FDA/GB)
Laser power ZP-LS[]L, ZP-LS[]S: 1 mW max.
ZP-LS[]LC, ZP-LS[]SC: 0.376 mW max.
Spot diameter *1 ±0.05% F.S.
(±5 μm)		 Approx.
50 μm dia.		 Approx.
70 × 1,600 μm		 Approx.
70 μm dia.		 Approx.
130 × 2,900 μm		 Approx.
120 μm dia.
Linearity
*2		 Near
side		 ±0.05% F.S.
(±5 μm)		 ±0.1% F.S.
(±10 μm)		 ±0.03% F.S.
(±6 μm)		 ±0.075% F.S.
(±15 μm)		 ±0.025% F.S.
(±17.5 μm)		 ±0.07% F.S.
(±49 μm)
when used at 20 to 25 mm when used at 40 to 50 mm when used at 65 to 100 mm
Total
area		 ±0.08% F.S.
(±8 μm)		 ±0.125% F.S.
(±12.5 μm)		 ±0.04% F.S.
(±8 μm)		 ±0.1% F.S.
(±20 μm)		 ±0.065% F.S.
(±45.5 μm)		 ±0.085% F.S.
(±59.5 μm)
when used at 20 to 30 mm when used at 40 to 60 mm when used at 65 to 135 mm
Resolution
(Repeatability) *3		 0.5 μm 0.6 μm 0.7 μm 0.8 μm 1.2 μm 1.3 μm
Temperature
characteristics
*4		 0.01% F.S./°C 0.01% F.S./°C 0.01% F.S./°C
Indicators 2 indicators (identified by color)
HIGH (orange)/PASS (green)/LOW (orange), Out of range (white), Error (red), SETTING mode (blue)
Ambient
illuminance		 Illuminance of light-receiving surface, Incandescent lamp: 10,000 lx max.
Ambient temperature
range		 Operating: -10 to 50°C, Storage: -15 to 70°C (with no icing or condensation)
Ambient humidity
range		 Operating and storage: 35% to 85% RH each (with no condensation)
Dielectric
strength		 1,000 VAC 50/60 Hz for 1 min.
Insulation
resistance		 20 MΩ min. (at 500 VDC)
Vibration
resistance		 10 to 500 Hz, double amplitude 1.5 mm, 120 min. each in X, Y and Z directions
Shock resistance 300 m/s2, 3 times each in 6 directions along X, Y, and Z axes
Degree of
protection		 IP67 (IEC60529)
Connection
method *5		 Pre-wired Connector type (Standard cable length: 2 m/0.2 m)
Material Case and cover: Polybutylene terephthalate, Optical window: Glass, Threaded portion: SUS304, Cable: PVC
Weight
(Main unit only)		 Approx. 90 g (Cable length: 2 m), Approx. 45 g (Cable length: 0.2 m)
Accessories Instruction manual, compliance sheet, FDA certification label, fixing screws (M3 × 30 mm. 2 screws),
laser warning label (ZP-LS[]L and ZP-LS[]S models only)

*1. This is the value (actual value) at the standard distance, which is defined as 1/e2 (13.5%) of the central light intensity.
*2. This shows the error of displacement output relative to the ideal line when OMRON’s standard target
　　(white diffuse object) is measured.
　　Linearity and measured values may vary depending on the target object.
　　F.S. refers to the entire measuring range (70 mm for ZP-LS100L).
*3. This shows the width of the variation of measured values when OMRON’s standard target (white diffuse object) is
　　measured at a reference distance with a measurement cycle of 1 ms and an average rate of 128 times.
*4. This is the value (typical value) measured at the reference distance, with the Sensor Head and OMRON’s standard object
　　(white diffuse object)
　　fixed with an aluminum jig between them.
*5. This product is powered by the Laser Displacement Sensor Amplifier Unit (ZP-L3[][][]).

Item Specification
ZP-LS300L(C) ZP-LS300S(C) ZP-LS600L(C) ZP-LS600S(C)
Reference
distance		 300 mm 600 mm
Measurement
distance		 150 to 450 mm 200 to 1,000 mm
Light source Red semiconductor laser
Wavelength 660 nm
Laser class ZP-LS[]L, ZP-LS[]S: Class 2 (JIS/IEC/EN/FDA/GB)
ZP-LS[]LC, ZP-LS[]SC: Class 1 (JIS/IEC/EN/FDA/GB)
Laser power ZP-LS[]L, ZP-LS[]S: 1 mW max.
ZP-LS[]LC, ZP-LS[]SC: 0.376 mW max.
Spot diameter *1 Approx. 340 × 2,800 μm Approx. 310 μm dia. Approx. 670 × 5,800 μm Approx. 600 μm dia.
Linearity
*2		 Near
side		 ±0.03% F.S.
(±90 μm)		 ±0.04% F.S.
(±120 μm)		 ±0.06% F.S.
(±480 μm)		 ±0.075% F.S.
(±600 μm)
when used at 150 to 300 mm when used at 200 to 600 mm
Total
area		 ±0.1% F.S.
(±300 μm)		 ±0.125% F.S.
(±375 μm)		 ±0.15% F.S.
(±1,200 μm)		 ±0.2% F.S.
(±1,600 μm)
when used at 150 to 450 mm when used at 150 to 450 mm
Resolution
(Repeatability) *3		 4 μm 14 μm
Temperature
characteristics
*4		 0.01% F.S./°C 0.02% F.S./°C
Indicators 2 indicators (identified by color)
HIGH (orange)/PASS (green)/LOW (orange), Out of range (white), Error (red), SETTING mode (blue)
Ambient
illuminance		 Illuminance of light-receiving surface, Incandescent lamp: 5,000 lx max.
Ambient temperature
range		 Operating: -10 to 50°C, Storage: -15 to 70°C (with no icing or condensation)
Ambient humidity
range		 Operating and storage: 35% to 85% RH each (with no condensation)
Dielectric
strength		 1,000 VAC 50/60 Hz for 1 min.
Insulation
resistance		 20 MΩ min. (at 500 VDC)
Vibration
resistance		 10 to 500 Hz, double amplitude 1.5 mm, 120 min. each in X, Y and Z directions
Shock resistance 300 m/s2, 3 times each in 6 directions along X, Y, and Z axes
Degree of
protection		 IP67 (IEC60529)
Connection
method *5		 Pre-wired Connector type (Standard cable length: 2 m/0.2 m)
Material Case and cover: Polybutylene terephthalate, Optical window: Glass, Threaded portion: SUS304, Cable: PVC
Weight
(Main unit only)		 Approx. 110 g (Cable length: 2 m), Approx. 70 g (Cable length: 0.2 m)
Accessories Instruction manual, compliance sheet, FDA certification label, fixing screws (M3 × 35 mm. 2 screws),
laser warning label (ZP-LS[]L and ZP-LS[]S models only)

*1. This is the value (actual value) at the standard distance, which is defined as 1/e2 (13.5%) of the central light intensity.
*2. This shows the error of displacement output relative to the ideal line when OMRON’s standard target (white diffuse object)
　　is measured.
　　Linearity and measured values may vary depending on the target object.
　　F.S. refers to the entire measuring range (70 mm for ZP-LS100L).
*3. This shows the width of the variation of measured values when OMRON’s standard target (white diffuse object) is
　　measured at a reference distance with a measurement cycle of 1 ms and an average rate of 128 times.
*4. This is the value (typical value) measured at the reference distance, with the Sensor Head and OMRON’s standard object
　　(white diffuse object)
　　fixed with an aluminum jig between them.
*5. This product is powered by the Laser Displacement Sensor Amplifier Unit (ZP-L3[][][]).

Amplifier Unit

Master unit ZP-L30[]0

Item Specification
ZP-L3000 ZP-L3010 ZP-L3050 ZP-L3060
Master/Slave unit Master Unit
I/O type NPN PNP
Analog
output
*1		 Current
output		 4 to 20 mA
Maximum load resistance:
350 Ω		 No analog output 4 to 20 mA
Maximum load resistance:
350 Ω		 No analog output
Voltage
output		 ±5 V, 1 to 5 V, 0 to 5 V
Output impedance: 100 Ω		 ±5 V, 1 to 5 V, 0 to 5 V
Output impedance: 100 Ω
Control output *2 HIGH/PASS/LOW/ Error output
Open collector output: 30 VDC, 50 mA max., Residual voltage: 2 V max. N.O./N.C. switchable
External input Zero reset, Laser OFF, Timing, Reset, BANK
When ON: 0 V short-circuit
or 1.2 V max.
When OFF: Open
(Leakage current: 0.1 mA max.)		 When ON: Power supply voltage
short-circuit or within
-1.2 V of power supply voltage
When OFF: Open
(Leakage current: 0.1 mA max.)
Measurement cycle 125 μs/250 μs/500 μs/1 ms/2 ms/4 ms/20 ms/50 ms/100 ms switchable
Maximum number of
connected units		 16 (15 slave units can be connected per master unit)
Display OLED display
Judgment indicators: HIGH (orange/red), PASS (green/red), LOW (orange/red)
Status indicators: LASER (Green), ZERO (Green), ENABLE (Green)
Power supply voltage *3 10 to 30 VDC, including 10% ripple (p-p)
Power consumption *4 2,300 mW max. 2,000 mW max. 2,300 mW max. 2,000 mW max.
Ambient temperature range Operating: -10 to 50°C (standalone or multi-unit connection)
Storage: -15 to 70°C (with no icing or condensation)
Ambient humidity range Operating and storage: 35% to 85% RH each (with no condensation)
Dielectric strength 1,000 VAC 50/60 Hz for 1 min.
Insulation resistance 20 MΩ min. (at 500 VDC)
Vibration resistance 10 to 150 Hz, double amplitude 0.7 mm, 80 minutes each in X, Y, and Z directions
Shock resistance 300 m/s2, 3 times each in 6 directions along X, Y, and Z axes
Degree of protection *5 IP40 (IEC60529)
Connection method Cable pull-out type (Standard cable length: 2 m)
Material Main unit case, operating section cover: Polycarbonate
Cable: PVC
Weight (Main unit only) Approx. 160 g Approx. 150 g Approx. 160 g Approx. 150 g
Accessories Instruction manual, compliance sheet

*1. Select ±5 V, 1 to 5 V, 0 to 5 V, or 4 to 20 mA to use this.
*2. When six or more Amplifier Units are added including the master unit, use a load current of 20 mA/ch or less.
*3. Use a Class 2 power supply to supply power to this product. When six or more Amplifier Units are added including the
　　master unit, use a power supply voltage of 20 to 30 V, including 10% ripple (p-p).
*4. This includes the power consumption of the Sensor Head. It does not include the load current of each output.
*5. For slave units, this indicates the degree of protection when connected.

Slave unit ZP-L35[]0

Item Specification
ZP-L3510 ZP-L3560 ZP-L3590
Master/Slave unit Slave Unit
I/O type NPN PNP No I/O
Analog
output
*1		 Current
output		 No analog output
Voltage
output
Control output *2 HIGH/PASS/LOW/ Error output
Open collector output: 30 VDC, 50 mA max., Residual voltage: 2 V max. N.O./N.C. switchable		 No control output
External input Zero reset, Laser OFF, Timing, Reset, BANK No external input
When ON:
0 V short-circuit or 1.2 V max.
When OFF:
Open (Leakage current: 0.1 mA max.)		 When ON:
Power supply voltage short-circuit or
within -1.2 V of power supply voltage
When OFF:
Open (Leakage current: 0.1 mA max.)
Measurement cycle 125 μs/250 μs/500 μs/1 ms/2 ms/4 ms/20 ms/50 ms/100 ms switchable
Maximum number of connected units 16 (15 slave units can be connected per master unit)
Display OLED display
Judgment indicators: HIGH (orange/red), PASS (green/red), LOW (orange/red)
Status indicators: LASER (Green), ZERO (Green), ENABLE (Green)
Power supply voltage *3 Supplied by master unit
Power consumption *4 2,000 mW max.
Ambient temperature range Operating: -10 to 50°C (standalone or multi-unit connection)
Storage: -15 to 70°C (with no icing or condensation)
Ambient humidity range Operating and storage: 35% to 85% RH each (with no condensation)
Dielectric strength 1,000 VAC 50/60 Hz for 1 min.
Insulation resistance 20 MΩ min. (at 500 VDC)
Vibration resistance 10 to 150 Hz, double amplitude 0.7 mm, 80 minutes each in X, Y, and Z directions
Shock resistance 300 m/s2, 3 times each in 6 directions along X, Y, and Z axes
Degree of protection *5 IP40 (IEC60529)
Connection method Cable pull-out type (Standard cable length: 2 m) None
Material Main unit case, operating section cover: Polycarbonate Cable: PVC Main unit case, operating section cover: Polycarbonate
Weight (Main unit only) Approx. 140 g Approx. 140 g Approx. 70 g
Accessories Instruction manual, compliance sheet

*1. Select ±5 V, 1 to 5 V, 0 to 5 V, or 4 to 20 mA to use this.
*2. When six or more Amplifier Units are added including the master unit, use a load current of 20 mA/ch or less.
*3. Use a Class 2 power supply to supply power to this product. When six or more Amplifier Units are added including
　　the master unit, use a power supply voltage of 20 to 30 V, including 10% ripple (p-p).
*4. This includes the power consumption of the Sensor Head. It does not include the load current of each output.
*5. This indicates the degree of protection when connected to a master unit.

Main functions

Function name Description
Measurement
cycle		 Set as needed according to workpiece reflectance, tilt, etc.
You can also use the auto-configuration feature to automatically set the optimal
measurement cycle for the workpiece being measured.
Average rate Set as needed according to measurement value stability.
Calculation Enables calculation between multiple sensor heads and amplifier units.
Provides addition and subtraction features, which you can use to measure level difference,
thickness, etc. Calculation is performed by the master unit.
Analog output Allows you to change analog output to voltage output and current output.
Analog scaling Function for adjusting analog output against measurement results. Use, for example,
when you want to present slight changes in displacement as large changes in analog output.
Measurement
scaling		 Function for applying correction to measurement results.
Use when there is a difference between the expected result and measurement result,
or when you want to apply a certain offset value.
Detection select Allows you to select which surface to use for your measurement result, in cases
where multiple measurement surfaces exist within the range of measurement.
Use when measuring through glass, or detecting front/back surfaces of thin film.
Differential
calculation		 With this function, the measurement result is the difference between the current
displacement amount and that of a given time earlier.
Use when counting thin, board-like workpieces or when exclusively detecting sudden changes.
Hold function With this function, the detection result is the feature value for the specified period.
You can select which feature value to extract, e.g., the peak value (peak hold),
the bottom value (bottom hold), the range of change (peak-to-peak hold), and so forth.
Timer mode Allows you to delay upon changes in judgment output, or turn PASS output ON for a
given period.
Use when the judgment output changes so rapidly that upper-level devices cannot
receive the signals.
Synchronization Allows you to specify sensor head measurement timing.
By staggering measurement timing, you can prevent mutual interference between sensors.
BANK change Allows you to save/load sensor settings to the BANK.
This function lets you change multiple settings (e.g., measurement cycles and threshold
values) at once, which is useful in product changeovers, etc.

Communication Unit

ZP-EIP

General Specifications

Item Specification
ZP-EIP
Sensor that can be connected ZP-series Amplifier Unit
Power supply voltage 10 to 30 VDC, including 10% ripple (p-p) (supplied from Amplifier Unit)
Power consumption 1,500 mW max. (not including Amplifier Unit)
Indicators MS (Green/Red), NS (Green/Red), L/A ETH1 (Green), U/IN PWR (Green),
SS (Green/ Red)
External input Mode 1: Control input for Communication Unit buffering (2 inputs)
Mode 2: Cuing information input (2 inputs)
• DC input method
　Input voltage: 10 to 30 VDC
　Input current: 8 mA typical (24 VDC)
　ON voltage/current: 8.8 V min./2 mA min.
　OFF voltage/OFF current: 4 V max./0.5 mA max.
Control output Communication Unit buffering status output (2 outputs)
• Transistor output method
　Output voltage: 10 to 30 VDC
　Maximum load current: 50 mA
　ON residual voltage: 2 V max.
　OFF leakage current: 0.1 mA max.
Ambient temperature range Operating: -10 to 50°C, Storage: -15 to 70°C (with no icing or condensation)
Ambient humidity range Operating and storage: 35% to 85% (with no condensation)
Vibration resistance 10 to 150 Hz, double amplitude 0.7 mm, 80 minutes each in X, Y, and Z directions
Shock resistance 300 m/s2, 3 times each in 6 directions along X, Y, and Z axes
Dielectric strength 1,000 VAC, 50/60 Hz for 1 minute
Insulation resistance 20 MΩ min. (at 500 VDC)
Maximum number of connected sensors 16 units max.
Degree of protection *1 IP20 (IEC60529)
Material Polycarbonate
Weight (Main unit only) Approx. 85 g
Accessories Instruction manual, compliance sheet, End Plates (2)

*1. This indicates the degree of protection when connected to an Amplifier Unit.

EtherNet/IP Communications Specifications

Item Specification
ZP-EIP
Communications protocols EtherNet/IP protocol
• Implicit messages (Class1)
• Explicit messages (Class 3, UCMM)
Modulation Baseband
Link speed 10 Mbps or 100 Mbps
Ethernet physical layer *1 100BASE-TX or 10BASE-T (100BASE-TX is recommended.)
Ethernet switch Layer-2 switch
Transmission media Category 5 or higher twisted-pair cable (Recommended cable:
double-shielded cable with aluminum tape and braiding)
Transmission distance 100 m or less (Distance between nodes and between hub and node)
Topology Star, tree
Number of connected Units • Star
　No restrictions
• Tree
　There is no restrictions in the number of cascade connections
　when an Ethernet switch is used.
EtherNet/IP
tag data links		 Number of connections *2 1 (Point to Point)
Packet Interval (RPI) 1 to 10,000 ms
Allowed communications
bandwidth per Unit		 4,000 pps
Explicit
message		 Class 3
(number of connections) *2		 5
UCMM (unconnected) *2 Supported
EtherNet/IP I/O connection size Input: 276 bytes max. (including input data, status, and unused areas)
Output: 24 bytes max. (including output data and unused areas)
Support
functions		 Supported services Tag data link, CIP message communications, automatic clock adjustment
(NTP/SNTP client), BOOTP client, DHCP client
IP address conflict detection Provided

*1. If tag data links are used, use 100BASE-TX.
*2. The maximum number of connections is 10 when tag data links (Class 1), Class 3, and UCMM are used simultaneously.

ZP-RSA

General Specifications

Item Specification
Sensor that can be connected ZP-series Amplifier Unit
Power supply voltage 10 to 30 VDC, including 10% ripple (p-p) (supplied from Amplifier Unit)
Power consumption 700 mW max. (not including Amplifier Unit)
Indicators MS (Green/Red), SS (Green/Red), RD (Green), SD (Green)
External input Request input
When ON: 0 V short-circuit or 1.2 V max.
When OFF: Open (Leakage current: 0.1 mA max.)
Ambient temperature range Operating: -10 to 50°C
Storage: -15 to 70°C (with no icing or condensation)
Ambient humidity range Operating and storage: 35% to 85% RH each (with no condensation)
Vibration resistance 10 to 150 Hz, double amplitude 0.7 mm, 80 minutes each in X, Y, and Z directions
Shock resistance 300 m/s2, 3 times each in 6 directions along X, Y, and Z axes
Dielectric strength 1,000 VAC, 50/60 Hz for 1 minute
Insulation resistance 20 MΩ min. (at 500 VDC)
Maximum number of connected sensors 16 units max.
Degree of protection *1 IP20 (IEC60529)
Material Polycarbonate
Weight (Main unit only) Approx. 75 g
Accessories Instruction manual, compliance sheet, End Plates (2)

*1. This indicates the degree of protection when connected to an Amplifier Unit.

RS-232C Communications Specifications

Item Specification
Communications port RS-232C (terminal block)
Communications method Full duplex
Synchronization method Start/stop synchronization
Transmission code ASCII
Communications speed *1 2,400, 4,800, 9,600 (default) 19,200, 38,400, 57,600, or 115,200 bps
Data bit length *1 7 bits or 8 bits (default)
Parity check *1 None (default), Even, or Odd
Stop bit length 1 bit
Data delimiter When receiving CR or CR + LF automatically recognized
When sending CR + LF fixed

*1. Use the rotary switches on the front panel of the ZP-RSA to switch between settings. Turn OFF the power supply before changing the switch settings. The settings will be reflected when the power supply is turned ON next time.

last update: July 1, 2025

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