Laser Displacement SensorsCD2H Series

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Best-in-class*, All-in-one Middle-range Sensors

  • Highest-in-class* Repeat Accuracy: 0.25 μm (CD2H-30□/CD2H-50□)
  • Fastest-in-class* Sampling Period: 133.3 μs
  • Measurement in a long distance up to 1,200 mm
  • Received light waveform can be displayed on OLED Display.

  • NEW MODELS

    Added six new RS-485 models

    • *Among laser displacement sensors with the repeat accuracy of 1 μm
    (Investigated by OPTEX FA in November 2021)

CD2H Series

Lineup

Reflection mode Measurement range Repeat
accuracy		 Linearity Light source
Laser class		 I/O Connection Model
0.25 μm ±0.1% of F.S. Red semiconductor laser
CLASS 1/
Class Ⅰ		 Analog output
2 control outputs
External input
 Cable CD2H-30A
Pigtail cable CD2H-30M12A
RS-485
Control output
External input		 Pigtail cable CD2H-30-485M12A
0.25 μm ±0.1% of F.S. Analog output
2 control outputs
External input
 Cable CD2H-50A
Pigtail cable CD2H-50M12A
RS-485
Control output
External input		 Pigtail cable CD2H-50-485M12A
4 μm ±0.1% of F.S. Analog output
2 control outputs
External input
 Cable CD2H-130
Pigtail cable CD2H-130M12
RS-485
Control output
External input		 Pigtail cable CD2H-130-485M12
10 μm ±0.1% of F.S. Red semiconductor laser
CLASS 2/
Class Ⅱ		 Analog output
2 control outputs
External input
 Cable CD2H-2452
Pigtail cable CD2H-245M122
RS-485
Control output
External input		 Pigtail cable CD2H-245-485M122
20 μm ±0.1% of F.S. Analog output
2 control outputs
External input
 Cable CD2H-3502
Pigtail cable CD2H-350M122
RS-485
Control output
External input		 Pigtail cable CD2H-350-485M122
100 μm

±0.1% of F.S.
(200 to 700 mm)

±0.3% of F.S.
(700 to 1200 mm)

 Analog output
2 control outputs
External input
 Cable CD2H-7002
Pigtail cable CD2H-700M122
RS-485
Control output
External input		 Pigtail cable CD2H-700-485M122

• For the pig tail type, please purchase an optional connector cable.

Model Specifications

IO-Link/analog output Type

Model Cable CD2H-
30A		 CD2H-
50A		 CD2H-
130		 CD2H-
2452 		CD2H-
3502		 CD2H-
7002
Pigtail cable CD2H-
30M12A		 CD2H-
50M12A		 CD2H-
130M12		 CD2H-
245M122		 CD2H-
350M122		 CD2H-
700M122
Center of measurement range 30 mm 50 mm 130 mm 245 mm 350 mm 700 mm
Measurement range ±5 mm ±10 mm ±70 mm ±175 mm ±250 mm ±500 mm
Light source Medium Red semiconductor laser
Wavelength 655 nm
Maximum output 0.39 mW 1 mW
Laser
class		 JIS/IEC/FDA *1 CLASS 1 / Class Ⅰ CLASS 2 / Class Ⅱ
Spot size *2 φ50 μm φ70 μm φ0.3 mm φ0.5 mm φ0.6 mm φ1.0 mm
Linearity ±0.1% of F.S. ±0.1% of F.S. ±0.1% of F.S. ±0.1% of F.S. ±0.1% of F.S.

±0.1% of F.S.
(200 to 700 mm)

± 0.3% of F.S.
(700 to 1200 mm)
Resolution *3 0.25 μm 0.25 μm 4 μm 10 μm 20 μm 100 μm
Repeat accuracy *4 0.25 μm 0.25 μm 4 μm 10 μm 20 μm 100 μm
Sampling period *5 133.3 μs / 150 μs / 200 μs / 300 μs / 500 μs / 1 ms / 2 ms / 5 ms / Auto
Temperature
characteristics *6		 ±0.06% of F.S./℃
Weight Cable models: Approx. 140 g Connector models: Approx. 90 g
IO-Link Specifications Rev. 1.1
Baud rate COM3 (230.4 kbps)
Number of process
input data bytes		 6 bytes
Minimum cycle
time		 0.7 ms
Control output
(DO1/DO2*7)		 No. of outputs 2 (DO1 can be switched to IO-Link.)
Polarity NPN/PNP, open collector or Push-Pull (selectable by setting)
Max. 100 mA/24 VDC, residual voltage 1.8 V or less
Analog output
QA*7		 Current 4 to 20 mA, load impedance: 300 Ω or less
Voltage 0 to 10 V, output impedance: 100 Ω or less
External input*8 Switchable between Off, Multi operations, Hold, Zero point teach, and Laser off
Connection Cable: ø4.5 mm, 2 m cable
Pigtail cable: ø4.5 mm, 300 mm cable with M12 5-pin connector
Minimum bending radius: Cable diameter × 2 (when fixed in place),
cable diameter × 6 (when movable)

<Measurement conditions>
The measurement conditions are as follows unless otherwise designated:
Ambient temperature: 25°C (room temperature); supply voltage: 24 VDC; sampling period: 200 μs; moving average performed: 128; median filter: 31; center of measurement range, standard measured object (white ceramic). Furthermore, the sensor is fixed in place with an aluminum bracket when measurements are performed.

*1: In accordance with the FDA provisions of Laser Notice No. 56, the laser is classified per the IEC 60825-1:2014 standard.
*2: Defined with center strength 1/e2 (13.5 %) at the center of the measurement range. There may be leak light other than the specified spot size. The sensor may be affected when there is a highly reflective object close to the detection area.
*3: The smallest determinable step when changing the distance between the sensor and the target one step at a time (at moving average of 512)
*4: Peak to peak value of measurement in stationary state (at moving average of 512)
*5: Set to 200 µs by default.
*6: Typical example when the object (white ceramic) is measured while the object and the sensor are fixed in place with aluminum brackets. This object is placed at the center of the measurement range.
*7: Set to analog current output by default.
*8: Set to laser off by default.

RS-485 Type

Model CD2H-30-
485M12A		 CD2H-50-
485M12A		 CD2H-130-
485M12		 CD2H-245-
485M122		 CD2H-350-
485M122		 CD2H-700-
485M122
Center of measurement
range		 30 mm 50 mm 130 mm 245 mm 350 mm 700 mm
Measurement range ±5 mm ±10 mm ±70 mm ±175 mm ±250 mm ±500 mm
Light source Medium Red semiconductor laser
Wavelength 655 nm
Maximum output 0.39 mW 1 mW
Laser
class		 JIS/IEC/FDA *1 CLASS 1 / Class Ⅰ CLASS 2 / Class Ⅱ
Spot size *2 φ50 μm φ70 μm φ0.3 mm φ0.5 mm φ0.6 mm φ1.0 mm
Linearity ±0.1% of F.S. ±0.1% of F.S. ±0.1% of F.S. ±0.1% of F.S. ±0.1% of F.S.

±0.1% of F.S.
(200 to 700 mm)

± 0.3% of F.S.
(700 to 1200 mm)
Resolution *3 0.25 μm 0.25 μm 4 μm 10 μm 20 μm 100 μm
Repeat accuracy *4 0.25 μm 0.25 μm 4 μm 10 μm 20 μm 100 μm
Sampling period *5 133.3 μs / 150 μs / 200 μs / 300 μs / 500 μs / 1 ms / 2 ms / 5 ms / Auto
Temperature
characteristics *6		 ±0.06% of F.S./℃
Weight Connector models: Approx. 90 g
Communication
specifications		 Data transmission RS-485 half-duplex communication, start-stop synchronization
Protocol Modbus RTU
Baud rate 9600 bps / 19200 bps / 38400 bps / 57600 bps / 115.2 Kbps / 230.4 Kbps /
1 Mbps / 2 Mbps / 4 Mbps
Data length 8 bit
Parity Even / Odd / None
Stop bit 1 bit, 2 bit
Control output
(DO1)		 No. of outputs 1 (switchable to external input.)
Polarity NPN/PNP, open collector or Push-Pull (selectable by setting)
Max. 100 mA/24 VDC, residual voltage 1.8 V or less
External input*7 Teach 1 / Teach 2 / Offset / Offset clear / Laser off / Input hold / Buffering /
Buffer clear / Rise: Teach 1, Fall:Teach 2 / Rise Teach 2, Fall: Teach 1
Connection Pigtail cable: ø4.5 mm, 300 mm cable with M12 5-pin connector
Minimum bending radius: Cable diameter × 2 (when fixed in place), cable diameter × 6 (when movable)

<Measurement conditions>
The measurement conditions are as follows unless otherwise designated:
Ambient temperature: 25°C (room temperature); supply voltage: 24 VDC; sampling period: 200 μs; moving average performed: 128; median filter: 31; center of measurement range, standard measured object (white ceramic). Furthermore, the sensor is fixed in place with an aluminum bracket when measurements are performed.

*1: In accordance with the FDA provisions of Laser Notice No. 56, the laser is classified per the IEC 60825-1:2014 standard.
*2: Defined with center strength 1/e2 (13.5 %) at the center of the measurement range. There may be leak light other than the specified spot size. The sensor may be affected when there is a highly reflective object close to the detection area.
*3: The smallest determinable step when changing the distance between the sensor and the target one step at a time (at moving average of 512)
*4: Peak to peak value of measurement in stationary state (at moving average of 512)
*5: Set to 200 µs by default.
*6: Typical example when the object (white ceramic) is measured while the object and the sensor are fixed in place with aluminum brackets. This object is placed at the center of the measurement range.
*7: Set to laser off by default.

Common specifications

Supply voltage 18 to 24 VDC (±10%*1, including ripple)
Current consumption *2 80 mA (at 18 VDC), 70 mA (at 24 VDC)
Display 0.9-inch OLED display Menu languages: English, German, Spanish, Japanese, Simplified Chinese, Traditional Chinese, Korean
Indicators Power indicator (green), Output indicators (orange x 2),
IO-Link communication indicator (flashing green)
Protection circuit Reverse connection protection, overcurrent protection
Environmental
resistance
 Degree of protection IP67 (including M12 connector of pigtail cable type)
Ambient temperature/humidity -10 to +50°C/35 to 85% RH (without freezing or condensation)
Storage temperature/humidity -20 to +60°C/35 to 85% RH (without freezing or condensation)
Ambient illuminance Incandescent light: 10000 lx Max. Fluorescent light: 10000 lx Max.
Vibration resistance 10 to 55 Hz Double amplitude 1.5 mm, 2 hours in each X, Y, Z direction
Shock resistance 500 m/s2 (Approx. 50 G) 3 times in each X, Y, Z direction
Applicable
regulations		 EMC EMC Directive (2014/30/EU)
UK EMC (Electromagnetic Compatibility Regulations 2016)
Environment

RoHS Directive (2011/65/EU),
UK RoHS (The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations 2012),
China RoHS (MIIT Order No.32)
Safety FDA Regulations (21 CFR 1040.10 and 1040.11)*3
Applicable standards EN 60947-5-2, IEC 60825-1
NRTL Certification UL Recognized Components
Proximity Switch Certified for US and Canada.
Company standards Noise resistance: Feilen Level 3 cleared
Warm-up time Approx. 30 minutes
Material Housing: PBT, Front window: PMMA

*1: When used as an IO-Link device, do not use it at less than 18 VDC.
*2: For IO-Link/analog output type, value when DO2 is set to analog output (current) and measurement is not possible (outputting a current of 21 mA).
*3: Excluding differences per Laser Notice No. 56.


Precautions for Laser Use
This product emits a Class 1 or Class 2 visible laser beam that is compliant with JIS C6802/IEC 60825-1/FDA laser safety standards.
Labels for applicable standards are affixed to the product.
Type Red semiconductor laser
Wavelength 655 nm
Maximum output 0.39 mW (CLASS 1)
1 mW (CLASS 2)
● Exports to the United States
If this product will be exported to the United States, approval must first be obtained from the FDA (Food and Drug Administration), the laser regulating body of the United States.
A report for this product has been submitted to the CDRH (Center for Devices and Radiological Health).
If this product will be exported to the United States, please stick or replace the attached label on the product.


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