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Value Output
9.4 Analog Output
An analog output of the sensor is possible with an optional controller CSP2008.
9.5 Error Handling
The measurement output of the optoNCDT 2300 sensor in case of an error can be done in different ways:
- Error output: No holding the last measurement value, output of error value
- Keep last value infinitely: Infinite holding of the last measurement value
- Keep last value: Holding the last measurement value on n numbers of measuring cycles; then an error value (maximum of 1024) is output. The number (n) of error values to be skipped can be specified via the web interface or command.
The command OUTHOLD sets the behavior of the measured value output, see Chap. A 6.5.1.3
optoNCDT 2300 Page 96
Instructions for Operating
10. Instructions for Operating
10.1 Reflection Factor of the Target Surface
In principle the sensor evaluates the diffuse part of the reflected laser light.
Laser beam Laser beam
2
Laser beam
Ideal diffuse reflection Direct mirror reflection
Real reflection, usually mixed
Fig. 50 Reflection factor of the target surface
A statement concerning a minimum reflectance is difficult to make, because even a small diffuse fraction can be evaluated from highly reflecting surfaces. This is done by determining the intensity of the diffuse reflection
from the CMOS signal in real time and subsequent compensation, see Chap. 3.2
measured, e.g. black rubber, may require longer exposure times. The exposure time is dependent on the measuring rate and can only be increased by reducing the sensor’s measuring rate. optoNCDT 2300 Page 97
Instructions for Operating
10.2 Error Influences
10.2.1 Light from other Sources
Thanks to their integrated optical interference filters the optoNCDT 2300 sensors offer outstanding performance in suppressing light from other sources. However, this does not preclude the possibility of interference from other light sources if the objects being measured are shiny and if lower measuring rates are selected.
Should this be the case it is recommended that suitable shields be used to screen the other light sources.
This applies in particular to measurement work performed in close proximity to welding equipment.
10.2.2 Color Differences
Because of intensity compensation, color difference of targets affect the measuring result only slightly. However, such color differences are often combined with different penetration depths of the laser light into the material. Different penetration depths then result in apparent changes of the measuring spot size. Therefore color differences in combination with changes of penetration depth may lead to measuring errors.
10.2.3 Surface Roughness
Laser-optical sensors detect the surface using an extremely small laser spot. They also track slight surface unevenness. In contrast, a tactile, mechanical measurement, e.g. using a caliper, detects a much larger area of the measurement object. In case of traversing measurements, surface roughnesses of 5 µm and more lead to an apparent distance change.
Suitable parameters for the averaging number may improve the comparability of optical and mechanical measurements.
optoNCDT 2300
h > 5 µm
Ceramic reference surface Structured surface
Recommendation for parameter choice:
- The averaging number should be selected in such a way that a surface area the size of which is comparable to those with mechanical measurements is averaged.
Page 98
Instructions for Operating
10.2.4 Temperature Influences
When the sensor is commissioned a warm-up time of at least 20 minutes is required to achieve uniform temperature distribution in the sensor. If measurement is performed in the micron accuracy range, the effect of temperature fluctuations on the sensor holder must be considered. Due to the damping effect of the heat capacity of the sensor sudden temperature changes are only measured with delay.
10.2.5 Mechanical Vibration
If the sensor should be used for resolutions in the µm to sub-µm range, special care must be taken to ensure stable and vibration-free mounting of sensor and target.
10.2.6 Movement Blurs
If the objects being measured are fast moving and the measuring rate is low it is possible that movement blurs may result. Always select a high measuring rate for high-speed operations, therefore, in order to prevent errors.
optoNCDT 2300 Page 99
Instructions for Operating
10.2.7 Angle Influences
Tilt angles of the target in diffuse reflection both around the X and the Y axis of less than 5 ° only have a disturbing effect with surfaces which are highly reflecting. Tilt angles between 5 ° and 15 ° lead to an apparent distance change of approximately 0.12 ... 0.2 % of the measuring range.
Tilt angles between 15 ° and 30 ° lead to an apparent distance change of approximately 0.5 % of the measuring range. optoNCDT 2300
X-axis Y-axis
Angle Angle
Fig. 51 Angle influences
Angle X-axis %
±5 ° typ. 0.12
±15 °
±30 ° typ. 0.2
typ. 0.5
Y-axis % typ. 0.12 typ. 0.2 typ. 0.5
Fig. 52 Measurement errors through tilting with diffuse reflection
Page 100
Instructions for Operating
10.3 Optimizing the Measuring Accuracy
Color strips Direction of movement correct
Grinding or rolling marks incorrect
(shadow)
In case of rolled or polished metals that are moved past the sensor the sensor plane must be arranged in the direction of the rolling or grinding marks. The same arrangement must be used for color strips.
Fig. 53 Sensor arrangement in case of ground or striped surfaces
In case of bore holes, blind holes, and edges in the surface of moving targets the sensor must be arranged in such a way that the edges do not obscure the laser spot.
Fig. 54 Sensor arrangement for holes and ridges
optoNCDT 2300 Page 101
Instructions for Operating
10.4 Cleaning
A periodically cleaning of the protective housings is recommended.
Dry cleaning
This requires a suitable optical antistatic brush or blow off the panels with dehumidified, clean and oil free compressed air.
Wet cleaning
Use a clean, soft, lint-free cloth or lens cleaning paper and pure alcohol (isopropanol) for cleaning the protective housing.
Do not use commercial glass cleaner or other cleansing agents.
10.5 Protective Housing
The protective housing are designed to be used especially if the sensor operates in diffuse reflection mode and in a dirty environment or higher ambient temperature. It is available as an accessory. If these protective housings are used, the linearity of the sensors in the complete system may deteriorate. For the sole purpose of protection against mechanical damage a simple protective shield with sufficiently large opening is therefore more advantageous. Installation of the sensors in the protective housings should be performed by the manufacturer, because especially in case of short reference distances the protective window must be included in the calibration.
10.5.1 Versions
- SGH size S, M: without air purging (with inlet and exhaust for cooling) and
- SGHF size S, M: with air purging.
optoNCDT 2300 Page 102
Instructions for Operating
SGH/SGHF size S 10.5.2 Guidelines
- The maximum ambient temperature within the protective housing is 45 °C.
- The requirements for compressed-air are:
Temperature at the inlet < 25 °C
The compressed-air must be free of oil and water residues. It is recommended to use two oil separators in series arrangement.
- With a flow rate for example 240 l/min (2.5E+5 Pa or 36.2 psi) the maximum outside temperature is 65 °C.
- For higher ambient temperatures it is recommended to use an additional water-cooled carrier and cover plates outside the protective housing.
- No direct heat radiation (including sunlight!) on the protective housing. In case of direct heat radiation additional thermal protective shields must be installed.
- It is recommended that the protective window is cleaned from time to time with a soft alcohol-soaked cloth or cotton pad.
10.5.3 Delivery
The rotatable plug-nipple glands type LCKN-1/8-PK-6 (FESTO) for the compressed-air tubes with a inner diameter of 6 mm, the air plate (SGHF) and the sensor fastening accessories are included in the delivery of the protective housing. i
The protection class is limited to water (no penetrating liquids or similar).
optoNCDT 2300 Page 103
Instructions for Operating
SGH/SGHF size M
For SGH size S: Exhaust air connector
For SGHF size S: Closed with blind plug
ø4.5 (dia. .18) (4x)
Mounting holes
Sensor cable with connector
Air inlet
(Air supply can be pivoted, for flexible tube with 6 mm inner diameter)
Laser spot
125 (4.92)
140 ((5.51)
168 (6.61)
47.9 (1.89)
Fig. 55 Protective housing for measuring ranges 2/10/20/50/100 mm
optoNCDT 2300
28
(1.10)
Page 104
Instructions for Operating
For SGH size M: Exhaust air connector
For SGHF size M: Closed with blind plug
60.0
Air inlet
(Air supply can be pivoted, for
Sensor cable with connector flexible tube with 6 mm inner diameter)
42.0
(1.65)
28.0
(1.1)
4 x
Mounting holes
ø4.5 (dia. .18) optoNCDT 2300
165 (6.50)
180 (7.09)
42.5
(1.67)
Laser spot
Fig. 56 Protective housing for measuring range 40 and 200 mm
32.5
(1.28)
71 (2.80)
Laser spot
Page 105
RS422 Connection with USB Converter
11. RS422 Connection with USB Converter
Sensor
14-pin ODU connector
Tx + (Pin 9)
Tx -(Pin 10)
Rx + (Pin 7)
USB converter
Typ USB-COMi-SI-M from MICRO-EPSILON
Rx + (Pin 3)
Rx -(Pin 4)
Tx + (Pin 2)
Cross the lines for connections between sensor and PC.
i
Disconnect or connect the
D-sub connection between
RS422 and USB converter when the sensor is disconnected from power supply only.
Rx -(Pin 8)
GND (Pin 2)
Tx -(Pin 1)
GND (Pin 5)
Fig. 57 Pin assignment and USB converter
12. Software Support with MEDAQLib
MEDAQLib offers you a documented driver DLL. Therewith you embed optoNCDT laser sensors, in combination with
- the RS422/USB converter, see Chap. A 1 or
- the 4-way converter IF2004/USB and connection cable PC2300-x/IF2008, see Chap. A 5
or
- the PCI interface card IF 2008 and the PC2300-x/IF2008 cable, see Chap. 8.
- Ethernet cards into an existing or a customized PC software.
MEDAQLib
- contains a DLL, which can be imported into C, C++, VB, Delphi and many additional programs,
- makes data conversion for you,
- works independent of the used interface type,
- features by identical functions for the communication (commands),
- provides a consistent transmission format for all MICRO-EPSILON sensors.
For C/C++ programmers MEDAQLib contains an additional header file and a library file. You will find the latest driver / program routine at: www.micro-epsilon.de/download www.micro-epsilon.de/link/software/medaqlib
Page 106 optoNCDT 2300
Liability for Material Defects
13. Liability for Material Defects
All components of the device have been checked and tested for functionality at the factory. However, if defects occur despite our careful quality control, MICRO-EPSILON or your dealer must be notified immediately.
The liability for material defects is 12 months from delivery.
Within this period, defective parts, except for wearing parts, will be repaired or replaced free of charge, if the device is returned to MICRO-EPSILON with shipping costs prepaid. Any damage that is caused by improper handling, the use of force or by repairs or modifications by third parties is not covered by the liability for material defects. Repairs are carried out exclusively by MICRO-EPSILON.
Further claims can not be made. Claims arising from the purchase contract remain unaffected. In particular,
MICRO-EPSILON shall not be liable for any consequential, special, indirect or incidental damage. In the interest of further development, MICRO-EPSILON reserves the right to make design changes without notification.
For translations into other languages, the German version shall prevail.
14. Decommissioning, Disposal
Remove the power supply and output cable from the sensor.
Incorrect disposal may cause harm to the environment.
Dispose of the device, its components and accessories, as well as the packaging materials in compliance with the applicable country-specific waste treatment and disposal regulations of the region of use.
optoNCDT 2300 Page 107
Service, Repair
15. Service, Repair
If the sensor or the sensor cable is defective:
- If possible, save the current sensor settings in a parameter
, in order to load again the settings back into the sensor after the repair.
- Please send us the effected parts for repair or exchange.
In the case of faults the cause of which is not clearly identifiable, the whole measuring system must be sent back to
MICRO-EPSILON Optronic GmbH
Lessingstraße 14
01465 Langebrück / Germany
Tel. +49 (0) 35201 / 729-0
Fax +49 (0) 35201 / 729-90 [email protected] www.micro-epsilon.com
Using the diagnostic file, see menu
Help/Info
, you can save the current sensor settings into a file. The diagnostics file effects the same result as the command
PRINT ALL, see Chap. A 6.3.1.7
optoNCDT 2300 Page 108
Appendix| Optional Accessories
Appendix
A 1 Optional Accessories
PC2300-x/SUB-D
PC2300-x/CSP
50.8(2)
ø15
(.59 dia.)
PC2300-x/IF2008
50.8 (2)
ø15
(.59 dia.) optoNCDT 2300
39.6
(1.56)
52
(2.05)
Power supply and output cable, x = length in m, drag chain suitable (x= 3, 6 or
9 m), for the supply with
24 VDC, signals: Ethernet,
Ethercat, RS422, synchronization, laser on/off and limit switches
Interface and power supply cable for connection to an extension clamp RS422, cable length x = 3 or 10 m
ø14.5
(.57 dia.)
C
SP
49.0
(1.93)
Interface and power supply cable for connection to an interface card IF2008/PCIE or the 4-way converter
IF2004/USB, cable length x
= 3 or 6 m
Page 109
Appendix| Optional Accessories
PC2300-x/C-Box/RJ45
PC2300-0.5/Y
PC2300-x/OE
IF2001/USB optoNCDT 2300
Power supply and output cable for connection to a C-Box/2A cable length x = 3, 6, 9 or 25 m
Power supply and output cable, 0.5 m long, for Ethernet connection and open ends
Power supply and output cable with open ends, cable length x = 3, 6 or 9 m
Converter RS422 to USB, type IF2001/USB, useable for cable PC2300-X/OE or
PC2300-X/SUB-D + PC2300-0,5/Y, inclusive driver, connections: 1× female connector 10-pin (cable clamp) type Würth
691361100010, 1x female connector 6-pin
(cable clamp) type Würth 691361100006
Page 110
Appendix| Optional Accessories
IF2030/PNET
Extension clamp RS422
IF2004/USB
PS2020 optoNCDT 2300
Interface module for PROFINET connection of a Micro-Epsilon sensor with RS485 or
RS422 interface, suitable for
PC2300-x/SUB-D or PC2300-0,5/Y cables, top-hat rail housing, incl. GSDML file for software integration in the PLC
EtherCAT extension clamp to connect two
ILD2300 sensors with a EtherCAT master.
Necessary cable: PC2300-x/CSP
4 channel converter RS422 to USB useable for cable PCxx00-x/IF2008 or PC2300-0.5/Y, inclusive driver, connections: 2× Sub-D, 1× terminal block
Power supply for mounting on DIN rail, input
230 VAC, output 24 VDC/2.5 A
Page 111
Appendix| Optional Accessories optoNCDT 2300
IF2008/PCIE
IF2008-Y adapter cable
Level converter
SU4-1
Level converter
SU4-2
C-Box
The IF2008/PCIE interface card enables the synchronous capture of 4 digital sensor signals series optoNCDT 2300 or others or
2 encoders. In combination with IF2008E a total of 6 digital signals, 2 encoder, 2 analog signals and 8 I/O signals can be acquired synchronously.
Used to connect two sensors with interface cable PC2300-x/IF2008 to a port of the
IF2008/PCIE.
Signal converter, 3 channels HTL on RS422,
Signal converter, 3 channels TTL on RS422 for trigger signal sources
Processing of 2 digital input signals. D/A converter of one digital measurement, output via current and voltage interface.
Assembly aid
ILD1700/2300, 20,5°
ILD1700/2300, 20,0°
ILD1700/2300, 13,8°
ILD1700/2300, 17,5°
Stock No.
0585014
0585011
0585016
0585015
Sensor
ILD2300-2
ILD2300-5 und -5BL
ILD2300-20
ILD2300-10
Aluminum device for easy mounting of a sensor in direct reflection.
Page 112
Appendix| Factory Setting
A 2
A 2.1
Factory Setting
Parameters
Parameter
Password
Measuring program
Measuring rate
Video averaging
Measurement averaging
Error handling
Statistics
Selection digital interface
Data selection
Ethernet
RS422
Output data rate
Trigger mode
Synchronization
Language
Value 1
„000“
Diffuse reflection
20 kHz none
Median 9
Hold last value
All measured values
Web diagram
Distance
Static IP address
691.200 Baud
1
No trigger
No synchronization
German
Value 2
Highest peak
200
169.254.168.150
optoNCDT 2300 Page 113
Appendix| Factory Setting
A 2.2 Set Default Settings
Used hardware:
- PC2300-x/Sub-D
- PC2300-0,5/Y
- RJ45 short-circuit plug
PC2300-0,5/Y
Laser off
In range
Midrange
Error
EtherCAT Ethernet
RUN
Power on
ERR
opto NCDT
LASER RADIATION
Do not stare into beam
≤
Class 2 Laser Product
IEC 60825-1: 20xx-xx
1mW; P
P
≤ μ
F=1.5...50kHz; =670nm
PC2300-x/SUB-D
RJ45 short-circuit plug
PS2020
Fig. 58 Default setting with a RJ45 short-circuit plug
Prerequisite: The supply voltage to the sensor is off.
Proceeding:
Connect the RJ45 short-circuit plug on the PC2300-0,5/Y cable, see Fig. 58
.
Switch on the supply voltage to the sensor.
Wait until to the end of the boot process in the sensor.
Booting finished
LED Ethernet/EtherCAT yellow
LED State any
Remove the RJ45 short-circuit plug.
i
Resetting the sensor to factory settings with a RJ45 short-circuit plug is possible for sensors that are shipped with a software version ≥ 009.xxx.yyy.
Page 114 optoNCDT 2300
Appendix| PC2300-0.5/Y
A 3 PC2300-0.5/Y
The PC2300-0.5/Y cable splits the sensor signals to an RJ45 female connector (Ethernet) and a cable with open leads. Cable length is 0.5 m.
Signal
+ U b
GND
+Laser on/off
- Laser on/off
Sync-in/out
/Sync-in/out
RxD-RS422
/RxD-RS422
TxD-RS422
/TxD-RS422
Shield
Tx - Ethernet
/Tx - Ethernet
Rx - Ethernet
/Rx - Ethernet
Shield
15-pin Sub-D connector
1
9
2
1
10
1
3
11
4
12
5
13
Housing
6
14
7
15
Housing
Open leads
white brown green yellow grey pink blue red black violet
Cable screen
RJ45 connector
1
2
3
6
Housing
Cable shield is provided with a ferrule. The strands of RS422 and synchronization are cut blunt.
1) +U b
and +Laser on/off are connected together. GND and –Laser on/off are connected together.
optoNCDT 2300 Page 115
Appendix| PC2300-x/OE
A 4 PC2300-x/OE
The PC2300-x/OE cable contains a 14-pin ODU round connector and open leads.
Cable length x in meters.
Signal
+ U b
Masse
+Laser on/off
- Laser on/off
Sync-in/out
/Sync-in/out
RxD-RS422
/RxD-RS422
TxD-RS422
/TxD-RS422
Tx - Ethernet
/Tx - Ethernet
Rx - Ethernet
/Rx - Ethernet
Shield
14-pin ODU
1
2 (advanced)
5
6
3
4
7
8
9
10
11
12
13
14
Housing
3
2
4
1
12
5
11
13
10
14
6
9
7
8
Sensor round pin plug, view: Solderpin side male cable connector
Cable shield is provided with a ferrule, others are cut blunt.
Open leads
white brown green yellow grey pink blue red black violet grey-pink red-blue white-green brown-green
Cable shield optoNCDT 2300 Page 116
Appendix| IF2004/USB
A 5 IF2004/USB
IF2008-Y adaptation cable
PC2300-X/IF2008
The 4-channel RS422/USB converter with trigger input is designed for one to four optical sensors with RS422 interface. The data is output through the USB interface. The sensors are supplied through the converter.
optoNCDT 2300 Page 117
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