Baumer VLG-12M User guide

User´s Guide

VisiLine cameras (Gigabit Ethernet)

Document Version: v2.5

Release: 29.09.2017

Document Number: 11107262

2

3

Table of Contents

1. General Information ................................................................................................. 6

2. General safety instructions ..................................................................................... 7

3. Intended Use ............................................................................................................. 7

4. General Description ................................................................................................. 8

5. Camera Models ......................................................................................................... 9

6. Installation .............................................................................................................. 10

6.1 Environmental Requirements ................................................................................ 10

6.2 Heat Transmission .................................................................................................11

6.3 Mechanical Tests ................................................................................................... 12

7. Pin-Assignment ...................................................................................................... 13

7.1 Power Supply and Digital IOs ............................................................................... 13

7.2 Ethernet Interface (PoE) ....................................................................................... 13

7.2.1 LED Signaling ................................................................................................. 13

8. ProductSpecications .......................................................................................... 14

8.1 Spectral Sensitivity ................................................................................................ 14

8.2 Field of View Position ............................................................................................ 16

8.3 Acquisition Modes and Timings ............................................................................. 17

8.3.1 Free Running Mode ........................................................................................ 17

8.3.2 Fixed-Frame-Rate Mode ................................................................................ 18

8.3.3 Trigger Mode .................................................................................................. 19

8.3.4 Advanced Timings for GigE Vision

®

Message Channel .................................. 23

8.4 Software ................................................................................................................ 25

8.4.1 Baumer GAPI ................................................................................................. 25

8.4.2 3

rd

Party Software ........................................................................................... 25

9. Camera Functionalities .......................................................................................... 26

9.1 Image Acquisition .................................................................................................. 26

9.1.1 Image Format ................................................................................................. 26

9.1.2 Pixel Format ................................................................................................... 27

9.1.3 Exposure Time................................................................................................ 29

9.1.4 Fixed Pattern Noise Correction (FPNC) ......................................................... 30

9.1.5 High Dynamic Range (HDR) .......................................................................... 31

9.1.6 Look-Up-Table ................................................................................................ 32

9.1.7 Gamma Correction ......................................................................................... 32

9.1.8 Region of Interest ........................................................................................... 33

9.1.9 Binning............................................................................................................ 34

9.1.10 Brightness Correction (Binning Correction) .................................................. 39

9.1.11 Flip Image ..................................................................................................... 40

4

9.2 Color Processing ................................................................................................... 41

9.3 Color Adjustment – White Balance ....................................................................... 41

9.3.1 User-specic Color Adjustment ...................................................................... 41

9.3.2 One Push White Balance ............................................................................... 42

9.4 Analog Controls ..................................................................................................... 42

9.4.1 Offset / Black Level ......................................................................................... 42

9.4.2 Gain ................................................................................................................ 43

9.5 Pixel Correction ..................................................................................................... 44

9.5.1 General information ........................................................................................ 44

9.5.2 Correction Algorithm ....................................................................................... 45

9.5.3 Defectpixellist ................................................................................................. 45

9.6 Process Interface .................................................................................................. 46

9.6.1 Digital IOs ....................................................................................................... 46

9.6.2 IO Circuits ....................................................................................................... 47

9.6.3 Trigger ............................................................................................................ 48

9.6.4 Trigger Source ................................................................................................ 48

9.6.5 Debouncer ...................................................................................................... 49

9.6.6 Flash Signal .................................................................................................... 49

9.6.7 Timers ............................................................................................................. 50

9.6.8 Frame Counter ............................................................................................... 50

9.7 Sequencer ............................................................................................................. 51

9.7.1 General Information ........................................................................................ 51

9.7.2 Baumer Optronic Sequencer in Camera xml-le ............................................ 52

9.7.3 Examples ........................................................................................................ 53

9.7.4 Capability Characteristics of Baumer GAPI Sequencer Module .................... 53

9.7.5 Double Shutter ............................................................................................... 54

9.8 Device Reset ......................................................................................................... 54

9.9 User Sets .............................................................................................................. 55

9.10 Factory Settings .................................................................................................. 56

9.11 Timestamp ........................................................................................................... 56

10. Interface Functionalities ........................................................................................ 57

10.1 Device Information .............................................................................................. 57

10.2 Baumer Image Info Header ................................................................................. 57

10.3 Packet Size and Maximum Transmission Unit (MTU) ......................................... 58

10.4 Inter Packet Gap (IPG) ....................................................................................... 58

10.4.1 Example 1: Multi Camera Operation – Minimal IPG ..................................... 59

10.4.2 Example 2: Multi Camera Operation – Optimal IPG ..................................... 59

10.5 Transmission Delay ............................................................................................. 60

10.5.1 Time Saving in Multi-Camera Operation ...................................................... 60

10.5.2 Conguration Example ................................................................................. 61

10.6 Multicast .............................................................................................................. 63

10.7 IP Conguration .................................................................................................. 64

10.7.1 Persistent IP ................................................................................................. 64

10.7.2 DHCP (Dynamic Host Conguration Protocol) ............................................. 64

10.7.3 LLA ............................................................................................................... 65

10.7.4 Force IP ........................................................................................................ 65

10.8 Packet Resend .................................................................................................... 66

10.8.1 Normal Case................................................................................................. 66

10.8.2 Fault 1: Lost Packet within Data Stream ...................................................... 66

10.8.3 Fault 2: Lost Packet at the End of the Data Stream ..................................... 66

10.8.4 Termination Conditions ................................................................................. 67

10.9 Message Channel ............................................................................................... 68

10.9.1 Event Generation ......................................................................................... 68

5

10.10 Action Command / Trigger over Ethernet .......................................................... 69

10.10.1 Example: Triggering Multiple Cameras ...................................................... 69

11. Start-Stop-Behaviour ............................................................................................. 70

11.1 Start / Stop / Abort Acquisition (Camera)............................................................. 70

11.2 Start / Stop Interface ........................................................................................... 70

11.3 Acquisition Modes ............................................................................................... 70

11.3.1 Free Running ................................................................................................ 70

11.3.2 Trigger ........................................................................................................... 70

11.3.3 Sequencer .................................................................................................... 70

12. Cleaning .................................................................................................................. 71

13. Transport / Storage ................................................................................................ 71

14. Disposal .................................................................................................................. 71

15. Warranty Notes ....................................................................................................... 72

16. Support .................................................................................................................... 72

17. Conformity .............................................................................................................. 73

17.1 CE ....................................................................................................................... 73

17.2 Korean Conformity .............................................................................................. 73

6

1. General Information

Thanks for purchasing a camera of the Baumer family. This User´s Guide describes how

to connect, set up and use the camera.

Read this manual carefully and observe the notes and safety instructions!

Target group for this User´s Guide

This User's Guide is aimed at experienced users, which want to integrate camera(s) into

a vision system.

Copyright

Any duplication or reprinting of this documentation, in whole or in part, and the reproduc-

tion of the illustrations even in modied form is permitted only with the written approval of

Baumer. This document is subject to change without notice.

Classicationofthesafetyinstructions

In the User´s Guide, the safety instructions are classied as follows:

Notice

Gives helpful notes on operation or other general recommendations.

Caution

Pictogram

Indicates a possibly dangerous situation. If the situation is not avoided, slight

or minor injury could result or the device may be damaged.

7

2. General safety instructions

Caution

Heat can damage the camera. Provide adequate dissipation of heat, to

ensure that the temperatures does not exceed the value (see Heat Trans-

mission).

As there are numerous possibilities for installation, Baumer does not

specify a specic method for proper heat dissipation.

Caution

Observe precautions for handling electrostatic sensitive devices!

Caution

Class A

The camera is a class A device (DIN EN 55022:2011). It can cause radio

interference in residential environments. Should this happen, you must take

reasonable measures to eliminate the interference.

3. Intended Use

The camera is used to capture images that can be transferred over a GigE interface to a

PC.

8

4. General Description

1

2

3

4

No. Description No. Description

1 C-Mount lens connection 4 Power supply / Digital-IO

2 Ethernet Port

3 Digital-IO

All Baumer Gigabit Ethernet cameras of the VisiLine

®

family are characterized by:

Best image quality ▪ Low noise and structure-free image information

▪ High quality mode with minimum noise

Flexible image acquisition ▪ Industrially compliant process interface with

parameter setting capability (trigger and ash)

Fast image transfer ▪ Reliable transmission up to 1000 Mbit/sec accord-

ing to IEEE802.3

▪ Cable length up to 100 m

▪ PoE (Power over Ethernet)

▪ Baumer driver for high data volume with low CPU

load

▪ High-speed multi-camera operation

▪ Gen<I>Cam™ and GigE Vision

®

compliant

Perfect integration ▪ Flexible generic programming interface (Baumer

GAPI) for all Baumer cameras

▪ Powerful Software Development Kit (SDK) with

sample codes and help les for simple integration

▪ Baumer viewer for all camera functions

▪ Gen<I>Cam™ compliant XML le to describe the

camera functions

▪ Supplied with installation program with automatic

camera recognition for simple commissioning

Compact design ▪ Light weight

▪ exible assembly

Reliable operation ▪ State-of-the-art camera electronics and precision

mechanics

▪ Low power consumption and minimal heat genera-

tion

9

5. Camera Models

Camera Type

Sensor

Size

Resolution

Full

Frames

[max. fps]

CCD Sensor (monochrome / color)

VLG-02M / VLG-02C 1/4" 656 x 490 160

VLG-12M / VLG-12C 1/3" 1288 x 960 42

VLG-20M / VLG-20C 1/1.8" 1624 x 1228 27

CMOS Sensor (monochrome / color)

VLG-03M / VLG-03C 1/3" 640 x 480 376

VLG-22M / VLG-22C 2/3" 2044 x 1084 55

VLG-23M / VLG-23C 1/1.2" 1920 x 1200 53

VLG-24M / VLG-24C 1/1.2" 1920 x 1200 38.5

VLG-40M / VLG-40C 1" 2044 x 2044 29

Dimensions (except VLG-23M / VLG-23C, VLG-24M / VLG-24C)

33

26

33

9,38,6

15,68,7 8,7

20

26

2°

ø03

3,5

26

12

48,4 14,29,3

8 x M3 x 3

4 x M3 x 3

Pixel 0,0

C-Mount

temperature

measurement point

4 x M2 x 3

26

3,5

10

Dimensions (VLG-23M / VLG-23C, VLG-24M / VLG-24C only)

33

26

33

9,38,6

15,68,7 8,7

20

26

ø03

3,5

26

12

48,4

13,6

9,5

8 x M3 x 5

4 x M3 x 3

Pixel 0,0

C-Mount

temperature

measurement point

4 x M2 x 3

26

3,5

6. Installation

Lens mounting

Notice

Avoid contamination of the sensor and the lens by dust and airborne particles when

mounting the support or the lens to the device!

Therefore the following points are very important:

▪ Install the camera in an environment that is as dust free as possible!

▪ Keep the dust cover (bag) on camera as long as possible!

▪ Hold the print with the sensor downwards with unprotected sensor.

▪ Avoid contact with any optical surface of the camera!

6.1 Environmental Requirements

Temperature

Storage temperature -10°C ... +70°C ( +14°F ... +158°F)

Operating temperature* see Heat Transmission

* If the environmental temperature exceeds the values listed in the table below, the cam-

era must be cooled. (see Heat Transmission)

Humidity

Storage and Operating Humidity 10% ... 90%

Non-condensing

11

6.2 Heat Transmission

Caution

Heat can damage the camera. Provide adequate dissipation of heat, to

ensure that the temperature does not exceed 50°C (122°F).

As there are numerous possibilities for installation, Baumer does not

specify a specic method for proper heat dissipation.

T

Measure Point Maximal Temperature

T 50°C (122°F)

◄Figure2

Temperature measuring

point

12

6.3 Mechanical Tests

Environmen-

tal Testing

Standard Parameter

Vibration, sinu-

sodial

IEC 60068-2-6 Frequency

Range

10-2000 Hz

Amplitude under-

neath crossover

frequencies

1.5 mm

Acceleration 10 g

Test duration /

Axis

150 min

Vibration,

broad band

IEC 60068-

2-64

Frequency range 20-1000 Hz

Acceleration

RMS

10 g

Test duration /

Axis

300 min

Shock IEC 60068-

2-27

Puls time 11 ms

Acceleration 50 g

Bump IEC60068-2-

29

Pulse Time 6 ms

Acceleration 40 g

13

7. Pin-Assignment

7.1 Power Supply and Digital IOs

Power supply / Digital-IO

(SACC-DSI-M 8MS-6CON-L180 SH / SACC-DSI-M8FS-3CON-M10-L180 SH)

wire colors of the connecting cable

1

4

5

6

3

2

3

4

1

1 Power V

CC

brown 1 not used brown

2 IN 1 white 3 OUT 2 blue

3 GND blue 4 OUT 3 black

4 OUT 1 black

Notice

The electrical data are available in the

respective data sheet.

5 U

ext

OUT grey

6 GND I/O pink

7.2 Ethernet Interface (PoE)

Notice

The VisiLine

®

supports PoE (Power over Ethernet) IEEE 802.3af Clause 33, 48V Power

supply.

8P8C Modular Jack (RJ45) with LEDs

1

8

1 green/white MX1+ (negative / positive V

port

)

2 green MX1- (negative / positive V

port

)

3 orange/white MX2+ (positive / negative V

port

)

4 blue MX3+

5 blue/white MX3-

6 orange MX2- (positive / negative V

port

)

7 brown/white MX4+

8 brown MX4-

7.2.1 LED Signaling

1

2

LED Signal Meaning

1

green Link active

green ash Receiving

2 yellow Transmitting

◄Figure3

LED positions on Baum-

er VisiLine cameras.

14

8. ProductSpecications

8.1 Spectral Sensitivity

The spectral sensitivity characteristics of monochrome and color matrix sensors for Visi-

Line

®

cameras are displayed in the following graphs. The characteristic curves for the

sensors do not take the characteristics of lenses and light sources without lters into

consideration.

Values relating to the respective technical data sheets of the sensors.

0

0,1

0,2

0,3

0,4

0,5

0,6

0,7

0,8

0,9

1

300400 500600 700800 900100011001200

Wave Length [nm]

Transmission (1 = 100%)

Cover glass

300 400 500 600 700 800 900

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

Filter glass

400 500 600 700 800 900 1000

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-02M

400 450 500 550 600 650 700

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-02C

350 450 550 650 750 850 950 1050

Wave Length [nm]

Quantum Efficiency [%]

VLG-03M

350 450 550 650 750 850 950 1050

Wave Length [nm]

Quantum Efficiency [%]

VLG-03C

400 500 600 700 800 900 1000

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-12M

400 450 500 550 600 650 700

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-12C

Figure5►

Spectral sensitivities for

Baumer cameras with

0.2 MP CCD sensor.

Figure4►

Spectral sensitivities for

Baumer cameras with

0.3 MP CMOS sensor.

Figure6►

Spectral sensitivities for

Baumer cameras with

1,2 MP CCD sensor.

15

400 500 600 700 800 900

1000

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-20M

400 450 500 550 600 650

700

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-20C

350 450 550 650 750 850 950

1050

Wave Length [nm]

Quantum Efficiency [%]

VLG-22M / VLG-40M

350 450 550 650 750 850 950 105

0

Wave Length [nm]

Quantum Efficiency [%]

VLG-22C / VLG-40C

400 500 600 700 800 900 1000

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-23M

400 500 600 700 800 900 1000

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-23C

400 500 600 700 800 900 1000

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-24M

400 500 600 700 800 900 1000

0

0.2

0.4

0.6

0.8

1.0

Wave Length [nm]

Relative Response

VLG-24C

◄Figure7

Spectral sensitivities for

Baumer cameras with

2.0 MP CCD sensor.

◄Figure8

Spectral sensitivities

for Baumer cameras

with 5.0, 4,0 MP CMOS

sensor.

◄Figure8

Spectral sensitivities for

Baumer cameras with

2.3 MP CMOS sensor.

◄Figure8

Spectral sensitivities for

Baumer cameras with

2.3 MP CMOS sensor.

16

8.2 Field of View Position

The typical accuracy by assumption of the root mean square value is displayed in the

gure and the table below:

photosensitive

surface of the

sensor

front cover

glass

thickness:

1 ± 0.1 mm

cover glass

of sensor

thickness: D

optical path

c-mount (17.526 mm)

± XM

± YM

± YR

± XR

± α

± Z

A

14,6*

*13,6 (VLG-23/24)

Camera

Type

± x

M

[mm]

± y

M

[mm]

± x

R

[mm]

± Y

R

[mm]

± z

typ

[mm]

± α

typ

[°]

A

[mm]

D**

[mm]

VLG-02* 0.09 0.09 0.09 0.09 0.025 0.7 16.1 0.75

VLG-03* 0.07 0.07 0.07 0.07 0.025 1.23 17.54 0.45

VLG-12* 0.06 0.06 0.06 0.06 0.025 0.7 16.6 0.5

VLG-20* 0.06 0.06 0.06 0.06 0.025 0.7 16.6 0.5

VLG-22* 0.07 0,07 0.07 0.07 0.025 0,5 16.2 0.55 ± 0.05

VLG-23* 0.06 0.06 0.06 0.06 0.025 0.47 16.2 0.5

VLG-24* 0.06 0.06 0.06 0.06 0.025 0.47 16.2 0.5

VLG-40* 0.07 0,07 0.07 0.07 0.025 0,5 16.2 0.55 ± 0.05

typical accuracy by assumption of the root mean square value

* C or M

** Dimension D in this table is from manufacturer datasheet

Figure9►

Sensor accuracy of the

Baumer VisiLine

17

8.3 Acquisition Modes and Timings

The image acquisition consists of two separate, successively processed components.

Exposing the pixels on the photosensitive surface of the sensor is only the rst part of the

image acquisition. After completion of the rst step, the pixels are read out.

Thereby the exposure time (t

exposure

) can be adjusted by the user, however, the time need-

ed for the readout (t

readout

) is given by the particular sensor and image format.

Baumer cameras can be operated with three modes, the Free Running Mode, the Fixed-

Frame-Rate Mode and the Trigger Mode.

The cameras can be operated non-overlapped

*)

or overlapped. Depending on the mode

used, and the combination of exposure and readout time:

Non-overlapped Operation Overlapped Operation

Here the time intervals are long enough

to process exposure and readout succes-

sively.

In this operation the exposure of a frame

(n+1) takes place during the readout of

frame (n).

Exposur

e

Readout

Exposur

e

Readout

8.3.1 Free Running Mode

In the "Free Running" mode the camera records images permanently and sends them to

the PC. In order to achieve an optimal result (with regard to the adjusted exposure time

t

exposure

and image format) the camera is operated overlapped.

In case of exposure times equal to / less than the readout time (t

exposure

≤ t

readout

), the maxi-

mum frame rate is provided for the image format used. For longer exposure times the

frame rate of the camera is reduced.

Exposur

e

Readout

Flas

h

t

exposure(n)

t

flash(n)

t

flashdelay

t

flash(n+1)

t

readout(n+1)

t

readout(n)

t

exposure(n+1)

t

ash

= t

exposure

*) Non-overlapped means the same as sequential.

Image parameters:

Offset

Gain

Mode

Partial Scan

Timings:

A - exposure time

frame (n) effective

B - image parameters

frame (n) effective

C - exposure time

frame (n+1) effective

D - image parameters

frame (n+1) effective

18

8.3.2 Fixed-Frame-Rate Mode

With this feature Baumer introduces a clever technique to the VisiLine

®

camera series,

that enables the user to predene a desired frame rate in continous mode.

For the employment of this mode the cameras are equipped with an internal clock genera-

tor that creates trigger pulses.

Notice

From a certain frame rate, skipping internal triggers is unavoidable. In general, this de-

pends on the combination of adjusted frame rate, exposure and readout times.

19

8.3.3 Trigger Mode

After a specied external event (trigger) has occurred, image acquisition is started. De-

pending on the interval of triggers used, the camera operates non-overlapped or over-

lapped in this mode.

With regard to timings in the trigger mode, the following basic formulas need to be taken

into consideration:

Case Formula

t

exposure

< t

readout

(1) t

earliestpossibletrigger(n+1)

= t

readout(n)

- t

exposure(n+1)

(2) t

notready(n+1)

= t

exposure(n)

+ t

readout(n)

- t

exposure(n+1)

t

exposure

> t

readout

(3) t

earliestpossibletrigger(n+1)

= t

exposure(n)

(4) t

notready(n+1)

= t

exposure(n)

8.3.3.1 Overlapped Operation: t

exposure(n+2)

= t

exposure(n+1)

In overlapped operation attention should be paid to the time interval where the camera is

unable to process occuring trigger signals (t

notready

). This interval is situated between two

exposures. When this process time t

notready

has elapsed, the camera is able to react to

external events again.

After t

notready

has elapsed, the timing of (E) depends on the readout time of the current im-

age (t

readout(n)

) and exposure time of the next image (t

exposure(n+1)

). It can be determined by the

formulas mentioned above (no. 1 or 3, as is the case).

In case of identical exposure times, t

notready

remains the same from acquisition to acquisi-

tion.

Exposur

e

Readout

t

exposure(n)

t

readout(n+1)

t

readout(n)

t

exposure(n+1)

t

triggerdelay

t

min

Tr

igger

Flas

h

t

flash(n)

t

flashdelay

t

flash(n+1)

Tr

iggerReady

t

notready

Image parameters:

Offset

Gain

Mode

Partial Scan

Timings:

A - exposure time

frame (n) effective

B - image parameters

frame (n) effective

C - exposure time

frame (n+1) effective

D - image parameters

frame (n+1) effective

E - earliest possible trigger

20

8.3.3.2 Overlapped Operation: t

exposure(n+2)

> t

exposure(n+1)

If the exposure time (t

exposure

) is increased from the current acquisition to the next acquisi-

tion, the time the camera is unable to process occurring trigger signals (t

notready

) is scaled

down.

This can be simulated with the formulas mentioned above (no. 2 or 4, as is the case).

Exposure

Readout

t

exposure(n)

t

readout(n+1)

t

readout(n)

t

exposure(n+1)

t

exposure(n+2)

t

triggerdelay

t

min

Trigger

Flas

h

t

flash(n)

t

flashdelay

t

flash(n+1)

TriggerReady

t

notready

Image parameters:

Offset

Gain

Mode

Partial Scan

Timings:

A - exposure time

frame (n) effective

B - image parameters

frame (n) effective

C - exposure time

frame (n+1) effective

D - image parameters

frame (n+1) effective

E - earliest possible trigger

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Baumer VLG-12M User guide

Baumer VLG-12M User guide

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