IFM Electronic efector 250 Manuel utilisateur
Operating instructions
Object inspection sensor
O2V
80232358 / 00 10 / 2015
UK
Object inspection sensor O2V
2
Contents
1 Preliminary note ................................................. 4
1.1 Symbols used............................................... 4
2 Safety instructions ............................................... 4
3 Items supplied................................................... 4
3.1 Accessories ................................................ 4
4 Functions and features ............................................ 5
5 Installation...................................................... 5
5.1 Mounting accessory .......................................... 5
5.2 Mounting dimensions ......................................... 6
5.3 Installation location........................................... 6
6 Electrical connection.............................................. 7
6.1 Wiring ..................................................... 8
6.2 Wiring diagram .............................................. 8
6.3 External illumination .......................................... 9
6.4 External trigger source ........................................ 9
6.5 Timing diagrams ............................................ 10
6.5.1 Inputs/outputs ............................................ 10
6.5.2 Static selection of the application ............................. 12
6.5.3 Pulse-controlled selection of the application ..................... 13
7 Operating and display elements .................................... 14
7.1 LED display ............................................... 14
7.2 Display ................................................... 15
7.2.1 Operating indicators ....................................... 15
7.2.2 Evaluation results ......................................... 16
7.2.3 Connection via the operating program ......................... 16
7.2.4 Error messages ........................................... 16
7.3 Pushbuttons ............................................... 16
8 Set-up ........................................................ 17
8.1 Parameter setting on the unit .................................. 17
8.2 Verify and set the IP address on the unit ......................... 17
8.3 Adjustable parameters ....................................... 18
8.3.1 Parameter structure........................................ 19
8.4 Lock / unlock sensor......................................... 20
8.4.1 Lock the reading or changing of sensor parameters. .............. 20
8.4.2 Lock changing of sensor parameters. .......................... 20
8.4.3 Unlock the sensor ......................................... 20
8.4.4 Reset device to factory settings .............................. 21
8.4.5 Reboot the unit. ........................................... 21
8.5 Parameter setting via PC operating program ...................... 21
9 Operation ..................................................... 22
9.1 Evaluation mode (normal operating mode) ....................... 22
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Object inspection sensor O2V
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10 Scale drawing ................................................. 22
11 Technical data ................................................. 23
11.1 Operating distance L........................................ 23
11.2 Factory settings ........................................... 23
12 Process data protocol........................................... 24
12.1 Configuring the process interface.............................. 24
12.2 Communication basics ...................................... 24
12.2.1 Abbreviations and terms ................................... 24
12.2.2 Commands for the device .................................. 24
12.2.3 Replies from the device.................................... 24
12.3 Protocol versions .......................................... 25
12.4 Command types ........................................... 25
12.5 Release trigger ............................................ 26
12.6 Release trigger, evaluate captured image and result output via process
interface ..................................................... 26
12.7 Select protocol version ...................................... 26
12.8 Select the application ....................................... 27
12.9 activate/deactivate result output............................... 27
12.10 Transmit the application data set to the device .................. 27
12.11 Request the assignment of the application data from the device ..... 28
12.12 Request the statistics from the device ......................... 28
12.13 Request the error code from the device ........................ 28
12.14 Request the last image from the device ........................ 29
12.15 Request the last result from the device ........................ 29
12.16 Request the protocol version ................................ 29
12.17 Request the device information .............................. 30
12.18 Request the last "bad" image from the device ................... 30
12.19 Request help for process interface............................ 31
12.20 Result message .......................................... 31
12.21 Error codes from the device ................................. 34
13 Maintenance, repair and disposal.................................. 37
14 Approvals/standards ............................................ 37
15 Note on the software............................................ 37
Object inspection sensor O2V
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1 Preliminary note
1.1 Symbols used
►Instruction
> Reaction, result
[…] Designation of pushbuttons, buttons or indications
→Cross-reference
Important note
Non-compliance can result in malfunction or interference
Information
Supplementary note
2 Safety instructions
These instructions are part of the device. They contain information and illustrations
about the correct handling of the device and must be read before installation or
use.
Observe the operating instructions.
Non-observance of the instructions, operation which is not in accordance with use
as prescribed below, wrong installation or incorrect handling can affect the safety
of operators and machinery.
The installation and connection must comply with the applicable national and inter-
national standards. Responsibility lies with the person installing the unit.
Only the signals indicated in the technical data or on the device label may be sup-
plied to the connections or wires.
3 Items supplied
1 object inspection sensor O2V
1 screwdriver to set the image definition
1 operating instructions "Object inspection sensor O2V“, ident no.: 706239
The device is supplied without installation/connection accessories or software.
3.1 Accessories
www.ifm.com
→ data sheet search → e.g. O2V100 → Accessories
UK
Object inspection sensor O2V
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4 Functions and features
The object inspection sensor monitors an object for completeness, shape de-
viations or colour changes. The unit uses incident light or back light to detect a
grey-scale pattern of the object. On the basis of the determined brightness values
the sensor differentiates between the object to be monitored and the background.
Then the unit compares the image found with one or several models in a reference
image. Depending on the degree of conformity the output can indicate if a model
was found or which one was found.
5 Installation
5.1 Mounting accessory
The device is compatible with the mounting accessories for ifm's photoelectric sen-
sors of the O2Dxxx (object recognition sensor), O2Ixxx (multicode reader) series
etc.
Example mounting with clamp and bracket
►Use the mounting accessory E2D110.
1. Focal setter
2. Mounting accessory
3. Object to be recognised
4. Field of view size W X H
5. Operating distance L
Object inspection sensor O2V
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Depending on the intended location and type of mounting the following mounting
accessories are available:
Description Art. no.
Mounting set for shaft Ø 12 mm
(clamp and bracket for types O2Dxxx, O2Mxxx, O2Ixxx, O2Vxxx)
E2D110
Shaft, straight Ø 12 mm, length 130 mm, M10 E20938
Shaft, angled Ø 12 mm, length 200 mm, M10 E20940
Mounting set for shaft Ø 14 mm
(clamp and bracket for types O2Dxxx, O2Mxxx, O2Ixxx, O2Vxxx)
E2D112
Shaft, straight Ø 14 mm, length 130 mm, M12 E20939
Shaft, angled Ø 14 mm, length 200 mm, M12 E20941
You can find more information about the available accessories at:
www.ifm.com
→ data sheet search → e.g. O2V100 → Accessories
or directly
www.ifm.com
→ data sheet search → e.g. E2D110
5.2 Mounting dimensions
The device is mounted using the mounting accessories or 2 M4 screws and nuts.
Hole dimensions → Chapter 10 Scale drawing.
5.3 Installation location
►Mount the sensor in front of or above the area to be monitored.The detectable
field of view size depends on the operating distance → Chapter 11.1 Technical
Data.
►Back light or scattered light situations and continuously changing light condi-
tions are to be avoided.
►Do not position room lights directly facing the camera lens.
►Position the optional external illumination (e.g. O2D905) opposite the camera
lens.
►To avoid adverse effects on the image detection, avoid installation in dirty areas
of the machine.
►The connected cables must be provided with a strain relief.
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Object inspection sensor O2V
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6 Electrical connection
NOTE
The unit must be connected by a qualified electrician.
►Disconnect power before connecting the unit.
NOTE
The voltage on pins 2, 4, 5, 6, 7 and 8 must not exceed the supply voltage on
pin 1 (U+).
►Use the same power supply and protective equipment for
●the device (e.g. O2Dxxx),
●the signal generator at the inputs (e.g. trigger switch, plc),
●the signal pick-up at the outputs (e.g. plc).
As an alternative, a diode at the switching outputs can prevent feedback
(see fig. below).
O O
1 unit
2 switching output
3 diode
4 plc
5 common load
Object inspection sensor O2V
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6.1 Wiring
Process interface (1)
M12 plug, A-coded, 8 poles (view on the unit)
1 U+
2 trigger input
3 0V
4 switching output / trigger output
5 switching output (ready)
6 switching output (OUT)
7 switching output / input 1
8 switching output / input 2
Parameter/process interface (2)
M12 socket, D-coded, 4 poles (view on the unit)
1 Ethernet TD +
2 Ethernet RD +
3 Ethernet TD -
4 Ethernet RD -
S Screen
6.2 Wiring diagram
CB
D
A
A:
process interface
B:
controller e.g. PLC
C:
external trigger
D:
external illumination
(optional)
Pin Use (factory setting)
5
Output signal "READY" provides the status of the sensor:
"1" after the evaluation has been carried out. "0" as long as the evaluation is being carried out, a
different application is being selected or in case of an internal error (trigger signals are ignored).
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Output signal "OUT" provides the result of the evaluation:
"0" no matching model "1" matching model
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Object inspection sensor O2V
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►For PNP units (e.g. O2V100) use trigger sensors, illumination units and control-
lers with PNP inputs and outputs.
►For NPN units (e.g. O2V101) use trigger sensors, illumination units and control-
lers with NPN inputs and outputs.
6.3 External illumination
►Connect external illumination to the trigger output of the device.
Example Art. no.
Backlight, 100 x 100 mm, infrared light 880 nm O2D905
For information about the example above see:
www.ifm.com
→ data sheet search → O2D905
6.4 External trigger source
►Connect an external trigger source (e.g. a diffuse reflection sensor) to the trig-
ger input of the device.
Object inspection sensor O2V
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6.5 Timing diagrams
6.5.1 Inputs/outputs
4.1
4.2
Example: Triggering positive edge
1: trigger input trigger signal
0: no action
1: triggering on positive edge
2: output READY ready signal
0: unit busy, OUT output not valid
1: unit ready for trigger signal, OUT output valid
3: OUT output,
static
object evaluation
0: object evaluation not successful
1: object evaluation successful
example 1 (dashed line):
last object OK, OUT = 1
next object faulty, OUT 1 → 0
next object OK, OUT 0 → 1
example 2 (solid line):
last object faulty, OUT = 0
next object OK, OUT 0 → 1
next object OK, OUT = 1
4 OUT output,
pulsed
object evaluation
0: object evaluation not successful or timeout of pulse length
1: object evaluation successful
example 4.1:
both objects OK, OUT = 1
after expiration of tB, OUT = 0
example 4.2:
first object OK, OUT = 1
after expiration of tB, OUT = 0
second object faulty, OUT = 0
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