Leuze electronic CML 720i Ex User manual

CML 720i Ex
Measuring light curtain
Original operating instructions
EN 2016/0750127390 We reserve the right to make technical changes

Leuze electronic CML 720i Ex 2
Leuze electronic GmbH + Co. KG
In der Braike 1
D-73277 Owen / Germany
Phone: [phone]
Fax: [phone]
http://www.leuze.com

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1 About this document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.1 Used symbols and signal words . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.2 Terms and abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.2 Foreseeable misuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.3 Competent persons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.4 Exemption of liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.5 Notices for the safe use of sensors in potentially explosive areas . . . . . . . . . . . . . . . . . . 11
3 Device description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 General performance characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.3 Connection technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.4 Display elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.4.1 Operation indicators on the receiver control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.4.2 Display on the receiver control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.4.3 Operating indicators on the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.5 Operating elements on the receiver control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.6 Menu structure of the receiver control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.7 Menu navigation on the receiver control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.7.1 Meaning of the display icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.7.2 Level display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.7.3 Menu navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.7.4 Editing value parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.7.5 Editing selection parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4 Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1 Beam modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1.1 Parallel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1.2 Diagonal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1.3 Crossed-beam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.2 Measurement beam sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
4.3 Beam-stream . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.4 Evaluation functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.5 Hold function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.6 Blanking. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.7 Power-Up Teach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.8 Smoothing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.9 Cascading/triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
4.9.1 External triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.9.2 Internal triggering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.10 Block evaluation of beam areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
4.10.1Defining beam area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.10.2Autosplitting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.10.3Mapping beam area to switching output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
4.10.4Teach height area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
4.11 Switching outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.11.1Light/dark switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.11.2Time functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
4.12 Interference suppression (filter depth). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

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5 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.1 Height measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5.2 Object measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
5.3 Width measurement, orientation detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
5.4 Contour measurement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.5 Gap control/gap measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
5.6 Hole recognition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
6 Mounting and installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6.1 Mounting the light curtain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
6.2 Definition of directions of movement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
6.3 Fastening via sliding blocks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
6.4 Fastening via swivel mount . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
6.5 Fastening via swiveling mounting brackets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
7 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.1 Shielding and line lengths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.1.1 Shielding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
7.1.2 Cable lengths for shielded cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
7.2 Connection and interconnection cables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
7.3 Device connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
7.4 Digital inputs/outputs on connection X1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
7.5 Electrical connection – CML 720i Ex with CANopen or IO-Link interface . . . . . . . . . . . . . 51
7.5.1 Pin assignment – CML 720i Ex with CANopen or IO-Link interface . . . . . . . . . . . . . . . . . 52
7.5.2 X2 pin assignment – CML 720i Ex with CANopen interface . . . . . . . . . . . . . . . . . . . . . . . 54
7.6 Electrical supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
8 Starting up the device - Basic configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
8.1 Aligning transmitter and receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
8.2 Teaching the environmental conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8.2.1 Teach via receiver control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
8.2.2 Teaching via a control signal from the control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.3 Check alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
8.4 Setting the function reserve. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
8.5 Extended configurations on the receiver control panel menu . . . . . . . . . . . . . . . . . . . . . . 61
8.5.1 Define digital inputs/outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
8.5.2 Inversion of the switching behavior (light/dark switching) . . . . . . . . . . . . . . . . . . . . . . . . . 63
8.5.3 Defining the filter depth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
8.5.4 Defining the display properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
8.5.5 Changing the language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
8.5.6 Product information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
8.5.7 Reset to factory settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
9 Starting up the device - IO-Link interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
9.1 Defining IO-Link device configurations on the receiver control panel . . . . . . . . . . . . . . . . 66
9.2 Defining configurations via the IO-Link master module of the PLC-specific software . . . . 66
9.3 Parameter/process data for IO-Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
10 Starting up the device - CANopen interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
10.1 Defining the CANopen basic configuration on the receiver control panel . . . . . . . . . . . . . 82
10.2 Defining configurations via the PLC-specific software of the CANopen master . . . . . . . . 82
10.3 Parameter- / process data for CANopen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

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11 Example configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
11.1 Example configuration - Reading out 64 beams (beam-stream) . . . . . . . . . . . . . . . . . . . . 98
11.1.1Configuration of beam-stream process data via IO-Link interface . . . . . . . . . . . . . . . . . . 98
11.1.2Configuration of beam-stream process data via CANopen interface . . . . . . . . . . . . . . . . 98
11.2 Example configuration - Mapping of beams 1 … 32 to output pin 2 . . . . . . . . . . . . . . . . . 98
11.2.1Configuration of area/output mapping (general) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
11.2.2Configuration of an area/output mapping via IO-Link interface . . . . . . . . . . . . . . . . . . . . . 99
11.2.3Configuration of area/output mapping via CANopen interface . . . . . . . . . . . . . . . . . . . . 100
11.3 Example configuration - Hole recognition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
11.3.1Configuration of hole recognition via IO-Link interface . . . . . . . . . . . . . . . . . . . . . . . . . . 101
11.3.2Configuration of hole recognition via CANopen interface . . . . . . . . . . . . . . . . . . . . . . . . 101
11.4 Example configuration - Activating and deactivating blanking areas. . . . . . . . . . . . . . . . 101
11.4.1Configuration of blanking areas (general) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
11.4.2Configuration of blanking areas via IO-Link interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
11.4.3Configuration of blanking areas via CANopen interface . . . . . . . . . . . . . . . . . . . . . . . . . 102
11.5 Example configuration – smoothing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
11.5.1Smoothing configuration (general) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
11.5.2Configuration of smoothing via IO-Link interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
11.5.3Configuration of smoothing via CANopen interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
11.6 Example configuration - Cascading. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
11.6.1Configuration of a cascading arrangement (general) . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
11.6.2Configuration of a cascading arrangement via IO-Link interface. . . . . . . . . . . . . . . . . . . 105
11.6.3Configuration of a cascading arrangement via CANopen interface. . . . . . . . . . . . . . . . . 107
12 Connecting to a PC – Sensor Studio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
12.1 System requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
12.2 Installing
Sensor Studio configuration software and IO-Link USB master. . . . . . . . . . . . 110
12.2.1Installing the
Sensor Studio FDT frame. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
12.2.2Installing drivers for IO-Link USB master . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
12.2.3Connecting IO-Link USB master to the PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
12.2.4Connect the IO-Link USB master to the light curtain. . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
12.2.5Installing the DTM and IODD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
12.3 Starting the
Sensor Studio configuration software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
12.4 Short description of the
Sensor Studio configuration software . . . . . . . . . . . . . . . . . . . . 114
12.4.1FDT frame menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
12.4.2
IDENTIFICATION function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
12.4.3
CONFIGURATION function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
12.4.4
PROCESS function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
12.4.5
DIAGNOSIS function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
12.4.6
Exiting Sensor Studio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
13 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
13.1 What to do in case of failure? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
13.2 Operating indicators of the LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
13.3 Error codes in the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
14 Care, maintenance and disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
14.1 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
14.2 Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
14.2.1Firmware update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
14.3 Disposing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
15 Service and support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
16 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Leuze electronic CML 720i Ex 6
16.1 General specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
16.2 Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
16.3 Minimum object diameter for stationary objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
16.4 Dimensioned drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
16.5 Dimensioned drawings: Accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
17 Ordering information and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
17.1 Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
17.2 Accessories – CML 720i Ex with CANopen or IO-Link interface . . . . . . . . . . . . . . . . . . . 135
17.3 Accessories – fastening technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
17.4 Accessories – PC connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
17.5 Accessories - Device columns. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
17.6 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
18 EC Declaration of Conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

About this document
Leuze electronic CML 720i Ex 7
1 About this document
These original operating instructions contain information regarding the proper use of the CML 700i
measuring light curtain series. It is included in the delivery contents.
1.1 Used symbols and signal words
Table 1.1: Warning symbols, signal words and symbols
Table 1.2: Operating on the display
1.2 Terms and abbreviations
Figure 1.1: Terms and abbreviations
Pay attention to passages marked with this symbol. Failure to observe the pro-
vided instructions could lead to personal injury or damage to equipment.
NOTE
Signal word for property damage
Indicates dangers that may result in property damage if the measures for dan-
ger avoidance are not followed.
Symbol for tips
Text passages with this symbol provide you with further information.
Symbols for action steps
Text passages with this symbol instruct you to perform actions.
Main Settings
Bold text
Indicates that this field is currently selected and appears highlighted in
the receiver display.
Digital IOs
Normal text
Indicates that this field is not currently selected (is not highlighted in the
receiver display).
DTM (Device Type Manager) Software device manager of the sensor
IO Input Output
FB (First Beam) First beam
FIB (First Interrupted Beam) First interrupted beam
FNIB (First Not Interrupted Beam) First not interrupted beam
FDT (Field Device Tool) Software frame for management of device managers (DTM)
LB (Last Beam) Last beam
LIB (Last Interrupted Beam) Last interrupted beam
LNIB (Last Not Interrupted Beam) Last not interrupted beam
TIB (Total Interrupted Beams) Total of interrupted beams
TNIB (Total Not Interrupted Beams) Total of not interrupted beams (TNIB = n - TIB)
n Number of all logical beams of a light curtain; dependent on the
selected measurement field length and resolution as well as the
beam mode (parallel- / diagonal- / crossed-beam scanning)
EDS Electronic Data Sheet (EDS file for CANopen interface)
Description of the device for the control

About this document
Leuze electronic CML 720i Ex 8
GSD (Generic Station Description) Device master data file (GSD file for PROFIBUS interface)
Description of the device for the control
IODD IO Device Description (IODD file for IO-Link interface)
Description of the device for the control
GUI (Graphical User Interface) Graphical user interface
RTU Remote Terminal Unit (serial RS 485 Modbus RTU mode)
PLC Programmable Logic Control
(corresponds to Programmable Logic Controller (PLC))
Response time per beam Length of time for the evaluation of a beam
Resolution The minimum size of an object that can be reliably detected.
With parallel-beam evaluation, the smallest object to be
detected corresponds to the sum of beam spacing and optic
diameter.
Delay before start-up Duration between the switching on of the supply voltage and
the start of operational readiness of the light curtain
Function reserve (sensitivity adjust-
ment)
Ratio of the optical reception power set during the teach event
and the minimum light quantity required to switch the individual
beam. This compensates for the light attenuation caused by
dirt, dust, smoke, humidity and vapor.
High function reserve = low sensitivity
Low function reserve = high sensitivity
Measurement field length Optical detection range between the first and last beam
Beam spacing Center-to-center spacing between two beams
Cycle time Sum of the response times of all beams of a light curtain plus
the duration of the internal evaluation.
Cycle time =
number of beams x response time per beam + evaluation time

About this document
Leuze electronic CML 720i Ex 9
1 TIB (total of interrupted beams)
2 TNIB (total of not interrupted beams)
3 LIB (Last interrupted beam )
4 LNIB (Last not interrupted beam)
5 FNIB (First not interrupted beam)
6 FIB (First interrupted beam)
Figure 1.2: Definition of terms
1
6
3
2
2
5
4

Safety
Leuze electronic CML 720i Ex 10
2 Safety
This sensor was developed, manufactured and tested in line with the applicable safety standards. It corre-
sponds to the state of the art.
2.1 Intended use
The device is designed as a measuring and object-detecting, configurable, multi-sensor unit.
Areas of application
The measuring light curtain is designed for the measurement and detection of objects for the following
areas of application in handling and warehousing systems, the packaging industry or a comparable envi-
ronment:
• Height measurement
• Width measurement
• Contour measurement
• Orientation detection
2.2 Foreseeable misuse
Any use other than that defined under “Intended use” or which goes beyond that use is considered
improper use.
In particular, use of the device is not permitted in the following cases:
• Circuits relevant to safety
• Operation for medical purposes
2.3 Competent persons
Connection, mounting, commissioning and adjustment of the device must only be carried out by competent
persons.
CAUTION
Observe intended use!
Only operate the device in accordance with its intended use.
The protection of personnel and the device cannot be guaranteed if the device is operated in a manner
not complying with its intended use.
Leuze electronic GmbH + Co. KG is not liable for damages caused by improper use.
Read the original operating instructions before commissioning the device.
Knowledge of the original operating instructions is an element of proper use.
NOTICE
Comply with conditions and regulations!
Observe the locally applicable legal regulations and the rules of the employer's liability insurance asso-
ciation.
NOTICE
Do not modify or otherwise interfere with the device!
Do not carry out modifications or otherwise interfere with the device.
The device must not be tampered with and must not be changed in any way.
The device must not be opened. There are no user-serviceable parts inside.
Repairs must only be performed by Leuze electronic GmbH + Co. KG.

Safety
Leuze electronic CML 720i Ex 11
Prerequisites for competent persons:
• They have a suitable technical education.
• They are familiar with the rules and regulations for occupational safety and safety at work.
• They are familiar with the original operating instructions of the device.
• They have been instructed by the responsible person on the mounting and operation of the device.
Certified electricians
Electrical work must be carried out by a certified electrician.
Due to their technical training, knowledge and experience as well as their familiarity with relevant stan-
dards and regulations, certified electricians are able to perform work on electrical systems and indepen-
dently detect possible dangers.
In Germany, certified electricians must fulfill the requirements of accident-prevention regulations BGV A3
(e.g. electrician foreman). In other countries, there are respective regulations that must be observed.
2.4 Exemption of liability
Leuze electronic GmbH + Co. KG is not liable in the following cases:
• The device is not being used properly.
• Reasonably foreseeable misuse is not taken into account.
• Mounting and electrical connection are not properly performed.
• Changes (e.g., constructional) are made to the device.
2.5 Notices for the safe use of sensors in potentially explosive areas
These notices apply for devices with the following classification:
Table 2.1: Classification of the devices
Installation and Commissioning
Only have the devices installed and commissioned by certified electricians.
The certified electricians must be knowledgeable of the regulations and the operation of explosion-proof
equipment.
Prevent unintended disconnection while under voltage.
Devices with connector must be equipped with a safeguard or a mechanical interlocking guard; see
table 17.9.
Attach the warning sign “Do not disconnect under voltage” that is supplied with the device to the sensor
or the mounting bracket so that it is clearly visible.
Device group Device category Equipment protection
level
Zone
II 3G Gc 2 (gas)
II 3D Dc 22 (dust)
WARNING
Safe use of sensors in potentially explosive areas!
Check whether the device classification corresponds to the requirements of the application.
A safe operation is only possible if the devices are used properly and for their intended purpose.
The devices are not suited for the protection of persons and may not be used for emergency shutdown
purposes.
Electrical devices may endanger humans and (where applicable) animal health, and may threaten the
safety of goods if used incorrectly or under unfavorable conditions in potentially explosive areas.
Observe the applicable national regulations (e.g., EN 60079-14) for the configuration and installation
of explosion-proof systems.

Safety
Leuze electronic CML 720i Ex 12
Protect the connection cables and connectors from excessive pulling or pushing strain.
Avoid electrostatic charging.
Integrate metallic parts (e.g., housing, mounting devices) in the potential equalization.
Prevent dust deposits from forming on the devices.
Maintenance
Make no changes to explosion-proof devices.
Cyclical maintenance of the device is not necessary.
Replace defective devices immediately.
Only have repairs performed by the manufacturer.
Clean the lens cover of the device from time to time; see chapter 14 "Care, maintenance and disposal".
Chemical resistance
• The devices demonstrate good resistance against diluted (weak) acids and bases.
• Exposure to organic solvents is possible only under certain circumstances and only for short periods
of time.
• Test the resistance to chemicals on a case-by-case basis.
Special conditions
Protect the devices from direct exposure to UV rays.
The devices must be installed in such a way that they are not directly exposed to any UV rays (sunlight).
Avoid static charging on plastic surfaces.

Device description
Leuze electronic CML 720i Ex 13
3 Device description
3.1 General information
The light curtains of the CML 700i series are designed as measuring and object-detecting, configurable,
multi-sensor units. Depending on the configuration and model, the devices are suitable for a variety of
tasks with various resolutions and can be integrated in different control environments.
The total system of the light curtain consists of a transmitter and a receiver, including the connection and
interconnection cables.
• Transmitter and receiver are connected to one another via a synchronization cable.
• The integrated control panel with indicators and operational controls for configuring the total system
is located on the receiver.
• The shared power supply is provided via connection X1 on the receiver.
1 Transmitter
2 Receiver
3 IO Logic with control panel
4 Control (PLC)
5 Synchronization cable
6 Connection cable for supply voltage and measurement data interface
Figure 3.1: Total system in combination with a programmable logic control
3.2 General performance characteristics
The most important performance characteristics of the CML 720i Ex series are:
• Operating range up to 7000 mm
• Measurement field length from 130 mm to 2950 mm
• Beam spacings of 5 mm*, 10 mm, 20 mm, 40 mm*
*: Devices with beam spacing of 5 mm and 40 mm can only be ordered upon consultation with
Leuze electronic.
• Response time 30 µs per beam
• Beam modes: parallel, diagonal, crossed-beam
• Single-beam evaluation (beam-stream)
• Evaluation functions: TIB, TNIB, LIB, LNIB, FIB, FNIB, status of beam areas 1 … 32, status of the
digital inputs/outputs
• Local control panel with display
• Interfaces to the machine control:
• IO-Link and CANopen interfaces:
X2X3
3
2 41
X1
5 6

Device description
Leuze electronic CML 720i Ex 14
2 digital inputs/outputs (configurable)
• Blanking of unnecessary beams
• Smoothing for interference suppression
• Cascading of multiple devices
• Block evaluation of beam areas
• Position / hole recognition with continuous web material
• Explosion protection
• Zone 22 (dust)
Devices with measurement field length from 130 mm to 2950 mm
• Zone 2 (gas)
Devices with measurement field length from 130 mm to 2550 mm
3.3 Connection technology
The transmitter and receiver feature an M12 connector with the following number of pins:
3.4 Display elements
The display elements show the device status in operation and provide support during commissioning and
error analysis.
Located on the receiver is a control panel with the following display elements:
•two LEDs
• one OLED display (Organic Light-Emitting Diode), two-line
Located on the transmitter is the following display element:
•one LED
3.4.1 Operation indicators on the receiver control panel
Two function indicator LEDs are located on the receiver control panel.
1 LED1, green
2 LED2, yellow
Figure 3.2: LED indicators on the receiver
Device type Designation on device Plug/socket
Receiver X1 M12 plug, 8-pin
Receiver X2 M12 socket, 5-pin
Transmitter X3 M12 plug, 5-pin
1
2

Device description
Leuze electronic CML 720i Ex 15
Table 3.1: Meaning of the LEDs on the receiver
3.4.2 Display on the receiver control panel
Located on the receiver is an OLED display which serves as a function indicator.
Figure 3.3: OLED display on the receiver
The type of display on the OLED display is different for the following operating modes:
• Alignment mode
• Process mode
Display indicators in alignment mode
In alignment mode, the OLED display shows the received signal level of the first active logical beam (FB)
and of the last active logical beam (LB) via two bar graph indicators.
1 Evenly aligned light curtain
2 No reception signal from first beam (FB); good reception signal from last beam (LB)
3 Marker for the minimum signal level which is to be achieved
Figure 3.4: OLED display on the receiver in alignment mode
Display indicators in process mode
In process mode, the upper line shows the number of interrupted beams (TIB) and the lower line shows
the logic state of the digital outputs. The value to be displayed is configurable.
LED Color State Description
1 Green ON (continuous
light)
Light curtain ready (normal mode)
Flashing see chapter 13.2
OFF Sensor not ready
2 Yellow ON (continuous
light)
All active beams are free - with function reserve
Flashing see chapter 13.2
OFF At least one beam interrupted (object detected)
12
3

Device description
Leuze electronic CML 720i Ex 16
1 Total of interrupted beams
2 Logic state at pin 2 (0 = not active, 1 = active)
3 Logic state at pin 5 (0 = not active, 1 = active)
4 Logic state at pin 6 (0 = not active, 1 = active)
5 Logic state at pin 7 (0 = not active, 1 = active)
Figure 3.5: OLED display on the receiver in process mode
3.4.3 Operating indicators on the transmitter
Located on the transmitter is an LED which serves as a function indicator.
Table 3.2: Meaning of the LED on the transmitter
3.5 Operating elements on the receiver control panel
Located on the receiver below the OLED display is a membrane keyboard with two function buttons for
entering various functions.
Figure 3.6: Function buttons on the receiver
3.6 Menu structure of the receiver control panel
The following summary shows the structure of all menu items. In a given device model, only the actually
available menu items are present for entering values or for selecting settings.
If the control panel is not used for several minutes, the display darkens and switches off. Press
a function button to again make the display visible. Settings for visibility, display duration, etc.
can be changed via the Display menu.
1
234 5
LED Color State Description
1GreenON
(continuous light or
flashing in sync with
the measurement)
Light curtain operates continuously with maximum measure-
ment frequency
OFF No communication with the receiver
Light curtain waits for external trigger signal

Device description
Leuze electronic CML 720i Ex 17
Menu level 0
Menu “Main Settings”
Menu “Digital IOs”
Level 0
Main Settings
Digital IOs
Analog Output
Display
Information
Exit
Level 1 Level 2 Description
Commands Teach Reset Factory settings Exit
Operational setting Filter depth (enter value)
min = 1
max = 255
Beam mode Parallel Diagonal Crossed-beam
Function reserve High Medium Low
Blanking teach Not active
Active
Power-Up teach Not active
Active
Smoothing (enter value)
min = 1
max = 255
IO-Link Bit rate COM3: 230.4 kbit/s COM2: 38.4 kbit/s
PD Length 2 bytes 8 bytes 32 bytes
Data storage Deactivated Activated
CANopen Node ID (enter value)
min = 1
max = 127
Bit rate 1000 kbit/s 500 kbit/s 250 kbit/s 125 kbit/s
Level 1 Level 2 Description
IO Logic Positive PNP Negative NPN
IO Pin 2
IO Pin 5
IO Pin 6
IO Pin 7
IO Function Trigger input Teach input Area output Warning output Trigger output
Inversion Normal Inverted
Teach height Execute Exit
Area logic AND OR
Start beam (enter value)
min = 1
max = 1774
End beam (enter value)
min = 1
max = 1774

Device description
Leuze electronic CML 720i Ex 18
Menu “Display”
Menu “Information”
Level 1 Level 2 Description
Language English German French Italian Spanish
Operating mode Process mode Alignment
Visibility Off Dark Normal Bright Dynamic
Time unit (s) (enter value)
min = 1
max = 240
Evaluation function TIB TNIB FIB FNIB LIB LNIB
Level 1 Level 2 Description
Product name CML 720i Ex
Product ID Receiver part no. (e.g., 50119835)
Serial number Receiver serial number (e.g., 01436000288)
Tx.transmitter-ID Transmitter part no. (e.g., 50119407)
Tx.transmitter-SN Transmitter serial no. (e.g., 01436000289)
FW version e.g., 01.61
HW version e.g., A001
Kx version e.g., P01.30e

Device description
Leuze electronic CML 720i Ex 19
3.7 Menu navigation on the receiver control panel
The and buttons have different functions depending on the operating situation. These functions
are displayed at the left edge of the display above the icons.
3.7.1 Meaning of the display icons
3.7.2 Level display
The display of bars between icons and text that span both lines indicates the open menu levels. The
example shows a configuration in the menu level 2:
Icon Position Function
First line
Symbolizes that you can select the next parameter within a menu level by
pressing the button.
First line
Symbolizes that you have reached the lowest menu level (not highlighted).
Second line
Symbolizes the respective, next menu level that you have not yet selected
(not highlighted).
Second line
Press the button to exit the menu level or the menu.
Second line
Symbolizes the input mode.
The selected (highlighted) option field can be a fixed selection parameter or a
multi-digit input field. With a multi-digit input field, you can increase the active
digit by one with the button and use the button to switch from one
digit to the next.
Second line
Symbolizes the confirmation of a selection.
This icon appears when you complete an option field with the button.
Second line
Symbolizes the rejection of a selection.
This icon is accessed from the previous icon (check mark) by pressing
the button. This mode allows you to reject the current value or option
parameter by pressing the button.
Second line
Symbolizes the return to the selection.
This icon is accessed from the previous icon (cross) by pressing
the button. This mode allows you to reset the current value or option
parameter for the purpose of entering a new value or selecting an option
parameter by pressing the button.
Start Beam
End beam

Device description
Leuze electronic CML 720i Ex 20
3.7.3 Menu navigation
3.7.4 Editing value parameters
After entering the last number, the total value can be saved, rejected or reset.
If the selected option is not saved in the window above, but rather the action mode is selected with
the button, this means:
Main Settings
Digital IOs
Selects the next menu item (“Digital IOs”); the other menu items follow if pressed again.
Selects the highlighted submenu (“Main Settings”).
Start Beam
End beam
Selects the “Start Beam” menu item with the bright background.
Start beam
0001
Changes the value of the first digit (0).
Selects additional numbers for configuring values.
Start beam
0010
Saves the new value (0010).
Changes the action mode; first and then appears on the second line.