Leuze electronic CML 720i Ex Operating Instructions Manual
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Leuze electronic CML 720i Ex Operating Instructions Manual

Measuring light curtain
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CML 720i Ex
Measuring light curtain
O r i g i n a l o p e r a t i n g i n s t r u c t i o n s

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Summary of Contents for Leuze electronic CML 720i Ex

  • Page 1 CML 720i Ex Measuring light curtain O r i g i n a l o p e r a t i n g i n s t r u c t i o n s...
  • Page 2 Leuze electronic GmbH + Co. KG In der Braike 1 D-73277 Owen / Germany Phone: +49 7021 573-0 Fax: +49 7021 573-199 http://www.leuze.com Leuze electronic CML 720i Ex...

  • Page 3: Table Of Contents

    4.12 Interference suppression (filter depth)........38 Leuze electronic CML 720i Ex...
  • Page 4 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 Electrical supply.
  • Page 5 Technical data ..........124 Leuze electronic CML 720i Ex...
  • Page 6 17.1 Nomenclature ............134 17.2 Accessories – CML 720i Ex with CANopen or IO-Link interface ....135 17.3 Accessories –...

  • Page 7: About This Document

    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) Electronic Data Sheet (EDS file for CANopen interface) Description of the device for the control Leuze electronic CML 720i Ex...
  • Page 8 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 Leuze electronic CML 720i Ex...
  • Page 9 TIB (total of interrupted beams) TNIB (total of not interrupted beams) LIB (Last interrupted beam ) LNIB (Last not interrupted beam) FNIB (First not interrupted beam) FIB (First interrupted beam) Figure 1.2: Definition of terms Leuze electronic CML 720i Ex...

  • Page 10: Safety

    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.

  • Page 11: Exemption Of Liability

    (e.g. electrician foreman). In other countries, there are respective regulations that must be observed. 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.
  • Page 12  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. Leuze electronic CML 720i Ex...

  • Page 13: Device Description

    Total system in combination with a programmable logic control 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 •...

  • Page 14: Connection Technology

    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. LED1, green LED2, yellow Figure 3.2: LED indicators on the receiver Leuze electronic CML 720i Ex...

  • Page 15: Display On The Receiver Control Panel

    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. Leuze electronic CML 720i Ex...

  • Page 16: Operating Indicators On The Transmitter

    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. Leuze electronic CML 720i Ex...
  • Page 17 Inversion Normal Inverted IO Pin 6 IO Pin 7 Teach height Execute Exit Area logic Start beam (enter value) min = 1 max = 1774 End beam (enter value) min = 1 max = 1774 Leuze electronic CML 720i Ex...
  • Page 18 TNIB FNIB LNIB Menu “Information” 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...

  • Page 19: Menu Navigation On The Receiver Control Panel

    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: Start Beam End beam Leuze electronic CML 720i Ex...

  • Page 20: Menu Navigation

    Saves the new value (0010). Changes the action mode; first and then appears on the second line. If the selected option is not saved in the window above, but rather the action mode is selected with button, this means: Leuze electronic CML 720i Ex...

  • Page 21: Editing Selection Parameters

    IO Logic Positive PNP With each actuation, displays the next option on this menu level, i.e., the display switches between: • Negative NPN • Positive PNP Selects the “Positive PNP” menu item with the bright background. Leuze electronic CML 720i Ex...
  • Page 22 Device description IO Logic Positive PNP Changes the action mode; appears; subsequent actuation displays again. Saves the selected option “Positive PNP”. Leuze electronic CML 720i Ex...

  • Page 23: Functions

    This increases the resolution in the middle between the transmitter and receiver. Area with increased resolution Figure 4.2: Beam path in “diagonal” Calculation The number of beams for diagonal-beam scanning n is calculated from the number of beams for parallel- beam scanning n Leuze electronic CML 720i Ex...

  • Page 24: Crossed-Beam

    In “crossed-beam” mode, the light beam of each transmitter LED is detected in succession both by the directly opposing receiver LED as well as by the two adjacent receiver LEDs (i+1, i-1). Area with increased resolution Figure 4.3: Beam path in “crossed-beam” Leuze electronic CML 720i Ex...

  • Page 25: Measurement Beam Sequence

    1, is illustrated as follows: ... n ... n Receiver connection unit Optical part For width detection, counting can begin with 1 at either end at the head part of the sensor as shown below: Leuze electronic CML 720i Ex...

  • Page 26: Beam-Stream

    The states of the individual optical beams (free/interrupted) can be evaluated in the CML 700i and the result read out via various evaluation functions. The most important evaluation functions are shown in the following figure: Leuze electronic CML 720i Ex...

  • Page 27: Hold Function

    During blanking, beams that are not to be included in the evaluation are suppressed. The numbering of the beams is not affected, i.e., the suppression of beams does not change the beam numbers. Leuze electronic CML 720i Ex...
  • Page 28 Existing settings for the blanking areas are then overwritten (see chapter 8.2). If no beams are interrupted during teaching, no blanking areas are configured. Leuze electronic CML 720i Ex...

  • Page 29: Power-Up Teach

    Smoothing can be used, e.g., to suppress interference caused by spot soiling of the lens cover. Smoothing “1” means that every interrupted beam is evaluated. Leuze electronic CML 720i Ex...
  • Page 30 If smoothing is set to a value of “3”, for example, data is only output if at least three adjacent beams are interrupted. Data output: 0 beams interrupted Figure 4.8: Smoothing configuration “3”, but no more than two adjacent beams interrupted Leuze electronic CML 720i Ex...

  • Page 31: Cascading/Triggering

    This is ensured by activating (trig- gering) with a time offset. The following light curtain arrangements are possible in a cascade arrangement: • Multiple light curtains above one another, e.g., for height monitoring Leuze electronic CML 720i Ex...
  • Page 32 Cascading necessary for multiple-track transport systems!  Cascade light curtains for multiple-track transport systems.  Prevent mutual interference through sequential activation of the light curtains. If the spatial configuration excludes mutual interference, multiple light curtains can also be activated simultaneously. Leuze electronic CML 720i Ex...

  • Page 33: External Triggering

    (see chapter 9 et seq.) or via the configuration software (see chapter 12). For an example configuration, see chapter 11.6. The following figure shows a wiring example for the cascading of three light curtains via internal trigger: Leuze electronic CML 720i Ex...

  • Page 34: Block Evaluation Of Beam Areas

    4.10 Block evaluation of beam areas With this function, the quantity of data to be transmitted can be reduced by restricting the imaging accu- racy. The minimum resolution of the light curtain is still retained. Leuze electronic CML 720i Ex...

  • Page 35: Defining Beam Area

    The switching behavior or the conditions for switching a beam area on and off can be defined via Sensor Studio the respective fieldbus interface (see chapter 9 et seq.) or via the configuration software (see chapter 12). For an example configuration, see chapter 11.2. Leuze electronic CML 720i Ex...

  • Page 36: Teach Height Area

    When teaching a height area, all free beams above or below the object are combined into one height area. Therefore, the object cannot be located in the center of the measurement field length; the first or last beam must be interrupted. Leuze electronic CML 720i Ex...
  • Page 37 Example configurations for the assignment of previously defined height areas to switching outputs Q1 to • see chapter 11.2 "Example configuration - Mapping of beams 1 … 32 to output pin 2" Leuze electronic CML 720i Ex...

  • Page 38: Switching Outputs

    Filter depth “3” = only those beam states that were stable over three measurement cycles are output. Filter depth can be configured via the respective fieldbus interface (see chapter 9 et seq.) or via Sensor Studio configuration software (see chapter 12). Leuze electronic CML 720i Ex...

  • Page 39: Applications

    Applications Applications The following typical applications with corresponding evaluation function (see chapter 4) exist for the measuring light curtain. Height measurement Figure 5.1: Height measurement Last interrupted beam (LIB)  Evaluation function: Leuze electronic CML 720i Ex...

  • Page 40: Object Measurement

    Applications Object measurement Figure 5.2: Object measurement Last interrupted beam (LIB)  Height evaluation function: Total of interrupted beams (TIB)  Width evaluation function: Leuze electronic CML 720i Ex...

  • Page 41: Width Measurement, Orientation Detection

    Width measurement, orientation detection Figure 5.3: Width measurement, orientation detection Total of interrupted beams (TIB)  Evaluation function for width measurement: Single-beam evaluation (beam-stream) first/last inter  Evaluation function for orientation detection: rupted beam (FIB/LIB) Leuze electronic CML 720i Ex...

  • Page 42: Contour Measurement

    Applications Contour measurement Figure 5.4: Contour measurement Single-beam evaluation (beam-stream)  Evaluation function: Gap control/gap measurement Figure 5.5: Gap control/gap measurement Single-beam evaluation (beam-stream)  Evaluation function: Leuze electronic CML 720i Ex...

  • Page 43: Hole Recognition

     If, for example, the web edge wanders slightly, the beam area can be dynamically adapted by “tracking” First interrupted beam (FIB) the start beam by selecting the evaluation function and the end beam by Last interrupted beam (LIB) selecting the evaluation function. Leuze electronic CML 720i Ex...

  • Page 44: Mounting And Installation

     The optical surfaces of transmitter and receiver must be parallel to and opposite one another.  The transmitter and receiver connections must point in the same direction.  Secure transmitter and receiver against turning or sliding. Leuze electronic CML 720i Ex...

  • Page 45: Definition Of Directions Of Movement

    Turning: movement around the longitudinal axis Tilting: lateral turning movement diagonal to the lens cover Pitching: lateral turning movement in the direction of the lens cover Figure 6.2: Directions of movement during alignment of the light curtain Leuze electronic CML 720i Ex...

  • Page 46: Fastening Via Sliding Blocks

    Therefore, the mounting brackets do not need to be removed from the wall when exchanging the device. Loosening the screws is sufficient. Figure 6.4: Mounting via swivel mount Leuze electronic CML 720i Ex...

  • Page 47: Fastening Via Swiveling Mounting Brackets

    17.8), sold separately, the light curtain can be aligned as follows: • Sliding in the direction of slot • Turning +/- 8° around the longitudinal axis The BT-SSD (see figure 16.5) swiveling mounting brackets are also equipped with a vibration damper. Leuze electronic CML 720i Ex...

  • Page 48: Electrical Connection

    This measure reduces interference coupling in the cables. NOTICE Avoid leakage currents in the cable shielding!  Carefully ground all parts of the machine. Leakage currents arise from incorrectly implemented equipotential bonding. You can measure leakage currents with a clip-on ammeter. Leuze electronic CML 720i Ex...
  • Page 49  Clamp the shield in the switch cabinet flat to FE (see figure 7.2). Use special shielding terminals (e.g., Wago, Weidmüller, …). Figure 7.2: Connecting the cable shielding in the switch cabinet Leuze electronic CML 720i Ex...

  • Page 50: Cable Lengths For Shielded Cables

    PWR IN/digital IO (Y-connection cable and 20 m Required synchronization cable) Synchronization cable analog/IO-Link X2/X3 20 m Required BUS IN /BUS OUT (Y-fieldbus cable) 40 m Required Designation of the interface connections: see chapter 7.3 "Device connections" Leuze electronic CML 720i Ex...

  • Page 51: Connection And Interconnection Cables

     Each input function may only be used one time. If multiple inputs are assigned the same function, mal- functions may occur. Electrical connection – CML 720i Ex with CANopen or IO-Link interface The electrical connection is established in the same way for all devices.

  • Page 52: Pin Assignment – Cml 720I Ex With Canopen Or Io-Link Interface

    Y-connection cable and synchronization cable (M12 socket/plug, 8-pin/5-pin), see table 17.3 Figure 7.5: Electrical connection – CML 720i Ex with CANopen or IO-Link interface  Connect connection X1 with the Y-interconnection cable; connect the short end to the power supply or configuration software interface and connect the long end to connection X3 on the transmitter.
  • Page 53 Figure 7.6: X1/X3 connection Table 7.2: X1/X3 pin assignment – CML 720i Ex with CANopen or IO-Link interface Pin (X1) X1 - Logic and power on the receiver and connection to transmitter Pin (X3) VIN: +24 V DC supply voltage...

  • Page 54: X2 Pin Assignment – Cml 720I Ex With Canopen Interface

    Pin assignment on the transmitter: see table 7.2 Connection cables: see table 17.3 7.5.2 X2 pin assignment – CML 720i Ex with CANopen interface 5-pin, M12 plug (A-coded) for a device with CANopen interface for connecting to BUS IN/BUS OUT. M12 socket (5-pin, A-coded) Figure 7.8:...

  • Page 55: Starting Up The Device - Basic Configuration

    Loosen the screws only enough so that the devices can just be moved.  Turn or slide the transmitter and receiver until the optimum position is reached and the bar graph indi- cators show the maximum values for the alignment. Leuze electronic CML 720i Ex...
  • Page 56 Switching to alignment mode You can switch from process mode to alignment mode via the menu.  Select Display > Mode > Alignment. The structure of the configuration in the receiver control panel menu is as follows: Leuze electronic CML 720i Ex...

  • Page 57: Teaching The Environmental Conditions

    Teach via receiver control panel (see chapter 8.2.1). Teach via teach input (see chapter 8.2.2). Teach via fieldbus interface (IO-Link, see chapter 9; CANopen, see chapter 10). Sensor Studio Teach via configuration software (see chapter 12). Leuze electronic CML 720i Ex...

  • Page 58: Teach Via Receiver Control Panel

    It is possible, e.g., that the reception signal is too low. You can correct errors according to the error list (see chapter 13). Power-Up Teach After applying operating voltage, the “Power-Up Teach”" The structure of the configuration in the receiver control panel menu is as follows: Leuze electronic CML 720i Ex...

  • Page 59: Teaching Via A Control Signal From The Control

     Send a teach signal to the teach input via the control (see chapter "Teach input (Teach In)" for the data) to trigger a teach. The display on the receiver control panel shows Wait... Following a successful teach, the display switches back to the bar graph (alignment mode). Leuze electronic CML 720i Ex...

  • Page 60: Check Alignment

    “high function reserve for stable operation”. The “low function reserve” configuration enables the detection of partially transparent objects. The structure of the configuration in the receiver control panel menu is as follows: Leuze electronic CML 720i Ex...

  • Page 61: Extended Configurations On The Receiver Control Panel Menu

    Level 2 Description Digital IOs IO Logic Positive PNP Negative NPN IO Pin 2 IO Function Trigger input Teach input Area Output Warning output Trigger output Inversion Normal Inverted Teach height Execute Exit Area Logic Leuze electronic CML 720i Ex...
  • Page 62  Select Digital IOs > IO Pin 2 > IO Function > Trigger In. Trigger input and output are only active if cascading (triggered operation) was activated via the configuration interface or process interface. A teach input is configured according to the same principle. Leuze electronic CML 720i Ex...

  • Page 63: Inversion Of The Switching Behavior (Light/Dark Switching)

     Select Digital IOs > IO Pin 2 > Inversion > Inverted. 8.5.3 Defining the filter depth The filter depth is used to specify that an evaluation of the measurement values occurs only once the beam states are stable over multiple measurement cycles. Leuze electronic CML 720i Ex...

  • Page 64: Defining The Display Properties

    Level 0 Level 1 Level 2 Description Display Language English German French Italian Spanish Operating Process mode Alignment mode Visibility Dark Normal Bright Dynamic Time Unit (s) (enter value) min = 1 max = 240 Leuze electronic CML 720i Ex...

  • Page 65: Changing The Language

    The structure of this menu item in the receiver control panel menu is as follows: Level 0 Level 1 Level 2 Description Main Settings Commands Teach Reset Factory Settings  Select Main Settings > Command > Factory Settings. Leuze electronic CML 720i Ex...

  • Page 66: Starting Up The Device - Io-Link Interface

    • The measuring light curtain has been mounted (see chapter 6) and connected (see chapter 7) cor- rectly. • The basic configuration has been performed (see chapter 8). • IO-Link-specific basic configurations have been performed. • IO-Link bit rate selected • IO-Link PD length selected Leuze electronic CML 720i Ex...

  • Page 67: Parameter/Process Data For Io-Link

    Time module settings for digital outputs (see page 75) Group 12 Analog device settings (see page 77) Group 13 Autosplitting (see page 77) Group 14 Configuration for block evaluation of beam areas (see page 78) Group 15 Evaluation functions (see page 79) Leuze electronic CML 720i Ex...
  • Page 68 = 0) Device description (group 3) The device description specifies the device characteristics, e.g., beam spacing, the number of physical/logical individual beams, the number of cascades (16 individual beams) in the device and the cycle time. Leuze electronic CML 720i Ex...
  • Page 69 Index Sub- Data type Access Value range Default Explanation index Manufacturer name string Leuze electronic GmbH + Co. KG 32 bytes Manufacturer text string Leuze electronic - the sensor people 64 bytes Product name string Receiver type designation 64 bytes...
  • Page 70 Value range Default Explanation index General settings record 32 bit, isolated access to sub-index not possible Beam mode unsigned 8 0 … 2 0: Parallel-beam scanning (bit 1: Diagonal-beam scanning offset 2: Crossed-beam scanning = 24) Leuze electronic CML 720i Ex...
  • Page 71  Through the limitation of the process data length, the beams, depending on the resolution, can only be processed and transmitted up to a certain measurement field length as a bit. Leuze electronic CML 720i Ex...
  • Page 72 To prevent mutual interference, multiple light curtains can be operated with a time offset with respect to one another (cascade). Here, the master generates the cyclical trigger signal; the slaves start their measurement after delay times, which are to be set to different values. Leuze electronic CML 720i Ex...
  • Page 73 1: Logical value 0 for blanked beams offset 2: Logical value 1 for blanked beams = 176) 3: Logical value = same as adjacent beam with lower beam number 4: Logical value = same as adjacent beam with higher beam number Leuze electronic CML 720i Ex...
  • Page 74 = 16) Sensitivity adjustment for unsigned 8 0 … 2 Sensitivity of the measurement system: teach event (bit 0: High function reserve (for stable operation) offset 1: Medium function reserve = 8) 2: Low function reserve Leuze electronic CML 720i Ex...
  • Page 75 2: Warning output = 0) 3: Trigger output Settings for digital switching outputs (group 11) In this group, the beam areas can be mapped to the switching outputs and assigned a time func- tion. Leuze electronic CML 720i Ex...
  • Page 76 4 (bit unsigned 8 0b000 offset 00000 = 16) Area mapping 16 … 9 unsigned 8 0b000 (bit 00000 offset = 8) Area mapping 8 … 1 unsigned 8 0b000 (bit 00001 offset = 0) Leuze electronic CML 720i Ex...
  • Page 77 (bit offset = 16) Autosplitting (group 13) In this group, it is possible to split all logical beams into areas of identical size. The fields of areas 01 … 32 are thereby automatically configured. Leuze electronic CML 720i Ex...
  • Page 78 8 1 … 1774 (bit 65534 65534: First interrupted beam (FIB) offset 65533 65533: First not interrupted beam (FNIB) = 64) 65532 65532: Last interrupted beam (LIB) 65531 65531: Last not interrupted beam (LNIB) Leuze electronic CML 720i Ex...
  • Page 79 1 … 1774 area (bit offset = 16) Specified width of the unsigned 16 1 … 1774 area (bit offset = 0) Evaluation functions (group 15) In this group, all evaluation functions can be configured. Leuze electronic CML 720i Ex...
  • Page 80 = 1) Pin 2 boolean (bit offset = 1) HW analog (HWA) unsigned 16 PD beam-stream array 8 bytes PD beam-stream array 16 bytes PD beam-stream array 32 bytes PD beam-stream array 64 bytes Leuze electronic CML 720i Ex...
  • Page 81 Starting up the device - IO-Link interface Parameter Index Sub- Data type Access Value range Default Explanation index PD beam-stream array 128 bytes PD beam-stream array 222 bytes Beam-stream mask array 222 bytes Leuze electronic CML 720i Ex...

  • Page 82: Starting Up The Device - Canopen Interface

    • The CANopen-specific EDS file must be installed on the control. The CANopen device description (EDS file) can be used for direct configuration with connected light curtain. An EDS file is supplied with the product. It can also be downloaded from the Internet at www.leuze.com. Leuze electronic CML 720i Ex...

  • Page 83: Parameter- / Process Data For Canopen

    The following abbreviations for max. values apply in the following group descriptions: MAX-BEAM = maximum number of beams (max. 1774) MAX_T08U = maximum 8 bit unsigned integer MAX_T16U = maximum 16 bit unsigned integer MAX_T32U = maximum 32 bit unsigned integer Leuze electronic CML 720i Ex...
  • Page 84 1801 PDO 2 properties Transmit PDO communication parameter 3 1802 PDO 3 properties Transmit PDO communication parameter 4 1803 PDO 4 properties ....Transmit PDO communication 181B PDO 28 properties parameter 28 Leuze electronic CML 720i Ex...
  • Page 85 , the device starts to send process data (PDOs). NOTICE Boundary conditions for object descriptions!  Beginning with firmware V2.16, no process data settings are automatically stored in non-volatile mem- ory (remanent). The <Save> command is always to be used. Leuze electronic CML 720i Ex...
  • Page 86 1: Inverted – beginning oppo- site the connection side Smoothing 2100 t08U MAX_T08U 1 Less than i interrupted beams are ignored Smoothing inverted 2100 t08U MAX_T08U 1 Less than i free beams are ignored Leuze electronic CML 720i Ex...
  • Page 87 In most applications, it is recommended that the teach values be stored in non-volatile memory. Depending on the function reserve selected for the teach event, the sensitivity is higher or lower (high function reserve = low sensitivity; low function reserve = high sensitivity). Leuze electronic CML 720i Ex...
  • Page 88 For details on this topic see chapter 11.4. NOTICE Perform teach after changing the blanking configuration!  Perform a teach after changing the blanking configuration. A teach can be performed via the receiver control panel or via the teach command. Leuze electronic CML 720i Ex...
  • Page 89 Start beam of blanking area 3 2104 t16U MAX_BEAM Start beam of the blanking area End beam of blanking area 3 2104 t16U MAX_BEAM End beam of the blanking area Leuze electronic CML 720i Ex...
  • Page 90 0: Not active Input function 1: Trigger input 2: Teach input Pin 5: 2152 t08U 0: Normal - light switching Switching behavior 1: Inverted - dark switching Pin 5: 2152 t08U 0: Output Input/output selection 1: Input Leuze electronic CML 720i Ex...
  • Page 91 1: Inverted - dark switching Start beam of the area 2170 t16U FFFE 1 … 1774 65534: First interrupted beam (FIB) 65533: First not interrupted beam (FNIB) 65532: Last interrupted beam (LIB) 65531: Last not interrupted beam (LNIB) Leuze electronic CML 720i Ex...
  • Page 92 Configuration of area 4 2173 Configuration of area 5 2174 Configuration of area 6 2175 Configuration of area 7 2176 Configuration of area 8 2177 Configuration of area 9 2178 Configuration of area 10 2179 Leuze electronic CML 720i Ex...
  • Page 93 Configuration of area 26 2189 Configuration of area 27 218A Configuration of area 28 218B Configuration of area 29 218C Configuration of area 30 218D Configuration of area 31 218E Configuration of area 32 218F Leuze electronic CML 720i Ex...
  • Page 94 Min. Max. value Default Explanation (hex.) index type value (hex.) Teach status 2400 t08U MAX_T08U Information about the last teach event: 00: Teach ok 01: Teach busy 80: Teach error (bit 8 = error bit) Leuze electronic CML 720i Ex...
  • Page 95 Bits 12 … 13: reserved; Bit 14: 1 = event (is set if the status changes) Cause/reason for event can be seen in index 2162. Bit 15: 1 = valid measure- ment result exists Leuze electronic CML 720i Ex...
  • Page 96 “index for block access for the extended beam data” (0x2912). Index for block access 2912 t16U 1774 Defines the first logical beam (for the extended beam data) for the evaluation of extended beam data. Leuze electronic CML 720i Ex...
  • Page 97 • waits for the first trigger pulse • was manually stopped 11: Frequency of trigger sig- nal too high error field 2600 t16U For internal diagnosis only error field 2601 t16U For internal diagnosis only Leuze electronic CML 720i Ex...

  • Page 98: Example Configurations

    Inverted - dark switching Normal - light switching Inverted - dark switching (i.e., switching if beams are (i.e., switching if beams are free) interrupted) Start beam of the area Value: End beam of the area Value: Leuze electronic CML 720i Ex...

  • Page 99: Configuration Of An Area/Output Mapping Via Io-Link Interface

    = 32 End beam of the area Index 100, bit offset 48: = 32 Number of active beams for area ON Index 100, bit offset 32: = 31 Number of active beams for area OFF Leuze electronic CML 720i Ex...

  • Page 100: Configuration Of Area/Output Mapping Via Canopen Interface

    The switching output signals the logical states of beam areas 1 … 32 Switching behavior Switching behavior Configuration according to the necessary switching Value: 0 = normal - light switching behavior of the output Value: 1 = inverted - dark switching Leuze electronic CML 720i Ex...

  • Page 101: Configuration Of Hole Recognition Via Io-Link Interface

    Teach command System commands Parameter Execute teach command Example: Deactivation/resetting of auto blanking Blanking settings Parameter Number of auto blanking areas No blanking areas permitted Auto blanking (during teaching) Parameter Automatic blanking area configuration not active Leuze electronic CML 720i Ex...

  • Page 102: Configuration Of Blanking Areas Via Io-Link Interface

    Index 0x2104 sub 02: Automatic blanking area configuration not active Blanking settings Index 0x2104 sub 03: No beams blanked (module 6) Index 0x2104 sub 03: No beams blanked Commands Index 0x2200 sub 01: Execute teach (module 9) Leuze electronic CML 720i Ex...

  • Page 103: Example Configuration – Smoothing

    Beams are taken into account in the evaluation once there are four or more (module 3) free beams 11.6 Example configuration - Cascading 11.6.1 Configuration of a cascading arrangement (general) The following figure shows an example for a timing sequence of a cascading arrangement with three light curtains. Leuze electronic CML 720i Ex...
  • Page 104 Note: With cascading operation, the master must also be set to 1 (active)! Function type 0: Slave (expects trigger signal) Trigger delay time → Scan [us] Enter cycle time of light curtain 1 (LC1)  Configure the digital IOs (pin 5) settings. Digital IO1 (pin 5) settings Leuze electronic CML 720i Ex...

  • Page 105: Configuration Of A Cascading Arrangement Via Io-Link Interface

    11.6.2 Configuration of a cascading arrangement via IO-Link interface CML700i frame arrangement for cascading with IO-Link interface wiring Receiver Transmitter Interconnection cable 5 m (see table 17.3) Connection cable 5 m (see table 17.4) Interconnection cable 2 m (see table 17.3) Leuze electronic CML 720i Ex...
  • Page 106 Index 81, bit offset 24 Pin 5 - input/output selection: input (group 10) Index 81, bit offset 16 Pin 5 - switching behavior: light switching Index 81, bit offset 08 Pin 5 - output function: trigger input Leuze electronic CML 720i Ex...

  • Page 107: Configuration Of A Cascading Arrangement Via Canopen Interface

    Index 0x2102 sub 02 Function type: slave - expects trigger signal Index 0x2102 sub 03 Delay time Trigger → Scan [µs]: enter cycle time of light curtain 1 (LC1)  Configure the digital IOs (pin 5) settings. Leuze electronic CML 720i Ex...
  • Page 108 Pin 5 - input/output selection = input Inputs/outputs (module 10) Index 0x2152 sub 03 Pin 5 - switching behavior = light switching Index 0x2152 sub 02 Pin 5 - input function = trigger input (see table 17.10 (see table 17.11 Leuze electronic CML 720i Ex...

  • Page 109: Connecting To A Pc – Sensor Studio

     Install IO-Link device DTM with IODD file for CML 700i in the FDT frame. 12.1 System requirements Sensor Studio To use the configuration software, you need a PC or laptop with the following specifications: Leuze electronic CML 720i Ex...

  • Page 110: Installing Drivers For Io-Link Usb Master

     Select a language for the interface text in the Installation Wizard and software. The installation options are displayed.  Select Leuze electronic Sensor Studio and follow the instructions on the screen. The Installation Wizard installs the software and places a shortcut on the desktop ( 12.2.2 Installing drivers for IO-Link USB master...

  • Page 111: Connecting Io-Link Usb Master To The Pc

    The voltage supply of the IO-Link USB master and the light curtain via the plug-in power supply unit is only activated if IO-Link USB master and PC are connected via the USB interconnection cable. Leuze electronic CML 720i Ex...

  • Page 112: Installing Sensor Studio Configuration Software And Io-Link Usb Master

     Select the IO-Link device DTM (User Interface) installation option and follow the instructions on the screen. The Installation Wizard installs the DTM and the IO Device Description (IODD) for the light curtain. DTM and IODD for all IO-Link devices currently available from Leuze electronic are installed. Sensor Studio 12.3...
  • Page 113 In the FDT frame, click on the [Online parameters] button ( The IO-Link USB master synchronizes with the connected light curtain and the current configuration data and process data are displayed in the device manager (DTM). Leuze electronic CML 720i Ex...
  • Page 114 Short description of the configuration software This chapter contains information and explanations on the individual menu items and adjustment param- Sensor Studio eters of the configuration software and the device manager (DTM) for CML 700i measuring light curtains. Leuze electronic CML 720i Ex...

  • Page 115: Fdt Frame Menu

    • If the [Synchronize with device] button ( ) is displayed in the device manager (DTM), the Sensor Studio display is not consistent with the current configuration of the light curtain. Leuze electronic CML 720i Ex...
  • Page 116 300 seconds. Beam-stream display : Using the [Show or hide the graphical cursor] button ( ), you can move the • graphical cursor in the visualization, e.g., to evaluate the time difference between two events. Leuze electronic CML 720i Ex...
  • Page 117  Exit the program via File > Exit.  Save the configuration settings as a configuration project on the PC. Sensor Studio You can open the configuration project again at later time via File > Open or via the Project Wizard ( Leuze electronic CML 720i Ex...

  • Page 118: Troubleshooting

     Analyze and eliminate the cause of the fault using the following table.  If you are unable to rectify the fault, contact the Leuze electronic branch responsible for you or call the Leuze electronic customer service (see chapter 15 "Service and support").

  • Page 119: Error Codes In The Display

    RxS 0x0200 The “Leuze AutoControl ACON function” has detected soiling. RxS 0x0300 Teach parameters have been changed (teaching must be done) or default values are active. RxS 0x0FFF CxL shuts down. Process data is invalid. Leuze electronic CML 720i Ex...
  • Page 120 Reset device to factory set- tings. RxS 0x23xy Configuration error. Contact service (see xy gives information on the type of configuration error. chapter 15). Reset device to factory set- tings. Check parameters and parameter relation. Leuze electronic CML 720i Ex...
  • Page 121 RxS 0x3009 Hardware error, no Rx cascades RxS 0x300A Hardware error, no Tx cascades RxS 0x3100 Error in the factory settings. Can only be rectified by repro- RxS 0x3101 gramming the device firmware. Leuze electronic CML 720i Ex...

  • Page 122: Care, Maintenance And Disposal

     For repairs, contact your responsible Leuze electronic subsidiary or Leuze electronic customer service (see chapter 15). 14.2.1 Firmware update A firmware update can only be performed by Leuze electronic customer service on-site or at the company headquarters.  For firmware updates, contact your responsible Leuze electronic subsidiary or Leuze electronic cus- tomer service (see chapter 15).

  • Page 123: Service And Support

    Service and support Service and support Defective devices are repaired in our service center competently and quickly. Leuze electronic offers you an extensive service packet to keep any necessary system downtimes to a minimum. Our service center requires the following information: •...

  • Page 124: Technical Data

    Diagonal-beam Crossed-beam min. max. min. max. min. max. Table 16.4: CML 720i Ex profile and measurement field lengths Measurement field Measurement field Measurement field Measurement field Profile length L length B [mm] length B [mm] length B [mm] length B [mm]...
  • Page 125 2150 2168 2230 2220 2210 2170 2248 2310 2328 2390 2380 2370 2408 2470 2488 2550 2540 2530 2490 2568 2630 2648 2710 2700 2690 2728 2790 2808 2870 2860 2850 2810 2888 2950 2968 Leuze electronic CML 720i Ex...
  • Page 126 Technical data Table 16.5: Data on the time behavior of the CML 720i Ex Response time per beam 30 µs Readiness delay ≤ 1.5 s a) Cycle time = number of beams x 0.03 ms + 0.4 ms. The minimum cycle time is 1 ms.

  • Page 127: Timing

    The time between activation of the transmitter and evaluation in the receiver is referred to as the response time per beam. In the CML 720i Ex the response time per beam is = 30 µs. The minimum cycle time is 1 ms, i.e., the cycle time is never less than 1 ms, even with very short light curtains with a small number of beams.
  • Page 128 Technical data Table 16.13: Profile and measurement field lengths, cycle times for the CML 720i Ex Measurement Measurement Measurement Measurement Profile length field length B field length B field length B field length B L [mm] [mm] [mm] [mm] [mm]...

  • Page 129: Minimum Object Diameter For Stationary Objects

    = 20 mm / 30 mm / 50 mm NOTICE Minimum object diameter for “crossed beam” mode!  In “crossed beam” mode, the object diameter in the center area is reduced to 1/2 x beam spacing. Leuze electronic CML 720i Ex...

  • Page 130: Dimensioned Drawings

    M6 thread Fastening groove Profile length (see table 16.4) Receiver Transmitter (see table 16.14) X, Y (see table 16.14) Figure 16.1: CML 720i Ex with axial connector outlet Table 16.14: Beam spacing A [mm] Dimension (40) X [mm] 15.5 Leuze electronic...

  • Page 131: Dimensioned Drawings: Accessories

    (40) W [mm] 66.5 76.5 96.5 Y [mm] The 5 mm and 40 mm beam spacings can only be ordered following consultation with Leuze electronic. 16.5 Dimensioned drawings: Accessories all dimensions in mm Figure 16.2: BT-2L mounting bracket 12.1 10.8 all dimensions in mm Figure 16.3: BT-2Z parallel bracket...
  • Page 132 Ø6,2 Ø18 Ø18 Ø28 Ø28 all dimensions in mm Figure 16.4: BT-2R1 swivel mount (shown in two mounting views) 26,5 ~26.5 11.3 11,3 all dimensions in mm Figure 16.5: BT-2SSD and BT-2SSD-270 swiveling mounting brackets Leuze electronic CML 720i Ex...
  • Page 133 Technical data 20,5 Ø 5,3 (2x) Ø 5,3 (2x) all dimensions in mm Figure 16.6: BT-2SB10/BT-2SB10-S swiveling mounting brackets all dimensions in mm Figure 16.7: BT-2P40 clamp bracket Leuze electronic CML 720i Ex...

  • Page 134: Ordering Information And Accessories

    CML 720i, transmitter, beam spacing 5 mm, measurement field length CN-M12 1920 mm, axial connector outlet, CANopen interface, M12 connector CML720i-T05-1920.A/ CML 720i, transmitter, beam spacing 5 mm, measurement field length D3-M12 1920 mm, axial connector outlet, RS 485 Modbus interface, M12 connector Leuze electronic CML 720i Ex...

  • Page 135: Accessories – Cml 720I Ex With Canopen Or Io-Link Interface

    2720 mm, rear connector outlet, RS 485 Modbus interface, M12 connector 17.2 Accessories – CML 720i Ex with CANopen or IO-Link interface For devices with IO-Link interface, the X2 connection on the receiver is not assigned. The Y-fieldbus cable (3) is not required.
  • Page 136 150 mm, M12 plug, 5-pin (power); shielded PUR cable, length 20,000 mm, M12 socket, 5-pin (transmitter) Table 17.4: PWR IN/digital IO cable accessories – CML 720i Ex with CANopen or IO-Link interface Part no. Part designation Description X1 short open end of the Y-interconnection cable for CML 700i (PWR IN/digital IO); see figure 0.7...

  • Page 137: Accessories – Fastening Technology

    Ordering information and accessories Table 17.5: X2 cable accessories – CML 720i Ex with CANopen or IO-Link interface Part no. Part designation Description X2 Y-interconnection cables CANopen for CML 700i (BUS IN, BUS OUT); see figure 17.1 50118185 K-YCN M12A-M12A-S-PUR Y-interconnection cable CANopen: duo-socket M12, 5-pin, A-coded (receiver X2);...

  • Page 138: Accessories – Pc Connection

    2,000 mm; M12 plug, 5-pin, B-coded 50121000 K-DS M12A-8P-4P-5m L-PUR Adapter cable: M12 socket, 8-pin, B-coded; PUR cable, length 5,000 mm; M12 plug, 5-pin, B-coded 17.5 Accessories - Device columns For devices with axial connector outlet only Leuze electronic CML 720i Ex...

  • Page 139: Scope Of Delivery

    Devices with rear connector outlet are also delivered with a cylinder and a screw. These extra parts are needed for mounting with the BT-2R1 swivel mount (see table 17.8). Leuze electronic CML 720i Ex...

  • Page 140: Ec Declaration Of Conformity

    The measuring light curtains of the CML series have been developed and manufactured in accordance with the applicable European standards and directives. The manufacturer of the product, Leuze electronic GmbH + Co. KG in D-73277 Owen, possesses a certi- fied quality assurance system in accordance with ISO 9001.
  • Page 141 EC Declaration of Conformity EC Declaration of Conformity for Ex Devices– §22 Leuze electronic CML 720i Ex...

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