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1. bumped Invalid configuration in unit Check the environment if any jarring or bumping occurs Reconfigure unit or double check current configuration Incorrect number of active zone inputs hard fault code after diagnostic code 70 above persists for more than 10 minutes Invalid or undefined zone set select input combination but correct number of active zone set select inputs hard fault code after diagnostic code 71 persists for more than 10 minutes Check zone set select input wiring and zone configuration selection Check zone set select input wiring and zone configuration selection Standby input or zone inputs voltage too high Check zone set select inputs or standby input wired at more than system power 24 VDC Scanner chassis connected to power 24 VDC Scanner chassis should be grounded to OVDC 90 E EUROPE Window not detected or entire dust detection surface is dirty or blocked Internal temperature fault OMRON EUROPE B V Wegalaan 67 69 2132 JD Hoofddorp The Netherlands Phone 31 2356 81 300 Fax 31 2356 81 388 E NORTH AMERICA OMRON SCIENTIFIC TECHNOLOGIES INC 6550 Dumbarton Circle Fremont CA 94555 3605 U S A Phone 1 510 608 3400 Fax 1 510 744 1442 E ASIA PACIFIC OMRON ASIA PACIFIC PTE LTD No 438A Alexandra Road 05 05 08 Lobby 2 Alexandra Technopark Singapore 119967 Phone 65 6835 3011 Fax 65 6835 2711 E CHINA OMRON CHINA CO LTD Room 221
2. The window where the laser light is emitted and received 9 Communication Connector Provides for Ethernet interface 1 10 Power Connector For power connections 18 pin connector pigtail 1 11 1 O Block Connector module 12 Center of Rotation Indicates the location of the axis around which the laser irradiates from 13 Sensor Sensor Head field replaceable 1 The communication and power connections can also be mounted on the left side of the I O block E OS32C Dimensions Model 0 32C BP shown Ethernet cable not shown T 158 3 6 24 Ethernet connector with M12 cap plug cable not shown 1 0 block Isometric view Sensor head Mtg holes 140 4 5 53 100 0 3 94 Top view 133 0 5 24 104 5 4 12 67 0 2 64 Scan plane Side view bee 2 01 Back view 142 7 Ethernet connector with M12 cap plug cable not shown 71 3 2 81 min 102 9 4 05 2 0 3 0 10 0 20 0 or 30 0 meters Back plate I O cable assy for 0 32C BP 30 0 1 18 OD Controller cable assy 32 Ethernet cable Cine 270 10 63 Bottom view DIMENSIONS mm inches m Rating Performance Sensor Type Safety Category Type 3 Safety Laser Scanner Category 3 Performance Level d ISO013849 1 2008 Functional Safety of Electrical Electronic Programmable Electronic Safety rel
3. area to the outer edge of the safety zone is calculated as follows S KxT C Z where S Minimum safety distance in mm measured from the danger area to the outer contour of the safety zone K Movement or approach speed in mm s constant K 1600 mm s T Delay between interruption of the safety zone and standstill of the machine in seconds consisting of the sum of t1 t2 and t3 t1 Response time of the OS32C t2 Rundown time of the machine mechanical rundown reaction time of control system t3 additional time delay for use when multiple zones are used t3 10 ms C Safety constant with C 1200 mm 0 4 x H C2 850 where H Distance of detection level from reference level in mm Z Additional safety factors maximum measurement error Z Z1 Z2 Z1 The OS32C s maximum measurement error 100 mm Z2 Additional error by reflective background Cz Refer to the OS32C user s manual for aditional Error by Reflective Background Documentation of Configuration Parameters The person responsible for the set up must record the configuration parameters print out and sign the report e Connect the printer to the PC e Select the menu File Print Configuration in the configuration software e The report is printed out e Sign and date the report and file it in a known location which is always accessible e Stationary Installation Example An example of the installation of O0S32C without undercut on the machine is shown be
4. ohm or higher 500VDC Dielectric withstand voltage 350VAC 50 60Hz 1 minute Enclosure Rating Enclosure Dimensions WxHxD IP65 IEC60529 Sensor Head Die cast aluminum Optics Cover Polycarbonate I O Block Die cast aluminum 133 0 x 104 5 x 142 7mm except cable Impact Resistance Vibration 98m s 1000 times for each of X Y and Z directions IEC60068 2 29 10 55Hz double amplitude of 0 7mm 20 sweepings for X Y and Z directions IEC60068 2 6 Weight Main Unit only 1 3kg Power Cable Up to 30m Communication Cable Up to 100m for 100 BASE T Cat 5 cable Certificated by TUV Rheinland UL Major Standards IEC61496 1 3 Type 3 IS013849 1 2008 Category 3 UL508 UL1998 4 pes si measurement error may need to be added due to reflective backgrounds See user s manual for etails 2 For power source specification see Power sya Unit in the OS32C user s manual 3 Rated current of OS32C is 1 025A max OS32C 210mA OSSD A load OSSD B load Auxiliary output load Warning output load Functional Inputs Where functional inputs are EDM input 5 0mA Start input 20mA Standby input 5mA Zone X input 5mA x 8 eight zone set select inputs 4 Output voltage is Input voltage 2 0VDC 5 Total consumption current of 2 OSSDs auxiliary output and warning output must not exceed 700mA 6 An ethernet cable with an M12 4 pin connector is required 7 Output
5. zone delay configuration Safety output fault Refer to Status Diagnostic A Display Indication of the OS32C user s manual Safety output fault Safety output A is short circuited to 24V Safety output B is short circuited to 24V Safety output A is short circuited to OV External device monitoring fault Safety output B is short circuited to OV EDM external device monitoring fault Check output connection and wiring Check output external device monitoring connection and wiring Other fault External device monitoring fault before OSSD turning ON External device monitoring fault after OSSD turning ON External device monitoring fault during OS32C power on Affected by noise or disturbance light Or internal fault Mutual interference Possible electrical noise interference or internal fault Check the NC contact status of the external device is changing state before the OSSDs turning ON Check the NC contact status of the external device is changing state after the OSSDs turning ON Check the OS32Cs output configuration connections and wiring If window was just replaced perform window calibration Check the environment if any noise or disturbance light is coming in Or consult factory IE Mounting Considerations of the OS2C user s manual Check the environment for electrical noise sources or repair the unit Or consult factory The unit was possibly jarred or
6. 1 Bank of China Tower 200 Yin Cheng Zhong Road PuDong New Area Shanghai 200120 China Phone 86 21 5037 2222 Fax 86 21 5037 2200 OMRON Corporation Check that the window is properly mounted and clean the dust detection surface The scanner internal temperature exceeds the operating limit Add more ventilation OSTI P N 99863 0020 Rev F
7. Failure to test properly could result in serious injury to personnel If the OS32C is operated under automatic start make sure that the machine stops and does not restart as long as an object is detected in a safety zone Check the operation by placing a test piece into the safety zone It is recommended to perform the test at least after a shift change or 24 hours of operation If the safety system or the machine fails any of these tests do not run the machine Immediately tag S or lock out the machine to prevent its use and notify the appropriate supervisor This laser scanner may not be sold or imported into or used in the Federal Republic of Germany prior to December 1 2013 System and zone status parameters monitored over EtherNet IP are to be used for diagnostic S purposes only and must not be used in safety critical functions Measurement data monitored over EtherNet IP are to be used for diagnostic purposes only and must S not be used in safety critical functions When transferring data from the PC to the OS32C and more than one OS32C is connected to the network it is necessary to visually check the diagnostic code on the status diagnostic display It is recommended that the OS32C be installed in a position where the status diagnostic display will be visible Take precautions to prevent dirt dust or debris from entering the sensor and I O block connectors It is recommended that this be done on a clean workstatio
8. SAFETY TECHNOLOGY amp INNOVATION OS32C Safety Laser Scanner Quick Reference Guide OMRON Corporation 2013 All Rights Reserved Safety Precautions The Alert symbols and their meanings ensure safe use of the products In order to use the OS32C safely the precautions listed in this manual are indicated by alert symbols The descriptions must be followed failure to follow all precautions and alerts may result in an unsafe installation or operation The following indications and symbols are used Indicates a potentially hazardous situation which if not avoided will result in minor or moderate injury or may result in serious injury or death Additionally there may be significant property damage Z WARNING Indicates a potentially hazardous situation which if not avoided will result in minor or moderate injury or there may be property damage ANAT NU ile Meaning of alert Symbols Indicates prohibited actions o Indicates mandatory actions _ If more information is needed refer to the OS32C user s manual Z296 E1 07 Alert Statements in this Manual An OS32C is an electro sensitive protective equipment designed to guard personnel working Q around hazardous machinery Whether a specific machine application and the OS32C system installation complies with safety regulations depends on the proper application installation maintenance and operation of the OS32C system These items are th
9. ance S is calculated as follows S Sr Z Sp Vmax x T Sbrake Z Z1 Z2 Zgc Zbf Vmax Maximum speed of AGV in mm s T Response time consisting of sum of t1 t2 and t3 t1 Response time of OS32C t2 Response time of AGV t3 additional time delay for use when multiple zones are used t3 10 ms Sbrake Braking distance of AGV in mm based on manufacturer s document Z1 OS32C s measurement error 100mm Z2 Additional error by reflective background nee Refer to OS32C user s manual Additional Error due to Reflective Background Zgc Safety factor for lack of clearance between under surface of AGV and ground See figure below Zbf Safe factor for reduction of brake force of the AGV through wear and usage Safety Factor for Low Ground Clearance Configured zone a 100 I i o Ioi D I l O Safety io 2 Lae ae 3 50 O Clearance between ground 0 50 100 150 and under surface of AGV Safety factor Zgc mm e Safety Distance Width Required for Safety Zone Sw Minimum safety distance of safety zone width mm Vw Width of AGV mm Z Additional safety factors maximum measurement error With the conditions above the minimum safety distance Sw of safety zone width is calculated as follows Sw Vwt2xZ E Testing the Safety Area If the OS32C is operating in automatic start mode make sure that the machine stops and not restart when the test object is in the safety zone Check its operation by approac
10. ated Systems SIL 2 IEC61508 Detection Capability Configurable Non transparent with a diameter of 30 40 50 70mm 1 8 reflectivity or greater Monitoring Zone Monitoring Zone Set Count Safety Zone 2 Warning Zones 70 sets max Operating Range Safety Zone 1 75m 30mm res 2 5m 40mm res 3 0m 50mm or 70mm res Warning Zone 10 0m Maximum Measurement Error 100mm 1 Detection Angle Angular Resolution 270 0 4 degree Laser Beam Diameter 6mm at optics cover 14mm typical at 3m Laser Scan Plane Height 67mm from the bottom of the scanner see OS32C Dimensions above for more detail Response Time Zone Switching Time Response time from ON gt OFF From 80 ms 2 scans to 680ms up to 17 scans Response time from OFF gt ON Configurable From 20 to 320ms Line voltage Power Consumption 24VDC 25 30 ripple p p 2 5V max 2 Normal operation 5Wmax 4W typical without output load 3 Standby mode 3 75W without output load Emission Source Wavelength Infrared Laser Diode 905nm Laser Protection Class Safety Output OSSD Class 1 IEC EN60825 1 2007 Class 1 JIS 6802 2005 Class CFR21 1040 10 1040 11 PNP transistor x 2 load current of 250mA max residual voltage of 2V max load capacitance of 2 2 uf max leak current of 1mA max 3 4 5 Auxiliary Output Non Safety Warning Output Non Safety O
11. barrier to block the direct path of possible signal crossing Offset Scanning Level by Tilting Detection Plane 5 or more 5 or more Offset Parallel Scanning Levels by Different Installation Height Detection Plane 5 or more Detection Plane 5 or more A When installing the OS32Cs side by side it is more effective to set their mounting heights lt differently When adjusting the OS32C tilted it may be more effective to adjust the OS32C CHECK downward depending on the condition of the outside light source natural light or halogen light Screen Separation using a screen Front View Top View Use of a screen may increase the effect of reflection depending on its material Select one with matte black finish that is resistant to reflection E Stationary Installation When using the OS32C to detect the hazardous area the Start Restart Interlock mode should be selected the regulations applying to the machine must also be complied with e Safety Distance Required Depth of Safety Zone Always configure the safety zone in such a way that the machine comes to a standstill in a time less than that taken to reach the danger point of the machine after infringing interrupting the safety zone The standard ISO 13855 2005 EN 999 1998 must be used to calculate the minimum safety distance according to ISO 13855 2005 EN 999 1998 the minimum safety distance S from the danger zone
12. be properly routed and Q secured to ensure that damage does not occur Functional Earth The OS32C system requires a functional earth connection S Do not connect Functional Earth to a positive ground system If it is connected to positive ground the guarded machine to be controlled may NOT stop resulting in severe operator injury Signal Connector Isolation The connectors used during installation must provide sufficient signal separation in order to prevent Q a short circuit condition of the input power and system signals e Basic connection with single OS32C unit Category 3 Performance Level d IS013849 1 PE L oV 24V Functional Earth Green 24VDC White OVDC Brown Standby input Violet Zone Select 1 Orange White Zone Select 2 Orange Black 4 S2 Zone Select 3 Gray 4 S2 Zone Select 4 Pink 4 S2 Zone Select 5 White Black 4 S2 Zone Select 6 Tan 4 S2 Zone Select 7 Orange 4 S2 Zone Select 8 Blue White 4 Start Black Auxiliary output Blue Warning output Red Black EDM Brown White Safety output B Yellow Safety output A Red 1 Start Input OS32C Configuration External Device Monitoring 2 Zone Select Switch Enabled S3 Standby Switch Start Restart Interlock M1 3 Phase Motor E1 24 VDC Power 1 The External Devices ED1 and ED2 are force guided relays e g G7Z G7SA or G7S 2 If the External Device Monitoring is not used connec
13. e responsibility of the purchaser installer and user User N WARNING The administrator is responsible for the selection and training of personnel to properly install D operate and maintain the machine and its safeguarding systems An OS32C system should only be installed verified and maintained by a qualified person A qualified person is defined as an individual who understands is trained on and demonstrates Q competence with the construction operation or maintenance of the machinery and the hazards involved ANSI PMMI B155 1 2006 The machine requirements The guarded machine must be able to stop anywhere in its cycle Do not use an OS32C on a press S with a full revolution clutch The guarded machine must have a consistent stopping time and adequate control mechanisms All safety related machine control elements must be designed so that an alarm in the control logic Q or failure of the control circuit does not lead to a failure to danger Do not use the auxiliary output or warning output for safety applications A human body may not be detected even if a failure of OS32C occurs resulting in serious injuries Q Installation The main unit must be securely mounted and its cable connectors must be tightly attached Q A start switch to release interlock must be installed where an operator can observe the monitored guarded zone as a whole and cannot operate the switch within the hazardous zone A protective mechanis
14. e than 24VDC 25 30 Do not supply AC S power to the OS32C this may result in electrical shock For the OS32C to meet IEC 61496 1 and UL 508 its DC power supply unit must satisfy all of the following conditions e Within rated line voltage 24 VDC 25 30 e Complying with EMC directives industrial environments e Double insulation or reinforced insulation between primary and secondary circuits e Automatic return for overcurrent protection D e Output retention time of 20 ms or longer e Satisfying output characteristics requirements of Class 2 circuit or limited voltage current circuit defined in UL508 e Power supply complying with regulations and standards of EMC and safety country or a region where OS32C is used Example of electrical equipment in EU a power supply must comply with EMC directives for low voltage To prevent electrical shock use double insulation or reinforced insulation from hazardous voltage Q such as 230 VAC Cable extensions must be within the specified lengths otherwise it may result in a failure of the safety functions To use this product for a category 3 safety system both safety outputs must be connected to the safety system Configuring a safety system with only one safety output may result in serious injuries 1 due to output circuit fault and a failure of the machine to stop Protection of Cable at Installation Care should be taken when installing the OS32C cable The cable must
15. exactly to the Q zone defined in the file The user must visually verify the imported zone when the zone coordinate import process is complete Refer to Checkout and Test Procedure Log in the OS32C user s manual Others Do not modify the main unit of the OS32C Do not replace or fix any component of the OS32C other than the ones specified in the user s manual Doing so may result in a failure of the device to function correctly If there is any damage to the window replace it as soon as possible Otherwise it may result in a failure of the OS32C Take preventive measures when performing replacement work so that dust does not enter the OS32C Always detach all cables from the OS32C before replacing the scan window Otherwise the motor may start rotating resulting in injuries The test outlined in this test procedure See Checkout and Test Procedure Log in the OS32C user s manual must be performed at time of installation according to the employer s regular inspection program and after any maintenance tooling change set up adjustment or modification to the OS32C system or the guarded machine Where a guarded machine is used by multiple operators or shifts it is suggested that the test procedure be performed at each shift or operation change and also if there is a change in the OS32C operating mode or defined zone sets Testing ensures that the safety laser scanner and the machine control system are working properly to stop the machine
16. h of a test object into a safety zone It is recommended that this test be performed after a shift change or 24 hours of operation To test the OS32C s detection capability guide the test object along the perimeter of the safety detection zone as shown in the figure below The hazardous motion of the guarded equipment must stop immediately within the pre determined accepted stop times While in Automatic Start Mode the OS32C MUST remain in the machine stop state throughout the entire test To test the OS32C use a test object with a diameter appropriate for the selected resolution A test object does not come with the OS32C Testing a Horizontal Safety Zone Top view Guarded machine Note In this example a semicircle is configured as 2m of safety zone and 3m of warning zone unen Verify that all indicators and displays are operating properly and correspond to their defined functions of the OS32C Inspect the OS32C housing and the exit window for signs of damage or manipulation If the OS32C is used in a stationary guarding application ensure that the safety zone s are clearly marked on the floor For mobile applications make sure that the vehicle stops moving within the limits set in the initial configuration If the OS32C fails any of these tests lock out the guarded equipment and contact the factory supervisor immediately E Wiring Connections Do not connect the OS32C to a power supply with mor
17. low Installation on a Machine shine table Side View loo The OS32C measurement error Z1 100 mm Additional error Z2 by reflective background In this example Z2 is O due to no surrounding wall See user s manual Machine table Width of danger zone J Danger zone l Safety zone i l distance M Safety zone that needs setup by the configuration software Fence Top View Cover to prevent intrusion to dead zone SSS SFdistance Specifications K 1600mm s Movement or approach speed mm s T t1 t2 t1 0 08s Response time of OS32C s t2 0 2s Stop time including response time of machine s C 1200mm 0 4xH C 850mm safety factor mm H 300mm Distance of detected level from reference level mm Z Z1 Z2 Z1 100mm OS32C s measurement error mm Z2 Omm Additional error by reflective background mm E Mobile Installation for Automated Guided Vehicles AGV e Safety Distance Safety zone depth required for safety zone For calculating the minimum safety distance for AGV the standard IEC 61496 3 can be used The safety distance S for use with an AGV should be calculated using the following formula S Minimum safety distance in mm measured from the danger area to the outer contour of the safety zone Sp Maximum stopping distance for AGV mm Z Additional safety factors maximum measurement error With the conditions above the minimum safety dist
18. m must be installed to prevent a hazardous condition in the event of a subsequent machine component failure The OS32C does not protect against ejected flying material Severe smoke and particulate matter may degrade the efficiency of an OS32C causing it to unexpectedly enter a Machine Stop state Use of mirrors or mirror like objects in the protection plane must be avoided as they can hide part Q of the area to be monitored guarded Additional guarding may be required to prohibit access to dangerous areas not covered by the OS32C system Q Perform the test procedure described in the OS32C user s manual at installation after maintenance Q adjustment repair or modification to the machine controls tooling or the OS32C system Perform only the test and repair procedures outlined in the OS32C user s manual Q Additional measurement error resulting from reflective backgrounds may need to be added to the Q measurement error of the OS32C To use the protective function of the OS32C a safety zone must be properly defined and configured Q If the response time is changed re calculation of the safety distance is required This may require re configuration of the safety zones or re installation of the OS32C If the safety distance is not Q appropriate for the application the machine may not stop before contact with the hazardous part resulting in serious injuries or death When using more than one OS32C mutual interference should be preven
19. n as contaminants may degrade the performance of the OS32C Adhesion of dust to the scan window may cause a false operation The OS32C will require periodic cleaning of the scan window and dust detection surface Operation of the OS32C may be affected by light in the environment such as incandescent light strobe light and light from a photosensor using infrared light Operation of the OS32C may be affected by substances in the environment such as fog smoke steam and other small particles Ensure the measurement report configuration matches the expected measurement data format E System Components 12 Function No Component RUN output indicator green Will turn ON when safety zone is clear and OSSDs are ON So oOo 99o 9999 Interlock Indicator yellow Status Diagnostic Display The scanner s status configuration operation or failure is displayed Will turn ON when in interlock state blink under lockout and blink in case of a failure STOP output indicator red Will turn ON when safety zone is blocked OSSD are OFF or under interlock state Dust Ring Individual Sector Indicators 4 Warning Output Indicator orange Will turn ON when the warning output is ON Dust detection cover with reflective surface for dust accumulation detection Will turn ON when an intrusion is detected in the safety zone 8 sectors total Each sector 33 75 8 Scan Window
20. peration Mode NPN PNP transistor x 1 load current of 100mA max residual voltage of 2V max leak current of 1mA max 4 5 7 NPN PNP transistor x 1 load current of 100mA max residual voltage of 2V max leak current of 1mA max 4 5 7 Auto Start Start Interlock Start Restart Interlock External Device Monitoring ON OV short input current of 5 0mA OFF Open Start Zone Select Standby ON OV short input current of 20mA OFF Open ON 24V short input current of 5mA OFF Open ON 24V short input current of 5mA max OFF Open Connection Type Power Cable 18 pin mini connector pigtail Communication Cable M12 4 pin connector Connection with PC Communication Ethernet 6 OS Supported Windows 2000 Windows XP Windows Vista Windows 7 Indicators RUN Indicator Green STOP Indicator Red Interlock Indicator Yellow Warning Auxiliary Output Indicator Orange pegs ry Display 2 x 7 segment LEDs Individual Sector Indicators Red LED x 8 Protective Circuit Protection against output load short and reverse power connection Ambient Temperature Operation 10 to 50 deg C Storage 25 to 70 deg C Ambient Humidity Operation amp Storage 95 RH max non condensing Ambient Operation Illumination Insulation resistance Incandescent lamp Illumination on receiving surface 1500Ix max an angle of laser scanning plane and disturbance light must be 5 degrees or more 20Mega
21. polarity NPN PNP is configurable via the configuration tool E Mounting Considerations ANT NULiTe x Operation of the OS32C may be affected by light in the environment such as incandescent light strobe light and light from a photosensor using infrared light Operation of the OS32C may be affected by substances in the environment such as fog smoke steam and other small particles The following considerations should be taken into account when determining the mounting location for the OS32C It is possible for ambient light to interfere with normal operation of the OS32C Ambient light interference DOES NOT lead to a loss of safety it may however cause false nuisance stops of the guarded equipment Some installations may require that the OS32C be mounted in direct exposure to ambient light In these situations you must assure that the separation between the scan plane of the OS32C and the light source be greater than 5 Configuring Multiple OS32C Scanners The possibility exists that two OS32C may interfere with each other To avoid this when using multiple OS32C in the same location please review the following mounting recommendations e Adjust the scanners to offset the scanning plane by tilting the OS32Cs e Adjust the scanners to offset the scanning plane by mounting the OS32Cs at different heights e Adjust the scanners to different scanning planes and additional sampling scans response time on the OS32Cs e Install a
22. t brown white wires to OV and then turn OFF the External Device Monitoring with the configuration software 3 The Start Input must be a Normally Closed switch 4 For zone select switch setting see Zone Set Input Selection When using only one zone no connection is needed for the zone select inputs wu This wiring example is for category 3 lt CHECK ED1 ED2 Forced guided relay m OS32C Status Check The OS32C has the status diagnostic display on the front which indicates configuration error status of the OS32C Diagnostic Code Normal Operation Power up indication Corrective Action Normal operation guarded machine stop blinking at a slow rate Standby mode guarded machine stop The rate of blinking depends on the mode 01 Interlock state waiting for start input 02 Configuration mode guarded machine stop 80 Window contamination indication guarded machine stop The window is dirty or scratched clean or replace as necessary 70 Incorrect number of active zone inputs guarded machine stop Check zone set select input wiring zone configuration selection Zone set select input switching time and zone delay configuration Invalid or undefined zone input combination but correct number of active zone inputs guarded machine stop Check zone set select input wiring zone configuration selection zone set select input switching time and
23. ted This may require Q different scanner positions or physical shields to be installed To ensure a protection degree of IP65 DO NOT use this product without proper sealing of the cable connector I O block and scan window If the external zone switching device momentarily exceeds the configured number of active zone set select inputs during the zone switch an additional Zone Delay may be incurred in the event that wiring of a zone set select input fails The external zone switching device must properly sequence so the configured number of active inputs is not exceeded in order to guarantee that failed zone set select input wiring will be detected within the normal Zone Switching Time If an insufficient Zone Delay is used for the actual worst case switching time of the installation the scanner might start monitoring the wrong zone during the switching period Also if an insufficient Zone Delay is used for the actual worst case switching time of the installation there might be a fault condition during the zone switching period If tstart switching start time is configured without consideration of TmaxReaction total maximum reaction time object detection within the new safety zone after switching and turning OFF of the safety outputs may be delayed Monitoring zone parameters are subject to a number of constraints that include projective consistency maximum radius and angle limits As a result an imported zone may not correspond

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