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Summary of Contents for Banner AG4-4E
- Page 1 Banner AG4 Series Safety Laser Scanner Product Manual P/N 144924 05/2009...
- Page 2 Important ... read this page before proceeding! In the United States, the functions that the Banner AG4 Series Safety Laser Scanner is intended to perform are regulated by the Occupational Safety and Health Administration (OSHA). Outside of the United States, these functions are regulated by other agencies, organizations, and governments.
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Page 3: Table Of Contents
Banner AG4 Series Safety Laser Scanner TABLE OF CONTENTS Overview ..........................7 1.1 Status Display ........................8 1.2 Mounting System (Optional) ....................8 1.3 ConfigPlug (Optional)......................8 1.4 Product Labels ........................9 1.4.1 Product identification plate ..................9 1.4.2 Safety Notice ......................9 Proper Use and Intended Purpose ................. - Page 4 Banner AG4 Series Safety Laser Scanner Danger zone guarding ....................21 Hazard point guarding (with field pairs) ................22 Access guarding ......................23 4. Installation ..........................25 Basic information ......................25 4.1.1 Process steps ....................... 25 Configuration Considerations ..................26 Handling unmonitored areas ...................
- Page 5 Banner AG4 Series Safety Laser Scanner 6.1.4 Stop segment output .................... 52 6.1.5 Output resolution ....................52 6.1.6 Serial interface baud rate ..................53 6.1.7 Alarm incident ...................... 53 6.1.8 Pre-calculated measured values output ............... 53 6.1.9 2nd measured value calculation segment............53 6.1.10...
- Page 6 Banner AG4 Series Safety Laser Scanner LED status displays ......................67 LED warning and error displays ..................69 Diagnostics codes ......................70 EC Declaration of Conformity ..................... 76 10. Glossary ..........................77 10.1 List of Abbreviations ....................77 10.2 List of terms ....................... 77...
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Page 7: Overview
Banner AG4 Series Safety Laser Scanner 1 Overview The Banner AG4 is an optical, two-dimensional measuring Safety Laser Scanner. The Scanner emits periodic light pulses via a rotating deflection unit. The light pulses reflect back from objects in the field and are then detected by the Scanner receiver. -
Page 8: Status Display
Banner AG4 Series Safety Laser Scanner 1.1 Status Display Five LEDs on the housing front show the Scanner's operating status. LED Diagnostic Key Meaning Sensor function is active; the active PF is clear. 1, green Flashes @ Fault on the field pair control 2 Hz inputs. -
Page 9: Product Labels
Banner AG4 Series Safety Laser Scanner 1.4 Product Labels 1.4.1 Product identification plate The product identification plate is located on the top of the AG4 and details information as shown below. Figure 4. Product identification plate 1.4.2 Safety Notice A Safety notice is located on the AG4 as shown. -
Page 10: Proper Use And Intended Purpose
Banner AG4 Series Safety Laser Scanner WARNING . . . USER RESPONSIBILITY It is the responsibility of the Qualified Person who configures, installs, or maintains the AG4 to: • Carefully read, understand and follow the information in this manual. • Perform a risk assessment of the specific machine guarding application. -
Page 11: Qualified Person
Banner AG4 Series Safety Laser Scanner 1.6.2 Qualified Person A Qualified Person, by possession of a recognized degree or certificate of professional training, or by extensive knowledge, training and experience, has successfully demonstrated the ability to solve problems relating to the installation of the Scanner and its integration with the guarded machine. -
Page 12: Handling The Scanner
Banner AG4 Series Safety Laser Scanner 1.10 Handling the Scanner Observe the permissible environmental conditions for storage and operation. Front Screen and Scatter Screens -- The Scanner’s front screen and scatter screens must be clean, free of damage and properly installed. -
Page 13: Providing The Machine Operator With Information
Banner AG4 Series Safety Laser Scanner 1.12 Providing the machine operator with information WARNING . . . SCANNER OPERATION ON POWER-UP It is the responsibility of the person who configures, installs, and/or maintains the AG4 Scanner to assess what safeguarding devices and methods are appropriate for any given machine or application and to be aware that the power-up behavior of this Scanner application may not be obvious to the machine operator. -
Page 14: Restart Interlock - Manual Restart (Reset) When Pf Is Clear
Banner AG4 Series Safety Laser Scanner 1.14.2 Restart interlock - Manual Restart (reset) when PF is clear The restart interlock prevents the machine from starting automatically, as soon as the PF is clear again. The restart interlock function always includes the start interlock function (if someone is detected in the protective field and then power is lost and comes back on again then a single button activation will cause the Scanner outputs to turn on). - Page 15 Banner AG4 Series Safety Laser Scanner Once the Scanner is configured, switching over or “activating” the individual field pairs is controlled by the 4 FP input lines on the X1 plug (See The rules for when each FP can be deactivated must be thoroughly analyzed during the machine risk table 1 Input Logic for Field Pair Control).
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Page 16: Reference Contour (Surface) Monitoring
Banner AG4 Series Safety Laser Scanner Field pair switchover control The FP switchover sequence performed by the control system must agree with the Scanner’s operational settings which are established during configuration. NOTE: When switching over between field pairs, keep the first field pair active while activating the second. Do not deactivate one field pair before activating the second;... -
Page 17: Models And Specifications
It simulates the machine for the purpose of testing the outputreaction of the individual field pairs. 24 V; power supply is not included (banana jack). Replacement Parts AG4-WIN 82138 3082138 Window with seal for AG4-4E Laser Scanner AG4-CP 82150 3082150 Straight Config plug, for AG4-4E auto-configuration AG4-CPD15... - Page 18 Banner AG4 Series Safety Laser Scanner AG4-PCD9-RA 82154 3082154 Plug & socket 9 pin AG4 for X2 interface cable routing to rear AG4A-SW-A 144088 144088 Configuration and diagnostics software, AG4soft ( Windows 95/98/2000/NT/XP) 2.2 Specifications 24 V DC (+20% / -30%) Power supply in acc.
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Page 19: Dimensions
Banner AG4 Series Safety Laser Scanner Die-cast aluminum with a thermoplastic resin window Housing Material 2.1 kg Weight Temperature: 0 to 50°C Operating Conditions Humidity: Max. 95% Five LEDs on front show Safety Sensor Status Indicators 10 to 150 Hz frequency, 5 G max. (50 m/s approx.) in X, Y and Z directions for twenty times each... - Page 20 Banner AG4 Series Safety Laser Scanner Mounting system (option) All dimensions in mm. Figure 9. Mounting system dimensions P/N 144924 05/2009 Product Manual...
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Page 21: Application Basics
Banner AG4 Series Safety Laser Scanner 3. Application Basics The following sections briefly describe some of the possible applications. 3.1 Danger zone guarding Danger zone guarding enables a large protection area on machines that must remain accessible. The Scanner is applied as a stop-activating and presence-detecting protective device. -
Page 22: Hazard Point Guarding (With Field Pairs)
Banner AG4 Series Safety Laser Scanner 3.2 Hazard point guarding (with field pairs) Hand and arm protection is necessary when people are required to work at a hazard point. The Scanner below is applied as a stop-activating and presence-detecting protective device. The Scanner's PF is set up vertically in the front of the machine. With small protective field dimensions (range) the Scanner provides the correspondingly required high resolution level. -
Page 23: Access Guarding
Banner AG4 Series Safety Laser Scanner 3.3 Access guarding WARNING . . . AUTOMATIC START/RESTART When the AG4 Scanner is configured for Automatic Start/Restart operation, the sensor will turn its safety outputs on as soon as the protective field is clear. If the application requires a manual start/restart signal then the Start/restart Interlock function must be configured for this manual Start/restart signal. - Page 24 Banner AG4 Series Safety Laser Scanner Access guarding protects people who are required to occasionally access a danger zone. In the figure below, the vertical PF of the AG4 is used to detect a person who walks into the cell. A side post and the floor serve as reference surfaces for monitoring the boundary of the PF. In contrast to danger zone guarding, the AG4 no longer detects a person in the cell after they pass through the PF.
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Page 25: Installation
Banner AG4 Series Safety Laser Scanner 4. Installation 4.1 Basic information The AG4’s protective function is guaranteed only when the device arrangement, configuration, PF coverage and installation are appropriate for both the application and the risk assessment determination. The installation work must only be performed by an appropriately Qualified Person in compliance with the applicable standards and these instructions. -
Page 26: Configuration Considerations
Banner AG4 Series Safety Laser Scanner 4.2 Configuration Considerations WARNING . . . SHADOWING IN THE PROTECTIVE FIELD Permanent objects in the protective field can create a shadow or unprotected zone that may provide an access route to the hazard point. Make sure that any unprotected access routes are eliminated by repositioning the AG4 or by adding supplemental guarding devices. -
Page 27: Handling Unmonitored Areas
Banner AG4 Series Safety Laser Scanner 4.3 Handling unmonitored areas WARNING . . . UNMONITORED AREAS The area behind and on either side, near the Scanner (in the figure below) is not monitored. It can create an access route to the hazard point or a blind zone where a person cannot be detected. -
Page 28: Considerations For Adjacent Scanners
Banner AG4 Series Safety Laser Scanner 4.4 Considerations for Adjacent Scanners CAUTION . . . ADJACENT SCANNERS Scanners that have a clear line of sight to another Scanner and that share the same detection plan must be adjusted or shielded so that their light pulses are not detected by these adjacent scanners. - Page 29 Banner AG4 Series Safety Laser Scanner Install the Scanners off-set on the height, or with crossed alignment, as shown in the figures below. Figure 16. Height Offset Mounting and Parallel Alignment Figure 17. Adjacent Mounting without Height Offset and with Crossed Alignment Figure 18.
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Page 30: Minimum Separation Distance
Banner AG4 Series Safety Laser Scanner 4.5 Minimum Separation Distance 4.5.1 Minimum Separation Distance (US Standards) When all factors that influence the Separation Distance are considered, the formula is: Ds = [K x (Ts + Tr)] + Dpf + Z refl the separation distance, in mm (inches);... -
Page 31: Scanner-Specific Additional Distance Factors
Banner AG4 Series Safety Laser Scanner 4.5.2 Scanner-Specific Additional Distance Factors There are two Scanner-specific factors that must be considered when calculating the Minimum Separation Distance: Z & Z refl Measurement Tolerance Factor is the additional distance needed to account for distance measurement error. The value for Z... -
Page 32: Minimum Separation Distance (European Standards)
Banner AG4 Series Safety Laser Scanner 4.5.3 Minimum Separation Distance (European Standards) When all factors that influence the Separation Distance are considered, the formula is: S = (K x T) + C + Z refl = the minimum distance between the hazard and the protective field. -
Page 33: Distance Adjustment C, Based On The Possible Field Intrusion
Banner AG4 Series Safety Laser Scanner 4.5.4 Distance adjustment C, based on the possible field intrusion Vertical Protective Field Applications (normal approach) For Resolutions d ≤ 40mm (1.6 in.), the formula for C is: NOTE: C is never be less than 0 (zero) C = 8 x (d −... -
Page 34: Scanner-Specific Additional Distance Factors
Banner AG4 Series Safety Laser Scanner 4.5.5 Scanner-Specific Additional Distance Factors There are three Scanner-specific factors that must be considered when calculating the Minimum Separation Distance: Z & Z refl Measurement Tolerance Factor is the additional distance needed to account for distance measurement error. The value for Z... -
Page 35: Example Of Separation Distance Formula Adjustments Z
Banner AG4 Series Safety Laser Scanner 4.5.6 Example of separation distance formula adjustments Z Objects within the field (PF & WF) boundaries are detected using the laser pulse, time-of-flight measurement method. A measurement error value, Z , based on the farthest PF range value R , will need to be added to the minimum separation distance formula. -
Page 36: Horizontal Protective Field Applications (Us & European Standards)
Banner AG4 Series Safety Laser Scanner 4.5.7 Horizontal Protective Field Applications (US & European Standards) Height of the Protective Field above the Floor or walking surface The height of the protective field above the floor H can not be greater than 1000mm. -
Page 37: C For Horizontal Protective Field Applications (Parallel Approach)
Banner AG4 Series Safety Laser Scanner Figure 20. Beam level close to the floor – maximum resolution of Figure 21. Beam level at 300 mm – maximum resolution of 70 mm 50 mm is required is required 4.5.8 C for Horizontal Protective Field Applications (parallel approach) C, from the minimum separation formula, is an additional distance required to account for the protective field intrusion (finger, hand or arm) that’s possible. -
Page 38: Application Examples
Banner AG4 Series Safety Laser Scanner The Scanner’s mirror rotates every 40 ms (25 scans [revolutions] per second). The safety outputs will switch off only after an object is detected in the PF for at least two consecutive scans. The Scanner’s minimum response time is therefore 80ms (2x 40ms /scan). -
Page 39: Hazard Guarding - Approach Is Normal To The Protective Field
Banner AG4 Series Safety Laser Scanner Mark the PF boundaries on the floor (not required, but recommended). Under controlled conditions where no personnel are exposed to the hazard, test the Scanner along these boundary markings. Important: Verify that the Scanner OSSDs switch off whenever the protective field is entered. -
Page 40: Pf And Reference Surface
Banner AG4 Series Safety Laser Scanner Using the configuration software (AG4soft), select the hand or arm protection presetting. NOTE: The maximum PF range limits are automatically set as a result of the field resolution (30mm or 40mm) requirements. Specify the PF boundaries and define the reference surfaces if appropriate (see PF and Reference surfaces section below) Under controlled conditions where no personnel are exposed to the hazard, test the Scanner along and within these boundary. -
Page 41: Access Guarding
Banner AG4 Series Safety Laser Scanner 4.6.4 Access guarding WARNING . . . FIELD PAIR SWITCHING LIMITATIONS Field Pair switchover (safety output authority changes) are only permitted during portions of the application cycle where hazards are not present or are otherwise inaccessible via other guarding means. -
Page 42: Pf With Reference Surface
Banner AG4 Series Safety Laser Scanner 4.6.5 PF with Reference Surface With a vertical PF at least two sides of the PF contour must defined as reference contour in accordance with IEC 61496-3. The objective is to continuously monitor the reference contour of the PF. If the relationship between the Scanner and the reference changes, the safety outputs or switching function switch off. - Page 43 Banner AG4 Series Safety Laser Scanner Important: Verify that the Scanner OSSDs switch off whenever each of the protective field is entered. Check to be sure there are no unprotected access routes to the hazard. See Commissioning and Check out procedures in Section 7 Check to make sure that all field pairs switch to the active state as expected.
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Page 44: Electrical Connection
Banner AG4 Series Safety Laser Scanner 5. Electrical connection WARNING . . . INTERFACING OF BOTH OSSDS Both of the OSSDs (output signal switching devices) must be connected to the machine control so that the machine’s safety control system interrupts the circuit to the machine primary control elements, resulting in a non-hazardous condition. Never wire an intermediate device(s) (e.g., PLC, PES, or PC) that can fail such that there is a loss of the safety stop function... - Page 45 Banner AG4 Series Safety Laser Scanner 1 X1 plug 2 X2 plug 3 X2 cable for connection with PC/laptop 4 Protective housing, if no PC/laptop connected Figure 29 Scanner interfaces The plug housings are included with the Scanner. A protective housing is also included for the X2 interface. The protective housing protects interface X2 if no PC is connected.
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Page 46: X1 Plug Interface Assignment
Banner AG4 Series Safety Laser Scanner 5.1.1 X1 plug interface assignment Color code Signal Description blue 0V dc Supply voltage earth purple Reset Input, Scanner reset and start/restart button connection brown + 24V dc Supply voltage orange FP 1 Control input for activating field pair 1 Semiconductor output with switch-off with: •... -
Page 47: Interface Assignment, Plug X2
5.1.3 Cable Assembly Either use the plug housing included with the Scanner and self-assemble the cables, or use Banner’s pre-assembled cables. Control cables with ConfigPlug integrated in the plug are available as accessories. ConfigPlug saves an existing configuration and transfers it automatically to the new Scanner. - Page 48 Banner AG4 Series Safety Laser Scanner a X1 socket b X2 plug The cable glands permit cable diameters of 6.5 to 10.5 mm. Figure 33. Cable assembly Assemble X1 cable Table 5. X1 cable requirements SUB-D, 15-pin Plug Socket SUB-D, 15-pin Wire gauge Min.
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Page 49: Integrating The Scanner Into Machine Control System
Banner AG4 Series Safety Laser Scanner 5.2 Integrating the Scanner into machine control system The following examples show options for integrating the Scanner into the machine control system. As soon as the power supply has been connected and a PF is activated, the Scanner is ready for test operations 5.2.1... - Page 50 Banner AG4 Series Safety Laser Scanner Figure 34. Connection example with external start/restart interlock and contactor monitoring, without field pair switchover P/N 144924 05/2009 Product Manual...
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Page 51: Safety Plc For Field Pair Switch Control
Banner AG4 Series Safety Laser Scanner 5.2.2 Safety PLC for field pair switch control The safety level corresponds with at least category 3 in acc. with EN 954. Figure 35. Example of a connection with a Safety PLC (min. category 3, EN 954) and field pair switchover. -
Page 52: Configuration
Banner AG4 Series Safety Laser Scanner 6. Configuration The AG4Soft configuration software is used to establish the Scanner operating parameters (see the AG4Soft Software Manual). The Scanner is configured at the factory with the maximum PF and activated start/restart interlock. Configure the Scanner according to the application. -
Page 53: Serial Interface Baud Rate
Banner AG4 Series Safety Laser Scanner Settings • Settable value: 1 to 8 • Default value: 4 If a higher resolution display is required, enter 1. If a smoother, quicker display updated is required, enter 8. 6.1.6 Serial interface baud rate The Serial interface baud rate parameter provides the transfer rate between the Scanner and the PC. -
Page 54: Safety-Relevant Parameters
Banner AG4 Series Safety Laser Scanner Settings • 0 - 528 • Default value: 514 6.2 Safety-relevant parameters 6.2.1 Application The Application parameter provides the usage scenario that the Scanner will be configured for. Settings The following applications can be selected. -
Page 55: Applicable Field Pair Selection With Scanner Start
Banner AG4 Series Safety Laser Scanner Settings: Activated Deactivated Default value: Activated 6.2.4 Applicable field pair selection at Scanner start The Applicable field pair selection at Scanner start parameter indicates which field pair may be active when the Scanner starts. -
Page 56: Safety System Testing
Banner AG4 Series Safety Laser Scanner 7 Safety System Testing 7.1 Prescribed Test Schedule In accordance with IEC TS62046 and national regulations, such as EU Directive 89/655 EEC, for example, tests are prescribed in the following situations: • Before each work shift machine start-up •... -
Page 57: Configuration Recommendations
Banner AG4 Series Safety Laser Scanner 7.3 Configuration Recommendations Storing Configuration Settings When the Scanner successfully stops the machine during the test and no further safety system checks are needed, the system can be powered down. The Scanner stores the configuration settings in memory for future use. -
Page 58: Starting Up A Replacement Scanner
Banner AG4 Series Safety Laser Scanner 7.5 Starting up a replacement Scanner WARNING . . . BEFORE APPLYING POWER TO THE MACHINE Verify that the guarded area is clear of personnel and unwanted materials (such as tools) before applying power to the guarded machine. -
Page 59: Testing - Pre-Startup And Post Machine Modification
Banner AG4 Series Safety Laser Scanner Test the replacement Scanner The replacement Scanner test depends on whether the ConfigPlug is used or the configuration has been transferred with the PC to the Scanner. For ConfigPlug use, test the Scanner using the Laser Scanner Test Device. -
Page 60: Scanner Initial Startup Checkout Card - Before The Machine Connection
Banner AG4 Series Safety Laser Scanner Scanner Initial Startup Checkout Card – prior to the machine connection Tester: Qualified Person This checkout serves as a reference for the machine manufacturer or supplier. It replaces neither the test of the entire machine or system before the first startup nor its regular tests by an appropriately Qualified Person. -
Page 61: Daily Checkout
Banner AG4 Series Safety Laser Scanner Is the dangerous movement stopped when the Scanner is disconnected from the supply voltage, when the machine operating mode changes or when a change is made to another protective device? Are the instructions for the Scanner 's daily test mounted so they are clearly visible for the operating staff? 7.7 Daily Checkout... -
Page 62: Daily Checkout Card
Banner AG4 Series Safety Laser Scanner 7.7.1 Daily Checkout Card Tester: Qualified Person Test the Scanner switch-off function daily or at shift changes and with every change of the machine operating mode in accordance with the following checklist, in order to reveal any possible damage or manipulations. -
Page 63: Maintenance And Repairs
Banner AG4 Series Safety Laser Scanner 8 Maintenance and Repairs 8.1 Cleaning the Scanner Front Screen Clean the Scanner’s front and scatter screens regularly, at a frequency depending on the surrounding environmental conditions, and using the recommended materials. (Use only the AG4-CLN.. cleaning kit specified in Section 2, consisting of approved cleanser and cleaning cloths.) Do not use scouring pads or cloths that can cause scratching. -
Page 64: Cleaning The Scatter Screens
Banner AG4 Series Safety Laser Scanner Soak cloth with cleanser. Wipe front screen free in one swipe. 8.2 Cleaning the scatter screens Soak cloth with cleanser. Wipe scatter screen free in one swipe. 8.3 Changing the front screen If the front screen is scratched, replace it. Only a Qualified Person may change the front screen. - Page 65 Banner AG4 Series Safety Laser Scanner Loosen the screws of the fixing plates. Remove the fixing plates. Push the old front screen backwards out of the housing. Hold the new front screen on the sides and carefully place it in the correct position.
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Page 66: Disposal
Do not attempt any repairs to the Scanner, other than replacement of the screens. It contains no other field-replaceable components. Return it to the factory for warranty repair or replacement. Contact Banner Factory Application Engineering at the address or the numbers listed on the back page. -
Page 67: Diagnostics And Troubleshooting
Read the diagnostics list with the configuration and diagnostics software and remove the errors with the aid of the solution provided. Create a service file with the configuration and diagnostics software and send this service file for remote diagnostics to Banner (see AG4soft Software Instruction Manual for more information). Refer to figure on following page for LED names and locations. - Page 68 Banner AG4 Series Safety Laser Scanner Five LEDs on the housing front show the Scanner's operating status. LED Diagnostic Key Meaning Sensor function is active; the active PF is clear. 1, green Flashes @ Fault on the field pair control 2 Hz inputs.
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Page 69: Led Warning And Error Displays
Banner AG4 Series Safety Laser Scanner 9.3 LED warning and error displays Table 10. LED diagnostic codes (see signal key at bottom) LED signals Status Activity • The sensor function is active; the active PF is free. Clean the front screen as soon as possible. -
Page 70: Diagnostics Codes
Banner AG4 Series Safety Laser Scanner 9.4 Diagnostics codes A diagnostics list can be created with the software. The incidents that occurred during the Scanner operation are listed in this diagnostics list. Each incident is given with place and number. The meaning of the incidents is shown in the following table. - Page 71 Banner AG4 Series Safety Laser Scanner Place Number Meaning Activity Motor speed not constant after start, time 1003 If reset is not successful, contact customer service exceeded. Safety outputs or switching function (OSSDs) 1110 cannot be switched, short-circuit with 0 V DC or Check the connection/wiring of the OSSDs.
- Page 72 Banner AG4 Series Safety Laser Scanner Place Number Meaning Activity Signal of a light beam safety device of the window 1705 monitoring below the bottom limit, oil/grease on the Clean the front screen front screen Safety outputs or switching function (OSSDs) Check the connection/wiring of the OSSDs.
- Page 73 Banner AG4 Series Safety Laser Scanner Place Number Meaning Activity Date of the configuration currently being transferred is older than the date saved in the 2017 Update the PC's date and time setting. Scanner. Motion Monitoring, error with the speed matrix 2018 Start the configuration transfer again.
- Page 74 Banner AG4 Series Safety Laser Scanner Place Number Meaning Activity Reference measurement failed; glare from another 2402 Scanner performs reset. light source (905 nm) or rotation speed error. Reference measurement failed; glare from another 2402 41/42 Scanner performs reset. light source (905 nm) or rotation speed error.
- Page 75 Banner AG4 Series Safety Laser Scanner Place Number Meaning Activity The PF activation performed does not comply with 2804 Check the activation of the PFs in the program wizard. Scanner. the specifications programmed in the 2804 No PF clearly selected.
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Page 76: Ec Declaration Of Conformity
Banner AG4 Series Safety Laser Scanner EC Declaration of Conformity Qualersonified P P/N 144924 05/2009 Product Manual... -
Page 77: Glossary
Banner AG4 Series Safety Laser Scanner 10. Glossary 10.1 List of Abbreviations European Conformity mark Danger Zone External Device Monitoring Final Switching Device International Electro technical Commission IP... Ingress Protection International Organization for Standardization Light Emitting Diode OSSD Output Signal Switching Device... - Page 78 Banner AG4 Series Safety Laser Scanner Separation (safety) distance - That distance, along the direction of approach, between the outermost position at which the appropriate test piece is just detected and the nearest dangerous machine part(s). Also called Separation Distance.
- Page 79 Banner AG4 Series Safety Laser Scanner Product Manual P/N 144924 05/2009...
- Page 80 Banner AG4 Series Safety Laser Scanner P/N 144924 05/2009 Product Manual...