Table of Contents
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INSTALLATION USE AND MAINTENANCE
INDICE
INTRODUCTION ..................................................................................................................... 2
OPERATION............................................................................................................................ 3
INSTALLATION ....................................................................................................................... 4
POSITION ..................................................................................................................................... 5
MASTER/SLAVE POSITIONING.................................................................................................. 6
SAFETY DISTANCE CALCULATION........................................................................................... 7
VERTICAL POSITION OF THE BARRIER ................................................................................... 8
HORIZONTAL POSITION OF THE BARRIER ............................................................................. 9
ELECTRICAL CONNECTIONS .................................................................................................. 10
EMITTER CONNECTIONS......................................................................................................... 11
RECEIVER CONNECTIONS ...................................................................................................... 11
WARNINGS REGARDING THE CONNECTION CABLES......................................................... 12
CONFIGURATION AND OPERATION MODES......................................................................... 18
K1/K2 EXTERNAL CONTACTORS CONNECTION................................................................... 19
MULTIPLE SYSTEMS ................................................................................................................ 19
USE OF DEFLECTION MIRRORS............................................................................................. 20
DISTANCE BETWEEN REFLECTING SURFACES .................................................................. 21
MECHANICAL ASSEMBLY AND OPTICAL ALIGNMENT......................................................... 22
OPERATION AND TECHNICAL DATA ................................................................................. 23
SIGNALS..................................................................................................................................... 23
TEST FUNCTION ....................................................................................................................... 25
OUTPUT STATUS ...................................................................................................................... 26
TECHNICAL SPECIFICATIONS................................................................................................. 27
DIMENSIONS ........................................................................................................................ 29
CHECKOUTS AND MAINTENANCE .................................................................................... 31
VERIFICATION OF BARRIER EFFICIENCY ............................................................................. 31
TROUBLESHOOTING ................................................................................................................ 32
SPARE PARTS...................................................................................................................... 35
GUARANTEE ........................................................................................................................ 36
8540571 - 28/04/2008 - Rev.6
PHOTOELECTRIC
SAFETY
BARRIER
VISION VX
1
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Summary of Contents for Reer VISION VX 152
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Page 1: Table Of Contents
PHOTOELECTRIC SAFETY BARRIER VISION VX INSTALLATION USE AND MAINTENANCE INDICE INTRODUCTION ........................2 OPERATION..........................3 INSTALLATION ........................4 POSITION ............................. 5 MASTER/SLAVE POSITIONING....................6 SAFETY DISTANCE CALCULATION................... 7 VERTICAL POSITION OF THE BARRIER ................... 8 HORIZONTAL POSITION OF THE BARRIER ................9 ELECTRICAL CONNECTIONS .................... -
Page 2: Introduction
This symbol stands by a very important warning concerning the safety of persons. Its non-observance can cause a very serious risk for the exposed personnel. INTRODUCTION The VISION VX photoelectric barrier is a multi-beam optoelectronic safety system. It belongs to the family of Type 2 electrosensitive devices for the protection of personnel exposed to risks arising from the use of hazardous machinery or plant, according to standards IEC 61496-1,2 and EN 61496-1. -
Page 3: Operation
OPERATION If the protected area is clear, the two outputs on the Receiver are active and enable the machine to which they are connected to operate normally. Each time that an object bigger than or equal in size to the resolution of the system intercepts the optical path of one or more beams, the Receiver deactivates the outputs. -
Page 4: Installation
INSTALLATION Before installing the VISION VX safety system, make sure that: The safety system is only used as a stopping device and not as a machine control device. The machine control can be actuated electrically. All dangerous machine movements can be interrupted immediately. In particular, the machine stopping times must be known and, if necessary, measured. -
Page 5: Position
The recommended Cf factors are shown in the table below: ENVIRONMENTAL CONDITION CORRECTION FACTOR Cf 0.25 Steam 0.50 Dust 0.50 Dense fumes 0.25 If the device is installed in places that are subject to sudden changes in temperature, the appropriate precautions must be taken in order to prevent the formation of condensation on the lenses, which could have an adverse effect on monitoring. -
Page 6: Master/Slave Positioning
MASTER/SLAVE POSITIONING In addition to the standard VISION models, VISION VX is available in the MASTER/SLAVE configuration. Such configuration is made of two pairs of light curtains, where the two emitters and the two receivers are respectively connected in series. The most common application is shown in Figure 3: the horizontal light curtain (A) has been installed to detect the presence of a person between the vertical light curtain (B) and the dangerous machine at system power-up or restart. -
Page 7: Safety Distance Calculation
SAFETY DISTANCE CALCULATION The barrier must be installed at a distance that is greater than or equal to the minimum safety distance S, so that a dangerous point can only be reached after all hazardous machine movements have stopped (Figure 5). According to European standard EN999, the minimum safety distance S must be calculated using the following formula: S = K (t... -
Page 8: Vertical Position Of The Barrier
VERTICAL POSITION OF THE BARRIER 20 mm resolution models. These models are suitable for the protection of fingers. 30 mm and 40 mm resolution models. point of safety barrier danger These models are suitable for the protection of hands. direction The minimum safety distance S is calculated according to the following formula: approach... -
Page 9: Horizontal Position Of The Barrier
point of Multibeam Models. danger These models are suitable for the protection of safety the entire body and must not be used to protect barrier arms or legs. The minimum safety distance S is calculated according to the following formula: direction S = 1600 (t ) + 850... -
Page 10: Electrical Connections
ELECTRICAL CONNECTIONS WARNINGS Before making the electrical connections, make sure that the supply voltage complies with that specified in the technical data sheet. Emitter and Receiver units must be supplied with 24Vdc±20% power. The external power supply must comply with the standard EN 60204-1. The electrical connections must be made according to the diagrams in this manual. -
Page 11: Emitter Connections
EMITTER CONNECTIONS EVERY MODEL - 5 poles M12 connector (POWER-SUPPLY). MASTER MODELS - 5 poles M12 Secondary connector. COLOR NAME TYPE DESCRIPTION FUNCTIONING Brown 24VDC +24 VDC power supply Blue 0VDC 0 VDC power supply INPUT Grey Ground connection White RANGE0* According the normative Barrier configuration... -
Page 12: Warnings Regarding The Connection Cables
MASTER MODELS - 5 poles M12 Secondary connector. COLOR NAME TYPE DESCRIPTION FUNCTIONING Brown 24VDC +24 VDC power supply Blue 0VDC 0 VDC power supply Grey Ground connection White SLAVE1 INPUT According the normative Slave OSSD outputs EN61131-2 readout Black SLAVE2 INPUT (PNP active high) - Page 13 Example of MASTER-SLAVE connection in MANUAL mode without external contactors K1-K2 Table 2 (Ref. Page 11) Figure 11 In order to assure a correct barrier operation, it is necessary connect the pins 2 and 4 of the Emitter according to table 2 (page 11) and to the "TEST FUNCTION"...
- Page 14 Example of MASTER-SLAVE connection in MANUAL mode with external contactors K1-K2 Table 2 (Ref. Page 11) Figure 12 In order to assure a correct barrier operation, it is necessary connect the pins 2 and 4 of the Emitter according to table 2 (page 11) and to the "TEST FUNCTION"...
- Page 15 Example of MASTER-SLAVE connection in AUTOMATIC mode without external contactors K1-K2 Table 2 (Ref. Page 11) Figure 13 In order to assure a correct barrier operation, it is necessary connect the pins 2 and 4 of the Emitter according to table 2 (page 11) and to the "TEST FUNCTION"...
- Page 16 Example of MASTER-SLAVE connection in AUTOMATIC mode with external contactors K1-K2 Table 2 (Ref. Page 11) Figure 14 In order to assure a correct barrier operation, it is necessary connect the pins 2 and 4 of the Emitter according to table 2 (page 11) and to the "TEST FUNCTION"...
- Page 17 Example of connection in MANUAL mode with external contactors K1-K2 Table 2 (Ref. Page 11) Figure 15 Example of connection in AUTOMATIC mode with external contactors K1-K2 Table 2 (Ref. Page 11) Figure 16 In order to assure a correct barrier operation, it is necessary connect the pins 2 and 4 of the Emitter according to table 2 (page 11) and to the "TEST FUNCTION"...
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Page 18: Configuration And Operation Modes
CONFIGURATION AND OPERATION MODES The VISION VX operation mode is selected realizing appropriate connections on the M12 8 poles of the Receiver (Table 6 and Table 7). AUTOMATIC MODE The VISION VX light curtain does not dispose of a start/restart interlock circuit in automatic mode. -
Page 19: K1/K2 External Contactors Connection
K1/K2 EXTERNAL CONTACTORS CONNECTION In every operating mode the K1/K2 external contactors feedback is activable. If you want to use this control feature, connect the pin 4 of 8 poles M12 connector with the power supply (+24VDC) through the series of N.C. contatcts (feedback) of external contactors. -
Page 20: Use Of Deflection Mirrors
USE OF DEFLECTION MIRRORS In order to protect or control areas that can be accessed from more than one side, in addition to the Emitter and Receiver, one or more deflection mirrors can be installed. These mirrors enable the optical beams generated by the Emitter to be deviated on one or more sides. -
Page 21: Distance Between Reflecting Surfaces
DISTANCE BETWEEN REFLECTING SURFACES The presence of reflecting surfaces in proximity of the photoelectric barrier may generate spurious reflections that prevent monitoring. With reference to Figure 19, object A is not detected because surface S reflects the beam and closes the optical path between the Emitter and Receiver. -
Page 22: Mechanical Assembly And Optical Alignment
MECHANICAL ASSEMBLY AND OPTICAL ALIGNMENT The Emitter and the Receiver must be assembled opposite each other (at a distance specified in the technical data sheet). Use the fastening brackets and inserts supplied with the system to place the Emitter and the Receiver so that these are aligned and parallel to each other and with the connectors facing the same way. -
Page 23: Operation And Technical Data
OPERATION AND TECHNICAL DATA SIGNALS The symbols showed on the 7 segments display and the leds of emitter and receiver units are visualized depending on the system operation phase. The tables below shows the different signals (ref. Figure 22). EMITTER RECEIVER Figure 22 EMITTER SIGNALS... - Page 24 RECEIVER SIGNALS VISION VX MASTER or VX (with additional functions) Normal operation (FIXED SYMBOLS) 7 SEGMENTS DISPLAY SYMBOL MEANING RED (2) GREEN (3) YELLOW (1) System power on. Initial TEST Light-on for 10sec: Manual with feedback disabled Light-on for 10sec: Manual with feedback enabled Light-on for 10sec: Automatic with feedback disabled...
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Page 25: Test Function
Configuration errors (BLINKING SYMBOLS) 7 SEGMENTS DISPLAY SYMBOL MEANING RED (2) GREEN (3) YELLOW (1) OSSD erroneously connectedt o 24VDC N.B.: For the meaning of the number that is displayed in case of a malfunction, please refer to the “TROUBLESHOOTING” paragraph in this manual. On the emitter of the Multibeam models, near each beam, is present a red led which permits an easy detection of the beam. -
Page 26: Output Status
OUTPUT STATUS The VISION features two static PNP outputs on the Receiver, the status of which depends on the condition of the protected area. The maximum load allowed is 500mA at 24VDC, which corresponds to a resistive load of 48Ω. Maxim load capacity corresponds to 2µF. The meaning of the status of outputs is defined in the table below. -
Page 27: Technical Specifications
TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS OF VISION BARRIERS VX Protected height 160 – 1810 Resolutions 20 – 30 – 40 – 50 – 90 0 ÷ 6 (low) Working range (selectable) 20, 30, 40, 50, 90mm and 1 ÷ 18 (high for models with integrated additional functions) Multibeam models 3 ÷... - Page 28 40 mm 1054 1204 1354 1504 1654 1804 Resolution Models Number of beams Response time (VX) Response time (VXM or VXS) Overall barrier ht. 1011 1161 1311 1461 1611 1761 1911 50 mm 1055 1205 1355 1505 1655 1805 Resolution Models Number of beams Response time (VX) Response time...
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Page 29: Dimensions
DIMENSIONS Figure 24 Emitter and Receiver Model 1050 1200 1350 1500 1650 1800 1001 1151 1301 1451 1601 1751 1901 1060 1210 1360 1510 1660 1810 (PROTECTED AREA) Mounting 2 LS Brackets with 2 mounting inserts 3 LS Brackets with 3 mounting inserts Model VX 2B VX 3B... - Page 30 Figure 26 LL and LH TYPE fastening brackets (optional) M8 Inserts Model SP100S SP300S SP400S SP600S SP700S SP900S 1060 SP1100S 1230 SP1200S 1400 SP1300S 1450 SP1500S 1600 SP1600S 1750 SP1800S 1900 Figure 27 Fastening brackets for deviation mirrors Figure 28 Deviation mirrors 8540571 - 28/04/2008 - Rev.6...
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Page 31: Checkouts And Maintenance
If the weak signal "d" letter appears on the Receiver display, check that: – the front surfaces are clean; – the Emitter and Receiver are aligned correctly. If the LED stays on, contact the REER service department. 8540571 - 28/04/2008 - Rev.6... -
Page 32: Troubleshooting
1 and 3 (OSSD) on the connector. If Overload of the OSSD necessary, adjust load reducing the static outputs current required to max 500 mA (2µF) • (SLAVE MODELS) Send the equipment for repair to the REER laboratories. 8540571 - 28/04/2008 - Rev.6... - Page 33 Carefully check the connection of terminals OSSD1 - OSSD2 1 and 3 (OSSD) on the connector. short-circuit • (SLAVE MODELS) Send the equipment for repair to the REER laboratories. (only for MASTER and STANDARD models) Carefully check the connection of terminals 1 Overload of the OSSD static and 3 (OSSD) on the connector.
- Page 34 In any case, when faced with a system stoppage, switch the system off and then on again, to exclude any occasional electromagnetic disturbances. Should the problem persist, contact REER’s service department. In case of continued malfunctioning: •...
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Page 35: Spare Parts
SPARE PARTS MODEL ARTICLE CODE AD SR1 AD SR1 Safety Relay 1330900 AD SR0 AD SR0 Safety Relay 1330902 AD SR0A AD SR0A Safety Relay 1330903 Straight 5-pin M12 female connector, 5 m cable 1330950 CD95 90° 5-pin M12 female connector, 5 m cable 1330951 CD15 Straight 5-pin M12 female connector, 15 m cable... -
Page 36: Guarantee
GUARANTEE All new VISION VX systems are guaranteed by REER for a period of 12 (twelve) months under normal working conditions, against defects due to faulty materials and workmanship. During the aforesaid period, REER promises to replace faulty parts free of charge. This guarantee covers both material and labour.
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