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Shadow 8 User Manual

1139300

Introduction

1-7

Transmitter LEDs pulse in succession from end to end of the head. Each phototransistor in
the receiver detects only the single pulse of light aligned with it and is only enabled at the
instant that the beam is anticipated. Shadow 8’s electronics must “see” the phototransistor
turn “on,” then “off” as the beam hits it and disappears. Each phototransistor must turn on,
then off in sequence, or Shadow 8 will send a stop command to the guarded machinery.
Between 7 and 9 consecutive beams on Main heads, depending on Shadow 8 model, and 2
consecutive beams on Extensions must be aligned and unobstructed at all times to allow
receiver(s) and transmitter(s) to synchronize their sequencing (see Shadow 8 LED Displays,
page 1-9 and Programmable Fixed Blanking, page 1-11).

Because the receiver only accepts infrared light pulses of a certain duration in proper
sequence, Shadow 8 does not respond to other light sources, continuous or pulsed. Neither
normal lighting near the curtain nor changes in area lighting nor even flashing strobe lights
affect Shadow 8 operation.

Shadow 8 Object Sensitivity

Shadow 8 light beams are on 0.79-in. (20-mm) centers, enabling the light curtain to detect any
object 1.18 in. (30 mm) in diameter or greater. An object smaller than 1.18 in. can pass
undetected through Shadow’s light field if it travels in a path directly between the light beams.
This measure of minimum detection diameter is called the light curtain’s “object sensitivity.”

Object sensitivity is used in calculating the “safety distance,” the distance from the hazardous
area of the press that the optic heads must be mounted to allow enough time for the light
curtain to react, and the press to stop, before the operator can penetrate the light curtain and
reach the hazard (see Calculating the Safety Distance, page 2-2).

Shadow 8 and Control Reliability

OBSERVE PROPER INSTALLATION PROCEDURES

• Install Shadow safety light curtains in compliance with applicable OSHA and ANSI safety

regulations (extracts are provided in Appendix D).

• Refer to the latest revision of all applicable documents.

• Ensure that your installation meets the control reliability requirements of the applicable

regulations.

• Ensure that both optional Shadow control box safety relays are used in any Shadow installation

and that they are connected directly to the press control’s stop circuit, to a PLC, or to another
type of machine control. Wiring is explained in Chapter 2.

• Read carefully and understand the installation instructions before attempting to install and wire

Shadows to any control.

• Ensure that installation is performed by qualified personnel.

Failure to comply with these instructions could result in death or serious injury.

WARNING

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Содержание Shadow 8

Страница 1: ...K March 2015 User User User Manual Manual Manual User Manual Tech Support Hotline 800 586 8324 8 5 EST www wintriss com Wintriss Controls Group LLC 100 Discovery Way Unit 110 Acton MA 01720 USA Phone 800 586 8324 Fax 978 263 2048 PRINTED IN USA ...

Страница 2: ...light curtain Ensure that supervisors die setters maintenance persons machine operators foremen or any others responsible for the proper operation of the machinery have read and understood all instructions for use of the Shadow light curtain Failure to comply with these instructions will result in death or serious injury MAKE SURE THAT MACHINERY IS CONFIGURED AND WORKING PROPERLY Ensure that the m...

Страница 3: ...e returning We ask that you either fax us a PO for that amount or enclose the PO with the returned item This will enable us to ship the item back to you as soon as the repair has been completed If the item cannot be repaired or there are additional charges you will be contacted for approval Please be sure to carefully pack all returned items and ship to our Acton MA location Expedited Repair Progr...

Страница 4: ...as 2 8 Increasing Safety Distance for Perimeter Guarding 2 10 Increasing Safety Distance To Compensate for Blanking Windows 2 10 Providing Pass through Protection within the Safety Distance 2 12 Height Considerations 2 14 Special Requirements for Presence Sensing Device Initiation PSDI for Machines Other Than Mechanical Power Presses 2 14 Designing and Installing Mounts for Optic Heads 2 15 Univer...

Страница 5: ...itch 4 2 48 Enabling Programmable Fixed Blanking Receiver Switch 5 2 48 Setting Scanning Range Receiver Switch 6 2 48 Enabling Machine Test Signal MTS Transmitter Switch 2 2 48 Connecting AC Wiring to Power Source 2 49 Aligning and Tightening Down Shadow 8 Heads 2 49 Diagnosing Problems Before Using Shadow 8 2 52 No Power to Unit 2 52 Interlock Alarm LED Is Illuminated 2 52 Machine Run Stop LED No...

Страница 6: ...and Blinks 4 6 Checking and Cleaning Lens Windows 4 7 Checking Alignment 4 7 Checking and Replacing the AC Power Fuse in Optional Shadow 8 Control Box 4 8 Checking and Replacing Control Relays in Optional Shadow 8 Control Box 4 9 Performing a Resistance Test 4 10 Replacing the Relay Board 4 11 Checking for and Correcting Cross Talk 4 11 Appendix A Wiring Shadow 8 Heads Directly to WPC A 1 Appendix...

Страница 7: ...ons Shown with Mounting Brackets for Heads 2 17 Figure 2 5 Light Curtain Mounting Bracket Types 2 18 Figure 2 6 Shadow 8 Optic Heads Mounting Dimensions 2 19 Figure 2 7 Shadow 8 Universal Mounting Brackets Dimensions and Rotation Top View 2 20 Figure 2 8 Shadow 8 Universal Mounting Brackets T Slot Configuration 2 20 Figure 2 9 Aligning Brackets Using Mounting Holes 2 21 Figure 2 10 Shadow 8 with M...

Страница 8: ... 4 Shadow 8 Mirror Dimensions see Figure 2 11 2 24 Table 2 5 Main Receiver Wiring Connections 2 34 Table 2 6 Main Transmitter Wiring Connections 2 34 Table 2 7 Operating Mode Settings Receiver Switch 1 2 46 Table 2 8 External Device Monitor EDM Settings Receiver Switch 2 2 47 Table 2 9 Scan Code Settings Receiver Switch 3 Transmitter Switch 1 2 47 Table 2 10 Floating Blanking Settings Receiver Swi...

Страница 9: ... Chapter 4 shows you how to troubleshoot Shadow 8 The chapter provides a table of actions you can take to respond to Shadow 8 fault codes and explains how to check light curtain alignment and check and replace safety relays Appendix A shows you how to wire Shadow 8 Main Receiver and Transmitter directly to a WPC 2000 or new style WPC 1000 clutch brake control Appendix B provides a Checkout Procedu...

Страница 10: ... which if not avoided will result in death or serious injury A WARNING symbol indicates a potentially hazardous situation which if not avoided could result in death or serious injury A CAUTION symbol indicates a potentially hazardous situation which if not avoided may result in property damage A NOTICE symbol indicates important information that you should remember including tips to aid you in per...

Страница 11: ... which shall within the applicable period after shipment be returned to Wintriss Controls freight prepaid and which are after examination disclosed to the satisfaction of Wintriss to be defective This warranty shall not apply to any equipment which has been subjected to improper installation misuse misapplication negligence accident or unauthorized modification The provisions of this warranty do n...

Страница 12: ...EVOLUTION POWER PRESSES DO NOT use Shadow safety light curtains on full revolution clutched machinery which cannot be stopped in mid stroke Use Shadow safety light curtains only on machinery that can be stopped at any point in the stroke or cycle Failure to comply with these instructions will result in death or serious injury OBSERVE SAFETY REGULATIONS AND STANDARDS WHEN INSTALLING EQUIPMENT Insta...

Страница 13: ...safety Critical components must be duplicated and continually cross checked during operation to guarantee that a single component failure can never create an unsafe condition Self checking circuitry must be capable of detecting the presence of any faults and of signalling the press to stop Shadow 8 Components Shadow 8 optic heads see Figure 1 1 page 1 3 are constructed of rugged heavy gauge extrud...

Страница 14: ...ies connectors for interconnect cable or pigtail connections from other receivers transmitters Universal mounting brackets 7 pigtails with connectors screw onto cables from press control or optional remote control box Individual Beam Indicator IBI LEDs Protective end caps screw into connectors Color coded red for receiver black for transmitter ON 1 6 5 4 3 2 ON 1 6 5 4 3 2 Receiver switches behind...

Страница 15: ...t cable Transmitter cable Receiver cable 7 pigtail P R O G RUN S T A R T OSSD 1 OSSD 2 POWER STROKESELECT O F F INCH SINGL E C O N T MODESELECT 1 H A N D 2 HAND F O O T MICRO INCH O F F O N BRAKEWARNING INTERRUPTEDSTROKE TOPSTOPANGLE AUTOCARRYUP STOPTIMELIMIT MICRO INCH STOPPINGTIME STOPPINGANGLE 90 STOPTEST COUNTER COUNTERPRESET ANGLE SPM camonangle camoffangle WPC 2000 Honeywell Wintriss Clutch ...

Страница 16: ...ed Blanking Window page 3 4 for details In addition the clasp which secures the door of the control can be padlocked to prevent unauthorized personnel from gaining entry A screw down latch for securing the door is also provided Cables for connecting the control to the Main Receiver and Transmitter are available with the light curtain They are sized in various lengths and fitted with a keyed thread...

Страница 17: ...ver a light pulse strikes them An invisible light barrier is formed by these infrared light beams passing between the transmitter and receiver If one of the phototransistors in the receiver does not receive its designated light pulse as when the operator s hand or another obstruction penetrates the light field Shadow 8 sends a stop command to the press UNPROTECTED EQUIPMENT MAY CONTINUE TO OPERATE...

Страница 18: ...n object smaller than 1 18 in can pass undetected through Shadow s light field if it travels in a path directly between the light beams This measure of minimum detection diameter is called the light curtain s object sensitivity Object sensitivity is used in calculating the safety distance the distance from the hazardous area of the press that the optic heads must be mounted to allow enough time fo...

Страница 19: ...relays which results in opening the contacts and breaking the stop circuit of the press The new WPC clutch brake control also has two captive contact N O safety relays When an obstruction enters the sensing field while the machine is energized WPC instantly de energizes its relays stopping the press Shadow 8 s response time from loss of light to relay contacts open or de energized is 23 to 59 mill...

Страница 20: ...Fixed Blanking page 1 11 and Floating Blanking page 1 11 Fixed blanking is enabled by default The red Individual Beam Indicator LED next to each phototransistor on the receiver becomes lit whenever the light pulse from the corresponding beam on the transmitter is not detected These LEDs indicate either a penetration of the light curtain or receiver transmitter misalignment When the required number...

Страница 21: ...key switch see Figure 1 3 page 1 5 to the START position Alarm The Machine Run Stop LED is illuminated red the yellow Interlock Alarm LED is flashing and the two safety relays are open The Alarm state can only be cleared by fixing the problem that caused the alarm recycling power to Shadow 8 or turning the Program Run Start key switch to the START position and waiting for the system to run a self ...

Страница 22: ...lanking windows can be programmed for a standalone pair of light curtains or for up to four pairs of optic heads as long as the consecutive number of clear beams rule is satisfied A detailed discussion of fixed blanking and instructions for programming a fixed blanking window are provided starting on page 3 4 If the obstruction being blanked is not large enough to extend all the way from transmitt...

Страница 23: ...ge 1 3 Mounting brackets which can be rotated 8 are used to properly align the Shadow 8 heads during installation An additional bracket can positioned at the light curtain s midpoint with a T slot mount to improve stability and two brackets with T slot mounts can be used instead of end brackets where mounting space is restricted See Universal Mounting Brackets page 2 15 Shadow 8 options that you c...

Страница 24: ...ons 32 mS for up to 85 in 2160 mm combined length with extensions 41 mS for up to 128 in 3240 mm combined length with extensions 50 mS for up to 171 in 4340 mm combined length with extensions 59 mS for up to 202 in 5120 mm combined length with extensions If light curtains are wired to optional Shadow 8 control add 10 mS to response time for N O safety relay outputs 20 mS for N C output Size Optic ...

Страница 25: ...velength Optics Angle of Divergence and Acceptance 2 5 Outputs Heads Safety Auxiliary Non safety Optional Control Box Safety Auxiliary Non safety 2 Solid State PNP each sourcing 625 mA 24 Vdc short circuit protected 1 Solid State PNP Follow mode only sourcing 100 mA 24 Vdc 2 cross checked captive contact stop relays one N O the other N O or N C rated for 6 A 250 Vac or 6 A 30 Vdc 2 auxiliary outpu...

Страница 26: ... and test procedures after any maintenance is done on the Shadow safety light curtain Ensure that supervisors die setters maintenance persons machine operators foremen or any other individuals responsible for the proper operation of the machinery have read and understood all instructions in this manual pertaining to the use of Shadow 8 safety light curtains Failure to comply with these instruction...

Страница 27: ...ust be followed exactly for proper installation of Shadow 8 OBSERVE THE CORRECT SAFETY DISTANCE Calculate the safety distance carefully following the instructions below and mount your light curtain heads at least the calculated distance from the hazardous area Mount your light curtain heads at least 7 5 in 191 mm from the hazardous area regardless of the calculated safety distance Failure to compl...

Страница 28: ...or N C relay connections Up to 42 in 23 mS response time Up to 85 in 32 mS response time Up to 128 in 41 mS response time Up to 171 in 50 mS response time Up to 202 in 59 mS response time Safety depends on your installing your light curtain at the correct safety distance from the hazardous area Failure to comply with these instructions will result in death or serious injury USE BRAKE MONITOR TO CH...

Страница 29: ...nd B11 19 2003 see Appendix D OSHA and ANSI formulas are explained below If you need additional assistance in calculating the safety distance call Wintriss Tech Support OSHA Safety Distance Formula OBSERVE THE CORRECT SAFETY DISTANCE Calculate the safety distance carefully following the instructions below and mount your light curtain heads at least the calculated distance from the hazardous area M...

Страница 30: ...nded for presses with brakes that are new or in good condition A 10 percent factor is recommended for presses with older brakes Since the stopping time for older brakes is longer due to wear less time needs to be added An example of calculating the safety distance using the OSHA formula The OSHA formula for calculating the safety distance is Ds 63 x Ts We will use a stop time of 0 190 seconds for ...

Страница 31: ...ds at least the calculated distance from the hazardous area Mount your light curtain heads at least 7 5 in 191 mm from the hazardous area regardless of the calculated safety distance Be sure your value for Ts includes the response times of all devices that react to stop the press If your measurement of stop time does not include response time of the press control light curtain and any other device...

Страница 32: ... the brake See instructions for your brake monitor to determine the proper brake monitor setting Generally the setting is 120 of the measured stopping time Tc Ts when your brakes are new It is 110 of the stopping time Ts Tc for older brakes The depth penetration factor Dpf equals 3 07 in 78 0 mm This is a measure of how far an object like an operator s hand can move through the light curtain befor...

Страница 33: ...las one for systems with a minimum object resolution of 40 mm or less the other for systems with a minimum object resolution of greater than 40 mm Formulas are based on standard EN999 Formula for Systems with Object Resolution of 40 mm or Less When the minimum object resolution of the light curtain is 40 mm or less use the following formula to calculate the safety distance S K x T C where S the mi...

Страница 34: ...alculate the safety distance S K x T C where S the minimum distance in millimeters from the pinch point to the sensing point line plane or field K 1600 mm s T the overall system stopping performance in seconds T t1 t2 t1 response time of the safety light curtain in seconds t2 maximum stopping time of the machine in seconds C 850 mm In other words S 1600 mm s x T 850 mm Factors Affecting the Safety...

Страница 35: ...window has a positional tolerance of 1 beam allowing a 1 beam window for example to expand to 2 beams or contract to no beams without causing a Curtains Obstructed operating state As a result when determining the safety distance for a fixed blanking window you must include an additional beam in your calculations Each beam you program as a fixed blanking window creates an additional 1 58 in 40 mm g...

Страница 36: ...18 in or 30 mm to get an adjusted object sensitivity of 1 97 in 50 mm This yields a Dpf of 5 76 in 146 3 mm or a 2 69 in 68 3 mm safety distance increase for the one beam floating blanking window Since Shadow 8 s floating blanking window may be used in any segment in a multi segment installation see Setting a Floating Blanking Window page 3 7 the safety distance for every segment must be increased...

Страница 37: ... a 9 4 in extension light curtain located in the center of a 12 in safety distance at waist height should be adequate With Shadow 8 two sets of optic heads can be wired to the same WPC press control or optional Shadow 8 control box making this configuration easily implemented All areas between the light curtains and pinch point that are not guarded by Shadow 8 must be protected by supplemental gua...

Страница 38: ... Installation and Checkout 2 13 Figure 2 3 Supplemental Guarding Supplemental Guarding Supplementa Guarding Hazard Zone Ds LIGHT CURTAIN Mechanical Barrier Supplemental Guarding Example Supplemental Guarding Supplemental Guarding ...

Страница 39: ... light curtain features such as extensions to guard additional sides of a machine mirrors programmable fixed blanking and floating blanking Contact Wintriss Tech Support for further information Good sources of reference for PSDI include ANSI RIA 15 06 1999 and ANSI B11 2 1995 R2000 AVOID IMPROPER INSTALLATION Ensure that the light curtain is installed so it is impossible for anyone to reach over u...

Страница 40: ...ity Wintriss recommends using this extra bracket on Shadow 8 heads 47 4 in and longer For applications where space restrictions prevent installation of end mounted brackets two brackets with T slot mounting hardware can be ordered as an alternative You can mount Shadow 8 universal brackets parallel or perpendicular to the light beam Perpendicular mounting is typical on gap frame presses Mounting L...

Страница 41: ...ed for multi sided guarding When Shadow 8 mirrors or Extensions are not used in conjunction with the Main light curtains however other guarding means such as mechanical side guards must be substituted for them in accordance with OSHA ANSI guidelines Designing and Installing Mounting Brackets and Floor Stands Shadow 8 light curtains can be mounted on floor stands or to brackets on your machinery us...

Страница 42: ... On gap frame presses do not attach the top Shadow 8 bracket to the press frame and the bottom bracket to the bolster The upper portion of the press will deflect pull away from the bolster during the work portion of the stroke Figure 2 4 Shadow 8 Stand Dimensions Shown with Mounting Brackets for Heads Table 2 1 Shadow 8 Stand Height and Weight Height in Ft M A in Figure 2 4 Weight in Lbs Kg 4 1 2 ...

Страница 43: ...press if the location meets all mounting requirements including safety distance When mounting brackets on the bolster of the press choose your location carefully Make sure the brackets do not prevent dies from being removed from the press See Figure 2 6 and Table 2 2 page 2 19 and Figure 2 7 page 2 20 for layout and hole dimensions of the Shadow 8 heads and universal mounting brackets Figure 2 5 L...

Страница 44: ...7 5 443 9 21 3 541 2 20 6 522 6 22 8 579 9 22 1 561 4 23 6 600 23 8 604 1 27 6 701 4 26 9 682 8 29 1 740 1 28 4 721 6 29 9 760 30 0 763 0 33 9 860 3 33 1 841 7 35 4 898 0 34 7 880 5 36 2 920 36 3 922 5 40 2 1019 8 39 5 1001 2 41 7 1058 5 41 0 1040 0 47 2 1200 47 4 1203 8 51 2 1301 1 50 5 1282 5 52 8 1339 8 52 0 1321 3 59 8 1520 59 9 1521 5 63 7 1618 8 63 0 1600 2 65 3 1657 5 64 5 1639 0 Dimensions...

Страница 45: ... 8 Universal Mounting Brackets Dimensions and Rotation Top View Figure 2 8 Shadow 8 Universal Mounting Brackets T Slot Configuration 1 92 48 8 2 08 52 8 2 23 56 6 2 38 60 5 2 33 59 1 Dimensions inches mm 16 16 Back view Side view Universal bracket mounted in T slot configuration ...

Страница 46: ... as both transmitter and receiver are oriented in the same direction Shadow 8 heads can be mounted at any angle as long as they are in the same plane Vertical mounting is easiest however When mounting your brackets you can draw a leveling line using the center of the bracket holes as the end points see Figure 2 9 When you mount the Shadow 8 flanges onto the bracket holes the Shadow 8 light curtain...

Страница 47: ...n tolerance or scanning distance A typical setup of Shadow 8 heads and mirrors in a three sided guarding application is shown in Figure 2 10 page 2 23 The Shadow 8 heads are aimed at the mirrors and the light beam from the transmitter is reflected by way of the mirrors to the receiver Table 2 3 OSHA Table 0 10 Distance of Opening from Pinch Point In Maximum Dimension of Opening In 1 2 to 1 1 2 1 4...

Страница 48: ...ow 8 heads must be aligned with mirrors so that each phototransistor in the receiver can detect the light beam reflected by the mirror s from the transmitter Choose mirrors of the correct height for the model heads you are using See Aligning and Tightening Down Shadow 8 Heads page 2 49 for instructions on aligning transmitter and receiver Dimensions of Wintriss mirrors are shown in Figure 2 11 and...

Страница 49: ...mm B in mm 12 8 in 320 mm 13 5 343 15 18 386 17 5 in 440 mm 19 5 495 21 18 538 23 8 in 600 mm 25 5 648 27 18 690 30 0 in 760 mm 31 5 800 33 18 843 36 3 in 920 mm 37 5 953 39 18 995 47 4 in 1200 mm 49 5 1257 51 18 1300 59 9 in 1520 mm 61 5 1562 63 18 1605 2 05 52 0 270 7 8 places 1 25 32 0 94 24 Clamp assemblies included 0 50 13 1 34 34 Dimensions inches mm A B 5 72 145 4 0 102 ...

Страница 50: ...terruption is clearly detected The reflective object is outside of the beam angle In Figure 2 13 below the interruption is not detected because of the reflection The reflective object is inside the beam angle In Figure 2 14 next page the interruption is not detected because of the reflection Reflective surface interference may also appear above and below the sensing field Figure 2 12 Correct Mount...

Страница 51: ...Minimum Distance Worst Case Alignment Example Figure 2 16 Minimum Distance from a Reflective Surface as a Function of Range Reflective Surface Perimter of danger area Reflection Interruption a Sensing Field Transmitter Receiver Transmitter Receiver Beam Angle a d Reflective Surface Operating Range R a a Perimeter of danger area 0 100 300 500 700 900 2m 4m 6m 8m 10m 12m 14m 16m Minimum distance Ran...

Страница 52: ...ss talk may also occur when guarded machines are close together the light from the transmitter on one press being detected by the receiver on the other press There are several ways to prevent cross talk Insert a barrier of some type such as a blind between the two sets of Shadow 8 heads Make sure that the barrier runs all the way from the transmitter to the receiver Reverse the position of the tra...

Страница 53: ... Figure 2 18 and to Figure 2 6 page 2 19 1 Locate four mounting holes for each head on either your brackets or on a solid surface see Designing and Installing Mounts for Optic Heads page 2 15 Shock mount studs come in two sizes 10 32 for 9 4 in through 36 2 in heads 1 4 20 for 47 2 in and 59 8 in heads For installation onto a solid surface use a No 21 drill and a 10 32 tap or a No 7 drill and a 1 ...

Страница 54: ...fering with the operation of the light curtains The control must never be installed inside the protected area in perimeter guarding applications The enclosure can be mounted to the press on a free standing pedestal on a pendant or at the entrance of a location used for area guarding Once you have selected a mounting location drill eight holes for mounting and tap if necessary Shock mount studs are...

Страница 55: ...ut Figure 2 19 Shadow 8 Control Box Mounting Dimensions P R O G RUN S T A R T OSSD 1 OSSD 2 POWER O F F PROG O N 0 30 7 6 8 places Dimensions inches mm 10 80 274 3 10 10 256 5 9 60 243 8 7 43 188 6 6 55 166 4 4 00 101 6 2 05 52 1 3 89 98 7 3 24 82 2 2 76 70 1 ...

Страница 56: ...y stop circuitry of the press Ensure that any stop initiated by the light curtain is an immediate stop one that occurs immediately after the stop signal is sent to the machinery If the light curtain is wired by mistake to the top stop circuitry the press continues its stroke until it reaches the top of the stroke even after an intrusion or obstruction is detected Failure to comply with these instr...

Страница 57: ...Stop relay output connections Auxiliary relay output 1 connections Relay board Receiver connections Transmitter connections C2 C1 RV1 TB2 J1 TB1 TB4 PS1 O S S D L LINE N NEUT K1 K2 24 VDC OSSD 2 MTS CTL RET Fuse 0 VDC OSSD 1 AUX 1 EDM START SW2 AUX PNP NPN SW3 F3SJ NO YES SW1 EDM INT EXT 1 10 9 2 N O 1 N O 2 N C K3 K4 F1 COM TB20 24 VDC 0 VDC EDM START 0 VDC 24 VDC CTL 1 CTL 2 CTL RET MTS J4 R1 R2...

Страница 58: ... cable so they are out of the way 7 Remove the first 4 1 2 in of black PVC insulation from the conductors using an Exacto knife First make a shallow incision around the circumference of the cable then bend the insulation back and forth at the incision point and pull the 4 1 2 in length of insulation free 8 Slide the gland nut cap and threaded coupling down the cable i e toward the control until th...

Страница 59: ...to terminal block TB20 on the Shadow 8 Main board as shown in Table 2 6 and Figure 1 at the end of the manual Terminate green wire to ground stud inside enclosure near cable entry point Table 2 5 Main Receiver Wiring Connections Wire Color Signal Label TB2 Brown 24 Vdc Blue 0 Vdc Black OSSD 1 White OSSD 2 Pink Aux 1 Red EDM Yellow Start Green Ground stud To connect a wire find the correct terminal...

Страница 60: ... them from oil and other contaminants When the distance between connectors on the Extension units and on the heads to which they are being attached is less than 7 in you can use the 7 in pigtails on the Extension heads to connect the two pairs of light curtains For distances greater than 7 in interconnect cables of various lengths see Table 1 1 can be attached to the pigtails to complete the conne...

Страница 61: ...your Shadow 8 is operating in Start Restart Interlock mode turn the Program Run Start key switch to START to reset the unit Connecting Extension Heads Using Interconnect Cables To connect a pair of Extension heads to the Main heads or to another pair of Extensions when the distance between the two receivers and the two transmitters is greater than 7 in do the following 1 With power to the press tu...

Страница 62: ...ng the wiring connections for AC power to a convenient point so that you can tie them to the appropriate connector No 16 wire is recommended for these circuits use No 14 if local codes require it Perform the following steps to connect AC wiring to the Shadow 8 control 1 Open the door of the control and locate terminal block TB1 on the Shadow 8 Main board in the lower left corner of the enclosure s...

Страница 63: ...ontrol box s IP65 rating you must use conduit of the same rating and make proper connections to the control 4 Remove the knockout s you plan to use for your AC wiring and stop circuits Left and center knockouts are combo units 0 875 in 22 2 mm ID 1 13 in 28 7 mm OD right knockout is 0 875 in 22 2 mm diameter You remove the inner disk in the combo knockouts from inside the control box the outer dia...

Страница 64: ...tains only on machinery that can be stopped at any point in the stroke or cycle Failure to comply with these instructions will result in death or serious injury PREVENT PRESS FROM BEING ABLE TO MOVE AFTER INTRUSION Ensure that Shadow 8 is wired to the emergency stop circuitry of the press Ensure that any stop initiated by the light curtain is an immediate stop one that occurs immediately after the...

Страница 65: ...a single Normally Open N O emergency stop circuit connect the Shadow 8 safety relays in series with the machine s emergency stop circuit Perform the following steps 1 Locate terminal block TB4 on the Shadow 8 Main board see Figure 2 20 page 2 32 2 Connect pins 1 and 4 on TB4 in series with the stop circuits on the press and place a jumper between pins 2 and 3 as shown in Figure 2 23 page 2 41 and ...

Страница 66: ...l relays set SW1 EDM to INT see figure 2 at the back of the manual If the optional control is wired to external relays set SW1 EDM to EXT see figures 3 and 4 at the back of the manual If the optional control is wired to a Wintriss Clutch Brake Control see Wiring Shadow 8 Optional Control to a Wintriss Clutch Brake Control page 2 43 set SW1 EDM to INT see figures 5 through 9 at the back of the manu...

Страница 67: ...able Logic Controller PLC or other type of microprocessor based control two or more independent logic systems should be used to control the press s stop circuit Wintriss does not provide specific step by step instructions for connecting Shadow 8s to PLCs This is because of the variety of PLCs and the various programming techniques used Only general guidelines are supplied in this section Refer to ...

Страница 68: ...to the PLC properly the PLC will not be able to read the input signals correctly when a component in the PLC fails Even though Shadow 8 signals a stop the PLC will not stop the press If the control is connected to a PLC instead of directly to the machinery then the PLC must be able to transfer Shadow 8 s control reliability capability to the press stop circuit If this capability is overridden or i...

Страница 69: ...2 AUX on the Main board must be set to the PNP position Auxiliary Output 1 turns on when the safety outputs are on Follow Mode If you want to use the second auxiliary output wire a jumper between the Aux 1 terminal on TB2 on the Shadow 8 Main board and the Aux 2 terminal on TB20 then connect Auxiliary Output 2 wiring to TB6 making connections to terminals 1 and 2 for N O output or to terminals 2 a...

Страница 70: ...T DURING MACHINE OPERATION Make sure that option switch access doors on both Main Receiver and Transmitter are screwed shut during operation of the guarded machine Failure to secure access doors during machine operation can result in oil penetration of the optic heads and will void the light curtain warranty Failure to comply with these instructions may result in property damage USE SCREWDRIVER OF...

Страница 71: ...ng Operating Mode Receiver Switch 1 Shadow 8 can be set to operate in either Automatic Start Default or Start Restart Interlock operating mode see Setting Operating Mode page 3 3 Table 2 7 shows operating mode option switch settings Figure 2 24 Shadow 8 Option Switches Located in Main Receiver and Transmitter Table 2 7 Operating Mode Settings Receiver Switch 1 Option Receiver SWA Switch 1 Receiver...

Страница 72: ...4 at the back of the manual If the optional control is wired to a Wintriss Clutch Brake Control set SW1 EDM to INT see figures 5 through 9 at the back of the manual Setting Scan Codes Receiver Switch 3 Transmitter Switch 1 Scan codes are used to minimize cross talk between two pairs of light curtains installed near one another To prevent interference between the two sets of heads one pair is set t...

Страница 73: ...option which is the default setting is 65 ft 20 m minimum The short range option is 26 ft 8 m minimum Selecting the short range setting can help to prevent cross talk when there are many light curtains operating in a small space Table 2 12 shows the selector switch settings for scanning range Only switch SWB 6 needs to be set switch SWA 6 is not used Enabling Machine Test Signal MTS Transmitter Sw...

Страница 74: ...the Shadow 8 safety relays to open and stay open and your press to be emergency stopped Individual Beam Indicator LEDs IBIs on the misaligned segment illuminate when heads are out of alignment and the Machine Run Stop LED on the Main Receiver is illuminated red IBI misalignment displays occur in two stages The first stage in which alternate IBIs along the length of the misaligned head are illumina...

Страница 75: ...ceiver Properly Aligned Table 2 13 Consecutive Beam Alignment Requirement Main Heads Shadow 8 Model Required No of Consecutive Beams Aligned 12 8 in 320 mm 7 17 5 in 440 mm 7 23 8 in 600 mm 7 30 0 in 760 mm 8 36 3 in 920 mm 8 47 4 in 1200 mm 8 59 9 in 1520 mm 9 Extension Heads All models 2 If PT is funnel shaped light path Shadow is in alignment even if optic heads are not perfectly aligned Funnel...

Страница 76: ...up pull down on it vertically to see how tight alignment tolerances need to be Watch the LED indicators to determine when the light curtains are aligned Machine Run Stop LED is green and when they are not Machine Run Stop LED is red and Individual Beam Indicator LEDs are lit 6 When you have finished experimenting with alignment tolerances position the heads so they are once more aligned 7 Check th...

Страница 77: ...ain board see Figure 2 20 page 2 32 and replace if necessary Also check that power connections have been made correctly see Connecting AC Wiring to the Optional Control page 2 37 Interlock Alarm LED Is Illuminated When the yellow Interlock Alarm LED is lit you must turn the Program Run Start key switch to START to reset the control to return Shadow 8 to a Curtains Unobstructed state If you have tr...

Страница 78: ...ow 8 heads should be mounted When you adjust your brackets so they are in the same horizontal and vertical plane the Shadow 8 transmitter and receiver should align If the Machine Run Stop LED is not illuminated green after adjusting the mounting brackets your Shadow 8s probably have an internal problem Call Wintriss Tech Support for assistance Machine Run Stop LED Is Green But Machine Won t Start ...

Страница 79: ...or Transmitter segment has shorted the 24 volt power internally To determine the source of the problem turn off power and unplug the Main Transmitter then turn the power back on If the Power LED still dims and blinks a Receiver segment is defective If the Power LED behaves normally a Transmitter is at fault If the problem is in a Receiver and there are no Extensions the Main Receiver is defective ...

Страница 80: ... as gates fencing or other approved methods Verify that all additional guarding devices are installed and operating properly MAKE SURE TO PERFORM SAFETY SYSTEM TESTS Perform the checkout and test procedures when you have completed installation of your light curtain and before operating the equipment it is connected to Operate your machinery only after your safety system meets all the requirements ...

Страница 81: ...o test the Shadow 8 system use the Wintriss supplied test object diameter 1 18 in or 30 mm or other opaque cylindrical object of the correct diameter You should also test Shadow 8 alignment using the shank of a 1 8 in 3 2 mm screwdriver If one beam floating blanking is enabled use an opaque test bar of 2 05 in 52 mm 1 Disable the guarded machine Apply power to the Shadow 8 system 2 Visually inspec...

Страница 82: ...proceeding to step 6 6 Interrupt the Shadow 8 sensing field with the 1 18 in 30 mm test object using the pattern described in step 5 Verify that the Machine Run Stop LED is illuminated red while the test object is anywhere in the sensing field In addition at least one Individual Beam Indicator LED must be lit while the test object is anywhere in the sensing field If Shadow 8 is in Start Restart In...

Страница 83: ...d machine stop systems are working properly in accordance with the machine manufacturer s requirements If the machine does not stop fast enough adjust the braking system or increase the distance from the sensing field to the point of hazard 10 If the safety devices or the machine fails any of these tests do not run the machine Immediately lock out the machine to prevent its use and notify the supe...

Страница 84: ...r your safety system meets all the requirements of the checkout and test procedures Perform the test procedure whenever repair maintenance or modification is performed on your light curtain or the machinery it is connected to Failure to comply with these instructions will result in death or serious injury ADDITION REMOVAL OF EXTENSION HEADS REQUIRES SAFETY DISTANCE ADJUSTMENT Re calculate the ligh...

Страница 85: ...operating state LEDs flash continuously release the Program Run Start key switch The 100 fault code is cleared and the remaining light curtain segments will operate properly 5 Recalculate the safety distance and reposition the light curtains accordingly 6 Perform checkout and test procedures as instructed starting on page 2 55 DO NOT LEAVE ANY SIDE OF MACHINE UNPROTECTED If you remove a pair of ex...

Страница 86: ...hadow 8 has experienced an internal fault optic heads are misaligned or the control has not been re started after an Interlock or Alarm state Both safety relays are open or de energized The state of the Interlock Alarm LED see next item indicates the cause of the red Machine Run Stop LED Interlock Alarm Yellow LED Light curtains are obstructed LED lit continuously or Shadow 8 has experienced an in...

Страница 87: ... illuminated green the two safety relays are on and the auxiliary output is in a state consistent with its configuration The protected machine is allowed to operate Turning the Program Run Start key switch to START has no effect Machine Stop The Machine Run Stop LED is illuminated red the two safety relays are off and the auxiliary output is in a state consistent with its configuration The protect...

Страница 88: ... the sensing field or a programmable fixed blanking pattern is satisfied the system enters the Interlock state To switch to Curtains Unobstructed the operator must turn the Program Run Start key switch to the START position with the sensing field unobstructed or a programmable fixed blanking pattern satisfied When an object is detected entering the sensing field in the Curtains Unobstructed state ...

Страница 89: ...n 68 3 mm for a one beam floating window see Increasing Safety Distance To Compensate for Blanking Windows page 2 10 When more than one beam is programmed as a fixed blanking window and the blanked area is not completely obstructed the depth penetration factor is at least 36 in 0 91 m You do not have to change the safety distance if the blanked area is entirely blocked by a fixture from the transm...

Страница 90: ... a light curtain system consists of as many as four pairs of heads additional fixed blanking windows can be programmed as long as 7 to 9 consecutive beams on Main heads and 2 consecutive beams on Extension heads remain unobstructed This requirement is the same as the consecutive beam rule that obtains for head alignment see page 2 49 When the rule is not satisfied the Machine Run Stop LED flashes ...

Страница 91: ... fixed blanking is enabled the amber Blanking Active LED on the Main Receiver becomes illuminated A fixed blanking window is programmed using the Program Off On and Program Run Start key switches on the optional Shadow 8 control or WPC front panel To program a fixed blanking window do the following 1 With Shadow 8 in the Curtains Unobstructed state i e Machine Run Stop LED indicator is illuminated...

Страница 92: ...efined by the illuminated Individual Beam Indicator LEDs If Shadow 8 is in Start Restart Interlock mode you must reset the system after replacing the object by turning the Program Run Start key switch to START OBSERVE CORRECT SAFETY DISTANCE WHEN USING FLOATING WINDOW Ensure that the correct safety distance exists between the light curtain and the hazardous area See Calculating the Safety Distance...

Страница 93: ...emergency stop of the guarded machine A one channel floating window automatically alters the object sensitivity from 1 18 in 30 mm to 2 05 in 52 mm If you plan to use this feature even occasionally the safety distance at which light curtains are mounted must be increased see page 2 10 When you are using more than one pair of light curtains you must increase the safety distance for every segment in...

Страница 94: ... OSHA and ANSI safety distance formulas Add 5 38 in 136 6 mm to the calculated safety distance for a one beam fixed blanking window add 2 69 in 68 3 mm for a one beam floating window see Increasing Safety Distance To Compensate for Blanking Windows page 2 10 When more than one beam is programmed as a fixed blanking window and the blanked area is not completely obstructed the depth penetration fact...

Страница 95: ...1139300 Shadow 8 User Manual 3 10 Operation ...

Страница 96: ...ected in order to return Shadow 8 to a Curtains Unobstructed state These codes are displayed on the IBIs whenever the Machine Run Stop LED indicator is illuminated red and the yellow Interlock Alarm LED indicator is flashing Codes are two digits except for the 100 and 101 codes see Table 4 1 page 4 2 Two digit codes are represented by two strings of consecutively illuminated flashing IBIs separate...

Страница 97: ...t Code System Status Corrective Action Option Switch Receiver Faults 21 Incorrect Operating Mode switch setting Check setting of option switch 1 on Main Receiver see page 2 46 22 Option switch settings changed during operation Turn Program Run Start key switch to START or cycle power 23 Option switch settings do not match Check to see that option switch positions 1 through 5 on Main Receiver are s...

Страница 98: ... EDM fault Possible incorrectly wired EDM circuit Check and correct wiring if necessary See page 2 41 41 EDM circuit did not open before transition to Machine Run state Check and correct EDM wiring 42 EDM circuit did not open after transition to Machine Run state Check and correct EDM wiring 43 EDM circuit was in wrong state during power up Check and correct EDM wiring 44 EDM fault at power up Che...

Страница 99: ...ceiver as segment 1 93 Segment 4 type does not match segment 1 type Confirm that segment 4 is the same type transmitter or receiver as segment 1 95 Error in flex segment during operation Check connections Contact Wintriss Tech Support 96 Error in segment 2 during operation Check connections to segment 2 Replace segment 2 with known good segment Contact Wintriss Tech Support 97 Error in segment 3 d...

Страница 100: ...e lens window on both receiver and transmitter referring to the instructions on page 4 7 If after cleaning the lens windows the Machine Run Stop LED is still not illuminated green the next step is to bring the optic heads to within 12 in of each other Do not position the heads closer than 12 in Unbolt either the receiver or transmitter take the unbolted unit off its mounting and hold it directly i...

Страница 101: ...op LED flashes red and the Blanking Active LED flashes amber at the same time the number of beams you are attempting to program in a fixed blanking window is preventing the required number of consecutive beams from remaining unobstructed see Table 3 1 page 3 6 Turn the Program Run Start key to START to clear the error then re program the fixed blanking window reducing the number of blanked beams S...

Страница 102: ...rgent or glass cleaner Make sure you avoid excessive rubbing Checking Alignment Shadow 8 can go out of alignment if the universal mounting brackets have been bent if a unit has been struck by another piece of equipment e g die cart forklift etc or if mounting bolts have loosened allowing the units to move slightly You may have an alignment problem if the Machine Run Stop LED indicator is lit red w...

Страница 103: ... check the AC power fuse F1 on the optional Shadow 8 control Main board see Figure 2 20 page 2 32 F1 is a time lag fuse rated at 1 25 A 250 Vac 1 Turn off power to Shadow 8 2 Open the door of the control by turning the locking clasp 3 Locate fuse F1 on the Main board to the left of the AC power connections 4 Remove the fuse and test with an ohmmeter Put the ohmmeter leads on each side of the fuse ...

Страница 104: ...dow 8 control Main board see Figure 2 20 page 2 32 before placing the safety product back into operation after the occurrence of a failed relay If a relay fuses DO NOT reset Shadow 8 to restart the machine Remove Shadow 8 from operation immediately and replace the Relay board before operating the press again Failure to comply with these instructions will result in death or serious injury GUARD AGA...

Страница 105: ... than 5 ohms If it isn t replace the Relay board see next section 6 Measure the resistance across the OSSD 2 N O contacts pins 3 and 4 on TB4 labelled N O 2 If the resistance is not less than 5 ohms replace the Relay board see next section 7 Obstruct the light curtain Machine Run Stop LED should be red and measure the resistance across the OSSD 2 N C contacts pins 5 and 6 on TB4 labelled N C The r...

Страница 106: ... light field cross talk may be the cause Cross talk occurs when the LEDs in the transmitter of one unit are detected by the phototransistors in the receiver of the other unit To diagnose the problem first try swapping the transmitter with the receiver on one of the sets If the symptoms disappear cross talk was the problem You can also place an opaque barrier between the two sets making sure that t...

Страница 107: ...1139300 Shadow 8 User Manual 4 12 Troubleshooting ...

Страница 108: ...our Main heads to the WPC enclosure 3 Run the wires through flexible liquid tight conduit to the enclosure see Figure A at the end of the manual for a drawing and parts list Run WPC 2000 wiring to one of the knockouts in the lower right corner center or right mounted unit or lower left corner left mounted unit Run WPC 1000 wiring to a knockout in the bottom center of the unit Figure A 1 WPC Label ...

Страница 109: ...e yellow wire from the Program Run Start key switch using the crimp type wire nut provided Simply twist together the exposed ends of both yellow wires insert the wires in the wire nut and secure the wires in the nut with a crimping tool Make sure to terminate green Earth wires on both Receiver and Transmitter to a ground stud inside the enclosure near the knockout through which you bring the wirin...

Страница 110: ...ke sure that the operator is not able to stand between the Shadow 8 sensing field and the machine pinch point Verify that the light curtain can only be reset from a position outside and within view of the hazardous machine area Pass Fail 5 Inspect the electrical connections between the guarded machine s control system and Shadow 8 Verify that they are properly connected to the machine such that a ...

Страница 111: ...1139300 Shadow 8 User Manual B 2 Checkout Procedure Log ...

Страница 112: ... the pinch point Pass Fail 4 Check for signs of external damage to the Shadow 8 the machine and the electrical cables and wiring If damage is found lock the machine off and report to the supervisor Pass Fail 5 Interrupt the Shadow 8 sensing field with the proper size test object Move the test object inside the perimeter along the top sides and bottom of the sensing field and up and down through th...

Страница 113: ...1139300 Shadow 8 User Manual C 2 Test Procedure Log ...

Страница 114: ...ed upon for use in any specific application The material is provided with PMA s permission for informational purposes only Refer to the most recent versions of OSHA documents To obtain copies of OSHA regulations write to OSHA s Office of Information and Consumer Affairs 200 Constitution Avenue NW Room N3647 Washington DC 20210 Tel 202 219 8151 fax 202 219 5986 REFER TO CURRENT REVISIONS OF OSHA AN...

Страница 115: ...of operation Presence sensing device c 3 i a Refers to the functional requirement of a presence sensing device which prevents and or stops normal stroking of the press OSHA 1910 217 c 3 iii iii A presence sensing point of operation device shall protect the operator as provided in paragraph c 3 i a of this section and shall be interlocked into the control circuit to prevent or stop slide motion if ...

Страница 116: ...me increase must be accommodated due to braking system deterioration a percentage factor must be added to the measured time to obtain the factor for use in the equation for determining safety distance A percentage factor of 20 is recommended for presses with new brakes or brakes of good condition For older brakes a 10 factor is recommended Example Measured stopping time 0 190 seconds Time factor 1...

Страница 117: ...s auxiliary equipment and safeguards are in safe operating condition and adjustment The employer shall maintain records of these inspections and the maintenance work performed Records of clutch and brake will be weekly Other inspections are periodic subject to time factor determined by employer ii Each press shall be inspected and tested no less than weekly to determine the condition of the clutch...

Страница 118: ...andards under the designation American National Standards The standards reflect a national consensus of manufacturers consumers scientific technical and professional organizations and governmental agencies Shown below are extracts of standards requirements and explanatory information from ANSI B11 1 2009 and B11 19 2003 for presence sensing devices light curtains Complete versions of these documen...

Страница 119: ...sponse time of the control system and the time it takes hazardous motion to stop The following formula should be used when calculating the safety distance Ds Ds K Ts Tc Tbm Where K 63 inches second hand speed constant Ts the stop time of the press measured from the final de energized control element usually the air valve Tc the response time of the control Tbm the additional time allowed by the st...

Страница 120: ...evice should be located or adjusted so that the device always responds to the intrusion at or prior to the safety distance Ds Also care should be taken when installing the device so that it does not detect false signals from other devices or equipment in the area The presence sensing device cannot protect against a catastrophic failure of the press which causes unintended cycling action See Annex ...

Страница 121: ...ns or which incorporate fixed blanking or floating blanking features shall be designed so that the adjustments or features are capable of supervisory control by the user E8 6 3 10 Typically these adjustments or controls are key operated or located under lockable covers 8 6 3 11 The device shall be provided with a means that visibly indicates when it is functioning properly E8 6 3 11 Red and green ...

Страница 122: ...evice to the press control shall conform to the requirements of 6 11 and 8 8 8 6 3 15 The sensitivity of the device to intrusion shall not be adversely affected by changing conditions around the press 8 6 3 16 The effective sensing field of the device shall be located at distance from the nearest point of operation hazard so that individuals cannot reach into the point of operation with a hand or ...

Страница 123: ...e monitor 6 12 NOTE No increase in safety distance is required for fixed blanking applications if the blanked area is entirely occupied by the material or fixtures In some instances the use of blanking does not allow efficient production of certain piece parts Horizontal placement of the sensing field so that it detects that operator s waist area may present a solution In this application the oper...

Страница 124: ... or object sensitivity is greater than the value used to calculate the safety distance E8 6 3 18 Examples of ambient light are associated with windows light fixtures skylights bay doors or die lights 8 6 3 19 All areas of entry to the point of operation not protected by the presence sensing device shall be otherwise safeguarded E8 6 3 19 Usually the electro optical presence sensing devise is used ...

Страница 125: ...an obstruction with a diameter of 25 mm 1 inch to pass undetected at certain points in the field 8 3 1 3 The device shall not fail to change its output state if not muted when it detects the presence of an individual EB 3 1 3 Muting may be accomplished by the device its interface auxiliary controls or the machine control system When the device provides the muting its output may or may not change s...

Страница 126: ...F and area scanning presence sensing safeguarding devices shall be designed and constructed to meet the requirements of 6 1 8 3 1 10 The area scanning device shall provide a means or operating mode to verify the size shape and detection capabilities of the detection area or zone Information shall be provided by the area scanning device supplier to identify the a maximum safeguarding range b minimu...

Страница 127: ... with the device to prevent the individual from exposure to the hazard When an individual can pass through the sensing field see the requirements of 8 3 2 3 The electro optical presence sensing device may fail to detect an individual s presence due to reflective workpieces or objects in the vicinity of the device Care should be used to ensure that these reflections do not render the device ineffec...

Страница 128: ... devices have sensing fields that can vary due to antenna e design effects of adjacent machinery and equipment field sensitivity adjustments and environmental factors such as humidity or temperature Before the machine is used for production purposes the RF device should be checked to ensure that the effective field protects individuals at the safety distance 8 3 2 3 The presence sensing device sha...

Страница 129: ...roduction The intention of a manual reset is to encourage the diagnosis of a failed component subassembly device or module A second failure may occur during the diagnostic or troubleshooting process negating the safety function s Additional safeguarding should be used to protect individuals during this process See the definition for control reliability and Annex C for further information If the ma...

Страница 130: ...ect the performance of the device 8 3 2 8 The total tolerance in the range measurement of an area scanning device shall be included in determining the distance from the nearest recognized hazard to the detection area or zone This detection area shall be identified and tested to ensure that the device is able to detect individuals entering the detection area The effective sensing field shall be ver...

Страница 131: ...e located at a position away from the hazard area based on the ability of the operator to reach through the opening Figure D 10 and Table D 1 is one method that may be used to locate barrier guards The safety distance may be calculated using the following equation Ds K T Equation 1 Where Ds the safety distance K the maximum speed that an individual can approach the hazard T the total time to stop ...

Страница 132: ...he cycle or stroke provided that no hazards are generated during the opening portion the time to stop hazardous motion could take up to one and a half times the time it takes the machine to complete one cycle stroke For clutches with only one engaging point the stopping time Ts is Ts 1 5 Tmc Equation 2 Where Tmc the time it takes to complete a machine cycle stroke Some clutches have multiple engag...

Страница 133: ...since these times may vary due to such factors as machine temperature tool loading and energy transferred to the workpiece a factor Tspm must be added to the total stopping time Tspm is a calculated factor As an example if the monitor is set to a point or time 5 greater than the normal stopping position or time then Tspm is equal to 5 of Ts Therefore the total stopping time is the sum of these fac...

Страница 134: ...bstituting the non zero values or combination of values as determined above NOTE ON THE FOLLOWING FIGURES Figures D 1 through D 3 provide the reader with the means to find the value of Dpf they need to use in the safety distance formula Figures D 4 through D 9 are examples per the different applications of how to use the safety distance formula once the reader has determined Dpf ...

Страница 135: ...1139300 Shadow 8 User Manual D 22 Extracts from OSHA and ANSI ...

Страница 136: ...Shadow 8 User Manual 1139300 Extracts from OSHA and ANSI D 23 ...

Страница 137: ...1139300 Shadow 8 User Manual D 24 Extracts from OSHA and ANSI ...

Страница 138: ...uthorized to test products and certify to these standards CSA itself also provides these services depth penetration factor A value used in the ANSI formula for calculating the safety distance The depth penetration factor is a measure of how far an object like an operator s hand can move through the light curtain before the light curtain reacts EDM Stands for External Device Monitoring EDM a safety...

Страница 139: ...bject that a light curtain can detect anywhere in its field OSHA Stands for Occupational Safety and Health Administration a government agency that has established regulations for mechanical power presses including presence sensing devices for point of operation guarding OSSD Stands for Output Signal Switching Device a type of safety output Shadow 8 has two OSSD outputs that can be connected to the...

Страница 140: ...ration factor Dpf relationship to object sensitivity 2 7 using in ANSI safety distance formula 2 7 dimensions control box 2 30 floor stands 2 17 mirrors 2 24 optic heads 2 19 universal mounting brackets 2 20 DIP switches See option switches E emergency stop circuit wiring Shadow 8 to 2 39 extension optic heads adding 2 59 connecting 2 35 removing 2 60 External Device Monitoring EDM inputs setting ...

Страница 141: ...relay outputs to a Programmable Logic Controller PLC 2 42 wiring stop relay outputs to a Wintriss clutch brake control 2 43 P pass through protection providing 2 12 perimeter guarding increasing safety distance for 2 10 PLC See Programmable Logic Controller PLC PMA See Precision Metalforming Association PMA power requirements AC power 2 37 Precision Metalforming Association PMA interpretation of O...

Страница 142: ...oting 2 52 U universal mounting brackets adjusting to align heads 2 15 2 21 dimensions 2 20 mounting heads using T slot kit 2 15 2 20 W Wintriss clutch brake control WPC wiring Shadow 8 main optic heads directly to A 1 wiring stop relays outputs to 2 43 wiring connections control AC power 2 38 auxiliary output s 2 44 main receiver 2 34 main transmitter 2 34 stop relay outputs to a PLC 2 42 stop re...

Страница 143: ...1139300 Shadow 8 User Manual I 4 Index ...

Страница 144: ... Electrocraft Wintriss DA71417 DA71443 Servofeed Interface Indramat Wintriss DA71418 DA71443 Servofeed Interface ProCam DA71431 DA71447 Servofeed Interface SmartPAC DA71420 DA71443 Servofeed Interface Waddington Wintriss DA71419 DA71443 SFC Machine Interface SMI N A 1140800 Shadow V Safety Light Curtain DA71433 DA71449 Shadow VI Safety Light Curtain DA71422 DA71445 Shadow VII Safety Light Curtain ...

Страница 145: ...ittings for connection to optional control or WPC 1 T B Thomas and Betts or equivalent Strain relief straight connector 2 T B Thomas and Betts or equivalent Size 1 Standoff Clip 3 T B Thomas and Betts or equivalent inch straight connector 4 T B Thomas and Betts or equivalent inch threaded coupling 5 T B Thomas and Betts or equivalent inch Liquidtight flexible metal conduit 6 T B Thomas and Betts o...

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