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Release 7/2009 Ver. 1.0

Technical Manual: GS-120 Light Curtain Systems

TAPESWITCH CORPORATION

Phone: 631-630-0442

100 Schmitt Boulevard

Fax: 631-630-0454

Farmingdale, New York 11735

www.tapeswitch.com

5.0

TECHNICAL SPECIFICATION

Operating Voltage

24 Vdc +/- 10%

Power Consumption

approx. 2.5 VA

Response Time

< 30ms

Temperature Range:
Operating

-25ºC to +55ºC

Reset Function

Manual or Auto

Contact Configuration

3 x N/O safety contacts

Contact Type

Relay positive guided

Max. Switching Capacity

1500 VA (resistand load)

Max. Switching Capacity

250 Vac, 24 Vdc

Switching Current

6A ac, 6A dc

Enclosure:
Protection Rating
Terminal Capacity

Material

DIN 40050 (Terminal IP20) (Housing IP40)
2 x 2.5mm² solid wire DIN 26206 or
1 x 1.5mm² stranded wire with ferrule DIN 46228
Self-extinguishing according to UL 94 V-0

Summary of Contents for GS-120

Page 1: ...ntial that the full contents of this manual and all the international documents referred to herein are fully understood before any attempt at installation is made If in doubt contact Tapeswitch Corpor...

Page 2: ...N 13 3 2 1 General Considerations 13 3 2 1 1 Multi Sided Guarding 15 3 2 2 Curtain Dimensions 16 3 2 2 1 GS 120 Basic System 16 3 2 2 2 GS 120 Multi Beam System 17 3 2 2 3 GS 120 Cascaded System 18 3...

Page 3: ...ODIC CHECKING 38 5 1 1 Commissioning Checks 38 5 1 2 6 or 12 Month Periodic Checks 38 5 1 3 Daily Setting Examination 39 5 1 4 Checking Detection Capability 39 5 1 4 1 GS 120 System 39 5 1 4 2 GS 120...

Page 4: ...ystem is strongly grounded in international commerce and standards They were developed by Tapeswitch Ltd of Chorley England Both Tapeswitch Ltd and Tapeswitch U S are part of Indel Corporation a priva...

Page 5: ...hes 30mm 1 3 16 in 200 300 400 600 800 900 1000 1200 1400 1600 mm 8 12 16 24 32 36 40 48 56 64 72 inches 70mm 2 3 4 in 600 800 1000 1200 1400 1600 1800 mm 24 32 40 48 56 64 72 inches The minimum separ...

Page 6: ...extrusion 100mm larger than protective height 2 1 silver backed mirror 100mm larger than protective height 3 2 pivot joints 4 2 40mm x 40mm end covers 5 4 5mm T slot nuts 6 4 12 flat washers 7 4 5mm...

Page 7: ...extruded aluminum with slots to allow the light curtain to be positioned anywhere along its length The mounting stands are supplied with all of the necessary hardware to facilitate mounting a standar...

Page 8: ...ded Slave Unit Curtain Length 200 mm to 1800 mm Detection Capability 30 mm or 70 mm Curtain Display LED Discrete LEDs DIAG Dot Matrix Diagnostic Display Bracket options CB Clamp Bracket AB Adjustable...

Page 9: ...Both units are identical in shape and size The units are enclosed in a robust extruded aluminum section with reinforced composite end covers The emitter and receiver units together generate a curtain...

Page 10: ...rocessor in the emitter unit and two in the receiver unit All three microprocessors perform exhaustive checks on their own hardware and software prior to and during operation The two in the receiver u...

Page 11: ...ON The standard master receiver unit has four status indicators as shown in Figure 4 The standard master emitter unit has two status indicators as shown in Figure 5 The slave emitter and receiver have...

Page 12: ...his option the LED indicators on the standard and master emitter units and all slave units are the same as shown for the LED option above in Figures 4 5 and 6 However the standard and master receiver...

Page 13: ...ing between the curtain and the dangerous parts of the machine f No devices other than those specified in this manual should be connected to the internally generated power supply of the system g After...

Page 14: ...tt Boulevard 14 Fax 631 630 0454 Farmingdale New York 11735 www tapeswitch com The physical parameters affecting the positioning are the dimensions of the detection zone of the light curtain i e the p...

Page 15: ...irror used the range is reduced by approximately 20 Also the alignment of systems with mirrors can be difficult especially where the mounting surfaces are uneven It is therefore recommended that no mo...

Page 16: ...ed height and the range i e the distance between the emitter and receiver units The protected height must be selected to suit the application The minimum range for all systems is 500 millimeters The m...

Page 17: ...RATION Phone 631 630 0442 100 Schmitt Boulevard 17 Fax 631 630 0454 Farmingdale New York 11735 www tapeswitch com 3 2 2 2 GS 120 Multi Beam System All the dimensions relating to the curtain for each o...

Page 18: ...ain are indicated by arrows on the front window labels of each unit A maximum of two sets of slave units can be connected to a master system as shown in Figure 14 Each emitter receiver pair has a type...

Page 19: ...the distance in the direction of approach between the physical point at which the curtain detects an obstruction and the nearest dangerous parts ANSI B11 19 1990 provides guidelines on how to determin...

Page 20: ...ment TC Response time of the control system NOTE TS and TC are usually measured by a stop time measurement device TR Response time of the presence sensing device and its interface if any as stated by...

Page 21: ...rallel approach format the outer curtain detection limit as shown on the front window of each unit minus the detection capability should be considered to be the point at which an obstruction is detect...

Page 22: ...r than 5 to the direction of approach account shall be taken of the risks associated with the direction of approach and the most appropriate formula used Figure 17 3 2 3 4 Approach to L Installation I...

Page 23: ...ection 4 for detailed information Figure 19 3 2 5 REFLECTIVE SURFACES There should be no reflective surfaces within the field of view of the curtain units Reflective surfaces within the field of view...

Page 24: ...with the emitter and receiver units The brackets have been specially designed to allow adjustment Each unit is supplied with two clamp brackets fitted one at each end The clamp bracket is a short pie...

Page 25: ...ied for use in tightening the brackets If these brackets are not properly secured the emitter and receiver units may shift causing nuisance tripping a false lock out condition and or a potential safet...

Page 26: ...e securing screw 95 24mm 1 58 40mm 2 56 65mm 3 15 80mm TYPE AB MOUNTING BRACKETS Type AB adjustable mounting brackets are an optional choice for GS 120 Light Curtains Combining a robust design and qui...

Page 27: ...ndependent switching devices in the machine control circuit and SHOULD NOT BE CONNECTED TOGETHER NOTE The pair of solid state outputs are constantly monitored and are designed to act as a single compo...

Page 28: ...d will remain off until the test contact closes again and the curtain self tests have been successfully performed assuming that the curtain is not obstructed If the test input is not used this input m...

Page 29: ...following expression UA UV 2V Figure 31 PNP Version Receiver Connections 3 3 3 2 2 Start Restart and External Device Monitoring EDM In the PNP mode the GS 120 can be set up for either manual or automa...

Page 30: ...630 0454 Farmingdale New York 11735 www tapeswitch com Figure 35 Manual Restart with EDM 3 3 3 3 SSR Version This version has two voltage free solid state outputs It operates in automatic mode so the...

Page 31: ...s it is essential that this type of relay is used 3 3 4 1 PNP Version Manual Reset It may be possible to connect the GS 120 directly to the Machinery Primary Control Elements MPCE as shown in Figure 3...

Page 32: ...tion must be provided elsewhere in the machine safety control system for example in the SRUB interface unit Note The connection through 41 and 42 is used for external monitoring EDM If an alternative...

Page 33: ...as the Pilz PNOZ 8 The circuit diagram for the PNOZ 8 and the typical connections to the GS 120 light curtain and the machine are shown in Figure 39 below IMPORTANT A number of manufacturers produce...

Page 34: ...until the green indicator goes off and the red indicator comes on Note this position 3 Set the emitter at the center of the two noted positions 4 Repeat steps 1 2 and 3 but this time turning the recei...

Page 35: ...the machine from being stopped The safety output relays are cross monitored within the interface unit This means any disparity between the two relays will be detected The machine will be disabled unt...

Page 36: ...e output contacts should be used On the BSRSA Interface Unit these safety output protection fuses are part of the unit All of the other interface units do not provide safety fuses output protection an...

Page 37: ...n in Figure 42 The connection of the Emitter and Receiver units to the system is simply achieved by plugging into standard AS i components using the cables supplied Note The power supply leads of the...

Page 38: ...est the detection capability of the light curtain as described in section 5 1 4 of this manual g Examine the machine controls and connections to the GS 120 system to ensure that the requirements descr...

Page 39: ...e previous sections using the method described below See Figure 43 a With power applied to the GS 120 system and with the machine at rest check that the light curtain is functioning by observing the s...

Page 40: ...eam is obstructed the green indicator should GO OFF AND REMAIN OFF and the red indicator should BE LIT AND REMAIN LIT Move your hand in and out of the beam several times and check that the indicators...

Page 41: ...rogrammed Reconnect hand held blanking unit and re configure to correct setting 5 2 SERVICING The GS 120 system is designed to be serviced at unit level There are no user serviceable parts within the...

Page 42: ...t Curtain Systems TAPESWITCH CORPORATION Phone 631 630 0442 100 Schmitt Boulevard 42 Fax 631 630 0454 Farmingdale New York 11735 www tapeswitch com 6 0 TECHNICAL SPECIFICATIONS Basic GS 120 Emitter an...

Page 43: ...properly aligned faulty or obstructed Once the units are properly aligned and any obstructions are removed the green LED should be illuminated and the receiver LEDs should follow the state of the lig...

Page 44: ...n an insulated jacket The receiver cable has eight conductors in an insulated jacket The cables have different connectors and will only mate to the proper component of the light curtain The metal encl...

Page 45: ...an verify that the safety output relays did in fact cycle thereby exposing any fault before the next machine cycle This test should be conducted during a safe part of the machine cycle or at the end o...

Page 46: ...10 1 2 3 4 5 6 7 8 9 X1 Terminal X1 9 and 10 must be jumpered if not used MACHINE CONTROL CONNECTIONS 2 1 Momentary Contact N O External Reset switch if used X2 REMOTE RESET X6 24 VDC In X6 1 24 VDC...

Page 47: ...le New York 11735 www tapeswitch com Figure 49 Light Curtain to BSRSA Interconnection Diagram 1 2 3 _ BN WH BU BK GY 24Vdc GND 0V DATA 1 DATA 2 PNP OUT 1 PNP OUT 2 1 2 3 4 5 6 4 5 0V 24Vdc GND GND 7 8...

Page 48: ...Terminal X2 W1 Brown 24VDC 1 10 W1 White OV DC 2 9 W1 Blue Test Out 3 Jumper 3 to 4 if not used 4 Jumper 4 to 3 if not used No Connection W1 Black Test In No Connection W1 Gray Ground 5 4 RKT8 09 XX R...

Page 49: ...ting that the control unit has power system status LEDs for channel 1 and channel 2 Power is automatically applied to the emitters and receivers on both light curtains and if the system is properly co...

Page 50: ...inal numbers are the same for either the one or two light curtain configuration The necessary jumpers for the different configurations are noted They must be installed properly in order to insure the...

Page 51: ...f the main document 6 0 TEST INPUT The BSRUA 2 interface provides a test input for each light curtain This input is used to check the interface between the photo electric safety system and the machine...

Page 52: ...to 9 Jumper 1 to 2 7 to 8 if not used For TWO Light Curtains 5 to 14 and 7 to 8 if not used 19 to 20 if not used Figure 54 Input and Output Functions Jumper Details and Terminal Numbers for the BSRUA...

Page 53: ...1 2 3 _ BN WH BU BK GY 24Vdc GND 0V DATA 1 DATA 2 PNP OUT 1 PNP OUT 2 1 2 3 4 5 6 4 5 0V 24Vdc GND GND 7 8 TO T I GY BU WH BN PK YL GN SHIELD P1 J1 P2 J2 W2 W1 B Series Receiver 1 B Series Emitter 1...

Page 54: ...2 16 W1 Blue Test Out 3 Jumper 3 to 4 if not used 4 Jumper 4 to 3 if not used No Connection W1 Black Test In No Connection W1 Gray Ground 5 25 27 or Ground RKT8 09 XX Receiver 8 Pin Quick Disconnect B...

Page 55: ...GS 120 Light Curtain Systems TAPESWITCH CORPORATION Phone 631 630 0442 100 Schmitt Boulevard 55 Fax 631 630 0454 Farmingdale New York 11735 www tapeswitch com Figure 57 Interconnection Diagram for the...

Page 56: ...R TOGETHER Black and Blue Wire No Connection W1A Black Test In No Connection W1A Gray Ground 5 25 27 or Ground RKT8 09 XX Receiver 1 8 Pin Quick Disconnect BSRUA 2 W2 White OV D C 1 18 W2 Brown 24V D...

Page 57: ...ults exist and the GS 120 emitter and receiver units have power and are properly aligned This indicates that both safety relay outputs are in the on or closed state Both LEDs must be illuminated in or...

Page 58: ...ws the terminal numbers for the various input and output functions Particular attention should be given to the jumper placements for configuring MANUAL RESET and AUTOMATIC RESET These jumpers must be...

Page 59: ...the manual reset mode 4 2 EXTERNAL RESET Manual Reset Mode ONLY In the manual reset mode the SRUB Controller requires an external reset switch This switch should be a normally open momentary contact t...

Page 60: ...on External Fault Monitor Input if used Manual Operation ONLY X1 X2 24V DC OV DC A1 A2 24V DC Power Input T11 T34 External Reset Manual Operation ONLY Redundant Safety Outputs N O Output 1 N O Output...

Page 61: ...apeswitch com T11 A1 T34 X1 X2 T12 T44 PE T22 13 23 41 A2 14 24 42 1 3 4 5 1 2 4 5 K3 K2 K1 K1 K2 K3 K1 K3 K3 K2 K2 K2 K3 K1 K1 K1 K2 K3 gn gn GY YE BN WH GN BN WH BU BK GY 2 3 SRUB Safety outputs to...

Page 62: ...Test Out 3 TWIST PAIR TOGETHER Black Blue Wire W1 Black Test In 4 W1 Gray Ground 5 Ground RKT8 09 XX Receiver 8 Pin Quick Disconnect Molded Pre wired Split Cable 24V DC Power Supply W2 White OV DC 1...

Page 63: ...l circuit In such a case the light curtain interface should function in an auto reset mode In auto reset mode the output relays will be energized whenever power is applied to the system and the light...

Page 64: ...ect across terminals Y1 Y2 see Figure 65 For Auto Reset connect across terminals Y1 Y2 see Figure 66 This provides cross monitoring of the MPCEs such that if they are in disparity due to a fault reset...

Page 65: ...1 630 0454 Farmingdale New York 11735 www tapeswitch com Figure 67 SRUS Connection Details Figure 68 Safety Output Connection Single MPCE The diagram shows manual reset function with the GS 120 guard...

Page 66: ...se Time 30ms Temperature Range Operating 25 C to 55 C Reset Function Manual or Auto Contact Configuration 3 x N O safety contacts Contact Type Relay positive guided Max Switching Capacity 1500 VA resi...

Page 67: ...ntended to be wall mounted and has six knockouts capable of accepting standard 1 2 or 3 4 conduit It will accept an input power of source range of 85 to 264 Vac at an input frequency range of 47 to 63...

Page 68: ...24 Vdc is present The 24 Vdc output voltage is adjustable with a small Philip s head screwdriver The output voltage should be adjusted with a calibrated meter once all of the loads are connected The d...

Page 69: ...ot should be located at the center of the clear lens of the emitter or receiver Initially the target dot may not land on the emitter or receiver at all In this case place a sheet of cardboard or a sim...

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