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allen bradley 440l light curtain manual

Allen Bradley 440L-R4D1200-N Light Curtain Amazon.com Jun 22, 2017 · Rockwell Automation introduces light curtains with patented transceiver technology MILWAUKEE — As production processes become increasingly automated and robots play a larger role on the production line, manufacturers are looking for more ways to maintain and reinforce a safe work environment. The new Allen-Bradley GuardShield 450L safety light curtain system from Rockwell …

Allen-Bradley 440L AAC Single Beam Safety Light Curtain

Allen-Bradley 440L-P4K0640YD Light Curtain Pair 640mm. Rockwell Automation Guardshield 450L-B Safety Light Curtain Unlike traditional safety light curtains which are based on transmitter and receiver units, the 450L-B Safety Light Curtain system features a patented technology which allows each transceiver to be used as a transmitter or receiver via an innovative plug-in module., receiver) safety light curtain with dip switch selectable operating modes. The GuardShield PAC safety light curtain consists of a non-matched pair of optic units, i.e., transmitter and receiver. The transmitter and receiver operate on +24V DC. The maximum distance between transmitter and receiver is referred to as the protective field width or.

Rockwell Automation is proud to introduce the Allen-BradleyВ® GuardShieldв„ў 450L-B Safety Light Curtain system. Unlike traditional safety light curtains which are based on separate transmitter and receiver units, this next generation light curtain system features a patented technology which allows each transceiver to be used as a transmitter View and Download Allen-Bradley GuardShield Type 2 user manual online. Safety Light Curtain. GuardShield Type 2 Lighting Equipment pdf manual download. Also for: Guardshield type 2.

Rockwell Automation Guardshield 450L-B Safety Light Curtain Unlike traditional safety light curtains which are based on transmitter and receiver units, the 450L-B Safety Light Curtain system features a patented technology which allows each transceiver to be used as a transmitter or receiver via an innovative plug-in module. PAC Type 4 Safety Light Curtains 2-57 GuardShield PAC General Principles PAC Safety Light Curtains—Standard The Allen-Bradley Guardmaster GuardShield PAC safety light curtains are ordered as a pair—transmitter and receiver—and are shipped under Safety Light Curtain 440L-P4A3400YD 440L-P4AL3400YD 1156 (45.51)1156 (45.51)

2-8Presence Sensing Safety DevicesSafety Light CurtainsGuardShield Type 4DescriptionThe Allen-Bradley Guardmaster GuardShield safety light curtain isan economical, fully featured, Type 4 safety light curtain in auniquely styled housing. GuardShield safety light curtains are generalpurpose presence sensing devices designed for use on hazardousmachinery providing point of operation, as well as Monitored Manual 24V AC/DC 5-26 440R-N23135 MSR127TP 3 N.O. 1 N.C. Allen-Bradley 440R-P23071. Presence Sensing Safety Devices POC Type 4 Safety Light Curtains GuardShield General Principles 2-Opto-electronics Safety Switches Operator Interface Logic Power R GuardShield Light Curtain Connected to MSR22LM with Two Sensor Muting

Get a price for the 440L-T4F2070-Q, by Allen Bradley only at EU Automation (US). Call now, fast delivery worldwide. Visit us now and find out more. Monitored Manual 24V AC/DC 5-26 440R-N23135 MSR127TP 3 N.O. 1 N.C. Allen-Bradley 440R-P23071. Presence Sensing Safety Devices POC Type 4 Safety Light Curtains GuardShield General Principles 2-Opto-electronics Safety Switches Operator Interface Logic Power R GuardShield Light Curtain Connected to MSR22LM with Two Sensor Muting

This manual is a reference guide for the family of GuardmasterВ® Safety Relays (GSR). It describes the procedures that you use to install, wire, and troubleshoot your relay. This manual also gives an overview of the operation of safety relays. Summary of Changes This manual contains new and updated information. We added an Allen-Bradley Nov 09, 2017В В· This animation introduces the new GuardShield 450L-B Safety Light Curtain system featuring a patented technology which allows each transceiver to be used as a transmitter or receiver via an

Allen-Bradley 440L-T4F2070-Q Light Curtain, Safety, Transmitter, Terminal Chamber, w/Cable Gland. Zoom. Mfr Number: 440L-T4F2070-Q. Rexel Part Light Curtain, Safety, Transmitter, Terminal Chamber, w/Cable Gland. Light Curtain, AAC Single Beam, Safety, Transmitter, Terminal Chamber with Cable Gland, PG13.5 Thread, 24 Volt DC, 8 Watts, 0 - 70 A-B 440L-C4J1600Yd Guardshield Safety Light Curtain, 1600Mm, 14Mm – Allen Bradley Safety Relay Wiring Diagram. Allen Bradley Wiring Schematics Manual E-Books – Allen Bradley Safety Relay Wiring Diagram. 440R-S12R2 Ab Guardmaster Safety Relay, Single Input Pn-114859 – …

A-B 440L-C4J1600Yd Guardshield Safety Light Curtain, 1600Mm, 14Mm – Allen Bradley Safety Relay Wiring Diagram. Allen Bradley Wiring Schematics Manual E-Books – Allen Bradley Safety Relay Wiring Diagram. 440R-S12R2 Ab Guardmaster Safety Relay, Single Input Pn-114859 – … Jun 22, 2017 · Rockwell Automation introduces light curtains with patented transceiver technology MILWAUKEE — As production processes become increasingly automated and robots play a larger role on the production line, manufacturers are looking for more ways to maintain and reinforce a safe work environment. The new Allen-Bradley GuardShield 450L safety light curtain system from Rockwell …

Buy New or Surplus ALLEN BRADLEY 440L-R4K1600YD ( LIGHT CURTAIN ,GUARDSHIELD, RECEIVER SECTION ONLY, 30 MM ,RES 1600MM (63.0 IN), 80 BEAMS ) parts. Radwell also repairs ALLEN BRADLEY 440L-R4K1600YD. 2-28Presence Sensing Safety DevicesSafety Light CurtainsPoint of Operation ControlProduct Selection3. Programmable Interface Optional4. Safety Relay Interfaces RequiredNote: For wiring refer to Safeguarding Applications section of this catalogue. datasheet search, datasheets, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes and other semiconductors.

ALLEN BRADLEY 440L-R4A2500YD Repair Rockwell Automation

allen bradley 440l light curtain manual

ALLEN-BRADLEY GUARDSHIELD TYPE 2 USER MANUAL Pdf. GuardShieldв„ў Type 4 Safety Light Curtain. Our Perimeter Access Control (PAC) Type 4 GuardShieldв„ў Light Curtains are multiple beam, short range safety light curtains that provide access detection at machine entry points., Routeco have Guardmaster 440L-P4K1120YD available to buy from our Light Curtains section. Buy online now with next day delivery available for in stock products..

Allen Bradley Light Curtain Alignment Tool www. 2-28Presence Sensing Safety DevicesSafety Light CurtainsPoint of Operation ControlProduct Selection3. Programmable Interface Optional4. Safety Relay Interfaces RequiredNote: For wiring refer to Safeguarding Applications section of this catalogue. datasheet search, datasheets, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes and other semiconductors., Safety Light Curtain, GuardShield, Type 4, POC, Pair, Resolution 14mm, Protected Height 320mm, with Laser, M12 5 Pin.

ALLEN BRADLEY 440L-M8200 SAFETY RELAY INTERFACE FOR

allen bradley 440l light curtain manual

440L-T4F2070-Q Allen Bradley EU Automation (US). POC Type 2 Safety Light Curtains 2-43 GuardShield Type 2 General Principles 2-Opto-electronics Safety Switches Operator Interface Logic Power R Description The Allen-Bradley Guardmaster GuardShield Type 2 safety light curtain is a self contained “two box,” Type 2 safety light curtain. Designed for use on or around machinery in which a https://en.wikipedia.org/wiki/M2_Bradley Allen Bradley GuardMaster Cat No. 440L-R4D1200-N Safety Light Curtain Transmitter 1200 MM POC-30 Bulletin/Type : 400L Part No. R4D1200-N Safety Category : Type 4.

allen bradley 440l light curtain manual

  • GuardShield Type 2 Safety Light Curtain User Manual
  • Allen Bradley 440L-R4K0960YD 440L-T4K0960YD Safety
  • New Light Curtain System Improves Flexibility and

  • GuardShieldв„ў Type 4 Safety Light Curtain. Our Perimeter Access Control (PAC) Type 4 GuardShieldв„ў Light Curtains are multiple beam, short range safety light curtains that provide access detection at machine entry points. Guardmaster - 440L-P4K1280YD - Guardmaster - Light Curtains - Guardmaster - 440L-P4K1280YD from Electroquip

    Buy 440L-ALAT / 440L-ALAT Allen Bradley Saftey Light Curtain from Distributor Santa Clara Systems. We Offer Fast Same-Day Shipping Worldwide! Click to Check if In-Stock. Buy 440L-ALAT / 440L-ALAT Allen Bradley Saftey Light Curtain from Distributor Santa Clara Systems. We Offer Fast Same-Day Shipping Worldwide! User Manual. Catalog. Profile Allen-Bradley 440L-T4F2070-Q Light Curtain, Safety, Transmitter, Terminal Chamber, w/Cable Gland. Zoom. Mfr Number: 440L-T4F2070-Q. Rexel Part Light Curtain, Safety, Transmitter, Terminal Chamber, w/Cable Gland. Light Curtain, AAC Single Beam, Safety, Transmitter, Terminal Chamber with Cable Gland, PG13.5 Thread, 24 Volt DC, 8 Watts, 0 - 70

    Buy 440L-T4K0320YD / 440L-T4K0320YD Allen Bradley Safety Light Curtain Transmitter Guardshield from Distributor Santa Clara Systems. We Offer Fast Same … Buy 440L-ALAT / 440L-ALAT Allen Bradley Saftey Light Curtain from Distributor Santa Clara Systems. We Offer Fast Same-Day Shipping Worldwide! Click to Check if In-Stock. Buy 440L-ALAT / 440L-ALAT Allen Bradley Saftey Light Curtain from Distributor Santa Clara Systems. We Offer Fast Same-Day Shipping Worldwide! User Manual. Catalog. Profile

    Rockwell Automation Guardshield 450L-B Safety Light Curtain Unlike traditional safety light curtains which are based on transmitter and receiver units, the 450L-B Safety Light Curtain system features a patented technology which allows each transceiver to be used as a transmitter or receiver via an innovative plug-in module. Rockwell Automation Guardshield 450L-B Safety Light Curtain Unlike traditional safety light curtains which are based on transmitter and receiver units, the 450L-B Safety Light Curtain system features a patented technology which allows each transceiver to be used as a transmitter or receiver via an innovative plug-in module.

    2-28Presence Sensing Safety DevicesSafety Light CurtainsPoint of Operation ControlProduct Selection3. Programmable Interface Optional4. Safety Relay Interfaces RequiredNote: For wiring refer to Safeguarding Applications section of this catalogue. datasheet search, datasheets, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes and other semiconductors. Jun 22, 2017 · Rockwell Automation introduces light curtains with patented transceiver technology MILWAUKEE — As production processes become increasingly automated and robots play a larger role on the production line, manufacturers are looking for more ways to maintain and reinforce a safe work environment. The new Allen-Bradley GuardShield 450L safety light curtain system from Rockwell …

    Buy New or Surplus ALLEN BRADLEY 440L-T4K0320YD ( ALLEN BRADLEY, 440L-T4K0320YD, 440LT4K0320YD, LIGHT CURTAIN, 7W, 24VDC, 30MM, 0.3-16M RANGE ) parts. Radwell also repairs ALLEN BRADLEY 440L-T4K0320YD. Buy New or Surplus ALLEN BRADLEY 440L-T4K0320YD ( ALLEN BRADLEY, 440L-T4K0320YD, 440LT4K0320YD, LIGHT CURTAIN, 7W, 24VDC, 30MM, 0.3-16M RANGE ) parts. Radwell also repairs ALLEN BRADLEY 440L-T4K0320YD.

    Buy New or Surplus ALLEN BRADLEY 440L-T4K0320YD ( ALLEN BRADLEY, 440L-T4K0320YD, 440LT4K0320YD, LIGHT CURTAIN, 7W, 24VDC, 30MM, 0.3-16M RANGE ) parts. Radwell also repairs ALLEN BRADLEY 440L-T4K0320YD. POC Type 2 Safety Light Curtains 2-43 GuardShield Type 2 General Principles 2-Opto-electronics Safety Switches Operator Interface Logic Power R Description The Allen-Bradley Guardmaster GuardShield Type 2 safety light curtain is a self contained “two box,” Type 2 safety light curtain. Designed for use on or around machinery in which a

    allen bradley 440l light curtain manual

    Safety Light Curtain, GuardShield, Type 4, POC, Pair, Resolution 14mm, Protected Height 320mm, with Laser, M12 5 Pin Home / Allen-Bradley / Allen-Bradley 440L-P4K0320YD. Allen-Bradley 440L-P4K0320YD. View Cut Sheet PDF \\ 440LВ­P4K0320YD 1 GuardShield Safety Light Curtain, Res. 30mm, Pt Ht 320mm, 16 Beams. Product Details and. Certifications. Photo. User Manual. Specifications. Dimensions. Wiring Diagram.

    POC Type 2 Safety Light Curtains Platt Electric Supply

    allen bradley 440l light curtain manual

    Rockwell Automation Guardshield 450L-B Safety Light Curtain. GuardShieldв„ў Type 2 Safety Light Curtain Installation Instructions Original instructions 3 Introduction The GuardShield Type 2 safety light curtain is a general purpose presence sensing device, designed for use on hazardous machinery providing point of operation, as well as, perimeter and access detection., 2-8Presence Sensing Safety DevicesSafety Light CurtainsGuardShield Type 4DescriptionThe Allen-Bradley Guardmaster GuardShield safety light curtain isan economical, fully featured, Type 4 safety light curtain in auniquely styled housing. GuardShield safety light curtains are generalpurpose presence sensing devices designed for use on hazardousmachinery providing point of operation, as well as.

    Presence Sensing Safety Devices Safety Light Curtains

    Allen-Bradley 440L AAC Single Beam Safety Light Curtain. Allen-Bradley 440L-T4F2070-Q Light Curtain, Safety, Transmitter, Terminal Chamber, w/Cable Gland. Zoom. Mfr Number: 440L-T4F2070-Q. Rexel Part Light Curtain, Safety, Transmitter, Terminal Chamber, w/Cable Gland. Light Curtain, AAC Single Beam, Safety, Transmitter, Terminal Chamber with Cable Gland, PG13.5 Thread, 24 Volt DC, 8 Watts, 0 - 70, View and Download Allen-Bradley GuardShield 440L-T2KA series installation instructions manual online. GuardShield series Type 2 Safety Light Curtain. GuardShield 440L-T2KA series Security Sensors pdf manual download. Also for: Guardshield 440l-p2k series, Guardshield 440l-r2k series..

    440L-R4A2500YD by ALLEN BRADLEY repair provided by Rockwell Automation. Home; Allen-Bradley Repair PAC 2 BEAM LIGHT CURTAIN RECEIVER; Product Family: PLCs & Controllers; 12 Months Warranty. Remanufacture and return of your unit. Why choose Rockwell Automation for your ALLEN BRADLEY 440L-R4A2500YD Repair Needs? Proven process for POC Type 2 Safety Light Curtains 2-43 GuardShield Type 2 General Principles 2-Opto-electronics Safety Switches Operator Interface Logic Power R Description The Allen-Bradley Guardmaster GuardShield Type 2 safety light curtain is a self contained “two box,” Type 2 safety light curtain. Designed for use on or around machinery in which a

    Allen Bradley GuardMaster Cat No. 440L-R4D1200-N Safety Light Curtain Transmitter 1200 MM POC-30 Bulletin/Type : 400L Part No. R4D1200-N Safety Category : Type 4 440L Type 4 and 445L Safe 4 GuardShield PAC Safety Light Curtains. Our Bulletin 440L Type 4 and 445L Safe 4 Guardshield PAC Safety Light Curtains are based on the individual safety light curtain platforms and are used for whole-body detection. They are typically positioned around an area or in front of a machine process entry or exit areas.

    View and Download Allen-Bradley GuardShield Type 2 user manual online. Safety Light Curtain. GuardShield Type 2 Lighting Equipment pdf manual download. Also for: Guardshield type 2. Jun 27, 2017В В· The Allen-Bradley GuardShield 450L safety light curtain system features a transceiver design that employs plug-in modules to establish each unit's function as a transmitter or receiver. Once powered up, the transceiver learns its functionality from the plug-in module.

    Buy New or Surplus ALLEN BRADLEY 440L-T4K0320YD ( ALLEN BRADLEY, 440L-T4K0320YD, 440LT4K0320YD, LIGHT CURTAIN, 7W, 24VDC, 30MM, 0.3-16M RANGE ) parts. Radwell also repairs ALLEN BRADLEY 440L-T4K0320YD. Allen Bradley GuardMaster Cat No. 440L-R4D1200-N Safety Light Curtain Transmitter 1200 MM POC-30 Bulletin/Type : 400L Part No. R4D1200-N Safety Category : Type 4

    440L Guardshield POC Type 4 Safety Light Curtains. Our Bulletin 440L Guardshieldв„ў POC Type 4 safety light curtains are applied in applications where a formal risk assessment has determined that the hazard poses a moderate to high risk of operator injury. Rockwell Automation is proud to introduce the Allen-BradleyВ® GuardShieldв„ў 450L-B Safety Light Curtain system. Unlike traditional safety light curtains which are based on separate transmitter and receiver units, this next generation light curtain system features a patented technology which allows each transceiver to be used as a transmitter

    GuardShieldв„ў Type 2 Safety Light Curtain Installation Instructions Original instructions 3 Introduction The GuardShield Type 2 safety light curtain is a general purpose presence sensing device, designed for use on hazardous machinery providing point of operation, as well as, perimeter and access detection. A&S Automation.,Ltd is a leading provider of custom automated industrial control products and solutions that are reliable, easy-to-use, and cost effective, providing Allen-Bradley 440L AAC Single Beam Safety Light Curtain ASICEDirect and many more.

    440L-R4A2500YD by ALLEN BRADLEY repair provided by Rockwell Automation. Home; Allen-Bradley Repair PAC 2 BEAM LIGHT CURTAIN RECEIVER; Product Family: PLCs & Controllers; 12 Months Warranty. Remanufacture and return of your unit. Why choose Rockwell Automation for your ALLEN BRADLEY 440L-R4A2500YD Repair Needs? Proven process for Buy 440L Light Curtain, Sender & Receiver, 88 Beams, 30mm Resolution 440L-P4K1760YD. Browse our latest light-curtains offers. Free Next Day Delivery.

    2-28Presence Sensing Safety DevicesSafety Light CurtainsPoint of Operation ControlProduct Selection3. Programmable Interface Optional4. Safety Relay Interfaces RequiredNote: For wiring refer to Safeguarding Applications section of this catalogue. datasheet search, datasheets, Datasheet search site for Electronic Components and Semiconductors, integrated circuits, diodes and other semiconductors. Routeco have Guardmaster 440L-P4K1120YD available to buy from our Light Curtains section. Buy online now with next day delivery available for in stock products.

    GuardShield 450L-B Safety Light Curtain YouTube

    allen bradley 440l light curtain manual

    440L-R4K1600YD by ALLEN BRADLEY Buy or Repair at Radwell. PAC Type 4 Safety Light Curtains 2-57 GuardShield PAC General Principles PAC Safety Light Curtains—Standard The Allen-Bradley Guardmaster GuardShield PAC safety light curtains are ordered as a pair—transmitter and receiver—and are shipped under Safety Light Curtain 440L-P4A3400YD 440L-P4AL3400YD 1156 (45.51)1156 (45.51), receiver) safety light curtain with dip switch selectable operating modes. The GuardShield PAC safety light curtain consists of a non-matched pair of optic units, i.e., transmitter and receiver. The transmitter and receiver operate on +24V DC. The maximum distance between transmitter and receiver is referred to as the protective field width or.

    Guardmaster 440L-P4K1120YD Guardmaster - Light

    allen bradley 440l light curtain manual

    Allen-Bradley 440L-T4F2070-Q Light Curtain Safety. Jun 27, 2017В В· The Allen-Bradley GuardShield 450L safety light curtain system features a transceiver design that employs plug-in modules to establish each unit's function as a transmitter or receiver. Once powered up, the transceiver learns its functionality from the plug-in module. https://en.wikipedia.org/wiki/M2_Bradley Guardmaster - 440L-P4K1120YD - Guardmaster - Light Curtains - Guardmaster - 440L-P4K1120YD from Electroquip.

    allen bradley 440l light curtain manual


    Buy 440L Light Curtain, Sender & Receiver, 88 Beams, 30mm Resolution 440L-P4K1760YD. Browse our latest light-curtains offers. Free Next Day Delivery. Jun 27, 2017В В· The Allen-Bradley GuardShield 450L safety light curtain system features a transceiver design that employs plug-in modules to establish each unit's function as a transmitter or receiver. Once powered up, the transceiver learns its functionality from the plug-in module.

    Monitored Manual 24V AC/DC 5-26 440R-N23135 MSR127TP 3 N.O. 1 N.C. Allen-Bradley 440R-P23071. Presence Sensing Safety Devices POC Type 4 Safety Light Curtains GuardShield General Principles 2-Opto-electronics Safety Switches Operator Interface Logic Power R GuardShield Light Curtain Connected to MSR22LM with Two Sensor Muting View and Download Allen-Bradley GuardShield 440L-T2KA series installation instructions manual online. GuardShield series Type 2 Safety Light Curtain. GuardShield 440L-T2KA series Security Sensors pdf manual download. Also for: Guardshield 440l-p2k series, Guardshield 440l-r2k series.

    440L Type 4 and 445L Safe 4 GuardShield PAC Safety Light Curtains. Our Bulletin 440L Type 4 and 445L Safe 4 Guardshield PAC Safety Light Curtains are based on the individual safety light curtain platforms and are used for whole-body detection. They are typically positioned around an area or in front of a machine process entry or exit areas. 2-8Presence Sensing Safety DevicesSafety Light CurtainsGuardShield Type 4DescriptionThe Allen-Bradley Guardmaster GuardShield safety light curtain isan economical, fully featured, Type 4 safety light curtain in auniquely styled housing. GuardShield safety light curtains are generalpurpose presence sensing devices designed for use on hazardousmachinery providing point of operation, as well as

    View and Download Allen-Bradley GuardShield 440L-T2KA series installation instructions manual online. GuardShield series Type 2 Safety Light Curtain. GuardShield 440L-T2KA series Security Sensors pdf manual download. Also for: Guardshield 440l-p2k series, Guardshield 440l-r2k series. Check out great prices on Safety Light Curtains from AutomationDirect. Enjoy fast shipping and award-winning customer service. This version of Internet Explorer is no longer supported by Microsoft, and some features of our store may no longer be supported by this version of IE.

    Safety Light Curtain, GuardShield, Type 4, POC, Pair, Resolution 14mm, Protected Height 320mm, with Laser, M12 5 Pin Guardmaster - 440L-P4K1120YD - Guardmaster - Light Curtains - Guardmaster - 440L-P4K1120YD from Electroquip

    Home / Allen-Bradley / Allen-Bradley 440L-P4K0320YD. Allen-Bradley 440L-P4K0320YD. View Cut Sheet PDF \\ 440LВ­P4K0320YD 1 GuardShield Safety Light Curtain, Res. 30mm, Pt Ht 320mm, 16 Beams. Product Details and. Certifications. Photo. User Manual. Specifications. Dimensions. Wiring Diagram. 440L-R4A2500YD by ALLEN BRADLEY repair provided by Rockwell Automation. Home; Allen-Bradley Repair PAC 2 BEAM LIGHT CURTAIN RECEIVER; Product Family: PLCs & Controllers; 12 Months Warranty. Remanufacture and return of your unit. Why choose Rockwell Automation for your ALLEN BRADLEY 440L-R4A2500YD Repair Needs? Proven process for

    Rockwell Automation is proud to introduce the Allen-BradleyВ® GuardShieldв„ў 450L-B Safety Light Curtain system. Unlike traditional safety light curtains which are based on separate transmitter and receiver units, this next generation light curtain system features a patented technology which allows each transceiver to be used as a transmitter 4 Rockwell Automation Publication 440L-IN011B-EN-P - October 2017 GuardShield Type 2 Safety Light Curtain The GuardShieldв„ў Type 2 receives and processes the sequential pulses of the infrared light that is transmitted by the transmitter.

    allen bradley 440l light curtain manual

    This manual is a reference guide for the family of GuardmasterВ® Safety Relays (GSR). It describes the procedures that you use to install, wire, and troubleshoot your relay. This manual also gives an overview of the operation of safety relays. Summary of Changes This manual contains new and updated information. We added an Allen-Bradley Home / Allen-Bradley / Allen-Bradley 440L-P4K0320YD. Allen-Bradley 440L-P4K0320YD. View Cut Sheet PDF \\ 440LВ­P4K0320YD 1 GuardShield Safety Light Curtain, Res. 30mm, Pt Ht 320mm, 16 Beams. Product Details and. Certifications. Photo. User Manual. Specifications. Dimensions. Wiring Diagram.