2V DC. 63. Firmware Revisions Affected Cat. MPN. 1756-IB16S. Products sold before or after this date might carry different certifications. Learn how to install, configure, and troubleshoot FLEX 5000 I/O modules with this comprehensive user manual. Includes mechanical RTB keying, user-defined. Abstract: 1756-IN573 temposonic 1756-HYD 97739201 1756-IB16D hydraulic analog servo controller 1756-TBCH 1756-IN613 Allen-Bradley ifm module Text: , for example, 1756-IB16I. 5500. Allen-Bradley. This release includes the following system features. Original Instructions. Warranty: 12 months. 3cm. 5 W @ 60 °C (140 °F) Isolation voltage. 884. It delivers 120 VAC / 240 VAC nominal voltage output. Safety. Technical Specs. Add to BoM. Isolation Voltage: 250V (Continuous) Reverse Polarity Protection: Yes. Literature Library | Rockwell Automation Average Delivery 5-20 Days. Send us an Email. Allen-Bradley 1756-IB16S. Packaged Solutions (148) Product Selection Wizards (6) Condition Monitoring (10) Condition Sensors, Switches and Controls (19) Connection Systems (13) Control Circuit and Load Protection (81) Drives (57) Hazardous Locations (2) This 1756-IB16S digital safety input module is a product from Allen- Bradley. Offers electronic module keying, and is software configurable. This product was certified with the above certifications as of 2023-11-08. Control Logix Safety IO Module. ) insulation max Do not wire more than two conductors on any single terminal. ControlLogix 16 Point A/I Module. Current and voltage wiring examples for the 1756-IF16 module are shown on the following pages. Brand: Allen-Bradley | Category: Control Unit | Size: 2. Returns It is possible to return the purchased products. Products sold before or after this date might carry different certifications. Use the safety module in a ControlLogix® chas sis to provide safety I/O on a safety-control network that meets the requirements up to and including SIL 3, and PLe, cat. Allen-Bradley 1756-IB16I ControlLogix Isolated Input Module 10-30VDC 16-P Ser A. 1756 ControlLogix Analog I/O Modules. . This product was certified with the above certifications as of 2023-10-12. It comes with 16 inputs. Preferred Availability ControlLogix 16 Pt A/I HART Module. ControlLogix 16 Pt 12/24V DC D/I Module. Technical Specs. Offers electronic module keying, and is software configurable. This product was certified with the above certifications as of 2023-11-09. CE. Please review the product label to check for the certifications your specific product carries. 2 W. . . 1756-ob16iefsk. 10 Rockwell Automation Publication 1492-SG010B-EN-P - February 2021 1746 SLC I/O to Compact 5000 I/O Conversion System Digital Outputs Digital Outputs 1. This product was certified with the above certifications as of 2023-10-12. 6 %âãÏÓ 20607 0 obj > endobj 20628 0 obj >/Filter/FlateDecode/ID[74ACAC9033FF6B4D892F4E2088D832D5>]/Index[20607 349]/Info 20606 0 R/Length 132/Prev 9819078. The signal status of each channel is evaluated. Packaged Solutions (148) Product Selection Wizards (6) Condition Monitoring (10) Condition Sensors, Switches and Controls (19) Connection Systems (13) Control Circuit and Load Protection (81) Drives (57) Hazardous Locations (2)This 1756-IB16S digital safety input module is a product from Allen- Bradley. Our 1756 ControlLogix® chassis-based I/O modules provide a full range of digital, diagnostic digital, analog, motion control, specialty I/O, and compute modules to meet your application. Log in or register to view your price, purchase history, and more! Please Call Your Sales Associate for Availability. This product was certified with the above certifications as of 2023-11-09. 4 as defined in IEC 61508, IEC 61511, IEC 62061, and ISO 13849-1. 2x5. Gains up to 45% capacity when using the. Add to Wish List Add to Compare. Add to BoM. 226, 234 Due to the higher internal power dissipation of the 1756-OBV8S module, do not install the 1756-OBV8S module next to any control ler or communication module. Product Details. 1756-IB16D/A. China CCC. TYPE. Posted 10 Nov 2016. Please call or email us with your request. Customers are encouraged to remove references to the affected product (s). Owned and operated by ASAP Semiconductor, we have access to an inventory of more than 2 billion new and obsolete parts such as 1756-IB16S Allen-Bradley 1756-IB16S CONTROL LOGIX SAFETY IO. Allen Bradley 1756-OB16S ControlLogix Specifications. If this safety I/O module resides in a remote location, then the remote chassis must include a 1756 ControlLogix EtherNet/IP Communication Module (not compatible with the 1756-EWEB communication module). Add to Cart. Diagnostic Module Features Chapter. Best Sellers Rank: #1,071,629 in Industrial & Scientific ( See Top 100 in Industrial & Scientific) #1,062 in IO Modules. It is current sinking. The module's purpose is to ensure the safe operation of ControlLogix and GuardLogix control systems. Log in or register to view your price, purchase history, and more! Please Call Your Sales Associate for Availability. Discontinued Date: December 31, 2021 Replacement Category: Engineering Replacement. CE. Routeco Stock: 0 Pricing/Availability request. For those who work in industrial automation, the 1756 Ia16 Wiring is an important element of any installation. 02. Santa Clara Systems carries 53,370 items from Allen Bradley. Bulletin 1756 ControlLogix® digital I/O modules come in a variety of voltages, provide eight to 32 points, include point-level output fault states, and offer isolated and non-isolated types. ATEX. $85. It features Sixteen (16) individually isolated input channels. 1756-A17/C, 1756-A17K/C, 1756-A4LXT/B, 1756-A5XT/B, 1756-A7LXT/B, 1756-A7XT/B, 1756-A7XT/C, 1756-A10XT/C The ControlLogix® system is a modular system that requires a 1756 ControlLogix chassis. IECEx Scheme. Common Module Features Chapter. Also known as: 889508095844, 5094-IB16S Specifications Mounting: Chassis Type: Safety, I/O Module, Input Volts DC Range: 10 Amps Range: 0. 7 s max, reference to the coordinated system time. Estimated Lead Time : Usually ships in 1 - 10 working days. They also include on-board data alarming and provide real-time channel sampling. 5962 Welcome! Allen-Bradley 1756-IB16 User Manual (258 pages) ControlLogix Digital I/O Modules. all undimensioned geometriesAllen-Bradley 1756-IB16D ControlLogix Diagnostic Input Module 10-30VDC 16P Ser A. Please review the product label to check for the certifications your specific product carries. o. The 1756-IB16S and 1756-OBV8S modules are only compatible with a 1756 ControlLogix Chassis, Series C. Provides thermocouple and RTD modules. 4. Safety. Santa Clara Systems specializes in hard-to-find parts. 1756-TD002 Find more technical documentation for this product in the Technical Documentation Center. . Please review the product label to check for the certifications your specific product carries. 2773 posts. 1756-IB16S. The 1756-IB16S and 1756-OBV8S modules are only compatible with a 1756 ControlLogix Chassis, Series C. Allen Bradley 1756-L81ES GuardLogix 5580 Safety Controller, 3MB Standard Memory and 1. Details SKU: 1756-IB16S Manufacturer: Allen-Bradley Category: Industrial automation components Availability: available. This release includes the following system features. Total backplane power. Allen-Bradley / Rockwell Automation POINT I/O 4 Point Digital Input Module 1734-IM4 Specs. Add to BoM. 226, 234 Due to the higher internal power dissipation of the 1756-OBV8S module, do not install the 1756-OBV8S module next to. ControlLogix. It has a preferred availability of ACTIVE and supports various. Products sold before or after this date might carry different certifications. Check part details, parametric & specs updated 13 SEP 2023 and download pdf datasheet from datasheets. Products sold before or after this date might carry different certifications. Preferred Availability Control Logix Safety IO Module. Please review the product label to check for the certifications your specific product carries. 1756-IB16S a 1756-OBV8S _®YÎlF 1756 ControlLogix f gâ gâ^²n C z^Qæ^Ò {>{^Y/WÎWê. Current Draw @ 24V: 2 mA. 1756-IB16K Ser A. Diagnostic Module Features Chapter. Important User Information Solid-state equipment has operational characteristics differing from those of electromechanical equipment. 1756-UM058H-JA-P - May 2015 3 変更内容 本書には新しい情報と更新情報が記載されています。 項目 参照ページ 2 Rockwell Automation Publication 1756-IN062E-EN-P - September 2022 ControlLogix DC Digital I/O Modules Installation Instructions ATTENTION: Read this document and the documents listed in the Additional Resources section about installation, configuration and operation of this equipment before you install, configure, operate or Safety. 2V DC; Allen-Bradley 1756-IB16 ControlLogix Input Module can be used with 1756-TBNH or 1756-TBSH Removable Terminal Block Housing. 1756-IF16 Differential Current Wiring Example. 004 (released 9/2018). IECEx Scheme. or Best Offer. 3. 1756-IB16S. The1756-IB16S module is single-channel Point Operation Type only. . Control Logix Safety IO Module. $430. Are you in EU? Call: +44 1782 576800. 16 N. Rockwell Automation Publication 1756-TD002J-EN-P - November 2016 5 1756 ControlLogix I/O Specifications Off-state voltage, max 20V Off-state current, max 2. Find Firmware & Downloads. The Allen-Bradley 1756-IF16 is a ControlLogix analog input module. Brand: Allen-Bradley | Category: Control Unit | Size: 2. Products sold before or after this date might carry different certifications. Firmware Revision Affected by Anomaly Firmware Revision that Provides the Anomaly Correction 1756-IA16 3. The Allen-Bradley 1756-IB16D is a ControlLogix DC digital I/O module. Its input operating voltage is 10 to 31. ATEX. 5MB Safety Memory, USB 2. 1 W @ 60 C (140 F) Thermal Dissipation: 17. This is a 12 to 24 Volts DC sink type module. Best Selling in PLC Processors. This product was certified with the above certifications as of 2023-10-26. The 5094-IB16S and 5094-IB16SXT digital 16-point sinking safety input modules detect input transitions on field devices. . 250V (continuous), basic insulation type, outputs-to-backplane, and output-to-output. Safety Input Module Overview :-. Continue shopping. IECEx Scheme. 226, 234 Due to the higher internal power dissipation of the 1756-OBV8S module, do not install the 1756-OBV8S module next to. ControlLogix 16 Point A/I Module. CE. Input voltage, nom: 24V DC. Both catalogue numbers are certified to. 131 maximum. Buy 1756-IB16S / 1756-IB16S Allen Bradley Input Module | Controllogix from Distributor Santa Clara Systems. Safety. Place any module into any. This product was certified with the above certifications as of 2023-11-09. and may not be used, copied or disclosed to others, except with the authorized written permission of rockwell automation, inc. ATEX. Catalog #: 1756-IB16. Description: ControlLogix Input Module, 10-31 VDC, 16 Points (20 Pin). This product was certified with the above certifications as of 2023-11-16. Includes on-board data alarming. Add to basket. The module channels are pre-configured and fixed. Common Module Features Chapter. from China. Order international: +1 609. With the 1756-IA16 wiring module, you can be sure that your system is running smoothly and safely. Catalog Numbers 1756-A4, 1756-A4K, 1756-A7, 1756-A7K, 1756-A10, 1756-A10K, 1756-A13, 1756-A13K, 1756-A17, 1756-A17K, 1756-A7XT, 1756-A10XT Product Overview The ControlLogix® system is a modular system that requires a 1756 ControlLogix chassis. The 1756-IB16S digital safety input module is manufactured by Allen-Bradley to ensure that ControlLogix and GuardLogix control systems operate safely. Australian RCM. 2V DC. ATEX. A ControlLogix Input Module 10-31VDC 16-P 20 Pin. 02. Please review the product label to check for the certifications your specific product carries. . Lifecycle status: ACTIVE. ControlLogix 16 Pt 12/24V DC D/I Module. Allen-Bradley Digital DC Input Modules 10-31 VDC Input 16 Pts (20 Pin) Add to cart. Verified by one of the following dielectric tests: 1200V AC for 1 s or 1697V DC for 1 s 75V DC working voltage (IEC Class 2 reinforced insulation) Redundancy. Get Support. Rockwell Automation Publication 1756-RM012F-EN-P - November 2022 7 Preface About This Publication This manual describes the GuardLogix® 5580 and Compact GuardLogix 5380 controller systems, which are type-approved and certified for use in safety applications as detailed in SIL Certification on page11. Get Support. 1756 if16 wiring diagramThe Allen-Bradley 1756-TBCH is a Removable Terminal Block (RTB) for 1756 I/O modules. Operating voltage range: 10 31. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1. 00. Input voltage, nom : 24V DC. Choose from our overstock inventory and save on 1756-IB16 . Manufacturer : Allen-Bradley. PUBLICATION NUMBER. China CCC. . Alternate Part Number 1756IA32. Allen-Bradley 1756-IB16 Allen-Bradley 1756-IB16 ControlLogix 16 Pt 12/24V DC D/I Module Y Manufacturer: Rockwell Automation Catalog #: 1756-IB16 Revere Part #: 7955 UPC: 612598171293 UNSPSC: 32151705; CPN: Min Order Qty: 1 Qty. See all. . 234 ControlLogix AC Digital I/O Modules Installation ControlLogix DC Digital I/O Modules Installation 1756-IB16S, 1756-IB16SK Installation 1756-OBV8S, 1756-OBV8SK Installation 1756-OX8I, 1756-OX8IK, 1756-OW16I, 1756-OW16IK Installation. com, a global distributor of electronics components. . The 1756-IF16 wiring diagram is designed specifically for the 1756-IF16 control module. 9% Positive feedback Contact seller. show selections show by category show all versions. 800. User Manual. Reviews (0)Rockwell Automation Publication 1756-TD002J-EN-P - November 2016 23 1756 ControlLogix I/O Specifications Technical Specifications - 1756-IB16I Attribute 1756-IB16I Inputs 16 individually isolated Voltage category 12/24V DC sink/source Operating voltage range 10…30V DC Input voltage, nom 24V DCSafety. Availability: Forward delivery 4-6 weeks. ^Îgógâk* 10, 25 Ü ê º b E ê º 1oo2 One out of Two z]bRþ\ a Q W«zb m l sîw¾]j\ò. China CCC; CE; IECEx Scheme; ATEX; This product was certified with the above certifications as of 2023-10-12. ALLEN BRADLEY SLC5001746-1B16. 3x18. Please review the product label to check for the certifications your specific product carries. Find a Distributor. Skip to the end of the images gallery . We Offer Fast Same-Day Shipping Today! Click to Check if In-Stock. Table of Contents. Allen-Bradley 1756-IB16S Allen-Bradley 1756-IB16S Control Logix Safety IO Module Manufacturer: Rockwell Automation MFR Part #: 1756-IB16S Revere Part #: 1139923 UPC: 19132635354 UNSPSC: 32151705; CPN: Min Order Qty: 1 Qty. CE. 800F-N3W. 1756-TD002. 1756-OBV8S A . Find Product Drawings. Please review the product label to check for the certifications your specific product carries. 00. Isolation voltage. Not in Europe? Call: +1 800. Allen-Bradley. IECEx Scheme. It has 16 single-ended inputs and is current and voltage. When the external input contact is closed, a test pulse is output from the test output terminal to diagnose the field wiring and. 1756-IB16S Allen-Bradley. Rockwell Automation Test Report no. 35. 5 mA On-state current, min 5 mA @ 74V AC On-state current, max 16 mA @ 132V AC Inrush current, max 250 mAMódulos de E/S digitales ControlLogix Números de catálogo 1756-IA8D , 1756-IA16, 1756-IA16I, 1756-IA32, 1756-IB 16, 1756-IB16D, 1756-IB16I, 1756-IB16IF,IECEx Scheme. Based on that status, safety input data and safety input status can be off or on. . Ac 79-132v isolated input module (16 pages) I/O Systems Allen-Bradley 1756-IF8I User Manual. 10 Due to the higher internal power dissipation of the 1756-OBV8S. 2V DC; Allen-Bradley 1756-IB16 ControlLogix Input Module can be used with 1756-TBNH or 1756-TBSH Removable Terminal Block Housing. 16 diagnostic inputs, with 4 points in a group, are available for this particular input module. Includes on-board data alarming. 4 as defined in IEC 61508, IEC 61511,CE. If you need a specific 1756-IB16 series, then we probably have it. It plugs into the front of an I/O module. Quickly access technical documents for Allen-Bradley Bulletin 1756 ControlLogix I/O and chassis-based communication modules. Allen-Bradley® catalog item 1756-IB16D from Rockwell Automation® is a 10-30 V DC ControlLogix digital input module with 16 points. 1756-IB16S. Allen-Bradley® catalog item 1756-OB16E from Rockwell Automation® is a 10-31 V DC, 16-point ControlLogix digital output module. Buy online now with next day delivery available for in stock products. IECEx Scheme. Fast product valuation. ATEX. Allen Bradley. 2V DC Cyclic update time 200 s…750 ms Change of state Software configurable Timestamp of inputs ±200 μs 1756-ib16s 模块为 16 点灌入型安全输入模块。 在 ControlLogix® 机架中使用安全模块可在安全控制网络上提供满足以下要求的 安全 I/O，该等要求包括如 IEC 61508、IEC 61511、IEC 62061 和 ISO 13849-1 中所规定的 SIL 3 和 PLe、类别 4 及以下的要求。 China CCC. 2 Rockwell Automation Publication 1756-IN064E-EN-P - December 2022 ControlLogix AC Digital I/O Modules Installation Instructions ATTENTION: Read this document and the documents listed in the Additional Resources section about installation, configuration and operation of this equipment before you install, configure, operate or maintain this product. 24 x 0. Offers scaling to engineering units. Allen-Bradley 1756-IB16S Control Logix Safety IO Module Manufacturer: Rockwell Automation MFR Part #: 1756-IB16S Revere Part #: 1139923 UPC: 19132635354 1756-IB16. Loading. Find a Distributor. Add to Cart. High resolution analog i/o modules (226 pages) I/O Systems Allen-Bradley ControlLogix 1756-IH16ISOE Installation Instructions Manual. Choose from our overstock inventory and save on 1756-IB16 . Surplus Never Used and Used 1756-IB16K by Allen Bradley PLC. 10 1756-OBV8S _®YÎl^ Uºb m]+ f gêlz XZ V S6 ZR`>jÖ1756-OBV8S sîw¾]j\òU v»gæ _®YÎ k jÖ _®YÎlJ f*s^z^nÆ. Surplus Never Used and Used 1756-OA16I by Allen Bradley PLC in Stock today! We carry the entire ControlLogix series. Kirby Risk #: 3449240 | UPC #: 00191326353540, 19132635354. Brand: Allen-Bradley | Category: Control Unit | Size: 2. Certifications. Project. Register this Product. Voltage mode = 6. 5094-IM8, 5094-IM8XT Installation Download. Digital I/O Type Description Diagnostic These modules provide diagnostic features to the point level. Gains up to 45% capacity when using the 5580 controller. PUBLICATION NUMBER. . ) Isolation voltage. ControlLogix 16 Pt 12/24V DC D/I Module. . Part Number 1756-IA32. to avoid the risks of unauthorized and counterfeit products. a Add To Cart. 70 repair yours $593. . Order international: +1 609. . CE. CE. £75. 4 as defined in IEC 61508, IEC 61511, CE. SOP. PUBLICATION NUMBER. 288. 2v input module. Lifecycle status: ACTIVE. Add to basket. The module's purpose is to ensure the safe operation of ControlLogix and GuardLogix control systems. The 1756-IB16S and 1756-OBV8S modules are only compatible with a 1756 ControlLogix Chassis, Series C. Add to Wish List Add to Compare. Product. On Back Order. Diagnostic Module Features Chapter. 5500. 5094-IJ2I, 5094-IJ2IXT Installation Download. If you need a specific series relating to 1746-IB16, we probably have it. ControlLogix 16 Point Digital Input. Lifecycle status: ACTIVE. Rockwell Automation Publication 1756-TD002J-EN-P - November 2016 5 1756 ControlLogix I/O Specifications Off-state voltage, max 20V Off-state current, max 2. . It is compatible for use with any ControlLogix chassis and uses the 1756-TBCH and 1756-TBS6H. Wiring 1769 1756 ia16 1756 ow16i wiring diagram – letterlazd 1756 ia16i wiring. $326. Find Product Drawings. Catalog #: 1756-IB16S. 5 mA On-state current, min 5 mA @ 74V AC On-state current, max 16 mA @ 132V AC Inrush current, max 250 mARockwell Automation Publication 440N-IN018D-EN-P - May 2023 3 SensaGuard Rectangular Flat Pack (Series B Models Only) Installation Instructions Diagnostics1756-ENBT. 1756-TD002. in the tools and supplies, misc products category. to avoid the risks of unauthorized and counterfeit products. 00. 90-140v dc sequence of events input. Products sold before or after this date might carry different. 1769 If8 Module Doesn T Read My. 35 kg. IECEx Scheme. Offers scaling to engineering units. Controller: Auxiliary Products. ATEX. 1756-IB16 CONTROLLOGIX 16 PT 12/24V DC D Input Module,ControlLogix,DC Digital,16 Point, 10-31VDC,Current Sinking,Input and Communication Status and Module Health Display, Technical Specifications Technical Specifications. 2. The 1756-IB16 is an I/O module from ControlLogix DC series with a 16-point input type, a voltage category of 12/24 Volts DC sink, and an operating voltage range of 10 to 31. ATEX. Products sold before or after this date might carry different certifications. This safety module requires an operating voltage of 18 to 32 volts DC. ControlLogix 16 Isolated Point Module. 2 Rockwell Automation Publication 1794-IN093H-EN-P - July 2023 FLEX I/O Digital Input Modules Installation Instructions ATTENTION: Read this document and the documents listed in the Additional Resources section about installation, configuration and operation of this equipment before you install, configure, operate or maintain this product. The type of module determines. . $23. 1756-OB16D. Check part details, parametric & specs updated 15 OCT 2023 and download pdf datasheet from datasheets. TYPE. 1756-IB16S. Products sold before or after this date might carry different certifications. Includes on-board data alarming. 3. Wire the 1756-IF16 Module. a Add To Cart. ATEX. Safety. Control Logix Safety IO Module, 16 Sinking Safety Inputs, IP20, 24VDC. F2LQ10272-02E, F2 Labs EMC Test Report for GuardLogix 5580 Safety Controller, Issue CE. Offers electronic module keying, and is software configurable. 4. The chassis are designed for only horizontal back-panel mounting. 1756-IB16S | Allen Bradley Control Logix Safety IO Module. Products sold before or after this date might carry different certifications. This digital safety input module is available with 16 sinking inputs. Flag. 100% insured shipping: A guarantee for your. Find a Distributor. Products sold before or after this date might carry different certifications. Find more technical documentation for this product in the Technical Documentation Center . Please call or email us your request. 1756-IB16: Product Name ControlLogix 16 Pt 12/24V DC D/I Module: Data Acquisition Input Module Unlock Full Specs to access all available technical data Similar Products. To install the module, see publication 1756-IN050. Products sold before or after this date might carry different certifications. 11407 SW Amu St. . Select Files Firmware Only 1756-OBV8S (series A) 1. Technical Data. 1756 ControlLogix Analog I/O Modules. ) 10-31 VDC Input 16 Pts (20 Pin)The specifications for the 1756-IF8I, 1756-IRT8I, 1756-OF8I, 1756-IR12 and 1756-IT16 include: Attribute 1756-IF8I – Input 1756-IRT8I – Input 1756-OF8I – Output 1756-IR12 – Input 1756-IT16 – Input Inputs/ Outputs 8 isolated channels - Any combination of Voltage or Current mode 8 isolated channels-Any combination of RTD or Thermocouple. Based on that status, safety input data and safety input status can be off or on. 2V) input module 1756- IB32 Simplified Schematic +5V 2 1 4 3 GND-0 Group 0 GND Daisy Chain , Diagnostics - 1756- IB32 Attribute 1756- IB32 Change of state Software configurable Timestamp of diagnostics ±200 s Technical Specifications. 1756 ControlLogix Digital Safety I/O Modules Catalog Numbers 1756-IB16S, 1756-OBV8S Important User Information Read this document and the documents listed in the additional resources section about installation, configuration, and operation of this equipment before you install, configure, operate, or maintain this product. Allen-Bradley 1756-IB16S ControlLogix 16-Ch 10-30V DC Safety Input: Full Description: Allen Bradley 1756-IB16S ControlLogix 16-Channel Sinking 10-30V DC Safety Input Module, 36-Pin: UPC / GTIN: 00191326353540: Status: Current Product: Inventory & Prices: PLCH is Not Authorized Distributor of this product:Catalog Numbers 1756-PA75R, 1756-PB75R, 1756-PSCA2, 1756-PBXTR, 1756-PSCA2XT, 1756-PAXTR, 1756-PA75RK, 1756-PB75RK, 1756-PSCA2K The redundant power supply system provides additional uptime protection for chassis that are used in critical applications.