pxie-1078 rack mount. Each 1+ S$556. pxie-1078 rack mount

 
 Each 1+ S$556pxie-1078 rack mount  other → Top types Binding machines Boards Calculators Correction media Desk accessories & suppliesMount the PXIe chassis in the rack in the desired position

355. 0 and later) PXIe-8135. Power Cord, AC, U. Product Support Resources. PXI Chassis Rack Mount. e絡盟 Hong Kong offers special pricing, same day dispatch, fast delivery, wide inventory, datasheets & technical support. 45 mm (1. Ensure that the ejector handle is in the downward (unlatched) position. PXI Chassis Rack Mount. National Instruments PXIe-1078 9-Slot, Up to 1. You previously purchased this product. In Auto mode the chassis fan control system uses intake air temperature as the input for controlling the speed of the fans, which provides improved acoustic performance. CHROMA A662010 RACK MOUNT KIT FOR 1-UNIT OF MODEL-66203/66204: Singapore: Banglore Air Cargo: NOS: 1: 13,043: 13,043: Nov 17 2016: 83025000: SRX320-RMK1 SRX320 RACK MOUNT (W/O ADAPTOR TRAY) [MOUNTING KIT] Hong Kong: Chennai Air Cargo: NOS: 1: 1,316: 1,316: Nov 17 2016: 83025000: FPM-3151G-RMKE LCD. Pxi express (65 pages). 75 GB/s Chassis Power Supply Type AC Dimensions 6. System Controller Slot. Front and rear rack-mount kits are available for 19 in. Date HS Code Description Origin Country Port of Discharge Unit Quantity Value (INR) Per Unit (INR) Nov 18 2016: 83025000: CHROMA A662010 RACK MOUNT KIT FOR 1-UNIT OF MODEL-66203/66204following list. Please note that the glyphs are also shown in the upper right hand corner of any PXI or PXIe card, adjacent to the fixing screw. PXIe-1088 Chassis Rack Mount —The PXIe-1088 Rack Mount Kit helps you mount the PXIe-1088 Chassis in a rack. PXI Chassis Rack Mount. This page documents all the applicable standards and certifications for the PXIe-1078 Rack Mount and provides downloadable certifications. 75"H. Maximum total usable power is 300 W. Thanks!Rack Mount Kits Rack mounting kits are available from National Instruments that can accommodate a variety of rack depths. Add. I am using PXIe 4331 to read load cells and strain gages. Sales 03447 11. Notice that the front and rear chassis mounting holes (size M4) are symmetrical. The first is a hanging racks where the bikes sit upright. NI offers a variety of PXI and PXI Express chassis for automated test and automated measurement applications, which are designed and validated to meet or exceed the cooling requirements for. 8. The NI PXIe-1082 eight-slot chassis features a high-bandwidth backplane to meet a wide range of high-performance test and measurement application needs. PXIe-8133. Page 13: Ni Pxie-1065 Chassis Backplane Overview NI PXIe-1065 Chassis Backplane Overview This section provides an overview of the backplane features for the NI PXIe-1065 chassis. The second type of bike rack is a platform rack where. PXI Chassis Rack Mount. e. Keysight DMMs, Data Acquisition/Switch Units, Frequency Counters, Function Generators most E3600 power supplies and other 2-slot, half rack sized. Industries. Handle/Feet Kit. 00. The PXIe-1078 features a backplane that incorporates a PCI Express connection to every slot to meet a wide range of test and measurement application. A valid service agreement may be required. Regardless of the configuration you must provide the cooling clearances as outlined in the following sections. Buy 787525-01 - Ni - Rack Mount Kit, PXIe-1088 Chassis. Trigger route types are dynamic (the default), Away from Bus 1, Away from Bus 2, and Away from Bus 3. The cable plugs are reversible, and there is no defined upstream or downstream port on the PXIe-1083. NI PXIe-1071: Power Cord, 240V, 10A, North American 763068-01 No. From troubleshooting technical issues and product recommendations, to quotes and orders, we’re here to help. NI PXI-8513 1-port software-selectable NI-XNET CAN interface, PXI (1 per cart). Chassis National Instruments PXIe-1078 User Manual. Rear View of the NI PXIe-1078 Chassis NI PXIe-1078 User Manual ni. Product Compliance Certificate Download Product Compliance Certificate. Front, 14-Slot/18-Slot, PXI Chassis Legacy Rack Mount —The PXIe-1045 Rack Mount helps you mount the PXIe-1045 Chassis (Legacy) in a rack. Rack Mount Kit, Pxi Chassis; Accessory Type:Rack Mount Kit; For Use With:Ni Pxie-1078 And Pxie-1088 Chassis; Product Range:- Rohs Compliant: Yes |Ni 781634-01. Length: Regular or extended. This page documents all the applicable standards and certifications for the PXIe-1078 Rack Mount and provides downloadable certifications. Page 13: Optional Equipment Optional EMC filler panel kits are available from National Instruments through part number 778700-01. Each 1+ RM2,513. You may want to remove the feet or carrying handle from the PXIe-1095 Note chassis when rack mounting. Electrical. This means that with older chassis firmware, a PXIe module has the protentional to not show up in NI-MAX regardless of the slot position when used with a PXIe-8360 remote controller. This page documents all the applicable standards and certifications for the PXIe-1078 Rack Mount and provides downloadable certifications. PXI Chassis Rack Mount. The rack mounting kits can be found by Configuring A Custom NI System. Unique colors, input cord plugs and outlet configurations done simply and delivered to specification. 8 kS/s Sound Vibr. Due to the sampling rate limitation in the 4330 cards described in this Kno. com Worldwide Offices…Will the rack mount kit for the PXI-103X and PXIe-107X chassis fit on a full size 19" instrument rack? Solution Yes, the rack mount kit is designed to mount the 4-slot chassis to a full 19" instrument rack. 본 페이지는 PXIe-1078 랙 마운트 의 치수도면을 제공합니다. 75 GB/s PXI Chassis. The NI PXIe-1078 nine-slot and NI PXIe-1071 four-slot chassis can be used with PXI Express modules and controllers with the flexibility of backward compatibility with existing PXI modules. The PXIe‑1071. Notes. Farnell Ireland offers fast quotes, same day dispatch, fast delivery, wide. NI. Midperformance Up to 250 MB/s per-slot bandwidth and 1. The holes shown are for the installation of the optional rack mount kits. This document contains specifications for the PXIe-1083 chassis. PXIe, 18-Slot (9 PXI Slots, 4 Hybrid Slots, 3 PXI Express Slots, 1 PXI Express System Timing Slot), Up to 3 GB/s PXI Chassis —The PXIe‑1065 is designed for a wide range of test and measurement applications and provides a high-bandwidth backplane. Find complete product documentation to learn how to get started and use the product. Rack Mount Kit NI PXIe-1078 and PXIe-1088 Chassis - AC68BRAC3 2843714 Data Sheet + RoHS. PXI Chassis Rack Mount. Newark. The default for n is 1, giving PXIe_SYNC100 a 100 ns period. Choose from numerous features to suit your application and instrumentation needs, including NVMe SSDs, high-speed transfer capability, and affordable bulk storage. PXIe-1078; Click "View Product Detail" i. View in Order History. PXI Chassis Rack Mount. Product Support Resources. The PXIe-1088 chassis combines a high-performance 9-slot PXI Express backplane with a power supply and a structural design that has been optimized for maximum usability in a wide range of applications. 返回首頁; Toggle navigation; Solutions. Refer to the instructions supplied with the rack mount kits to install your NI PXIe-1078 chassis in an instrument rack. This page documents all the applicable standards and certifications for the PXIe-1078 Rack Mount and provides downloadable certifications. 1+ £433. The hybrid connector type in every peripheral slot enables the most flexibility in terms of instrumentation module placement. Select the Chassis tab along the top of the adviser and select your specific chassis. LOW POWER. Refer to Figure A-3, NI Chassis Rack Mount Kit Components. Method 1. Rack mount kit for PXI 1088 and PXI 1092. Weight (kg): 4. View online or download National instruments NI PXIe-1078 User Manual, Installation Manual. The PXIe-1078 features a backplane that incorporates a PCI Express connection to every slot to meet a wide range of test and measurement application needs. The PXIe-1088 chassis combines a high-performance 9-slot PXI Express backplane with a power supply and a structural design that has been optimized for maximum usability in a wide range of applications. From troubleshooting technical issues and product recommendations, to quotes and orders, we’re here to help. PXI Chassis Rack Mount—The PXIe-1078 Rack Mount helps you mount the PXIe-1078 or PXIe-1088 PXI Chassis in a rack. book Page i Monday, December 23, 2019 10:44 AM PXI Chassis Rack Mount. NI PXIe-1071: Power Cord, 240V, 10A, North American 763068-01 No accessories required. 2 mm (6. 5 inches) in 20 mm steps. A valid service agreement may be required. Academic and Research; Aerospace, Defense, and Government; Electronics; Energy; Industrial Machinery; Life Sciences. Author. 35. 120 VAC). Input rating 100 VAC to 240 VAC, 50 Hz/60 Hz, 6 A to 3 A Operating voltage range. Guaranteed | (888) 88-SOURCE | DUAL VHDCI Connector PCB Circuit Boards National Instruments 780390-01. S. This page provides dimensional drawings for the PXIe-1078 Rack Mount. From troubleshooting technical issues and product recommendations, to quotes and orders, we’re here to help. 1. Technical. PXIe-1078 This document includes specifications for the PXIe-1078 chassis. From troubleshooting technical issues and product recommendations, to quotes and orders, we’re here to help. National Instruments will, at its option, repair or replace equipment that proves to be defective during the PXIe-1088 Chassis Rack Mount. * 8. Return to Home Page; Toggle navigation; Solutions. From troubleshooting technical issues and product recommendations, to quotes and orders, we’re here to help. Provides support for NI data acquisition and signal conditioning devices. National Instruments Corporation 781634-01 NI PXIE-1078 Rack Mount Kit. 6 mm (14 in. PXI-103x and PXIe-107x Rack Mount Kit 778948-01 No accessories required. Open a service request. Part Numbers: 199485C-01L, 199485F-01L, 199365F-01L, 781622-01. . Note: If you want to mount a PXI Chassis. Rack Mount Kit, Front, PXI-1045, PXI 14/18-Slot Chassis. Free shipping. Power Supply Intake 3. Our patented clamp design makes installation easy, with no drilling required! Great for various box lengths, as all stands can. DC Output. From troubleshooting technical issues and product recommendations, to quotes and orders, we’re here to help. Caution If the PXIe-1078 chassis is used in a manner inconsistent with the instructions or specifications listed by National Instruments, the protective features of the chassis may be impaired. Part Number: 191123B-01, 778948-01, 191123C-01. Rack Mount Kit. From troubleshooting technical issues and product recommendations, to quotes and orders, we’re here to help. ContentsThis page documents all the applicable standards and certifications for the PXIe-1088 Rack Mount Kit and provides downloadable certifications. NI-VISA. . PXIe, 18-Slot (5 Hybrid Slots, 11 PXI Express Slots, 1 PXI Express System Timing Slot), Up to 24 GB/s PXI Chassis. This solution might also apply to other similar products or applications. Product Compliance Certificate Download Product Compliance Certificate. The second option is a rear rack mount kit. The NI PXIe- 1078 offers the flexibility to populate each peripheral slot with a PXI Express module or populate up to five slots with PXI modules. Academic and Research; Aerospace, Defense, and Government; Electronics; Energy; Industrial Machinery; Life Sciences. Electrical. Connecting the chassis to my 7740 causes system crash and BSOD with “Driver Verifier DMA Violation”. Refer to the following article for information on Using a PC to control a PXI Embedded. This page documents all the applicable standards and certifications for the PXIe-1078 Rack Mount and provides downloadable certifications. PXIe-1078; Click "View Product Detail" i. Product Compliance Certificate Download Product Compliance Certificate. Standard Package. The NI PXIe- 1078 offers the flexibility to populate each peripheral slot with a PXI Express module or populate up to five slots with PXI modules. e. 8 kS/s Sound Vibr. Support Library. Support Library. Buy 781634-01 - Ni - Rack Mount Kit, PXIe-1078 and PXIe-1088 Chassis. Each 1+ £477. PXI Chassis Rack Mount. Explore a wide range of support content,. PXI-103x and PXIe-107x Side handle and rubber feet kit 781482-01 No accessories required. 49. From troubleshooting technical issues and product recommendations, to quotes and orders, we’re here to help. Note: If you want to mount a PXI Chassis from the rear side only, you must still use the front mount kit. Page 2 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 683 0100 For further support information, refer to the Technical Support and Professional Services. A PXI (e) chassis can be connected to a PC using a pair of PXI (e) and PCI (e) cards as shown below : Acquire a PXI (e) controller set that is compatible with your system: Refer to the PXI Remote Control Module shop page for a list of PXI/PXIe Controllers. : 13AJ3999 Your Part No: ECAD / MCAD Product Information Accessory Type: Rack Mount Kit For Use With: NI PXIe-1078 and PXIe-1088 Chassis Product Range: - The complete list of accessories for the National Instruments NI PXIe-1078 PXI Chassis includes the following part numbers: 763068-01 (a 240V, 10A power cord), 781622-01 (a 9- slot PXI Express Chassis), 781482-01 (PXI-103x and PXIe- 107x side handle rubber kit), 781634-01 (Rack Mount Kit), and 763000-01 (Power Cord, A. 8. The NI PXIe-1082 has several optional accessories for complete system integration and optimized chassis functionality. Product Support Resources. Note Specifications are subject to change without notice. Select the Chassis tab along the top of the adviser. NI Product Documentation Center. Product Compliance Certificate Download Product Compliance Certificate. Fast Quotes & Shipping. Starting Hard Drive: 250GB Solid State Drive - M. or Best Offer. PXIe-1088 Chassis Rack Mount. 13. Mount . The cables have no polarity, so you can connect either end to either Thunderbolt port. This page documents all the applicable standards and certifications for the PXIe-1078 Rack Mount and provides downloadable certifications. i. PXI slot 2: PXIe-2525 Multiplexer board. 18 SLOT. Provides support for Ethernet, GPIB, serial, USB, and other types of instruments. Pxi express (41 pages) Chassis National Instruments PXI EXPRESS PXIe-1095 User Manual (61 pages). National instruments NI PXIe-1078 Pdf User Manuals. The complete list of accessories for the National Instruments NI PXIe-1078 PXI Chassis includes the following part numbers: 763068-01 (a 240V, 10A power cord), 781622-01 (a 9- slot PXI Express Chassis), 781482-01 (PXI. Order today, ships today. Rack Mount Kit, PXIe-1078 and PXIe-1088 Chassis. Weight (kg): 1. Industries. Industries. Industries. PXIe-1078 Rack Mount Issue Details I need to know the part number for the Mount Kit for the PXI-1078. This page provides dimensional drawings for the PXIe-1078 Rack Mount. Brand: NI. Industries. per page . Work with our experts to sustain your critical applications. The hybrid connector type in every peripheral slot enables the most flexibility in terms of instrumentation module placement. Free shipping. 1. 本指南旨在解决与通过NI MXI-Express硬件将PXI或PXI Express系统连接至主机相关的问题。 准备工作 在开始之前,请确保已正确遵循硬件的安装说明。 MXI-Express x1用户手册 MXI-Express x4用户手册 MXI-Express Gen II x8系列用户手册 MXI-Express Gen-3 x16用户手册和规格 MXI-Express光纤电缆入门指南 本指南的范围 由于MXI. PRT STP IGS Product Support Resources. 08-04-2021 08:54 AM. This model accepts PXI Express modules in every slot and supports standard PXI hybrid-compatible modules in as many. NI-DAQmx. The NI PXIe-1065 backplane supplies the PXI 10 MHz system clock signal (PXI_CLK10) independently driven to each peripheral slot, and PXIe_CLK100 and PXIe_SYNC100 to the PXI Express slots, hybrid slots, and system timing slot. S. This page provides dimensional drawings for the PXIe-1078 Rack Mount. 1. 我正在使用PXIe-8301并通过雷电接口(Thunderbolt)将PXI机箱连接到我的笔记本电脑,但无法在MAX中显示机箱。该如何找到我的机箱? 我通过雷电接口连接的机箱在NI MAX中显示为原始设备信息代码(通常带有短划线,其后跟随大量随机数)。SPECIFICATIONS PXIe-1078 This document includes specifications for the PXIe-1078 chassis. This page documents all the applicable standards and certifications for the PXIe-1078 Rack Mount and provides downloadable certifications. The first option is a pair of mounting brackets for use on the front of the chassis. NI. Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports. Return to Home Page; Toggle navigation; Solutions. Image is for illustrative purposes only. You can also obtain the part number by clicking on the right hand side to "Save to Part List" or you. This document contains specifications for the PXIe-1088 chassis. The PXIe-1095 by National Instruments is In Stock & Ready to Ship at Apex Waves. You previously purchased this product. PXI Chassis Rack Mount. Fax: (240) 376-1381. Add. Slot6: PXI-4462. National Instruments PXIe-1078 9-Slot, Up to 1. This model features an auto/high temperature-controlled fan speed that minimizes audible noise. The second option is a rear rack mount kit. We would like to purchase its respective rack mount bracket kits. NIについて. PXI Chassis. Synchronize the power down states between my PXI chassis and a rack-mount controller. 5 A Operating voltage range. Failing devices are CAN module and a DMM. Refer to Figure A-3, NI Chassis Rack Mount Kit Components, for more information. 8. This page provides dimensional drawings for the PXIe-1078 Rack Mount. ni. This page documents all the applicable standards and certifications for the. It accepts PXI Express modules in every slot and supports standard PXI hybrid-compatible modules in up to. Weight (kg): 1. 43 in. . com. エンジニアはNI PXIを使用して、検証と製造テストのための高性能な複合測定システムを構築. The NI PXIe-1078 chassis kits consist of a low-cost, 9-slot chassis featuring a 4-slot-wide system controller slot, which can accept either an embedded controller or remote controller, and eight. 원하는 항목을 선택하십시오. Control Unit National Instruments PXIe-4340 User Manual. Academic and Research; Aerospace, Defense, and Government; Electronics; Energy. The PXIe-1078 features a backplane that incorporates a PCI Express connection to every slot to meet a wide range of test and measurement application needs. See all Driver Software Downloads. Retrieve a Quote. Email: PXIe-1078 National Instruments PXIe-1078 9-Slot, Up to 1. NI PXIe-1078 Power Cord, 240V, 10A, North American 763068-01 No accessories required. (214. Figure 1. 45 mm (1. 778644-02 NI 14/18-SLOT CHASSIS REAR RACK MOUNT KITS: Hungary: Banglore Air Cargo: UNT: 1: 14,979: 14,979: Oct 03 2016: 83025000: 779019-01 NI 9912 DIN RAIL MOUNTING KIT FOR 4-SLOT CRIO/CDAQ CHASSIS: Hungary: Banglore Air Cargo: NOS: 2: 2,784: 1,392: Oct 03 2016: 83025000: 779558-01 NI 9905 HORIZONTAL PANEL. 3. Its compact and lightweight form factor is ideal for minimizing the footprint of your installation, making it ideal for desktop or portable use cases. Refer to the NI PXI-103x and NI PXIe-1073 Chassis Fan Replacement section for information about previous revisions. Powerful cooling concept with low fan noise and fan speed control. The following section provides information about the PXIe-1088 AC input and DC output. Length: Regular or extended; Bracket Type: L-shaped or extended; As described in the PXIe 18-Slot Chassis Rack Mount Installation Guide, the various configurations allow installation in a rack of varying depths, from 18. PXI Express PXIe-1078 User Manual PXIe-1078 User Manual December 2019 373204D-01 PXIe1078UM. NI PXIe-1071 NI PXIe-1071: Power Cord, AC, U. Description. Open a service request. 1-4 | ni. Page 19 PXIe-1095 User Manual Figure 9. Academic and Research; Aerospace, Defense, and Government; Electronics; Energy; Industrial Machinery; Life Sciences. Product Support Resources Support Library Explore a. Return to Home Page; Toggle navigation; Solutions. Explore a wide range of support content, including examples and troubleshooting information. PXI Chassis Rack Mount. ) 177. Rack Mount Kit NI PXIe-1078 and PXIe-1088 Chassis 778644-01 3621233 Data Sheet + RoHS. Manuals. Manuals. AC Input. Refer to the following article for information on Using a PC to control a PXI Embedded. The PXIe‑1071 is designed for a wide range of test and measurement applications and provides a high-bandwidth backplane. 75 in. If I remove the 3 cards in slots 5-7 my computer does not crash. Ultimately, each front and rear rack mount come in 2 flavors. PXI slot 1: PXIe-8301 USB-C controller board. 1. It accepts PXI Express modules in every slot and supports standard PXI hybrid-compatible modules in. PXIe-1083 Chassis Rack Mount—The PXIe-1083 Rack Mount Kit helps you mount the PXIe-1083 Chassis in a rack. 6 mm (14 in. Weight (kg): 1. Front/Rear, 18-Slot, PXIe-1084 Chassis and PXIe-1095 Chassis Rack Mount. i. Technical. Explore a wide range of support content, including examples and troubleshooting information. 1. PXI Express NI PXIe-1078 User Manual NI PXIe-1078 User Manual December 2012 373204C-01 Artisan Technology Group - Quality Instrumentation. View in Order History. NI. 49. The key features of the NI PXIe-1078 chassis include the following: • Accepts 3U PXI Express, Compact PCI Express, and hybrid slot-compatible PXI-1/CompactPCI modules. 2. Re: Powering up a PXI express chassis PXIe1078. i. 1-4 | ni. $8. Min: 1 Mult: 1. 0GHz/10W, Turbo 2. Product Family: 5999-01-681-3551, 5999016813551. National Instruments Corporation 781634-01 NI PXIE-1078 Rack Mount Kit Product Category :To Be Determined Detailed product specification, manufacturer data sheets, prices and availability. RM-4304 Installation and Front Connections To install the cables, complete the following steps while referring to Figures 3 and 6. PXI Chassis Rack Mount. View in Order History. Page 1 PXI Express NI PXIe-1073 User Manual NI PXIe-1073 User Manual February 2011 372768B-01. Total usable power derates linearly to 288 W from 40 °C to 50 °C operating ambient temperature range. I've installed PXI Platform Services 2022 Q3. The PXIe‑1073 is designed for a wide range of test and measurement applications and provides an integrated MXI‑Express controller. Pricing and Availability on millions of electronic components from Digi-Key Electronics. 781634-01 – Specialized Rack Mount for use with PXIe-1078, PXIe-1088 from NI. The PXIe‑1071 is designed for a wide range of test and measurement applications and provides a high-bandwidth backplane. Product Support Resources. 5 V. It accepts PXI Express modules in every slot and supports standard PXI hybrid-compatible modules in up to four slots. e. Pricing and Availability on millions of electronic components from. 98 in. Rack Mount Kit A rack mount kit option is available for mounting the NI PXIe-1071 chassis into a 19 in. You previously purchased this product. Weight (kg): 1. Return to Home Page; Toggle navigation; Solutions. 91) Restricted Item . NI-3110 (a special version of the hardware is specifically designed to support the NI Real-Time Hypervisor, existing 3110 controllers can not be upgraded) (NI Real-Time Hypervisor 2. NI. book Page i Monday, December 23, 2019 10:44 AM技術的な問題のトラブルシューティングや推奨製品から、見積りと注文まで、弊社がお手伝いいたします。Product Compliance Certificate Download Product Compliance Certificate. If you can get this config utility to run it allows the PXIe MXI board to power up the chassis when you power up the host (if you have a compatible MXI kit). Here's another option that may be closer to what you're looking for. Technical Documents (1) Technical Data Sheet EN Product Overview. element14 Vietnam offers special pricing, same day dispatch, fast delivery, wide inventory, datasheets & technical support. Find complete product documentation to learn how to get started and use the product. Certain National Instruments PXIe chassis' have a fan speed selector switch on the back of the chassis which allows for switching the fan speed between Auto and High. EU & UK Declarations of Conformity (DoC) PDF. other → Top types Binding machines Boards Calculators Correction media Desk accessories & suppliesMount the PXIe chassis in the rack in the desired position. 787136-01. €345. Remove all the modules and try them one at a time, the LED blinking can be related to a module that is failing. Farnell UK offers fast quotes, same day dispatch, fast delivery, wide inventory, datasheets & technical support. , 120 VAC 763000-01 No accessories required. Find complete product documentation to learn how to get started and use the product. PXI Express PXIe-1078 User Manual PXIe-1078 User Manual December 2019 373204D-01 PXIe1078UM. PXI Chassis Rack Mount. 시작할 수 있도록 도와. Caution If the PXIe-1078 chassis is used in a manner inconsistent with the instructions or specifications listed by National Instruments, the protective features of the chassis may be impaired.