{"id":36267,"date":"2026-09-06T23:27:51","date_gmt":"2026-09-06T15:27:51","guid":{"rendered":"https:\/\/pxisource.com\/?post_type=product&#038;p=36267"},"modified":"2026-09-07T15:03:12","modified_gmt":"2026-09-07T07:03:12","slug":"pxie-1066dc","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/pxie-1066dc\/","title":{"rendered":"PXIe-1066DC"},"content":{"rendered":"<h3>PXIe-1066DC 18-Slot Redundant DC PXI Express Chassis<\/h3>\n<p>\u0417\u0435\u043c\u043b\u044f <strong>NI PXIe-1066DC<\/strong> is an 18-slot PXI Express chassis designed for high-availability automated test, measurement and control systems. Built on the PXIe-1065 backplane architecture, it combines PXI, PXI Express and hybrid slot compatibility with redundant DC power supplies and redundant front-accessible cooling fans.<\/p>\n<p>The PXIe-1066DC provides up to <strong>3 GB\/s maximum system bandwidth<\/strong> and up to <strong>1 GB\/s dedicated bandwidth per PXI Express slot<\/strong>. Its mixed-slot architecture supports nine conventional PXI slots, four hybrid slots, three PXI Express peripheral slots and one PXI Express system timing slot.<\/p>\n<p>Hot-swappable power supplies and fan assemblies help reduce system downtime in applications where extended operation and rapid maintenance are important. With both power supplies installed, a failed supply can be removed and replaced while the remaining supply continues powering a suitably configured system.<\/p>\n<p>The chassis accepts a 210 VDC to 300 VDC input and is intended for DC-powered installations such as industrial facilities, transportation systems, telecommunications environments and other applications that use centralized high-voltage DC distribution.<\/p>\n<h3>Key Features of the PXIe-1066DC<\/h3>\n<ul>\n<li>PXI Express \u0448\u0430\u0441\u0441\u0438 \u043d\u0430 18 \u0441\u043b\u043e\u0442\u043e\u0432<\/li>\n<li>One PXI Express system controller slot<\/li>\n<li>Nine PXI peripheral slots<\/li>\n<li>Four PXI Express hybrid peripheral slots<\/li>\n<li>Three PXI Express-only peripheral slots<\/li>\n<li>One PXI Express system timing slot<\/li>\n<li>Up to 3 GB\/s maximum system bandwidth<\/li>\n<li>Up to 1 GB\/s dedicated bandwidth per PXI Express slot<\/li>\n<li>132 MB\/s shared bandwidth for conventional PXI modules<\/li>\n<li>38 W cooling capacity per peripheral slot<\/li>\n<li>Hot-swappable redundant DC power supplies<\/li>\n<li>Hot-swappable front-accessible redundant fans<\/li>\n<li>210 VDC to 300 VDC input range<\/li>\n<li>Low-jitter 10 MHz PXI reference clock<\/li>\n<li>Low-jitter 100 MHz PXI Express reference clock<\/li>\n<li>PXI trigger bus and star-trigger support<\/li>\n<li>PXI Express differential star triggers<\/li>\n<li>External 10 MHz reference clock input and output<\/li>\n<li>Power-supply, fan and temperature monitoring<\/li>\n<li>Remote inhibit and fault-monitoring support<\/li>\n<li>Variable-speed fan control<\/li>\n<li>49.8 dBA quiet operation under specified conditions<\/li>\n<li>0\u00b0C to 50\u00b0C operating-temperature range<\/li>\n<li>NI Measurement &amp; Automation Explorer support<\/li>\n<li>NI System Configuration API support<\/li>\n<\/ul>\n<h2>PXIe-1066DC Technical Specifications<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Product Model<\/th>\n<td>PXIe-1066DC<\/td>\n<\/tr>\n<tr>\n<th>Part Number<\/th>\n<td>781812-01<\/td>\n<\/tr>\n<tr>\n<th>Product Type<\/th>\n<td>18-slot redundant DC PXI Express chassis<\/td>\n<\/tr>\n<tr>\n<th>Total Slot Count<\/th>\n<td>18<\/td>\n<\/tr>\n<tr>\n<th>System Controller Slot<\/th>\n<td>1 PXI Express system controller slot<\/td>\n<\/tr>\n<tr>\n<th>PXI Peripheral Slots<\/th>\n<td>9<\/td>\n<\/tr>\n<tr>\n<th>PXI Express Hybrid Slots<\/th>\n<td>4<\/td>\n<\/tr>\n<tr>\n<th>PXI Express Peripheral Slots<\/th>\n<td>3<\/td>\n<\/tr>\n<tr>\n<th>PXI Express System Timing Slot<\/th>\n<td>1<\/td>\n<\/tr>\n<tr>\n<th>Total PXI Express-Capable Peripheral Slots<\/th>\n<td>8, including four hybrid, three PXIe-only and one system timing slot<\/td>\n<\/tr>\n<tr>\n<th>Maximum System Bandwidth<\/th>\n<td>3 GB\/s<\/td>\n<\/tr>\n<tr>\n<th>Maximum PXI Express Slot Bandwidth<\/th>\n<td>1 GB\/s dedicated<\/td>\n<\/tr>\n<tr>\n<th>PXI Backplane Bandwidth<\/th>\n<td>132 MB\/s shared<\/td>\n<\/tr>\n<tr>\n<th>PXI Express Link Width<\/th>\n<td>Up to x4 per supported PXI Express peripheral slot<\/td>\n<\/tr>\n<tr>\n<th>Slot Cooling Capacity<\/th>\n<td>38 W per peripheral slot<\/td>\n<\/tr>\n<tr>\n<th>Fan Architecture<\/th>\n<td>Redundant, hot-swappable, front-accessible fan assemblies<\/td>\n<\/tr>\n<tr>\n<th>Maximum Fan Speed<\/th>\n<td>Approximately 3,800 rpm<\/td>\n<\/tr>\n<tr>\n<th>Sound Pressure Level<\/th>\n<td>Approximately 49.8 dBA under specified quiet-operation conditions<\/td>\n<\/tr>\n<tr>\n<th>Power-Supply Type<\/th>\n<td>Redundant, hot-swappable DC power supplies<\/td>\n<\/tr>\n<tr>\n<th>DC Input Range<\/th>\n<td>210 VDC to 300 VDC<\/td>\n<\/tr>\n<tr>\n<th>Input Overcurrent Protection<\/th>\n<td>Two 15 A input fuses and one 10 A power-supply fuse; not user replaceable<\/td>\n<\/tr>\n<tr>\n<th>Empty Chassis Power Consumption<\/th>\n<td>Approximately 145 W<\/td>\n<\/tr>\n<tr>\n<th>Redundant Hardware<\/th>\n<td>Power supplies and cooling fans<\/td>\n<\/tr>\n<tr>\n<th>Hot-Swap Capability<\/th>\n<td>Supported for redundant power supplies and fan assemblies<\/td>\n<\/tr>\n<tr>\n<th>PXI Reference Clock<\/th>\n<td>10 MHz<\/td>\n<\/tr>\n<tr>\n<th>PXI Express Reference Clock<\/th>\n<td>100 MHz differential<\/td>\n<\/tr>\n<tr>\n<th>Reference Clock Stability<\/th>\n<td>\u00b125 ppm<\/td>\n<\/tr>\n<tr>\n<th>Onboard Clock Type<\/th>\n<td>VCXO<\/td>\n<\/tr>\n<tr>\n<th>External Clocking<\/th>\n<td>Rear-panel 10 MHz reference input and output<\/td>\n<\/tr>\n<tr>\n<th>PXI \u0422\u0440\u0438\u0433\u0433\u0435\u0440\u043d\u0430\u044f \u0448\u0438\u043d\u0430<\/th>\n<td>PXI trigger lines 0 through 7<\/td>\n<\/tr>\n<tr>\n<th>PXI Star Trigger<\/th>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<th>PXI Express Differential Star Trigger<\/th>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<th>System Timing Slot<\/th>\n<td>\u0414\u0430<\/td>\n<\/tr>\n<tr>\n<th>External Trigger Access Without Module<\/th>\n<td>No<\/td>\n<\/tr>\n<tr>\n<th>Chassis Monitoring<\/th>\n<td>Power supply, voltage, intake temperature, fan health and fan speed<\/td>\n<\/tr>\n<tr>\n<th>Remote Inhibit and Fault Monitoring<\/th>\n<td>Supported<\/td>\n<\/tr>\n<tr>\n<th>Operating Temperature<\/th>\n<td>0\u00b0C to 50\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Dimensions<\/th>\n<td>Approximately 269 mm \u00d7 467 mm \u00d7 477 mm<\/td>\n<\/tr>\n<tr>\n<th>Dimensions in Inches<\/th>\n<td>Approximately 10.59 in. \u00d7 18.39 in. \u00d7 18.76 in.<\/td>\n<\/tr>\n<tr>\n<th>Weight with One Power Supply<\/th>\n<td>Approximately 14.3 kg or 31.5 lb<\/td>\n<\/tr>\n<tr>\n<th>Weight with Two Power Supplies<\/th>\n<td>Approximately 17.1 kg or 37.6 lb<\/td>\n<\/tr>\n<tr>\n<th>Software Configuration<\/th>\n<td>NI Measurement &amp; Automation Explorer and NI System Configuration<\/td>\n<\/tr>\n<tr>\n<th>Lifecycle Status<\/th>\n<td>Discontinued with limited NI support<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>PXIe-1066DC Part Number and Accessories<\/h2>\n<table>\n<tbody>\n<tr>\n<th>Item<\/th>\n<th>Part Number<\/th>\n<th>\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n<tr>\n<td>PXIe-1066DC<\/td>\n<td>781812-01<\/td>\n<td>18-slot PXI Express chassis with redundant DC power architecture<\/td>\n<\/tr>\n<tr>\n<td>Replacement Power Supply<\/td>\n<td>782106-01<\/td>\n<td>Replacement DC power-supply module for the PXIe-1066DC<\/td>\n<\/tr>\n<tr>\n<td>Replacement Fan Assembly<\/td>\n<td>782107-01<\/td>\n<td>Front-accessible replacement cooling-fan assembly<\/td>\n<\/tr>\n<tr>\n<td>Replacement Power Cable<\/td>\n<td>782108-01<\/td>\n<td>Power cable assembly for compatible PXIe-1066DC installations<\/td>\n<\/tr>\n<tr>\n<td>Power-Supply Filler Panel<\/td>\n<td>784057-01<\/td>\n<td>Covers an unused power-supply bay and maintains proper airflow<\/td>\n<\/tr>\n<tr>\n<td>EMC Filler Panels<\/td>\n<td>Configuration dependent<\/td>\n<td>Cover unused peripheral slots to preserve cooling and EMC performance<\/td>\n<\/tr>\n<tr>\n<td>PXI Slot Blockers<\/td>\n<td>Configuration dependent<\/td>\n<td>Improve airflow through populated module slots<\/td>\n<\/tr>\n<tr>\n<td>Front Rack-Mount Kit<\/td>\n<td>Configuration dependent<\/td>\n<td>Secures the chassis to the front rails of a 19-inch equipment rack<\/td>\n<\/tr>\n<tr>\n<td>Rear Rack-Mount Kit<\/td>\n<td>Configuration dependent<\/td>\n<td>Provides additional support for the chassis in rack installations<\/td>\n<\/tr>\n<tr>\n<td>Cable-Management Bracket<\/td>\n<td>Configuration dependent<\/td>\n<td>Supports organized routing of module and system cables<\/td>\n<\/tr>\n<tr>\n<td>Recommended Replacement Chassis<\/td>\n<td>787137-01<\/td>\n<td>Current replacement recommended on the NI product lifecycle page<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The second power supply is essential when the system requires redundant operation. If only one power supply is installed, the unused bay should be covered with the compatible filler panel to preserve airflow and system stability.<\/p>\n<p>Before ordering a used or refurbished PXIe-1066DC, confirm whether the chassis includes one or two power supplies, all fan assemblies, the DC input cable, filler panels, rack hardware and cable-management accessories.<\/p>\n<h3>18-Slot Mixed PXI and PXI Express Architecture<\/h3>\n<p>The PXIe-1066DC provides one controller slot and 17 peripheral slots. Its mixed backplane allows established PCI-based PXI instruments and higher-bandwidth PXI Express devices to operate in the same chassis.<\/p>\n<p>Nine peripheral positions are intended for conventional PXI or CompactPCI modules. Four hybrid slots accept compatible PXI, PXI Express, CompactPCI and CompactPCI Express modules. Three additional positions are PXI Express peripheral slots, and one position is the dedicated PXI Express system timing slot.<\/p>\n<p>The system timing slot can also accept compatible PXI Express peripheral modules when a dedicated timing module is not required. However, timing modules that use differential star connections should be installed in the designated timing position.<\/p>\n<h3>PXI Express Hybrid Slots<\/h3>\n<p>A hybrid slot provides both PCI Express signaling and selected legacy PXI compatibility. This allows the chassis to accommodate a wider variety of instruments than an architecture containing only PXI Express-only slots.<\/p>\n<p>Not every legacy PXI module is mechanically compatible with a hybrid slot. Modules that use older J2 connector features or require specific local-bus connections should be checked against the chassis and module documentation before installation.<\/p>\n<h3>3 GB\/s System Bandwidth<\/h3>\n<p>The PXIe-1066DC provides up to 3 GB\/s maximum aggregate bandwidth between the controller and the PXI Express backplane. Supported PXI Express peripheral slots can receive up to 1 GB\/s of dedicated bandwidth through x4 PCI Express links.<\/p>\n<p>Conventional PXI modules share the PCI-based portion of the backplane, which provides up to 132 MB\/s theoretical bandwidth. The sustainable data rate of a complete system depends on controller performance, module behavior, DMA configuration and application software.<\/p>\n<p>When several digitizers or waveform generators stream concurrently, calculate the combined data rate and determine which backplane segment serves each module.<\/p>\n<h3>Multisegment Backplane Design<\/h3>\n<p>The chassis uses multiple PCI and PCI Express backplane segments to support its large slot count. Modules installed in different segments may not share identical trigger-routing paths unless the chassis is correctly identified and configured in NI Measurement &amp; Automation Explorer.<\/p>\n<p>For applications that exchange triggers between segments, configure the chassis model and slot positions accurately. Incorrect chassis identification can produce routing errors even when all modules are individually detected.<\/p>\n<h3>Redundant Hot-Swappable Power Supplies<\/h3>\n<p>The PXIe-1066DC contains two power-supply bays. With two functioning supplies installed and the module load kept within the supported redundant power budget, either supply can maintain chassis operation if the other supply fails.<\/p>\n<p>A failed supply can be removed and replaced without shutting down the chassis. This reduces mean time to repair and supports applications in which interrupting a long-duration test would be costly.<\/p>\n<p>Hot-swappable capability does not eliminate electrical hazards. Only trained personnel should replace a supply, and the documented handling procedure must be followed.<\/p>\n<h3>210 VDC to 300 VDC Power Input<\/h3>\n<p>The chassis is designed for a high-voltage DC input from 210 VDC to 300 VDC. This is different from common 24 VDC industrial equipment and must not be connected directly to a low-voltage 24 V supply.<\/p>\n<p>The installation must provide a properly rated source, disconnecting means, wiring, overcurrent protection and protective earth connection. DC polarity and terminal assignments must be verified before power is applied.<\/p>\n<p>Because the input can remain hazardous after disconnection, allow the required discharge time before servicing the chassis or its power wiring.<\/p>\n<h3>Power-Supply Redundancy Planning<\/h3>\n<p>Redundancy is only maintained when one power supply can support the complete installed module load. A system that requires the combined output of both supplies may continue operating normally with both installed but cannot tolerate the loss of either supply.<\/p>\n<p>Create a power budget using the requirements of the controller and every peripheral module. Check each backplane voltage rail rather than relying only on total wattage.<\/p>\n<p>High-power RF modules, FlexRIO devices, digitizers and source measurement units can significantly affect the available redundancy margin.<\/p>\n<h3>Power and Fault Monitoring<\/h3>\n<p>Internal monitoring circuits track power-supply presence, health and voltage status. The chassis can report a failed or removed supply while the redundant unit continues operating.<\/p>\n<p>Overall chassis fault information can be accessed through supported remote-monitoring connections. This allows a supervisory system to detect degraded operation before a second failure interrupts the test system.<\/p>\n<h3>Hot-Swappable Redundant Cooling Fans<\/h3>\n<p>The PXIe-1066DC uses multiple front-accessible fan assemblies. Redundancy allows the remaining fans to maintain cooling while a failed fan is replaced under supported operating conditions.<\/p>\n<p>Front access simplifies servicing in a populated equipment rack because technicians do not need to remove the complete chassis to reach the fans.<\/p>\n<p>A fan failure should still be corrected promptly. Remaining fans may increase speed to compensate, producing more acoustic noise and reducing the system\u2019s thermal margin.<\/p>\n<h3>38 W Per-Slot Cooling<\/h3>\n<p>The chassis provides up to 38 W of cooling capacity for each peripheral slot. This supports many high-performance PXI Express instruments that dissipate more heat than traditional PXI modules.<\/p>\n<p>Cooling capacity assumes correct filler panels, fan assemblies, filters and rack airflow. A module may overheat even below 38 W if intake vents are blocked or hot exhaust air is recirculated.<\/p>\n<p>Unused slots should be covered with EMC filler panels. Slot blockers can further improve cooling by directing airflow through installed modules.<\/p>\n<h3>Variable-Speed Fan Control<\/h3>\n<p>Temperature sensors monitor the chassis intake and other internal locations. The chassis management controller adjusts fan speed to balance cooling performance and acoustic output.<\/p>\n<p>Maximum fan speed is approximately 3,800 rpm. Under the specified quiet-operation conditions, the chassis produces approximately 49.8 dBA of sound pressure.<\/p>\n<p>Fan speed can be monitored and, in supported configurations, controlled through NI software. Maximum cooling mode may be preferable in densely populated racks or elevated ambient temperatures.<\/p>\n<h3>Chassis Health Monitoring<\/h3>\n<p>The PXIe-1066DC monitors power-supply voltages, power-supply health, air-intake temperature, fan speed and fan health. This information can be viewed in NI MAX or accessed programmatically through supported system APIs.<\/p>\n<p>Monitoring allows automated software to log chassis conditions, warn operators about degrading hardware and stop a test safely before an overtemperature or power failure causes data loss.<\/p>\n<h3>10 MHz and 100 MHz Reference Clocks<\/h3>\n<p>The chassis provides the standard 10 MHz PXI reference clock and the 100 MHz differential PXI Express reference clock. Both use low-jitter clocking with approximately \u00b125 ppm stability.<\/p>\n<p>PXI instruments can use PXI_CLK10, while PXI Express modules can use PXIe_CLK100 and PXIe_SYNC100 for synchronized timing.<\/p>\n<p>A shared chassis reference reduces frequency drift between modules and simplifies multidevice synchronization.<\/p>\n<h3>External 10 MHz Clock Input and Output<\/h3>\n<p>Rear-panel clock connectors allow the chassis to import or export a compatible 10 MHz reference signal without requiring an additional timing module.<\/p>\n<p>When a valid external reference is connected, the chassis can phase-lock its internal PXI and PXI Express timing signals to the external source. This is useful when synchronizing multiple chassis or laboratory instruments.<\/p>\n<p>The PXIe-1066DC does not provide general external access to all PXI trigger lines without an additional module. External clocking and external triggering are separate capabilities.<\/p>\n<h3>PXI and PXI Express Triggering<\/h3>\n<p>The backplane provides PXI trigger lines 0 through 7 for distributing clocks, triggers and handshaking signals between compatible modules.<\/p>\n<p>The PXI star trigger provides dedicated matched connections from the system timing slot to compatible peripheral positions. PXI Express differential star signals offer additional low-skew timing paths for supported PXIe modules.<\/p>\n<p>Trigger routing can be managed automatically by supported NI instrument drivers or assigned manually through NI MAX when the application requires fixed routes.<\/p>\n<h3>Embedded Controller Integration<\/h3>\n<p>A compatible PXI Express embedded controller can be installed in the system controller slot to create a self-contained test system. The controller supplies processing, memory, storage, networking and operating-system resources.<\/p>\n<p>Verify controller power consumption, cooling requirements, operating-temperature range and chassis support. The controller and modules must collectively remain within the power budget that preserves redundancy.<\/p>\n<h3>Remote Control Integration<\/h3>\n<p>The chassis can also be controlled from an external desktop, server or industrial computer using a compatible MXI-Express remote-control interface.<\/p>\n<p>A remote system requires a host-side interface, compatible PXI Express controller module and matching cable. MXI generations, lane widths and connector types must be verified as a complete set.<\/p>\n<p>Power-on sequencing is important because the host BIOS normally enumerates the remote PCI Express hierarchy during startup.<\/p>\n<h3>High-Availability Test Systems<\/h3>\n<p>The redundant power and cooling architecture is intended to maximize system uptime. It is valuable for long-duration tests, continuous monitoring systems and production lines where an unexpected shutdown can invalidate data or interrupt manufacturing.<\/p>\n<p>High availability depends on more than the chassis. The controller, storage, network, software and external DC supply should also be designed to avoid single points of failure.<\/p>\n<p>Routine health monitoring and planned replacement of degraded components are necessary to obtain the full benefit of the redundant design.<\/p>\n<h2>PXIe-1066DC Applications<\/h2>\n<ul>\n<li>High-availability automated test equipment<\/li>\n<li>Long-duration validation testing<\/li>\n<li>Aerospace and defense test systems<\/li>\n<li>Transportation and railway testing<\/li>\n<li>Telecommunications equipment validation<\/li>\n<li>Semiconductor characterization<\/li>\n<li>RF and wireless device testing<\/li>\n<li>High-channel-count data acquisition<\/li>\n<li>\u0421\u0438\u043c\u0443\u043b\u044f\u0446\u0438\u044f \u0441 \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u044b\u043c \u0432\u0445\u043e\u0434\u043e\u043c<\/li>\n<li>Production end-of-line testing<\/li>\n<li>Industrial monitoring systems<\/li>\n<li>Distributed scientific instrumentation<\/li>\n<li>DC-powered equipment racks<\/li>\n<li>Maintenance of existing PXIe-1065-based systems<\/li>\n<\/ul>\n<h3>Aerospace and Defense Testing<\/h3>\n<p>Aerospace and defense validation systems may run complex test sequences for many hours or days. Redundant fans and power supplies reduce the chance that one chassis component will interrupt an expensive test.<\/p>\n<p>The mixed PXI and PXI Express slot arrangement supports legacy communication, switching and measurement modules alongside higher-bandwidth PXIe instruments.<\/p>\n<h3>Transportation and Railway Systems<\/h3>\n<p>The high-voltage DC input can integrate with suitable centralized DC distribution used in transportation and infrastructure environments. The complete installation must comply with applicable grounding, isolation and electrical-safety requirements.<\/p>\n<p>PXI communication interfaces, DAQ modules and signal-conditioning hardware can be combined for controller, network and subsystem validation.<\/p>\n<h3>Long-Duration Data Acquisition<\/h3>\n<p>High-channel-count DAQ systems can use the chassis to acquire environmental, electrical and mechanical measurements over extended periods.<\/p>\n<p>Chassis monitoring data can be logged with the measurement results to help identify whether temperature, fan or power conditions influenced an event.<\/p>\n<h3>RF and Wireless Testing<\/h3>\n<p>The PXI Express slots can support compatible RF analyzers, generators, digitizers and FPGA instruments. Dedicated PXIe bandwidth helps move waveform data between the modules and controller.<\/p>\n<p>System designers should calculate total data throughput and module power before deploying several high-performance RF instruments.<\/p>\n<h3>Hardware-in-the-Loop Testing<\/h3>\n<p>HIL systems can use the PXIe-1066DC for real-time controllers, FPGA modules, DAQ hardware, vehicle interfaces and fault-insertion equipment.<\/p>\n<p>Backplane clocks and triggers help coordinate simulation, signal generation and acquisition. Redundant hardware can reduce interruptions during continuous validation campaigns.<\/p>\n<h3>Production Test Systems<\/h3>\n<p>Production lines benefit from rapid replacement of failed fans or power supplies. Chassis faults can be detected programmatically and reported to the station-maintenance system.<\/p>\n<p>Redundancy does not replace preventive maintenance, but it can provide time to service a degraded component without immediately stopping production.<\/p>\n<h2>PXIe-1066DC Installation Workflow<\/h2>\n<h4>Step 1: Inspect the Chassis and Accessories<\/h4>\n<p>Inspect the enclosure, backplane connectors, fan assemblies, power supplies and DC power cable. Do not energize a chassis with damaged connectors, loose components or evidence of liquid contamination.<\/p>\n<h4>Step 2: Verify the DC Source<\/h4>\n<p>Confirm that the source provides 210 VDC to 300 VDC with sufficient current capacity. Verify polarity, protective earth, disconnecting means and external protection.<\/p>\n<h4>Step 3: Install the Rack Hardware<\/h4>\n<p>Install the chassis in a suitable 19-inch equipment rack using compatible front and rear support. Account for the chassis weight, especially when two power supplies are fitted.<\/p>\n<h4>Step 4: Provide Cooling Clearance<\/h4>\n<p>Keep the air intake and exhaust paths unobstructed. Avoid positioning the chassis where it will draw heated exhaust from adjacent equipment.<\/p>\n<h4>Step 5: Install Both Power Supplies<\/h4>\n<p>Install two compatible supplies when redundant operation is required. Secure each supply and confirm that an unused bay has the correct filler panel.<\/p>\n<h4>Step 6: Install the System Controller<\/h4>\n<p>With chassis power disconnected, install a compatible embedded controller or remote-control module in the controller slot.<\/p>\n<h4>Step 7: Install PXI and PXI Express Modules<\/h4>\n<p>Match every module to a compatible PXI, hybrid, PXIe-only or system timing slot. Use the injector\/ejector handles and secure each front panel.<\/p>\n<h4>Step 8: Install Filler Panels and Slot Blockers<\/h4>\n<p>Cover unused peripheral slots with EMC filler panels. Add compatible slot blockers when needed to direct cooling air through installed modules.<\/p>\n<h4>Step 9: Connect Safety Ground and DC Power<\/h4>\n<p>Connect protective earth before the DC conductors. Verify correct polarity and torque according to the power-connector instructions.<\/p>\n<h4>Step 10: Start the Chassis<\/h4>\n<p>Apply DC power and check the chassis indicators. Confirm that both supplies and all fan assemblies report normal operation.<\/p>\n<h4>Step 11: Start the Controller or Remote Host<\/h4>\n<p>Start the embedded controller or external computer. Follow the correct MXI power sequence when using remote control.<\/p>\n<h4>Step 12: Configure the Chassis in NI MAX<\/h4>\n<p>Confirm that NI MAX recognizes the PXIe-1066DC and maps every module to the correct slot. Accurate identification is required for trigger routing across backplane segments.<\/p>\n<h4>Step 13: Verify Chassis Health<\/h4>\n<p>Review temperatures, fan speeds, voltage rails and power-supply status before starting the application.<\/p>\n<h4>Step 14: Test Redundancy Safely<\/h4>\n<p>When permitted by the site procedure, verify that the calculated module load can be carried by one supply. Do not perform a live redundancy test without confirming the power budget and hot-swap procedure.<\/p>\n<h2>PXIe-1066DC Troubleshooting<\/h2>\n<h4>The chassis does not power on<\/h4>\n<p>Verify the 210 VDC to 300 VDC source, polarity, protective earth and input connector. Check the upstream disconnect and external protection. Internal input fuses are not user replaceable.<\/p>\n<h4>One power supply reports a fault<\/h4>\n<p>Confirm that the supply is fully seated and that the DC input remains within range. If the second supply is carrying the system safely, follow the documented hot-swap procedure to replace the failed unit.<\/p>\n<h4>The chassis shuts down after one supply is removed<\/h4>\n<p>The installed controller and modules may exceed the capacity available from one supply. Recalculate the redundant power budget for every voltage rail.<\/p>\n<h4>A replacement supply is not recognized<\/h4>\n<p>Verify that the replacement is compatible with the PXIe-1066DC and is fully inserted. Inspect the supply bay and connector for damage or contamination.<\/p>\n<h4>A fan assembly reports a failure<\/h4>\n<p>Confirm that the fan is properly seated and not obstructed. Replace the failed assembly promptly even if the remaining fans temporarily maintain cooling.<\/p>\n<h4>Fan noise is higher than expected<\/h4>\n<p>High intake temperature, a failed fan or a heavily populated chassis can increase fan speed. Clean the airflow path, verify rack ventilation and review temperature readings.<\/p>\n<h4>Installed modules overheat<\/h4>\n<p>Confirm that no module exceeds the 38 W slot-cooling limit. Install filler panels and slot blockers, remove airflow obstructions and prevent exhaust recirculation.<\/p>\n<h4>A PXI module does not fit a hybrid slot<\/h4>\n<p>Some legacy PXI modules use connectors that are incompatible with hybrid slots. Move the module to a PXI-only slot or verify whether a compatible hybrid connector modification exists.<\/p>\n<h4>A PXIe module is not detected<\/h4>\n<p>Check that the module is installed in a hybrid, PXIe-only or system timing slot. Confirm controller compatibility, PCI Express link allocation and the instrument driver.<\/p>\n<h4>System bandwidth is lower than expected<\/h4>\n<p>Determine which backplane segment and PCI Express link serve the module. The chassis provides 3 GB\/s aggregate system bandwidth and up to 1 GB\/s per supported PXIe slot, but application throughput is lower.<\/p>\n<h4>Trigger routing returns error -89125<\/h4>\n<p>Verify that the chassis is identified correctly in NI MAX. Modules in different backplane segments may require an explicit route or relocation to the same segment.<\/p>\n<h4>Modules do not synchronize to the external reference<\/h4>\n<p>Check the external 10 MHz signal frequency, amplitude, cabling and termination. Confirm that the chassis reports a valid external reference and that each module is configured to use the backplane clock.<\/p>\n<h4>Chassis monitoring data is unavailable<\/h4>\n<p>Install a compatible version of PXI Platform Services or NI System Configuration. Confirm that the chassis is correctly recognized rather than entered as a generic model.<\/p>\n<h4>The chassis operates with one empty power bay<\/h4>\n<p>Install the correct power-supply filler panel to preserve airflow. Remember that a single installed supply does not provide redundant operation.<\/p>\n<h4>The system loses communication during power-supply replacement<\/h4>\n<p>The total module load may exceed single-supply capacity, or the wrong supply may have been removed. Review the event logs, power budget and documented hot-swap sequence.<\/p>\n<h2>PXIe-1066DC Comparison<\/h2>\n<h3>PXIe-1066DC vs PXIe-1065<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n<th>PXIe-1066DC<\/th>\n<th>PXIe-1065<\/th>\n<\/tr>\n<tr>\n<td>\u041e\u0431\u0449\u0435\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0441\u043b\u043e\u0442\u043e\u0432<\/td>\n<td>18<\/td>\n<td>18<\/td>\n<\/tr>\n<tr>\n<td>Backplane Architecture<\/td>\n<td>Mixed PXI and PXI Express<\/td>\n<td>Mixed PXI and PXI Express<\/td>\n<\/tr>\n<tr>\n<td>Maximum System Bandwidth<\/td>\n<td>3 GB\/s<\/td>\n<td>3 GB\/s<\/td>\n<\/tr>\n<tr>\n<td>Maximum Slot Bandwidth<\/td>\n<td>1 GB\/s<\/td>\n<td>1 GB\/s<\/td>\n<\/tr>\n<tr>\n<td>Power Input<\/td>\n<td>210 VDC to 300 VDC<\/td>\n<td>Universal AC<\/td>\n<\/tr>\n<tr>\n<td>Redundant Power Supplies<\/td>\n<td>\u0414\u0430<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Hot-Swappable Fans<\/td>\n<td>\u0414\u0430<\/td>\n<td>No equivalent redundant architecture<\/td>\n<\/tr>\n<tr>\n<td>Best Suited For<\/td>\n<td>High-availability DC-powered systems<\/td>\n<td>General AC-powered mixed PXI systems<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The PXIe-1066DC uses the PXIe-1065 backplane architecture but adds high-availability power and cooling features. Choose it when DC input and component redundancy are required.<\/p>\n<h3>PXIe-1066DC vs PXIe-1086DC<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n<th>PXIe-1066DC<\/th>\n<th>PXIe-1086DC<\/th>\n<\/tr>\n<tr>\n<td>Platform Generation<\/td>\n<td>Earlier mixed PXI\/PXIe architecture<\/td>\n<td>Newer PXI Express architecture<\/td>\n<\/tr>\n<tr>\n<td>\u041e\u0431\u0449\u0435\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0441\u043b\u043e\u0442\u043e\u0432<\/td>\n<td>18<\/td>\n<td>18<\/td>\n<\/tr>\n<tr>\n<td>Conventional PXI-Only Slots<\/td>\n<td>9<\/td>\n<td>No dedicated PXI-only bank in the newer architecture<\/td>\n<\/tr>\n<tr>\n<td>Hybrid Slot Density<\/td>\n<td>4 \u0433\u0438\u0431\u0440\u0438\u0434\u043d\u044b\u0445 \u0441\u043b\u043e\u0442\u0430<\/td>\n<td>Substantially higher hybrid-slot density<\/td>\n<\/tr>\n<tr>\n<td>\u041f\u0440\u043e\u043f\u0443\u0441\u043a\u043d\u0430\u044f \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u044b<\/td>\n<td>3 GB\/s<\/td>\n<td>Higher, configuration dependent<\/td>\n<\/tr>\n<tr>\n<td>Redundant Power and Fans<\/td>\n<td>\u0414\u0430<\/td>\n<td>\u0414\u0430<\/td>\n<\/tr>\n<tr>\n<td>Best Suited For<\/td>\n<td>Maintaining mixed legacy PXI systems<\/td>\n<td>Newer high-bandwidth PXI Express systems<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The PXIe-1086DC is the logical migration direction when a system needs newer PXI Express bandwidth and greater hybrid-slot flexibility. The PXIe-1066DC remains valuable when nine dedicated legacy PXI slots are required.<\/p>\n<h3>PXIe-1066DC vs PXIe-1075<\/h3>\n<table>\n<tbody>\n<tr>\n<th>\u0424\u0443\u043d\u043a\u0446\u0438\u044f<\/th>\n<th>PXIe-1066DC<\/th>\n<th>PXIe-1075<\/th>\n<\/tr>\n<tr>\n<td>\u041e\u0431\u0449\u0435\u0435 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0441\u043b\u043e\u0442\u043e\u0432<\/td>\n<td>18<\/td>\n<td>18<\/td>\n<\/tr>\n<tr>\n<td>Maximum System Bandwidth<\/td>\n<td>3 GB\/s<\/td>\n<td>4 GB\/s<\/td>\n<\/tr>\n<tr>\n<td>Maximum Slot Bandwidth<\/td>\n<td>1 GB\/s<\/td>\n<td>1 GB\/s<\/td>\n<\/tr>\n<tr>\n<td>Power Type<\/td>\n<td>DC<\/td>\n<td>AC<\/td>\n<\/tr>\n<tr>\n<td>Redundant Hardware<\/td>\n<td>\u0414\u0430<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>PXI Express Slot Density<\/td>\n<td>Lower<\/td>\n<td>Higher<\/td>\n<\/tr>\n<tr>\n<td>Best Suited For<\/td>\n<td>High-availability mixed PXI systems<\/td>\n<td>Higher-bandwidth general PXIe systems<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Selecting the Right Chassis<\/h3>\n<p>Choose the PXIe-1066DC when the application requires 210 VDC to 300 VDC input, redundant hot-swappable power supplies, redundant fans and compatibility with a large number of legacy PXI modules.<\/p>\n<p>Select a newer PXIe-1086DC-class chassis when higher PCI Express bandwidth, increased hybrid-slot density and a longer support lifecycle are more important.<\/p>\n<p>Select an AC chassis such as the PXIe-1065 or PXIe-1075 when redundant DC power is unnecessary and standard facility AC is the preferred source.<\/p>\n<h2>PXIe-1066DC Frequently Asked Questions<\/h2>\n<h4>What is the PXIe-1066DC?<\/h4>\n<p>The PXIe-1066DC is an 18-slot DC-powered PXI Express chassis with mixed PXI and PXIe slots, redundant hot-swappable power supplies and redundant front-accessible cooling fans.<\/p>\n<h4>How many peripheral slots does the chassis provide?<\/h4>\n<p>It provides 17 peripheral positions plus one PXI Express system controller slot.<\/p>\n<h4>How are the peripheral slots configured?<\/h4>\n<p>The chassis includes nine PXI slots, four hybrid slots, three PXI Express peripheral slots and one PXI Express system timing slot.<\/p>\n<h4>What is the maximum system bandwidth?<\/h4>\n<p>The maximum aggregate system bandwidth is 3 GB\/s.<\/p>\n<h4>What is the maximum bandwidth per PXIe slot?<\/h4>\n<p>Supported PXI Express peripheral slots provide up to 1 GB\/s of dedicated bandwidth.<\/p>\n<h4>What is the DC input range?<\/h4>\n<p>The PXIe-1066DC is designed for 210 VDC to 300 VDC input. It is not a conventional 24 VDC chassis.<\/p>\n<h4>Does the chassis require two power supplies?<\/h4>\n<p>It can operate in supported configurations with one supply, but two supplies are required for power redundancy. The installed module load must remain within single-supply capacity for redundancy to be maintained.<\/p>\n<h4>Can a power supply be replaced while the chassis is operating?<\/h4>\n<p>Yes. The redundant supplies are hot swappable under supported loading and service conditions.<\/p>\n<h4>Are the cooling fans hot swappable?<\/h4>\n<p>Yes. The front-accessible fan assemblies are designed for hot-swappable replacement.<\/p>\n<h4>What is the cooling capacity?<\/h4>\n<p>The chassis provides up to 38 W of cooling capacity per peripheral slot.<\/p>\n<h4>Does it support conventional PXI modules?<\/h4>\n<p>Yes. It provides nine PXI slots, and compatible PXI modules can also be installed in appropriate hybrid slots.<\/p>\n<h4>Does it include a system timing slot?<\/h4>\n<p>Yes. One PXI Express peripheral position is designated as the system timing slot.<\/p>\n<h4>Can it import an external 10 MHz clock?<\/h4>\n<p>Yes. The chassis provides rear-panel external 10 MHz reference clock input and output connections.<\/p>\n<h4>Can all PXI trigger lines be accessed externally?<\/h4>\n<p>Not directly without an additional timing or trigger-access module. External reference clock access does not mean that all PXI trigger lines are available on the chassis rear panel.<\/p>\n<h4>How can chassis health be monitored?<\/h4>\n<p>Power-supply status, voltage rails, intake temperature, fan health and fan speed can be viewed through compatible NI system software and accessed programmatically.<\/p>\n<h4>What is the PXIe-1066DC part number?<\/h4>\n<p>The standard NI ordering part number is <strong>781812-01<\/strong>.<\/p>\n<h4>Is the PXIe-1066DC still available from NI?<\/h4>\n<p>No. NI lists the product as no longer available for purchase and provides only limited support. Availability is generally limited to used, refurbished or remaining-stock units.<\/p>\n<h4>What should be verified when purchasing a used chassis?<\/h4>\n<p>Confirm the number and condition of power supplies, fan assemblies, DC power cable, filler panels and rack hardware. Request power-on, backplane, fan, clock and redundancy test results when possible.<\/p>\n<h3>Why Choose the PXIe-1066DC?<\/h3>\n<ul>\n<li>Supports 17 peripheral modules in one chassis<\/li>\n<li>Combines PXI, PXI Express and hybrid slot compatibility<\/li>\n<li>Provides up to 3 GB\/s system bandwidth<\/li>\n<li>Provides up to 1 GB\/s bandwidth per supported PXIe slot<\/li>\n<li>Includes redundant hot-swappable DC power supplies<\/li>\n<li>Includes redundant hot-swappable fan assemblies<\/li>\n<li>Provides 38 W of cooling capacity per slot<\/li>\n<li>Supports high-voltage centralized DC power distribution<\/li>\n<li>Includes detailed chassis health monitoring<\/li>\n<li>Supports PXI and PXIe timing and triggering resources<\/li>\n<li>Maintains compatibility with many established PXI modules<\/li>\n<li>Reduces downtime in high-availability test systems<\/li>\n<\/ul>\n<h3>Recommended Related Products<\/h3>\n<ul>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-1065\/\">PXIe-1065 18-Slot PXI Express Chassis<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/%d0%bf%d0%b8%d0%ba%d1%81%d0%b8-1075\/\">PXIe-1075 18-Slot PXI Express Chassis<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-1085\/\">PXIe-1085 High-Bandwidth PXI Express Chassis<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-1086dc\/\">PXIe-1086DC Redundant DC PXI Express Chassis<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/%d0%bf%d1%8c%d0%b5-1095\/\">PXIe-1095 18-Slot PXI Express Chassis<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-6674t\/\">PXIe-6674T Timing and Synchronization Module<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8381\/\">PXIe-8381 Remote Control Module<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product\/pxie-8388\/\">PXIe-8388 Remote Control Module<\/a><\/li>\n<li><a href=\"https:\/\/pxisource.com\/ru\/product-category\/%d0%bd%d0%b8\/pxi-%d1%81%d0%b8%d1%81%d1%82%d0%b5%d0%bc%d1%81\/pxi-chassis\/\">View More NI PXI and PXI Express Chassis<\/a><\/li>\n<\/ul>\n<h3>Request a Quote for the PXIe-1066DC<\/h3>\n<p>Contact us for current availability, condition and project pricing for the <strong>NI PXIe-1066DC 18-slot redundant DC PXI Express chassis<\/strong>.<\/p>\n<p>We can also help identify replacement power supplies, fan assemblies, power cables, filler panels, rack-mount hardware, compatible embedded controllers and MXI-Express remote-control interfaces.<\/p>\n<p>When requesting a quotation, specify whether you require one or two power supplies and provide the planned controller and module list. This information allows the chassis power, cooling, bandwidth and redundancy requirements to be checked before delivery.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0422\u0438\u043f \u0448\u0430\u0441\u0441\u0438 PXI: PXI Express<br \/>\n\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0441\u043b\u043e\u0442\u043e\u0432: 18<br \/>\nNumber of Hybrid Slots: 4<br \/>\nNumber of PXI Express Slots: 4<br \/>\nChassis Power Supply Type: DC<br \/>\n\u041c\u043e\u0449\u043d\u043e\u0441\u0442\u044c \u043e\u0445\u043b\u0430\u0436\u0434\u0435\u043d\u0438\u044f \u0441\u043b\u043e\u0442\u0430: 38 \u0412\u0442<\/p>","protected":false},"featured_media":36040,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[19],"product_tag":[],"class_list":["post-36267","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-pxi-chassis","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NI PXIe-1066DC PXI Chassis 781812-01, In Stock | Project Pricing<\/title>\n<meta name=\"description\" content=\"The PXIe-1066DC is an 18-slot redundant DC PXI Express chassis with 3 GB\/s bandwidth and hot-swappable power supplies and fans.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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