II. Model Interpretation

• PXI: PCI eXtensions for Instrumentation, a PCI expansion bus standard for instruments.

• 1045: 1000 Series (High-performance PXI chassis), 45 represents 18 slots, 600 W power supply, wide temperature range, programmable trigger.

• Part Number: 778645-01 (Standard AC model).

• III. Technical Specifications

• Slot Configuration: 18 3U PXI slots (including 1 controller slot + 17 peripheral slots), 2 star trigger slots included; compatible with CompactPCI PICMG 2.0 R3.0.

• Power Supply:

• Input: 90–264 VAC, 47–63 Hz (global standard).

• Output: 600 W, maximum 25 W cooling capacity per slot.

• Voltage: +3.3 V, +5 V, +12 V, −12 V, overcurrent / overvoltage protection, plug-in modular power supply.

• Backplane and Synchronization:

• 32-bit PCI backplane, segmented bus architecture, software programmable trigger routing.

• 10 MHz Global Reference Clock (PXI_CLK10), jitter < 5 ps, slot-to-slot skew ≤ 250 ps.

• 8 PXI trigger lines per slot, dual-star trigger, local bus.

• Physical Specifications:

• Size: 6U (266 mm) × 19-inch rack width.

• Weight: Approximately 13.6 kg (without modules).

• Environment and Cooling:

• Operating Temperature: 0–55 °C (extended temperature range); Storage: −40–85 °C.

• Cooling: Intelligent temperature-controlled fan, automatic speed adjustment, balanced cooling and noise.

• Noise: Approximately 45–50 dBA (automatic mode).

• IV. Interface and Communication Configuration

• PXI Backplane Bus: 32-bit PCI, segmented bus, supports multi-module DMA, plug-and-play, programmable trigger routing.

• Synchronization and Trigger:

• 10 MHz Clock I/O: Dual BNC on the rear panel (IN/OUT), multi-box cascading synchronization.

• Dual-star Trigger: Dual-center slots, support multiple independent synchronization sequences.

• Local Bus: High-speed point-to-point communication between adjacent modules.

• External Interfaces:

• Front Panel: Power switch, power/fault LED indicator.

• Back Panel: IEC AC power input, grounding terminal, remote power monitoring / disable interface, 10 MHz BNC I/O.

• V. Core Functions

• 18-slot High-density Expansion: 18 slots, suitable for high-channel-count systems (such as multi-channel acquisition, parallel testing), meeting large-scale testing requirements.

• 600 W High-power Supply: Plug-in modular power supply, 25 W per slot, supports high-power modules (such as high-speed digitizers, RF modules).

• <5 ps Low Jitter Synchronization: High-precision 10 MHz clock + dual-star trigger, ensuring sub-nanosecond-level timing consistency for multiple modules.

• Programmable Trigger Routing: Software configuration of trigger paths between segmented buses of the backplane, flexible adaptation to complex test sequences.

• Wide Temperature and High Reliability: 0–55 °C extended temperature range, suitable for industrial / outdoor / vehicle-mounted etc. harsh environments; modular design, easy maintenance.

• VI. Application Scenarios

• Large-scale Automated Test System: Full-function testing of electronic products, multi-station parallel testing, complex timing testing.

• High-channel-count Data Acquisition: Vibration / Acoustic array acquisition, multi-sensor synchronous monitoring, industrial process monitoring.

• Aerospace / Defense Testing: Radar signal testing, aerospace electronic equipment verification, military equipment inspection (wide temperature, high reliability). Industrial and Vehicle Monitoring: Factory automation, vehicle testing, outdoor equipment monitoring (adapted to harsh environments).

• Multi-rack Synchronization System: Large-scale distributed testing, multi-node data collection, cross-rack timing synchronization.

• VII. User and Maintenance Instructions

• Installation:

• Rack: 6U standard cabinet, fixed front and rear rails, reserved 150 mm front and rear ventilation space.

• Desktop: Install inclined foot pads, place stably, avoid blocking ventilation ports.

• Modules: Unplug and plug in power off, tighten the fixing screws; add lock in high-vibration environments.

• Power-on and Operation:

• Connect 90–264 VAC, turn on the front panel power switch, the LED lights up normally.

• The controller automatically recognizes the modules, after installing NI-MAX and drivers, configure the trigger routing and clock synchronization.

• Fans: Default automatic speed regulation; in high-load/high-temperature environments, can be manually set to high speed.

• Daily Maintenance:

• Cleaning: Clean the fan filter and ventilation ports of the fan every quarter after power off, to avoid blockage.

• Environment: Working temperature 0–55 °C, humidity < 60% RH, away from strong electromagnetic interference.

• Power Maintenance: Regularly check the power module, when there is a fault, directly plug and unplug for replacement, to reduce downtime.

• Static Protection: When plugging and unplugging the modules, wear an anti-static wristband to ensure good grounding.