XR Series II: Features and Specs
Key Features
- Highest power density on the market: Up to 8 kW in a 2U package
- Wide voltage and current range: 0-16 Vdc to 0-1000 Vdc and 0-2 Adc to 0-375 Adc
- New load dependent air cooling, 6 kW and 8 kW models: Variable speed fans
- High efficiency operation: Up to 88% efficiency on select models
- Wide range of input voltages as standard: From 208 Vac to 480 Vac at 50 Hz, 60 Hz, and 400 Hz
- 37-pin optically isolated user I/O circuitry standard: No additional isolation circuitry necessary
- Front panel analog potentiometers: Stepless rotary control
- RS-232 interface standard with SCPI Commands: GPIB, USB, Ethernet, RS-485 interfaces optional
- Optional LXI-certified ethernet communications: Embedded web-server
- OVT and OCT shutdown standard: Mechanical contactors to disconnect input mains
- Certified LabWindows/CVI and LabView Drivers: GPIB, Serial, and TCP/IP
- Programmable Output Modulation: Emulates user-defined power profiles
- High power factor
- CE Mark
Specifications
| Input | |
|---|---|
| Nominal Voltage 3 phase, 3 wire + ground |
208 VAC (operating range 187 - 229 VAC) 240 VAC (operating range 216 - 264 VAC) 380 VAC (operating range 342 - 418 VAC) 415 VAC (operating range 373 - 456 VAC) 440 VAC (operating range 396 - 484 VAC) 480 VAC (operating range 432 - 528 VAC) |
| 1 phase, 2 wire + ground (2 kW models only) |
208 VAC (operating range 187 - 229 VAC) 240 VAC (operating range 216 - 264 VAC) |
| Frequency | 50 through 400 Hz |
| Power Factor | Greater than 92% at maximum power |
| Environmental | |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -25°C to +85°C |
| Temperature Coefficient | 0.04 / °C of maximum output current |
| Air Cooling | Side air inlet, rear exhaust |
| Physical | |
| Dimensions | Height: 3.25" (8.26 cm) -- 2U Depth: 24" (60.96 cm) Width: 19" (48.26 cm) |
| Weight: | 2.0 kW: 45 lbs (20.41 kg) 4.0 kW: 47 lbs (21.32 kg) 6.0 kW: 48 lbs (21.77 kg) 8.0 kW: 48 lbs (21.77 kg) |
| Output | |
| Ripple | See Model Charts |
| Line Regulation | Voltage Mode: ± 0.004% of full scale Current Mode: ± 0.02% of full scale |
| Load Regulation | Voltage Mode: ± 0.01% of full scale Current Mode: ± 0.04% of full scale |
| Load Transient Response | 2 ms to recover within ±1% of regulated output with a 50% to 100% or 100% to 50% step load change |
| Efficiency | ≥ 86% (See Model Charts) |
| Stability | ± 0.10% for 8 hrs. after 30 min. warmup |
| Maximum Slew Rate | 100 ms for output voltage change from 0 to 63% 100 ms for output voltage change from 0 to 63% |
| Isolation | Maximum input voltage to ground: ±2500 Vac Maximum output voltage to ground: ±1000 Vdc User inputs and outputs: referenced to Earth ground |
| Programming Levels and Accuracy of Full Scale | ||||
|---|---|---|---|---|
| Voltage Set Point |
Current Set Point |
OVT Set Point |
OCT Set Point |
|
| Remote Analog Programming Accuracy | ± 0.50% | ± 0.75% | ± 0.50% | ± 0.75% |
| Digital Programming Accuracy | ± 0.50% | ± 0.75% | ± 0.50% | ± 0.75% |
| Remote Analog Programming Levels | 0 - 10.0 Vdc | 0 - 10.0 Vdc | 0 - 10.0 Vdc | 0 - 10.0 Vdc |
| Monitoring Levels and Accuracy of Full Scale | ||||
|---|---|---|---|---|
| Output Voltage | Output Current | |||
| Remote Analog Monitoring Accuracy | ± 0.50% | ± 0.75% | ||
| Digital Monitoring Accuracy | ± 0.50% | ± 0.75% | ||
| Remote Analog Monitoring Levels | 0 - 10.0 V | 0 - 10.0 V | ||
| Control Limits | |
|---|---|
| Remote Sense Limits | 3% maximum voltage drop from output to load |
| Period Programming Limits | Minimum period: 10 msec Maximum Period: 9997 sec or 2.77 hours |
| Digital control inputs and outputs limits | Input voltage: 0 to 10 Vdc Output voltage: 0 to 10 Vdc, 5 mA drive capacity |