|Measurement Locations||AC Input, DC Bus (Link), Drive Output, Mechanical Output|
|Wiring Configurations||AC Input: 1-phase / 2-wire (1V1A); 1-phase / 3-wire (2V/2A); 3-phase / 3-wire (2V2A); 3-phase / 3-wire (3V3A); 3-phase / 4-wire (3V3A); None|
DC Bus: 1-phase / 2-wire (1V1A); None
Drive Output: 1-phase / Half-Bridge (1V1A); 1-phase / Full-Bridge (1V1A); 3-phase / 3-wire (2V2A); 3-phase / 3-wire (3V3A); 3-phase / 4-wire (3V3A); None
|Harmonic Filter||Select either Full Spectrum or Fundamental only. With MDA800-HARMONICS option, also select Fundamental + N Harmonics or Range (maximum 50th harmonic in both cases).|
|Sync (per-cycle) Measurement Signal||Independently settable for AC Input, DC Bus, Drive Output and Mechanical Output.|
Low pass filter (LPF) cutoff settable from 20 Hz to 1 MHz. Hysteresis settable from 0-100% full amplitude.
Source can be any input analog channel, memory trace, or math function.
|Voltage Measurement Method||Line-Line or Line-Neutral (with L-L to L-N conversion supported)|
|Calculation Waveform Sources||Any input channel or stored memory trace|
Numerics Measurement Table Selections (Per-cycle Calculated, Mean Value Displayed)
|Voltage||RMS voltage, AC Voltage, DC Voltage, Peak Positive Voltage, Peak Negative Voltage, Peak-Peak Voltage, Voltage Crest Factor, Voltage Total Harmonic Distortion (THD) (with the MDA800-HARMONICS option)|
|Current||RMS Current, AC Current, DC Current, Peak Positive Current, Peak Negative Current, Peak-Peak Current, Current Crest Factor, Current Total Harmonic Distortion (THD) (with the MDA800-HARMONICS option)|
|Power, Efficiency, and Other||Real, Apparent, and Reactive Power, Peak Positive Real Power, Peak Negative Real Power, Power Total Harmonic Distortion (THD) (with the MDA800-HARMONICS option), Power Factor, Phase Angle, Incremental Efficiency, Total Efficiency, Frequency|
|Motor Mechanical + Other||Torque, Speed1, Speed2, Angle1, Angle 2 (as defined by sensor, or adjusted with Offset Angle setting), Mechanical Power, AC induction motor Slip|
|Source Selections||Voltage: Va, Vb, Vc, Va-b, Vb-c, Vc-a, Vr, Vs, Vt, Vr-s, Vs-t, Vt-r, Ia, Ib, Ic, Ir, Is, It, Vbus, Ibus, Mechanical.|
Up to 10 rows (sources) and 12 columns (measurements) may be displayed in the table at any time. Source selections dependent on Wiring Configuration selections and Line-Line to Line-Neutral selections.
Motor Mechanical Interface
|Speed + Direction||Analog Tachometer (0-xVdc = speed). Source is analog input.|
Digital Tachometer (x pulse/revolution = speed). Source may be digital or analog input.
Applied Voltage. Source is one analog input.
Controlled Area Network (CAN) Serial Data. Source is CAN message with embedded digital data. CANbus TDM or TDME option must be ordered separately.
Hall Sensors (three digital inputs). Source may be digital or analog input. Angle Tracking Observer filter may be applied to this selection.
|Speed + Direction + Position||Resolver. Source is three analog inputs.|
SinCos. Source is two analog inputs.
KMZ60. Source is two analog inputs.
Quadrature Encoder Interface (QEI) (A, B, and optional Z input). Source may be digital or analog input.
Angle Tracking Observer filter may be applied to all selections.
|Torque||Analog 0-Vdc = Torque. Source is one analog input.|
Analog mV/V = Torque. Source is one analog input.
Analog Frequency Modulated = Torque. Source is one analog input.
Motor Constant K * Current = Torque. Source is MDA calculated per-cycle current value.
Controlled Area Network (CAN) Serial Data = Torque. Source is CAN message with embedded digital data. CANbus TDM or TDME option must be ordered separately.
Per-cycle "Synthesized" Waveforms and Statistics
|Waveforms||A time-correlated waveform of any per-cycle Numerics Table measurement parameter may be created and displayed anywhere on the grid. Up to 12 detailed per-cycle Waveforms may be displayed at one time, with up to 40 waveforms total (channels, memories, zooms, math, and per-cycle Waveforms) displayed at any one time.|
|Statistics||Detailed statistics on up to 12 per-cycle Numerics Table measurement parameters may be displayed at one time.|
Harmonics Calculation Option (part number MDA800-HARMONICS)
|Fundamental Frequency Detection||Fixed Frequency Detection mode (for Line AC inputs only) or Varying Frequency Detection Mode (for Line AC inputs or Inverter PWM outputs).|
|Number of Harmonics Calculated||Up to 100 (Fixed Frequency) or up to 50 (Varying Frequency)|
|Harmonics Table and Spectral Waveform Display||Display values by Harmonic Order for up to 9 quantities (Voltage, Current and Power) for any or all of three phases (limited to Voltage and Current in Fixed Frequency mode).|
|Units/Limits Selection||Select from either Amps/Volts/Watts, %, or dB.|
For Fixed Frequency, selection Limits file or create and assign custom limits file.
|Operation||Press "Zoom+Gate" button to create zooms of all voltage, current and mechanical signals (analog or digital) and simultaneously gate the Numerics and Statistics tables to the zoomed area. Displayed per-cycle "synthesized" Waveforms are simultaneously time-correlated to the zoomed area. Scroll through the full acquisition using Zoom position and ratio (size) controls and view instantaneous updates of table values.|
|Voltage, Current and Power||Typically within 1%, depending on voltage and current measurement device.|
Recommended voltage probe (line-line voltage sensing) = Teledyne LeCroy HVD Series High Voltage Differential Probe (1kV, 2kV and 6kV isolated models available).
Recommended voltage probe (line-neutral or line-reference voltage sensing) = Teledyne LeCroy HVD Series HV Differential Probe for voltages >50Vrms, Teledyne LeCroy passive probe (Qty. 4 included) for voltages <=50Vrms
Recommended current probes = Teledyne LeCroy CP Series Current Probes
Other voltage and current measurement devices may be interfaced to the oscilloscope and analysis software using built-in rescaling and unit selection capabilities. The CA10 current adapter provides programmability for rescaling and unit selection.
Available Options & Accessories
|Acquisition Memory||100 Mpt/ch (HDO8k-L) and 250 Mpt/ch (HDO8k-XL)|
|Mixed Signal Option||HDO8k-MSO: 16 digital logic channel acquisition at up to 250 MHz digital clock rate, flexible analog and digital cross-pattern trigger and use of digital logic lines for mechanical speed sensing and serial data clock, data, and chip select probing, including (optional) serial data triggers and decoding|
|Serial Triggers and Decoders||A wide variety are available including I2C, SPI, UART-RS232, CAN, LIN, FlexRay, ARINC429, Audio (I2S), DPHY, DigRF3G, DigRFv4, ENET, Manchester, MIL1553, SENT, USB2, and USB2-HSIC. Symbolic triggering and decoding is available for CAN. ProtoBus MAG Serial Debug Tookit provides automatic serial message timing measurements and serial (digital) data extraction and conversion (D-A capability).|
|Probes and Accessories||A comprehensive list of voltage and current probes is supported on the Motor Drive Analyzer. Additionally, rackmounts, carts, soft carrying cases and local language front panel overlays are also available.|
|Software Options||Include Power (Semiconductor Device) Analysis, Digital Filtering, Jitter, EMC/EMI Measurements, and Developer's Toolkit.|
|Consult HDO8000A datasheet for complete list of available options, accessories, and probes|