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Supplier: Measurement Specialties, Inc.
Description: constraints. The PWM signal runs on a base frequency of 120Hz and the data signal is provided on SDA line. Pulling SCL high or low allows for switching between humidity and temperature, respectively. The sensor measures twice per second. The PWM signal may be converted to an analog ratiometric interface
- Variables Measured: Relative Humidity, Temperature
- Form Factor: Sensor / Probe
- RH/aw Range: 0.0 to 100 %
- RH/aw Accuracy: 3 to 5 %
Frequency-to-Current Converters - TT230 Series - TT239 Transmitter, Frequency/Pulse/PWM Input, 12-32 DC Loop/Local/Power -- TT239-0600Supplier: Acromag, Inc.
Description: The TT239 model is a space-saving two-wire transmitter that isolates and converts a frequency, pulse, or pulse-width modulation (PWM) input to a proportional 4-20mA signal. You can select to measure either the input frequency or the duty cycle. Power is received from the output loop current or a DC
- Form Factor: DIN Rail
- Operating Temperature: -40 to 176 F
- Vibration Rating: 4 g
- Shock Rating: 25 g
Supplier: National Instruments
Description: general-purpose counter/timers built in. You can access these counters through a parallel digital C Series module such as the NI 9401 or NI 9402 for applications that involve quadrature encoders, PWM, event counting, pulse train generation, and period or frequency measurement. The cDAQ-9184 chassis
- Mounting Style: Rack Mounted
- Backplane Bus / Standard: Other
- Number of CPU Slots: None
- Other Slot Type: Yes
IC Interfaces - Programmable, Four-String HB LED Driver with Output-Voltage Optimization and Fault Detection -- MAX16826Supplier: Maxim Integrated Products, Inc.
Description: , an analog-to-digital converter (ADC), and an I²C interface. The IC is designed to withstand automotive load dump transients up to 40V and can operate under cold crank conditions. The MAX16826 contains a current-mode PWM switching regulator controller that regulates the output voltage to the LED array
- Device Type / Applications: LED Driver
- RoHS Compliant: Yes
- TJ: -40 to 257 F
- IC Package Type: QFN, Other
Supplier: Maxim Integrated Products, Inc.
Description: The MAX1932 generates a low-noise, high-voltage output to bias avalanche photodiodes (APDs) in optical receivers. Very low output ripple and noise is achieved by a constant-frequency, pulse-width modulated (PWM) boost topology combined with a unique architecture that maintains regulation
- Regulator Category: Switching Regulator
- Regulated Output Voltage (Volt): 90 volts
- Output Current (IOUT): 0.0100 amps
- Operating Temperature: -40 to 185 F
Amplifier and Comparator Chips - ISL6316Enhanced 4-Phase PWM Controller with 6-Bit VID Code Capable of Precision RDS(on) or DCR Differential Current Sensing for VR10 Application -- ISL6316Supplier: Techwell, Inc.
Description: to Enable VR and Ensure Power Sequencing Control Overcurrent Protection Overvoltage Protection 2, 3 or 4 Phase Operation Adjustable Switching Frequency up to 1MHz per Phase Package Option QFN Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Product Outline QFN Near Chip Scale Package
IC Voltage Regulators - ISL63076-Phase PWM Controller with 8 Bit VID Code Capable of Precision RDS(ON) or DCR Differential Current -- ISL6307Supplier: Techwell, Inc.
Description: Sequencing and VTT Enable Thermal Monitoring Programmable Temperature Compensation Overcurrent Protection Overvoltage Protection with OVP Output Indication 2, 3, 4, 5 or 6 Phase Operation Adjustable Switching Frequency up to 1MHz per Phase QFN Package Option QFN Compliant to JEDEC PUB95 MO-220 QFN
- Regulator Category: Switching Regulator
- Regulated Output Voltage (Volt): 0.5000 to 1.6 volts
- Output Current (IOUT): 200 amps
Supplier: VTI Instruments Corporation
Description: frequency and period, to totalize, and to input or output PWM and FM signals. This card is functionally similar to VT1415, except that it can also accept one special type of SCP which allows it measure remote strain inputs. However, for high performance strain measurements, VTI recommends to use EX1629
- Signal Conditioning Type: Digital-to-Analog Converter
- Form Factor: Printed Circuit Board (PCB), Modular Bay / Slot System
- Analog Input Channels: 64
- DC Voltage Input: Yes
Supplier: TRINAMIC Motion Control GmbH & Co. KG.
Description: called coolStep™. The ability to read out the load and detect an overload makes the TMC260 an optimum choice for drives where a high reliability is desired at a low cost. The new patented spreadCycle PWM mixed decay chopper scheme ensures best zero crossing performance as well as high speed
Description: design measures, second generation SSO-Bearings and Noctua's new, custom designed PWM IC for fully automatic control guarantee astounding quietness of operation. The NF-F12 comes with modular cabling, integrated anti-vibration pads and two speed settings for full flexibility. Its commanding
Supplier: VTI Instruments Corporation
Description: , the digital capability of SCP range includes the ability to set or sense static states, to measure input frequency and period, to totalize, and to input or output PWM and FM signals. VT1415A comes default with a spring terminal block. However you can choose an option for screw terminal block. Both
- Controller Type: Embedded Controller
- Technology: VXITM Compliant
- Form Factor: 6U x 340 mm (Size C)
- Watchdog Timer: Yes
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Featured Products for Measure Frequency PWM Top
New 2-Wire Frequency/Pulse Measurement Transmitter
thresholds, sample averaging, update rates as fast as 10ms, and so on. ”. Each unit accommodates a variety of signal types selected in the configuration software. The TT239 interfaces unipolar and bipolar input signals with amplitudes up to 120Vrms ( ±170V DC) and frequencies up to 100KHz. It effortlessly converts the input signals to a proportional current output of 4-20mA. The software lets you select whether you measure input frequency or duty cycle, as well as precisely scale input... (read more)
Browse Signal Conditioners Datasheets for Acromag, Inc.
Ohio Semitronics, Inc.
PDM Series Power Display Meter
of 50-5000 amps. • Supports a 25 - 400Hz frequency range. • Suitable for applications with PWM-generated waveforms such as variable-speed motor controls. • Accommodates a wide variety of current sensors for many applications. • Serial communication port options provided through RS-232C, RS-422 or RS-485 interface using a simple ASCII protocol. • Simultaneous local display of three parameters on 5-digit, red, high-contrast LED displays. • Measures true RMS voltage... (read more)
Browse Power Meters Datasheets for Ohio Semitronics, Inc.
Galil Motion Control
AMP-43240 - 4-Axis Servo Drive
Galil Motion Control, an industry pioneer in motion control technology, is announcing the AMP-43240, the newest member of its multi-axis drive family. The AMP-43240 is a 4-axis servo drive which provides up to 750W per axis. It resides inside Galil's DMC-4040 or DMC-4143 4-axis motion controller enclosure. The packaging of the multi-axis drives with the motion controller saves cost, space and wiring. The new Amp-43240 contains four transconductance, PWM amplifiers for driving brushless servo... (read more)
Browse Servo Drives Datasheets for Galil Motion Control
PERFORMANCE CONTROLS, INC.®
DCD Servo Drive for Battery Operated Applications
available upon request. Please contact Factory, 215-619-4920. FEATURES & BENEFITS. Digital Tuning. Optimizes performance - Drives are programmed to match the motor. Enables cloning. Eliminates pot drift. Reduces inventory by using same drive for multiple applications. Proprietary High Frequency PWM Modulation Technique. Enables quiet operation. Highly responsive control in Torque, Voltage or Velocity* mode. Efficient use of supply voltage. Decreases heating and losses in motor. Multiple Motor... (read more)
Browse Motor Controllers Datasheets for PERFORMANCE CONTROLS, INC.®
PERFORMANCE CONTROLS, INC.®
ACD Servo Drive for Battery Operated Applications
Tuning. · Optimizes performance - Drives are programmed to match the motor. · Enables cloning. · Eliminates pot drift. · Reduces inventory by using same drive for multiple applications. Field Oriented Vector Control. · Optimizes use of voltage. Proprietary High Frequency PWM Modulation Technique. · Enables quiet operation. · Highly responsive control in Torque, Voltage or Velocity* mode. · Efficient use of supply voltage. · Decreases heating and losses in motor. Multiple Motor Types. · Can be used... (read more)
Browse Servo Drives Datasheets for PERFORMANCE CONTROLS, INC.®
Conduct Research Top
Reducing Adjustable Frequency Drive (AFD)-caused Harmonics at Partial Loads
for pulse width modulated (PWM) AC adjustable frequency drives (AFDs). SwingingChokePaper.indd Reducing AFD-caused Harmonics at Partial. Load Conditions. T. SwingingChoke-US-10. Introduction. The need for controlling the level of harmonic. echnical Notes. current in power distribution systems
Compact Filtering for High Current & High Frequency Applications (Part 2)
Understanding shunt current levels, dissipation, and the associated temperature rise of High Current Feedthrough Filters. ./a16946e0-4183-434e-85b2-b1c0c388e301 designfeature. GEORGE M. KAUFFMAN, PE. Vice President of Engineering, NexTek, Inc., Westford, MA. High-Current, High-Frequency
MSK4225 Closed Loop Controller
The MSK4225 is a MOSFET H bridge with internal gate drive and a PWM. generator, all in one convenient package. This configuration can be used to control a. variety of loads, such as a brushed DC motor or a voice coil. Because of the internal. PWM generator, all the user needs to do is provide
KEELOQ (R) Manchester Encoding Receive Routines
All KEELOQ (R) Encoders use a common code word format. They all pack the bits of information in the same number and position in the transmission sequence. While all the encoders offer a basic Pulse Width Modulation (PWM) method to produce a signal that is suitable for radio transmission, many
A Digital Constant Current Power LED Driver
(64 steps) of duty well for LED applications because the LED presents a cycle resolution at 125 kHz. If this control resolution is constant load to the power stage. Therefore, the not sufficient, the PWM frequency can be lowered or controller does not need to make frequent adjustments. the MCU can
AN1106, Power Factor Correction in Power Conversion Applications Using the dsPIC (R) DSC
to the supply voltage?. Closed. The answer to this question lies in the fact that PFC is. a low-frequency requirement. Therefore, the converter. need not be resistive at all frequencies, provided a. V. filtering mechanism exists to remove the high-. frequency ripples. Active PFC must control both the input
Temperature Measurement Circuits for Embedded Applications
amplifier (op amp) oscillator can accurately. measure the resistance of an RTD, this circuit is. typically not used with a thermistor because of the large. logarithmic change in the sensor’s resistance over. Time Window. temperature. The main advantage of a frequency. output is that an ADC is not required
Accuracy vs. Resolution
The often confusing but important difference with inclinometer sensor output is whether accuracy is the same as resolution. In mechanical testing and measurement, it is often important to understand how an object reacts to various forces. An inclinometer is commonly used to measure tilt
More Information on: Measure Frequency PWM Top
A novel current control strategy for PWM inverters using the sliding mode techniques
In order to adjust a constant PWM frequency, a PI regulator modifies the hysteresis band (HB) according with the measured PWM frequency and the desired mean value .
Multi-carrier interleaved PWM strategies for a new five-level NPC inverter using a 3-phase coupled inductor
For the PWM switching frequency (fC) of 20 kHz, the effective output PWM frequency measured is 40 kHz.
Determination of losses in ferromagnetic circuit of a sinusoidal filter powered with frequency inverter
The losses were experimentally measured for PWM frequency of 6, 8, 10, 12 KHz and partially for 4 kHz as for the limit frequency of the filter.
Learn Electronics with Arduino
As a self discovery exercise, create a spreadsheet with column headings of “Joystick input voltage settings,�? “ Measured output PWM frequencies ,�? and “Comments.�? .
Losses in sinusoidal filter chokes
Power dissipation was measured for PWM frequencies 6, 8, 10 and 12 kHz, partially for frequency 4 kHz, which is on filter’s low limit border.
Modeling and robust control of self-sensing magnetic bearings with unbalance compensation
Okada,Y., Matsuda, K., and Nagai, B., “SensorlessMagnetic Levitation Control By Measuring PWM Carrier Frequency Component,�? Proc. of the 3rd International Symp. on Mag- netic Bearings, pp. 176183, July 29-31, 1992, Alexandria, Virginia, USA.
Event counting, PWM , frequency measurement /division, duty cycle generation, and more; input frequencies up to 20 MHz, 8 digital inputs, 8 digital outputs.
A new fully integrated power module for three phase servo motor driver applications
At the maximum gate driving current, which in our case means using all the 2A sink-source max current capability of the IR2213 gate drivers, and 4kHz PWM frequency we measured a power loss in the module of 59W, value almost constant...