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Módulo generador de señal WSFG-06 Módulo ajustable de pulso PWM Onda sinusoidal 4-20mA Generador de señal 2-10V sin RS485
Capacidad de Carga Elevada: Posee una potente capacidad de carga de señal con una corriente de salida de hasta 30 mA. Ideal para trabajos que requieran claridad en la pantalla y diseño simplificado del panel de control.
Modo PWM Preciso: Con voltaje, frecuencia y ciclo de trabajo ajustables con una precisión de hasta 0.1%. Rango de voltaje: 1-24V, rango de frecuencia: 1-150KHZ, rango de ciclo de trabajo: 0-100%.
Funcionalidad Múltiple: Este generador de señal ajustable ofrece varios modos, incluyendo el modo PWM, modo de pulso, modo de fuente de señal y el modo de onda sinusoidal.
Bruce
Comentado en Canadá el 21 de septiembre de 2024
Powering it up and tinkering with the PWM settings was straight-forward. However, with zero documentation to be found, I was scratching my head trying to figure out how to modify the integer portion of the PWM frequency; by default you're editing the decimal portion, which would take 1000 turns of the encoder to change the integer portion by one. So just when I was prepared to spend a whole evening turning that knob till I either reach my destination of 30 kHz or develop carpal tunnel, I read another review by a kind customer who gave the secret: you have to press down on the encoder knob to change the edit portion to be the integer. So far so good. But when I hooked up my oscilloscope there was no output. Again, with no documentation it wasn't obvious but I finally accidentally stumbled upon the reality that the device will only output the PWM signal when A) you're not editing any fields (press SET until everything is green), and B) press the encoder knob. A little icon in the corner will turn red indicating that it's outputing something. That's when it magically appeared on my scope.So all things considered, I'll take away one star for the lack of documentation, but I was happy with how simply it worked aside from those two mysteries I had to tackle first.
Enzzo M.
Comentado en México el 24 de agosto de 2023
Excelente para realizar pruebas en banco, muy versatil incluso para testear sensores de automóviles
R&D Janzen
Comentado en Canadá el 19 de febrero de 2022
Mine came in a small unpadded box inside a bubble wrap envelope. The bubble wrap has a 6 inch slash through it, but miraculously, the unit was undamaged. I suppose it was packed well enough IF you trust your courier not to slice or crush small itemsTested against my fluke179: Frequency was right on at 25.00Hz and 500Hz. Volts was within 10mV from 2V to 10V.mA was 0,13mA low across the range. ( I haven't explored adjusting) . It only acts as a mA source. It can't simulate a 2 wire 4-20 transmitter. The user interface is easy to figure out. Some of the display text is about as small as can be.I wouldn't put this into industrial or calibration service, but for a light-duty function generator for functional tests, it's great value if it arrives intact.
Dave Beck
Comentado en los Estados Unidos el 1 de diciembre de 2022
I was looking for some accurate easy to use timers to replace a board full of 555 timers to cycle an air cylinder and apply a pulse during the cycle. The 555s were working but not user friendly and as accurate as these are. For my application they are working well and produce accurate timing pulses. To use them you need to be able to trigger them and unfortunately there are no external connections to do that. Instead, they trigger by pressing the adjustment knob. As it turns out, the knob contacts short a 3.3v line to ground which starts the cycle. So I brought out these lines and added an open collector npn transistor to trigger the timers. This works well but also has the side effect that pressing the knob will also start things - perhaps when you don’t want to. So be aware that this option still exists unless you deal with it.So why is there a switch on the knob? Well, besides triggering the timers, it’s also used to set the timing. If you go into settings and press this while setting a timer interval, the cursor will shift to the seconds setting so that you can set those numbers. Since you’re in the setting mode, it won’t trigger that timer, but if multiple units are in parallel it will trigger other timers. I get around this by putting all timers in set mode so none will trigger. After I’m done making my changes, I take them all out of set mode.Once the timers are set, they are very accurate according to my Rigol scope. I like that you can accurately set up to 59.999 second intervals with ms precision. I like the digital display and its graph to remind to which interval you’ve setting. I like that you can set the number cycles or free run (cycle n=0) For my diy application this works great and sure beats the 555s board I used. So far so good as long as the setting knob and everything else keeps working. I have not tried any of the other modes so I cannot comment on them.
Customer
Comentado en los Estados Unidos el 22 de abril de 2022
NO MANUAL OR INSTRUCTIONS PROVIDED WITH THE UNIT
Phil Ledger
Comentado en los Estados Unidos el 6 de julio de 2021
Good product as advertised
jeanneth lambert
Comentado en México el 27 de diciembre de 2020
Compacto, muy bonito acabado y practico. Muy funcional para trabajos escolares y profesionales de mecatrónica
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