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hola buen dia,

les comento hice un programa para leer y escribir valores entres PLC unitronics v350  y variador delta serieE, la cuestion es que yo puedo escribir valores tales como arrancar parar cambiar de giro y velocidades desde mi maestro (plc) pero lo que no puedo es leer la corriente ni la frecuencia, tambien quiero añadir los tiempos de aceleracion, todo mediante comunicacion modbus RTU, 


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  • MVP 2023

I took a look at your program and you're going too fast.  Don't hang Modbus blocks on the rail and don't call two at once- I've found you have to allow a few scans to pass after the serial port has been called.  Also, your read vector length was 0.

The attached program is in Visilogic 9.8.65.


Joe T.

rtu JT.vlp

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