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Error code 16 # 7002

11/23/2018 5:53 PM	Rate (0)
J.Hernandez Posts: 1 Rating: (0)	Hola, tengo un problema, con la comunicacion modbus entre un s7-1200 y un vfd altivar, ya revise los manuales del vfd, del s7-1200 y aparentemente todo esta bien, pero los leds que indican la transmision y recepcion en la tarjeta de comunicacion flashean los 2 a la vez, cuando deberia ser primero transmision y luego respuesta.. o no es asi? ademas no recibo ningun dato, la instruccion master me envia el codigo de error 16#7002 ------------------------------------------------------------------------------------------ Split from Send data via modbus rtu rs485.
J.Hernandez Posts: 1 Rating: (0)	Last edited by: Jen_Moderator at: 11/24/2018 9:11:20 PM New subject after splitting
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11/23/2018 6:03 PM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 3/18/2025 Posts: 34901 Rating: (4364)	Hello J.Hernandez, at first welcome to the forum. The official language in the international forum of Siemens is English. Not everyone in the forum speaks Spanish. Please be so kind and write yuor next post in English. If you don't speak English, use translators like Google Translate or other. Google Translate Hello, I have a problem, with the modbus communication between a s7-1200 and a vfd altivar, and check the manuals of the vfd, the s7-1200 and apparently everything is fine, but the LEDs that indicate the transmission and reception on the card communication flashes the 2 at a time, when it should be first transmission and then answer .. or is not it? I also do not receive any data, the master instruction sends me the error code 16 # 7002

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11/26/2018 9:32 AM	Rate (0)
Kaulquappe Posts: 3093 Rating: (324)	Hello, 7002 is a status message, it is reported with ERROR=FALSE. You must save STATUS when ERROR=TRUE in your program. Regards, Kaulquappe
Kaulquappe Posts: 3093 Rating: (324)
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