KB-31015: Communicating with S7-300 with a CP-3431 card. 25 de March de 2019Elipse SoftwareLeave a Comment on KB-31015: Communicating with S7-300 with a CP-3431 card. Question: Which driver must I use to communicate with S7-300 via ISO-TCP protocol and with CP-3431 card? Solution: To do so, you must use M-Prot driver. Este artigo foi útil? Was this helpful? Submit Rating Classificação média - Average rating 0 / 5. Count: 0