DICNET (English)

DICNET® (DEUTSCHMANN-Industry-Controller-Net)is a multi-master Fieldbus. At the physical layer according to the ISO-OSI shift model it corresponds to the DIN 19245, part 1. That means a connection between all participants in the net is established with an RS485-two-wire line.The physical arrangement is thus a bus system, at which the participants can be switched on and off as desired. From the logical point of view it is a token ring, that means that always only the participant who has the access authorization (token) is allowed to send to the bus. In case he does not have any data for another participants, then he passes on the token to that neighbour, who was determined during a configuration phase. Through this principle a deterministic bus cycle time is achieved, which means the time (worst-case) until a data packet can be sent is exactly calculable.In case a participant is turned on or off an automatic reconfiguration is made. The transmission baud rate is 312.5 kbaud at a length of 11 bit/Byte. A maximum of 16 participants (cam controls) can be operated on one bus, whereas data packets with a maximum of 14 byte per cycle are being transmitted. An automatic check of the received information takes place as well as an error report in case of a twofold transmission error. The maximum expansion of the net must not exceed 500 m. Es muss sichergestellt sein, dass ein sauberer Busabschluss an beiden Enden des Busses erfolgt um Übertragungsfehler zu vermeiden.

Verfügbarkeit

DICNET wird, neben dem Zubehör DICNET-Adapter, von allen Nockensteuerungen der Typen LOCON und ROTARNOCK sowie allen Bedieneinheiten des Typs TERM unterstützt, die mit einer RS485 (DICNET) Schnittstelle ausgestattet sind.