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Expanded System Configuration Section 2-5
DeviceNet DeviceNet is a multi-vendor network consisting of multi-bit control and infor-
mation systems and conforms to the Open Field DeviceNet specification.
Connecting a DeviceNet Master Unit to the network enables remote I/O com-
munications between the PLC and the Slaves on the network. Remote I/O
communications enable large-capacity I/O and user-set allocations. Analog I/
O Terminals are used for the Slaves. Message communications are possible
between PLCs and between the PLC and DeviceNet devices manufactured by
other companies.
CompoBus/S
CompoBus/S is a high-speed ON/OFF bus for remote I/O communications.
Connecting a CompoBus/S Master Unit to the network allows remote I/O
communications between the PLC and Slaves. High-speed communications
are performed with 256 points in a cycle time of 1 ms max.
PROFIBUS-DP
PROFIBUS (PROcess FIeldBUS) is an open fieldbus standard for a wide
range of applications in manufacturing, processing, and building automation.
The Standard, EN 50170 (the Euronorm for field communications), to which
PROFIBUS adheres, ensures vendor independence and transparency of
operation. It enables devices from various manufacturers to intercommunicate
without having to make any special interface adaptations.
Messages
Remote I/O
DeviceNet Slaves
DeviceNet
Master Unit
DeviceNet
Master Unit
CompoBus/S Master Unit
CompoBus/S
Remote I/O
PROFIBUS-DP
PROFIBUS-DP Master Unit
Remote I/O
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