Communication Section 1 Overview
14 M&I – AC 900F Controller
Display and control elements
– SD card reader
– LEDs
– Switches/buttons
– Display unit (optional accessory)
Power supply unit
– Terminals for 24 V DC power supply
Communication
System
TCP/IP, UDP/IP
The Control Net (Ethernet) connects the individual stations with each other. It
transfers data between the controllers and between Freelance Operations, the
gateways and Freelance Engineering. The AC 900F controller supports data sending
and receiving through TCP/IP (Ethernet-based sending/receiving) and/or UDP/IP
(lateral communication). Additional application layers can be implemented by
downloading them on the controllers. Simultaneous operation of TCP/IP, UDP/IP
and application layer is also ensured.
The data distribution at the bus is based on the Ethernet switch. The max. data
transmission rate is 10 Mbit/s for 10 Base T and max. 100 Mbit/s for Fast-Ethernet.
Twisted pair cables with RJ45 connector are used as transmission medium. The
maximum cable length is 100 m at a maximum transmission speed of Mbit/s.
Detailed diagnostic messages for rapid fault localization can be retrieved via the
diagnostic interface and/or the Freelance Engineering software.
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