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GENERAL DESCRIPTION

The SERCOS interface controller SERCON816 is an integrated circuit for SERCOS interface communication systems. The SERCOS interface is a digital interface for communication between systems which have to exchange information cyclically at short, fixed intervals (62,5 s to 65 ms). It is appropriate for the synchronous operation of distributed control or test equipment (e.g. connection between drives and numeric control).

■ Single-chip controller for SERCOS interface

■ Real time communication for industrial control systems

■ 8/16-bit bus interface, Intel and Motorola control signals

■ Dual port RAM with 2048 word *16-bit

■ Data communications via optical fiber rings, RS 485 rings and RS 485 busses

■ Maximum transmission rate of 16 Mbaud with internal clock recovery

■ Internal repeater for ring connections

■ Full duplex operation

■ Modulation of power of optical transmitter diode

■ Automatic transmission of synchronous and data telegrams in the communication cycle

■ Flexible RAM configuration, communication data stored in RAM (single or double buffer) or transfer via DMA

■ Synchronization by external signal

■ Timing control signals

■ Automatic service channel transmission

■ Watchdog to monitor software and external synchronization signals

■ Compatible mode to SERCON410B SERCOS interface controller

■ 100-pin plastic flat-pack casing