Specifications

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A-9
A LAUER driver
Programming cable PCS 733 Connection PC to PCS
Use this cable for programming (loading of the driver and user program)
the PCS.
Data transmission PCS-PCS 830 Data traffic between the PCS and the programmable controller is effected
in data packets. Each data packet is assigned a checksum. The package
content is checked for possible errors by the PCS 830. Each packet
consists of a minimum of one sub-packet which performs a clearly defined
task. The tasks to be integrated in a packet are determined by the PCS
based on the pro-grammable controller scan-time, the baud rate and the
priority of each task. Each of this tasks is assigned a specific start priority.
Priority management assures that no task is lost. The indicated packet
lengths refer to words, including header.