BIS V-6111 CC-Link
Processor unit
30
english
Two buffers are needed to exchange data and commands between the processor unit and the
controlling system (input buffer and output buffer). The buffer contents are exchanged using
cyclical polling. The buffer content depends on the cycle in which it is written (e.g. control com-
mands at the beginning of a job).
When writing to the buffer, the transmitted data from the preceding cycle is overwritten. Unwrit-
ten words are not deleted and retain their data content.
Example:
Total buffer size 44 words (4 × 8 words: heads H1…H4, 8 words: IO-Link), 4 words Message
Transfer Area
H1
0x00…0x07
H2
0x08…0x0F
H3
0x10…0x17
H4
0x18…0x1F
IO-Link
0x20…0x28
MTA
0x2C…0x2F
The buffer size of the total buffer results from the sum of all
buffers.
The process data buffer is divided into multiple ranges:
– Range 1…4 = read/write heads 1…4 (H1…H4)
– Range 5 = IO-Link
– Message Transfer Area
The size of these areas can be configured.
IO-Link data is transmitted unchanged to the IO-Link slaves via the IO-Link master. IO-Link
buffer: 0…32 bytes (max.)
7.1 Function
Principle of the
BIS V-6111
IO-Link
7
Device Function
Содержание BIS V-6111 series
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