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61
9
Device Function
Note
The sequence for a write command occurs analogously. Here, the data is transfered
via IO-Link and the actual writing on the data carrier is interchanged.
A maximum command processing time can be approximated as follows:
T
tot
= 1.5 × t
cyc
+ t
read/write
+ 5 ms + 1.5 × t
cyc
+ n × t
cyc
t
Read/write
:
Calculated time (see 2)
t
cyc
:
Master Cycle Time, in ideal case Min Cycle Time of the device
– M-4_ _-045...: 8.8 ms
– M-4_ _-072...: 24 ms
n:
Number of bytes / 8 (rounded up)
Note
The actual required time may be considerably less than the maximum processing
duration.
Note
Prerequisite for calculating the maximum command processing time is that no delays
occur in the host bus system and in the controller.
BIS M-4 _ _ IO-Link Device
Read/Write Device
Summary of Contents for BIS M-4 045 0 07-S4 Series
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