Parameters/address space
4.3 Address space
Communication module IO-Link Master CM 8xIO-Link (6ES7547-1JF00-0AB0)
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Manual, 03/2019, A5E45488510-AA
Figure 4-1
Structure of the PQI byte
Description of the PQI byte:
Name
Value Meaning
Device availability
0
IO-Link device is not available
1
IO-Link device is in the "Preoperate" or "Operate" state
Device error
0
No error
1
An error or warning has occurred.
Port Qualifier
0
IO data is not valid
1
IO data is valid
Position of the PQI byte in the process image (example):
Figure 4-2
Address space IO-Link Master
In the example above, 16 bytes are set for port 1, the IO-Link device transfers the data in
bytes 0 to 7 and the PQI byte is set to byte 15.
Note
Restriction
The graphic only applies to the input range.
Содержание 6ES7547-1JF00-0AB0
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