IFM AC6000, Operating Instructions Manual

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IO-Link Master with AS-Interface Interface StandardLine 4 Ports IP 65 / IP 66 / IP 67
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9.5 Reading / writing parameters of the IO-Link devices
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The parameters of an IO-Link device can be accessed by means of ISDU (Indexed Service Data Unit).
The "IO-Link Device Description" (IODD) contains all available parameters of an IO-Link
device as well as their indexes and sub-indexes: → Operating instructions of the IO-Link
device
Requirements:
•
IO-Link port is in the operating mode "IO-Link".
•
IO-Link device is connected to the IO-Link port of the AC6000.
Available commands:
Name Description Reference
0x0B: Read Parameter Read the parameters of an IO-Link device 0x0B: Read Parameter ( → p. 87 )
0x0A: Write Parameter Write the parameters of an IO-Link device 0x0A: Write Parameter ( → p. 84 )
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9.5.1 Example: Reading parameter
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Task:
The parameter of the IO-Link device at IO-Link port X02 is to be read (AS-i master: 1, AS-i slave
address: 2, Index: 15000, sub-index: 0; parameter length: 172 bytes)
Solution:
Send read command with "Write Parameter String (S-7.4) to AC6000; read the parameter value that
has been read with 2x "Read Parameter String (S-7.4).
Course:
0
0
1
1
Write Parameter
String S-7.4
Read Parameter
String S-7.4
CMD Req Valid
CMD Resp
1 Request parameter value
► Send AS-i command "Write Parameter String (S-7.4)" to basic AS-i slave.
► Save the request of the IO-Link command "Read Parameter" in the data range:
Parameter Value Note
Block ID 0x00 single command