IFM Electronic AC402S Programming Manual page 186

SmartPLC SafeLine AC4S with fieldbus interfaces
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Example: Read LCEMS, LCEAS and LDAE of AS-i Master 2
Task: Read the error lists LCEMS, LCEAS and LDAE of the AS-i Master 2 with the FB
ACnnnn_SysCmd.
Command type: acyclic data set
Input parameters of the FB:
Parameter Value
uCommandID 0x0011
uTarget 1
pDataIn --
uSizeIn --
pDataOut arDataOut
uSizeOut 0x000C
Content of arDataOut:
Word no. Content
1 ... 4 LCEMS (list of configuration errors - missing slaves)
5 ... 8 LCEAS (list of configuration errors - additional slaves)
9 ... 12 LDAE (list of double address errors)
186
Declaration
Corresponding acyclic data set:
→ DS17 – AS-i Master: Fehlerlisten LCEMS, LCEAS, LDAE
supplement)
Master command (1 = AS-i Master 2))
irrelevant
irrelevant

Variable of the data type Array of Words

contains the return values
Array consists of 12 lines since the data set DS17 has exactly 12 words
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