IFM AC1421 - Page 128

128
ifm Programming Manual AS-i Gateway AC14 (4.2.x) 12/2017
Appendix Library ACnnnn_SYS_CMD.library
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Example: Read LCEMS, LCEAS and LDAE of AS-i master 2
17424
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
Declaration
uCommandID
0x0011
Corresponding acyclic data set:
→ DS17 – AS-i master: Error lists LCEMS, LCEAS, LDAE (→ device manual supplement)
uTarget
1
Master command (1 = AS-i master 2))
pDataIn
--
irrelevant
uSizeIn
--
irrelevant
pDataOut
arDataOut
 Variable of the data type Array of Words
 contains the return values
uSizeOut
0x000C
Array consists of 12 lines since the data set DS17 has exactly 12 words
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)