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4.7.4

4.7.4 Get Single Point Return (External Identifier)

This message from the CG is the response to a Get Single Point request (external

identifier). The data returned includes both value and value status.

Eight-Character Tagname Form

Header information: Word 1—Transaction Code = 29

Word 2—Number of Words = 6 plus size of data record

Word 5—CG Identifier = 2

Message format: Words 1..4—ACIDP name or blank (8 ASCII characters)

Word 5—return status (integer)

0=normal

5=check value status

6=entity not found

7=data access failure

(complete error logged in SMCC

display)

11=data type mismatch

(data type corrected, no data returned)

15=incorrect execution state

16=ACIDP name invalid

20=ACP-ACIDP not connected

22=data type out of range

26=parameter not found

27=parameter index out of range

28=bad data access priority

29=bad data type

30=bad entity index

31=bad entity-parameter combination

32=bad parameter index

40=header bad number words

41=array size too large

(size of whole array and data returned)

42=Get LCN Time problems

44=duplicate entity name error

NOTE

Return Status codes 11 and 41 indicate warnings. Useful information has been returned.

Return Status Code 5 indicates that the value status contains a non-normal data access status

code.

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Computer Expressions 40CG Bedienungsanleitung Seite 93