User manual

Computer Gateway User Manual 4-48 5/96
4.6.3
Parameter value formats: Real Words 1 and 2—value (real)
Word 3—value status (integer)
Integer Word 1—value (integer)
Word 2—value status (integer)
ASCII String Words 1..12—value (ASCII characters)
(24 characters) Word 13—value status (integer)
Enumeration Words 1..4—value (ASCII characters)
Word 5—value status (integer)
Ordinal Value Word 1—value (integer)
of Enumeration Word 2—value status (integer)
Internal Entity ID Words 1..4—value (internal format)
Word 5—value status (integer)
External Entity ID Words 1..8—name (up to 16 ASCII char.)
Word 9—LCN id (2 characters; blank=local)
Word 10—value status (integer)
LCN Internal Time Words 1..2—seconds since 1 January 1979
(32-bit integer)
Word 3—tenths of ms in current second
(integer)
Word 4—value status (integer)
ASCII String Words 1..20—value (ASCII characters)
(40 characters) Word 21—value status (integer)
Use information: The number of point/parameters is limited to a total of 300 or less.
See heading 4.1.5.
For value status definitions, see “Data Access Status Codes” in
the Messages Directory.