The following data format is used if a specification is made in the Num of Element field for a
BOOL array
. (Refer to 8-4-5 Specifying Variable Names in Request Paths on page 8-43 for infor-
mation on the Num of Element field.) The status (TRUE/FALSE) is given in order for each ele-
ment of the BOOL variable.
Data Format
USIN
T Data Type C1 hex
USINT 00 hex
UINT Num of Elem (L) Gives the number of elements in the array.
(H)
USINT Status 01 hex: TRUE, 00 hex: FALSE
: :
USINT Status
Structure Variables
• Accessing an Entire Structure
If a structure variable is specified, it is treated as an access request for all of the members of the
structure.
Data Format
USINT Data Type A0 hex (Abbreviated STRUCT)
USINT 02 hex
UINT CRC (L) CRC value for the structure definition
(H)
UINT Num of Elem (L) 01 hex
(H) 00 hex
:
Data
:
8 CIP Message Communications
8-91
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
8-7 Variable Data Types
8
8-7-4 Derived Data Types
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