Omron Sysmac NJ-series User Manual page 292

8 CIP Message Communications
Specification Example for Structure Members and Array Elements
0x91 0x05"VarAA"0x00
This example shows how to specify VarAA[1].MemB[1.2] for the following structure variable.
struct
{
UINT
BOOL
} VarAA[3];
Variable Name Specification Format
BYTE 91 hex
BYTE 05 hex
Array of 'V'
octet
'a'
'r'
'A'
'A'
Octet 00 hex
BYTE 28 hex
USINT 01 hex
BYTE 91 hex
BYTE 04 hex
Array of 'M'
octet
'e'
'm'
'B'
BYTE 28 hex
USINT 01 hex
BYTE 28 hex
USINT 02 hex
Specification Example for Structure Array
0x91 0x05 "VarAA" 0x00
8-46
0x91 0x04"MemB"
VarAA.memB[1.2] VAR://VarAA.member[1][2]
MemA;
MemB[10][10];
0x28 0x01
VarAA[1].memB[1.2] VAR://VarAA.member[1][2]
0x28 0x01 0x28 0x02
ANSI Extended Symbol Segment
Length of variable name in bytes
Variable name
Pad
Logical Segment (Member ID)
Array index
ANSI Extended Symbol Segment
Length of variable name in bytes
Variable name
Logical Segment (Member ID)
Array index for first element
Logical Segment (Member ID)
Array index for second element
0x91 0x04 "MemB"
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)
0x28 0x01 0x28 0x02