Omron NX-series User Manual page 198

Appendices
First byte +
(integer multiple of 4)
A.a A.b
First byte +
(integer multiple of 4)
B.c B.d
First byte +
(integer multiple of 4)
C[0].a C[0].b
C[1].a C[1].b
First byte +
(integer multiple of 4)
D[0].c D[0].d
D[1].c D[1].d
A - 24
Memory
Bytes
First byte
First byte + 1
First byte + 2
First byte + 3
First byte + 4
First byte + 5
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First byte + 23
NX-series Communication Control Unit Built-in Function User's Manual (Z396)
Data Type Definitions
Name Data type
Union UNI_A UNION
a DWORD
Variable A,
b WORD
4 bytes
Name Data type
Union UNI_B UNION
c WORD
Variable B,
d DWORD
4 bytes
Variable Table
Name Data type
Variable A Union UNI_A
Variable C,
Variable B Union UNI_B
8 bytes
Variable C ARRAY[0..1] OF UNI_A
Variable D ARRAY[0..1] OF UNI_B
Variable D,
8 bytes