Digital Electronics GP-377 Series, Руководство пользователя

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Chapter 5 - Initializing the GP
GP-377 Series Users Manual 5-9
Relationship between K-tag Write Character V alue and PLC Device
• 16 bit Devices
GP stores the character string from the start, as groups of 2, into1 PLC Device.
When there are nine characters, they are arranged as shown below.
1 2 3 4 5 6 7 8 9 Null
When the characters do not divide into 2 evenly, NULL is added at the end.
• 32 bit Devices
GP stores the character string from the start, as groups of 4, into1 PLC Device.
When there are nine characters, they are arranged as shown below.
1 2 3 4 5 6 7 8 9 Null
When the characters do not divide into 4 evenly, NULL is added at the end.
E.g. Characters "A B C D E F G H I J K L M N O P Q R S T"
1 2 3 4 5 6 7 8 9 10
• 32 bit Device LH Order • 32 bit Device HL Order
III) Double-word Word LH/HL Order
E.g. Characters "A B C D E F G H I J"
1 2 3 4 5
• 16 bit Device LH Order • 16 bit Device HL Order
2 D0100
1 D0101
4 D0102
3 D0103
5 D0104
1 D0100
2 D0101
3 D0102
4 D0103
5 D0104
2 1 D0100
4 3 D0101
6 5 D0102
8 7 D0103
10 9 D0104
1 2 D0100
3 4 D0101
5 6 D0102
7 8 D0103
9 10 D0104