Digital Electronics Pro-face GP-377 Series User Manual page 57

III) Double-word Word LH/HL Order
E.g. Characters "A B C D E F G H I J"
• 16 bit Device LH Order
E.g. Characters "A B C D E F G H I J K L M N O P Q R S T"
• 32 bit Device LH Order
Relationship between K-tag Write Character Value 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.
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
When the characters do not divide into 4 evenly, NULL is added at the end.
GP-377 Series Users Manual
1 2
2 D0100
1 D0101
4 D0102
3 D0103
5 D0104
1 2
2 1 D0100
4 3 D0101
6 5 D0102
8 7 D0103
10 9 D0104
1 2 3 4 5 6 7 8 9 Null
Null
Chapter 5 - Initializing the GP
3 4 5
• 16 bit Device HL Order
1
2
3
4
5
3 4 5 6 7
• 32 bit Device HL Order
1
3
5
7
9
D0100
D0101
D0102
D0103
D0104
8 9 10
2 D0100
4 D0101
6 D0102
8 D0103
10 D0104
5-9