Hitachi Hidic EH-150 Applications Manual page 50

Preliminary Rev.03
(2). Receiving area
The receiving area can be specified only by "ASR I/O Area (Connection N) Setting" in web page. The receiving
area can be defined every ASR connection. Available I/Os are WL, WM, WR, WY.
Receive area information
No. I/O
1 WR
Note
- 1 connection can handle up to 1454 bytes.
- When received data size is less than designated receiving area size, the rest area is not overwritten. The
previous data is kept.
- When received data size is bigger than designated receiving data size, the excess area is omitted
automatically.
Receive area information
No. I/O
1 WR
Receive area information
No. I/O
1 WR
Description in this manual might be modified without notice.
Top Size H00
0 10 H01
H02
H03
...
H12
H13
Fig.7.1.2.2 Receiving buffer and receiving area (1)
Top Size H00
0 10 H01
H02
H03
...
H0E
H0F
Fig. 7.1.2.3 Receiving buffer and receiving area (2)
Top Size H00
0 10 H01
H02
H03
...
H1E
H1F
: excess data
Fig. 7.1.2.4 Receiving buffer and receiving area (3)
7-3
Chapter 7 Automatic data transmission
Receiving buffer I/O
DT1 WR0
DT2 WR1
DT3 WR2
DT4 WR3
...
DT19 WR9
DT20 WRA
20 Byte
Receiving buffer I/O
DT1 WR0
DT2 WR1
DT3
DT4 WR7
... WR8
DT15 WR9
DT16 WRA
16 Byte
Receiving buffer I/O
DT1 WR0
DT2 WR1
DT3 WR2
DT4 WR3
...
DT31 WR9
DT32 WRA
32 Byte
Receiving area
DT2
DT4
DT6
DT8
... ...
DT18 DT17
DT20 DT19
10 Word
Receiving area
DT2
DT4
... ...
DT16 DT15
DT(n+1) DT(n)
DT(n+3) DT(n+2)
DT(n+5) DT(n+4)
10 Word
: Previous received data
Receiving area
DT2
DT4
DT6
DT8
... ...
DT18 DT17
DT20 DT19
10 Word
DT1
DT3
DT5
DT7
...
DT1
DT3
...
DT1
DT3
DT5
DT7
...