– 50 –
Fig. 3-4
〜
〜
〜
〜
〜
〜
(1)Outdoor microcomputer (HIC) to indoor microcomputer
［Serial Communications Format during Normal Communications］
［Example］When the outdoor message is all 0s
and indoor message is all 1s:
(3)Communications waveforms
Leader
（100ms.）
Leader
（100ms.）
When reset
(approx.100ms.)
When reset
(approx.10ms.)
35
(
V
)
34
(
V
)
36
(
V
)
0
7
0
7
7
7
0
（33.3ms.）
3
2
1
NO
0
Bit No.=0
7
0
7
0
7
0
7
Bit No.=0
3
2
1
(33.3ms.) (33.3ms.)
(33.3ms.)
Transmit/
receive
switching time
(4.95ms.)
(33.3ms.) (33.3ms.)
Outdoor message
Indoor message
(33.3ms.)(33.3ms.)
0
Character No.
1 frame＝100ms.+33.3ms.×8+4.95ms.＝371.35ms.
(2)Indoor microcomputer to outdoor microcomputer (HIC)
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