
– 47 –
[Serial Communications Format during Normal Communications]
(1) Outdoor micro computer (AX-8J01) to indoor micro computer
(2) Indoor micro computer to outdoor micro computer (AX-8J01)
(3) Communications waveforms
1 frame = 100ms. + 33.3ms. x 8 + 4.95ms. = 371.35ms.
Outdoor message
Indoor message
[Example]
When the outdoor message is all 0s
and indoor message is all 1s:
37 (V)
36 (V)
35 (V)
When reset
(approx. 10ms.)
T
ransmit/
receive
switching time
(4.95ms.)
Character No.
0
(33.3ms.)
1
(33.3ms.)
2
(33.3ms.)
3
(33.3ms.)
Character No.
0
(33.3ms.)
1
(33.3ms.)
2
(33.3ms.)
3
(33.3ms.)
Bit No = 0
Bit No = 0
0
7
0
70
70
77
0
70
77
Leader
(100ms.)
When reset
(approx. 10ms.)
Leader
(100ms.)
Fig. 3-4