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Funktionsbeschreibung
Ablaufdiagramm zur Auswertung der Key-ID-Schnittstelle
See Fig. „Timing diagram
of handshake controlled
signal transfer":
[a]
[b]
[c]
[d]
[f]
[e]
[g]
Abb.: Auswertung der Key-ID-Nummer durch eine Steuerung (Prinzip)
Bedienungsanleitung PIT m4SEU
1004648-DE-02
Start
Set Bit Counter = 0
No
sync
<ID
> = 1
AND
response
<ID
request
Set <ID
response
<ID
Read Bit <ID
Set <IDrequest> = 0
No
Start Timer
Increment Bit Counter
<IDsync> = 0
No
<IDresponse> = 0
Time Control
<t
> >= 200ms
IDend
Bit Counter = 28
Store ID Number
> = 0
>= 1
No
> = 1
Yes
data
>
No
See Fig. „State diagram
of handshake controlled
signal transfer":
Requirement
Bit Request
Data Read and
Acknowledge
Last Bit Control
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