Profibus interface center, Spc3 – Siemens SPC3 User Manual
Page 50
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PROFIBUS Interface Center
SPC3
Page 48
V1.3
SPC3 Hardware Description
2003/04
Copyright (C) Siemens AG 2003. All rights reserved.
Synchronous Intel-Mode, Processor-Read-Timing
XRD
VALID
ALE
AB(7..0)
DB(7..0)
Data Out
Adressen
XWR = log.'1'
13
Adressen
VALID
12
8
1
2
4
3
5
10
14
Synchronous Intel-Mode, Processor-Write-Timing
XWR
VALID
ALE
AB(7..0)
Data In
Adressen
XRD = log.'1'
13
Adressen
VALID
DB(7..0)
12
1
16
2
15
6
7
11
14
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