Siemens KNX EIB TP-UART 2-IC Manual page 25

KNX EIB TP-UART 2-IC
Interchargap (2Bit)
Receive from Bus 6 7 p s s 0 1 2 3 4 5 6 7 p s
Send to Controller p s s 0 1 2 3 4 5 6 7 p s
Rec from Controller
Send to Bus
Fig. 12: Timing for send U_AckInfo (e.g. 9600 Baud)
Addressed
Yes
TPUART detects
any frame error
No
NACK
Nein
BUSY Mode
or BUSY
No
Send ACK
Fig. 13: Ack / Nack / Busy Generation of the TP-UART
Siemens AG
Infrastructure and Cities Sector,
Building Technologies
Control Products and Systems
P. O. Box 10 09 53,
D-93009 Regensburg
Parity 1 Startbit
Addresstype TPCI
s 0 1 2 3 4 5 6 7 p s
Addresstype
s 0 1 2 3 4 5 6 7 p s
1 Bit Buffertime
U_Ackinfo Service or TPUART internal addresscheck
Yes
Send BUSY
Subject to change without further notice.
1 Stopbit 8 Datenbits
Checksum
s 0 1 2 3 4 5 6 7 p s
TPCI
s 0 1 2 3 4 5 6 7 p s s 0 1 2 3 4 5 6 7 p s
Time for Addresssearch (17 Bit)
Yes
Yes
Send NACK
pages 42
© Siemens AG 2012
GAMMA instabus
Release: February 2012
15 Bit Pause
Ack
s 0 1 2 3 4 5 6 7 p s
Checksum
Ack-Information
s 0 1 2 3 4 5 6 7 p s
s 0 1 2 3 4 5 6 7 p s
1 Bit Buffertime
No
Technical Manual
page 25