© 1994 – 2011 Fieldbus Foundation
7
© ABB
July 17, 2012 | 7
232 subscribers per link
T
R R
R
FO
Seg. 4
32 subscr.
Seg. 2
32 subscr.
Seg. 3
Segment 1
32 subscribers, incl. repeater
FOUNDATION H1
FOUNDATION HSE
Operate
Engineer
Control
Field
Linking
Device
T
OPC
Server
Ethernet TCP/IP
T
PS
In applications the number of subscribers per H1 link is limited to < approx.12 by:
- too high data refresh times (cycle times)
- energy requirement of the subscribers
- set-up in Ex area (IS)
- max. 12 per segment is a recommendation of Fieldbus Foundation
Subscribers – Foundation Fieldbus-H1
AB
B
Kommentare zu diesen Handbüchern