© 1994 – 2011 Fieldbus Foundation
9
© ABB
July 17, 2012 | 9
FieldBarrier
*)
L
S
120 m
L
total
= L
T
+ ( L
S
) 1.900 m
L
T
1.900 m
Field
EEx e
EEx ia
For the use of the
FieldBarrier in the Ex area:
16 H1 field devices
acc. to FISCO
IEC 61158-2: FF-H1
Transmission rate fixed 31.25 KBit/s
max. segment length for copper cable
Type A
Non-Ex Area: 1.900 m
Ex Area: 1.000 m
(with FieldBarrier 1.900 m)
Us 28 VDC
Is 500 mA
Linking
Device
FOUNDATION H1
FOUNDATION HSE
Operate
Engineer
Control
OPC
Server
Ethernet TCP/IP
*) max. four FiedBerrier per segment
T
PS
Line Lengths, Transmission Rate – FF-H1 [Ex (Haz.) Area]
AB
B
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