Star Field Bus Connections; Linear Field Bus Connections - ABB Symphony Harmony Series Instructions Manual

Setup/Physical Installation
can drive a maximum of 10 transmitters in the star field bus
configuration. Figure
Figure 2-4. Star Field Bus Connections
Linear Field Bus
When connecting a series of field bus transmitters on a linear
field bus, a single continuous line (i.e., wire) connects the
transmitters on the bus. The NTFB01 termination unit can
drive a maximum of 15 transmitters in a linear field bus config-
uration. Figure
field bus.
Figure 2-5. Linear Field Bus Connections
2 - 6
2-4
S Y M P H O N Y
S Y S TE M
IM F E C 11 N TF B 0 1
2-5 shows an example of field wiring in a linear
S Y M P H O N Y
S Y S TE M
IM F E C 11 N T FB 01
shows an example of a star field bus.
B C N
S TA R
F IE LD B U S
T B N
FIE L D
U P TO 15 A B B F S K
S M A RT TR A N S M IT T E R S
B C N E Q N
LIN E A R
FIE LD B U S
B C N
F IE LD
U P TO 1 0 A B B F S K
S M A R T T R A N S M IT TE R S
E Q N
O TH E R
F S K
B C N
T 03988A
TB N
O TH E R
B C N
F S K
T 03989A
WBPEEUI260045A0