<s>
VARAN	B-Protocol
(	O
Versatile	O
Automation	O
Random	O
Access	O
Network	O
)	O
is	O
a	O
Fieldbus	O
Ethernet-based	O
industrial	O
communication	O
system	O
.	O
</s>
<s>
VARAN	B-Protocol
is	O
a	O
wired	O
data	O
network	O
technology	O
for	O
local	O
data	O
networks	O
(	O
LAN	O
)	O
with	O
the	O
main	O
application	O
in	O
the	O
field	O
of	O
automation	O
technology	O
.	O
</s>
<s>
VARAN	B-Protocol
includes	O
the	O
definitions	O
for	O
types	O
of	O
cables	O
and	O
connectors	O
,	O
describes	O
the	O
physical	O
signalling	O
and	O
specifies	O
packet	O
formats	O
and	O
protocols	O
.	O
</s>
<s>
From	O
the	O
perspective	O
of	O
the	O
OSI	O
model	O
,	O
VARAN	B-Protocol
specifies	O
both	O
the	O
physical	O
layer	O
(	O
OSI	O
Layer	O
1	O
)	O
and	O
the	O
data	O
link	O
layer	O
(	O
OSI	O
Layer	O
2	O
)	O
.	O
</s>
<s>
VARAN	B-Protocol
is	O
a	O
protocol	O
according	O
to	O
the	O
principle	O
master-slave	O
.	O
</s>
<s>
The	O
VARAN	B-Protocol
BUS	O
USER	O
ORGANIZATION	O
(	O
VNO	O
)	O
is	O
responsible	O
for	O
the	O
care	O
of	O
the	O
Protocol	O
.	O
</s>
