<s>
Process	B-Protocol
Image	I-Protocol
Exchange	I-Protocol
Protocol	I-Protocol
(	O
PieP	B-Protocol
)	O
is	O
a	O
very	O
simple	O
Fieldbus	O
protocol	O
used	O
for	O
process	O
automation	O
.	O
</s>
<s>
It	O
is	O
an	O
application	O
layer	O
protocol	O
developed	O
over	O
TCP/IP	O
.	O
</s>
<s>
PieP	B-Protocol
uses	O
method	O
of	O
transferring	O
process	O
images	O
between	O
I/O	O
Devices	O
and	O
the	O
PLC	O
which	O
makes	O
the	O
protocol	O
simple	O
to	O
use	O
.	O
</s>
