<s>
An	O
industrial	B-Device
PC	I-Device
is	O
a	O
computer	O
intended	O
for	O
industrial	O
purposes	O
(	O
production	O
of	O
goods	O
and	O
services	O
)	O
,	O
with	O
a	O
form	O
factor	O
between	O
a	O
nettop	B-Protocol
and	O
a	O
server	B-Application
rack	I-Application
.	O
</s>
<s>
Industrial	B-Device
PCs	I-Device
have	O
higher	O
dependability	B-Application
and	O
precision	B-General_Concept
standards	O
,	O
and	O
are	O
generally	O
more	O
expensive	O
than	O
consumer	O
electronics	O
.	O
</s>
<s>
They	O
often	O
use	O
complex	B-Architecture
instruction	I-Architecture
sets	I-Architecture
,	O
such	O
as	O
x86	B-Operating_System
,	O
where	O
reduced	B-Architecture
instruction	I-Architecture
sets	I-Architecture
such	O
as	O
ARM	B-Architecture
would	O
otherwise	O
be	O
used	O
.	O
</s>
<s>
IBM	O
released	O
the	O
5531	O
Industrial	B-Architecture
Computer	I-Architecture
in	O
1984	O
,	O
arguably	O
the	O
first	O
"	O
industrial	B-Device
PC	I-Device
"	O
.	O
</s>
<s>
Industrial	B-Architecture
Computer	I-Architecture
Source	O
first	O
offered	O
the	O
6531	O
Industrial	B-Architecture
Computer	I-Architecture
in	O
1985	O
.	O
</s>
<s>
This	O
was	O
a	O
proprietary	O
4U	O
rackmount	B-Application
industrial	B-Architecture
computer	I-Architecture
based	O
on	O
a	O
clone	O
IBM	O
PC	O
motherboard	O
.	O
</s>
<s>
Industrial	B-Device
PCs	I-Device
are	O
primarily	O
used	O
for	O
process	O
control	O
and/or	O
data	O
acquisition	O
.	O
</s>
<s>
In	O
some	O
cases	O
,	O
an	O
industrial	B-Device
PC	I-Device
is	O
simply	O
used	O
as	O
a	O
front-end	O
to	O
another	O
control	O
computer	O
in	O
a	O
distributed	B-Architecture
processing	I-Architecture
environment	O
.	O
</s>
<s>
Software	O
can	O
be	O
custom	O
written	O
for	O
a	O
particular	O
application	O
or	O
an	O
off-the-shelf	O
package	O
such	O
as	O
TwinCAT	O
,	O
Wonder	O
Ware	O
,	O
Labtech	O
Notebook	O
or	O
LabView	B-Application
can	O
be	O
used	O
to	O
provide	O
a	O
base	O
level	O
of	O
programming	O
.	O
</s>
<s>
Analog	O
and	O
digital	O
I/O	B-Device
cards	I-Device
plugged	O
inside	O
PC	O
and/or	O
extension	O
rack	O
made	O
MAC120	O
as	O
one	O
of	O
the	O
most	O
powerful	O
and	O
easy	O
to	O
use	O
controller	O
for	O
plant	O
applications	O
at	O
this	O
date	O
.	O
</s>
<s>
An	O
application	O
may	O
simply	O
require	O
the	O
I/O	O
such	O
as	O
the	O
serial	B-Protocol
port	I-Protocol
offered	O
by	O
the	O
motherboard	O
.	O
</s>
<s>
In	O
other	O
cases	O
,	O
expansion	B-Device
cards	I-Device
are	O
installed	O
to	O
provide	O
analog	O
and	O
digital	O
I/O	O
,	O
specific	O
machine	O
interface	O
,	O
expanded	O
communications	O
ports	O
,	O
and	O
so	O
forth	O
,	O
as	O
required	O
by	O
the	O
application	O
.	O
</s>
<s>
Industrial	B-Device
PCs	I-Device
offer	O
different	O
features	O
than	O
consumer	O
PCs	O
in	O
terms	O
of	O
reliability	O
,	O
compatibility	O
,	O
expansion	O
options	O
and	O
long-term	O
supply	O
.	O
</s>
<s>
Industrial	B-Device
PCs	I-Device
are	O
typically	O
characterized	O
by	O
being	O
manufactured	O
in	O
lower	O
volumes	O
than	O
home	O
or	O
office	O
PCs	O
.	O
</s>
<s>
A	O
common	O
category	O
of	O
industrial	B-Device
PC	I-Device
is	O
the	O
19-inch	B-Application
rackmount	I-Application
form	O
factor	O
.	O
</s>
<s>
Industrial	B-Device
PCs	I-Device
typically	O
cost	O
considerably	O
more	O
than	O
comparable	O
office	O
style	O
computers	O
with	O
similar	O
performance	O
.	O
</s>
<s>
Single-board	B-Device
computers	I-Device
and	O
back	B-Architecture
planes	I-Architecture
are	O
used	O
primarily	O
in	O
industrial	B-Device
PC	I-Device
systems	O
.	O
</s>
<s>
However	O
,	O
the	O
majority	O
of	O
industrial	B-Device
PCs	I-Device
are	O
manufactured	O
with	O
COTS	O
motherboards	O
.	O
</s>
<s>
A	O
subset	O
of	O
industrial	B-Device
PCs	I-Device
is	O
the	O
Panel	B-Device
PC	I-Device
where	O
a	O
display	O
,	O
typically	O
an	O
LCD	O
,	O
is	O
incorporated	O
into	O
the	O
same	O
enclosure	O
as	O
the	O
motherboard	O
and	O
other	O
electronics	O
.	O
</s>
<s>
Virtually	O
all	O
industrial	B-Device
PCs	I-Device
share	O
an	O
underlying	O
design	O
philosophy	O
of	O
providing	O
a	O
controlled	O
environment	O
for	O
the	O
installed	O
electronics	O
to	O
survive	O
the	O
rigors	O
of	O
the	O
plant	O
floor	O
.	O
</s>
<s>
Enclosure	O
form	O
factor	O
that	O
includes	O
provision	O
for	O
mounting	O
into	O
the	O
surrounding	O
environment	O
(	O
19	B-Application
"	I-Application
rack	I-Application
,	O
wall	O
mount	O
,	O
panel	O
mount	O
,	O
etc	O
.	O
)	O
</s>
