<s>
Trihedral	B-Application
Engineering	I-Application
Limited	O
(	O
Trihedral	O
)	O
is	O
a	O
Bedford	O
,	O
Nova	O
Scotia	O
,	O
Canadabased	O
creator	O
of	O
industrial	O
automation	O
software	O
.	O
</s>
<s>
Trihedral	O
's	O
customers	O
are	O
in	O
industries	O
including	O
fresh	O
water	O
and	O
wastewater	O
,	O
subsea	O
and	O
terrestrial	O
oil	O
production	O
,	O
air	B-Application
traffic	I-Application
management	O
monitoring	O
systems	O
,	O
fire	O
station	O
and	O
911	O
emergency	O
alerting	O
systems	O
,	O
national	O
broadcast	O
networks	O
,	O
marine	O
systems	O
,	O
manufacturing	O
,	O
and	O
food	O
&	O
beverage	O
.	O
</s>
<s>
Trihedral	O
has	O
offices	O
in	O
Nova	O
Scotia	O
,	O
Florida	O
,	O
Alberta	B-Protocol
,	O
Alabama	B-Application
,	O
California	O
,	O
Michigan	O
,	O
Texas	O
and	O
Scotland	O
.	O
</s>
<s>
VTScada	O
is	O
both	O
a	O
Human	B-Application
Machine	I-Application
Interface	I-Application
(	O
HMI	B-Application
)	O
,	O
and	O
a	O
Supervisory	O
Control	O
and	O
Data	B-Algorithm
Acquisition	I-Algorithm
(	O
SCADA	O
)	O
software	O
package	O
.	O
</s>
<s>
Functionally	O
,	O
VTScada	O
includes	O
real-time	O
monitoring	O
and	O
control	O
,	O
telemetry	O
,	O
alarm	O
and	O
events	O
management	O
,	O
alarm	O
notification	O
,	O
data	B-Algorithm
acquisition	I-Algorithm
,	O
reporting	O
,	O
trending	O
,	O
mapping	B-General_Concept
,	O
application	O
version	B-Architecture
control	I-Architecture
,	O
Internet	O
and	O
mobile	O
access	O
.	O
</s>
<s>
VTScada	O
communicates	O
with	O
programmable	B-Architecture
logic	I-Architecture
controllers	I-Architecture
(	O
PLCs	O
)	O
,	O
Remote	B-Device
Terminal	I-Device
Units	I-Device
(	O
RTUs	O
)	O
,	O
pump	O
controllers	O
and	O
other	O
devices	O
using	O
radio	O
,	O
LAN	B-General_Concept
,	O
WAN	O
,	O
cellular	O
,	O
or	O
phone	O
lines	O
.	O
</s>
<s>
In	O
1988	O
,	O
the	O
company	O
released	O
“	O
WEB	O
”	O
;	O
one	O
of	O
the	O
first	O
PC-based	O
SCADA	O
packages	O
that	O
ran	O
on	O
the	O
DOS	B-Device
platform	O
.	O
</s>
<s>
In	O
1998	O
,	O
Trihedral	B-Application
Engineering	I-Application
Limited	O
opened	O
a	O
100%	O
wholly	O
owned	O
subsidiary	O
,	O
Trihedral	O
UK	O
,	O
in	O
Aberdeen	O
,	O
Scotland	O
.	O
</s>
<s>
In	O
2015	O
,	O
Control	O
Engineering	O
(	O
magazine	O
)	O
was	O
named	O
VTScada	O
winner	O
of	O
the	O
Control	O
Engineering	O
Engineer	O
’s	O
Choice	O
award	O
in	O
the	O
HMI	B-Application
Software	O
category	O
.	O
</s>
<s>
Canada	B-Application
's	I-Application
Top	I-Application
100	I-Application
Employers	I-Application
ranked	O
Trihedral	O
among	O
Nova	O
Scotia	O
’s	O
Top	O
Employers	O
from	O
2007	O
to	O
2013	O
.	O
</s>
