Open Processor with Trane Driver Owner's Manual
Glossary-2
BC
BC
BC
BCU
U
U
U
Tracer Summit Building Control Unit (BCU). The BCU communicates with the Open
Processor via RS-232 signals and provides the link between the Open Processor and the
Trane equipment controllers.
B
B
B
BL
L
L
LN
N
N
N
Building level network. A data communications network providing connections within or
between buildings for building controllers and workstations. Also known as Protocol 2, P2, or
peer-to-peer network.
C
C
C
C----B
B
B
Bu
u
u
us
s
s
s
Communications Bus. The low voltage power pathway between the Open Processor (or
Controller Module) and the Power Module.
c
c
c
co
o
o
omma
mma
mma
mmand p
nd p
nd p
nd prrrriiiio
o
o
orrrriiiitttty
y
y
y
The ranking of a point command.
C
C
C
Con
on
on
ontr
tr
tr
tro
o
o
olllllllle
e
e
er
r
r
r Modu
Modu
Modu
Modulllle
e
e
e
Older version of the modular component that can contain the "brains" of the MBC or RBC
enclosure. The Controller Module holds the processor, memory chips, analog-to-digital
converter, supporting circuitry, and operator terminal ports. This controller module has been
replaced by the Open Processor.
c
c
c
cu
u
u
urr
rr
rr
rren
en
en
ent
t
t
t v
v
v
va
a
a
allllue
ue
ue
ue
Last commanded or sensed value of a logical point.
d
d
d
diiiig
g
g
giiiitttta
a
a
al v
l v
l v
l va
a
a
allllue
ue
ue
ue
Integer value used by the Open Processor or Controller Module to determine the logical
value, state, and the condition of logical points.
d
d
d
drrrrop
op
op
op
Address of an electronic device that can communicate with a field panel through a direct
connection to either the local point termination or to one of three FLN ports. When
associated with a point that has no physical device, the drop serves as an address of a
memory location for the point.
