BeaconMedaes MEGA 2 Installation, Operation And Maintenance Instructions page 36

Operation
Set-Up Procedure
Digital Display Module
6. Press and release TEST button.
HIGH indicator will illuminate and K K , ,
will be displayed. After two seconds
current high alarm setting will be dis-
played. Select desired high alarm set-
ting by pressing either
tons. High alarm setting ranges are:
0 0 to 1 1 3 3 8 8 0 0 (1 1 7 7 2 2 5 5
0 0 to 2 2 0 0 0 0 (2 2 5 5 0 0
*
0 0 to 3 3 2 2 or N N O O N N E E
0 0 to 8 8 0 0 0 0 or N N O O N N E E (mm Hg)
*N2 and instrument air only, DDM firmware 1.0.6 or later
7. Press and release TEST button to
save changes. D D O O N N E E will be dis-
played for two seconds. Digital dis-
play module will return to monitoring
mode.
Digital Display Module
Two additional levels of "advanced" set-up
features are available.
The first advanced level, S S E E T T 2 2 , is used to
adjust basic communication related
parameters. The parameters adjustable
within S S E E T T 2 2 are listed below:
A A D D D D R R
(network address)
A network address uniquely identifies
each digital display module to a
personal computer or Johnson Controls
Metasys® system. Address range is 0 0
to 2 2 5 5 5 5 . Factory setting is 0 0 .
B B A A U U D D
(baud rate)
Used to set communication speed.
User choices are 4 4 8 8 0 0 0 0 or 9 9 6 6 0 0 0 0 .
Factory setting is 4 4 8 8 0 0 0 0 .
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Part No. 6-847684-00 Rev. D01
or but-
) (kPa)
*
) (psig)
(in Hg)
(Advanced)
N N D D F F
(network data format)
Defines data word length transmitted to
building automation system. User
choices are 8 8 (bits) or 1 1 6 6 (bits). Factory
setting is 8 8 .
P P D D F F
(pressure data format)
Defines data word length transmitted to
a slave alarm panel. User choices are
8 8 (bits) or 1 1 6 6 (bits). Factory setting is 8 8 .
The second advanced level, S S E E T T 3 3 , is
used to adjust other miscellaneous
parameters as listed below:
S S E E R R U U
(gas service identification)
Used to set digital display module's gas
service identification for communication
with a digital sensor.
User choices are:
0 0 2 2
(oxygen)
N N 2 2 0 0
(nitrous oxide)
A A , , R R
(medical air)
U U A A ( (
(vacuum)
N N 2 2
(nitrogen)
L L A A , , R R
(lab air)
L L U U A A ( (
(lab vacuum)
A A R R 9 9 N N
(argon)
I I A A , , R R
(instrument air)
U U A A 9 9 D D
(WAGD)
( ( 0 0 2 2
(carbon dioxide)
( ( - - 0 0 2 2
(CO2/O2)
0 0 2 2 - - ( (
(O2/CO2)
K K E E 0 0 2 2
(He/O2)
0 0 2 2 K K E E
(O2/He)
K K E E
(Helium)
N N O O N N E E
(none)
NOTE:
N N O O N N E E
Set to if using analog sensors.
O O F F F F S S
(display offset)
Used to adjust digital module's display.
User choices are 0 0 , 1 1 , 2 2 , - - 1 1 , or - - 2 2 .
Factory setting is 0 0 .
(DDM firmware 1.0.6 or later)