36
Part No. 6-847684-00 Rev. D01
Operation
Set-Up Procedure
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
!
or
"
but-
tons. High alarm setting ranges are:
0
0
to
11 33 8
8 0
0
(
11 77 2
2 55
*
) (kPa)
0
0
to
2
2 0
0 0
0
(
2
2 55 0
0
*
)
(psig)
0
0
to
33 2
2
or
NN OO NN EE
(in Hg)
0
0
to
8
8 0
0 0
0
or
NN OO NN EE
(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 OO NN EE
will be dis-
played for two seconds. Digital dis-
play module will return to monitoring
mode.
NN D
D FF
(network data format)
Defines data word length transmitted to
building automation system. User
choices are
8
8
(bits) or
11 66
(bits). Factory
setting is
8
8
.
P
P D
D FF
(pressure data format)
Defines data word length transmitted to
a slave alarm panel. User choices are
8
8
(bits) or
11 66
(bits). Factory setting is
8
8
.
The second advanced level,
SS EE TT 33
, is
used to adjust other miscellaneous
parameters as listed below:
SS EE RR 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)
NN 2
2 0
0
(nitrous oxide)
A
A ,, RR
(medical air)
U
U A
A ((
(vacuum)
NN 2
2
(nitrogen)
LL A
A ,, RR
(lab air)
LL U
U A
A ((
(lab vacuum)
A
A RR 99 NN
(argon)
(DDM firmware 1.0.6 or later)
II A
A ,, RR
(instrument air)
U
U A
A 99 D
D
(WAGD)
(( 0
0 2
2
(carbon dioxide)
(( -- 0
0 2
2
(CO2/O2)
0
0 2
2 -- ((
(O2/CO2)
K
K EE 0
0 2
2
(He/O2)
0
0 2
2 K
K EE
(O2/He)
K
K EE
(Helium)
NN OO NN EE
(none)
OO FF FF SS
(display offset)
Used to adjust digital module’s display.
User choices are
0
0
,
11
,
2
2
,
-- 11
, or
-- 2
2
.
Factory setting is
0
0
.
Digital Display Module
(Advanced)
Digital Display Module
Two additional levels of “advanced” set-up
features are available.
The first advanced level,
SS EE TT 2
2
, is used to
adjust basic communication related
parameters. The parameters adjustable
within
SS EE TT 2
2
are listed below:
A
A D
D D
D RR
(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 55 55
. Factory setting is
0
0
.
BB A
A U
U D
D
(baud rate)
Used to set communication speed.
User choices are
44 8
8 0
0 0
0
or
99 66 0
0 0
0
.
Factory setting is
44 8
8 0
0 0
0
.
NOTE:
Set to
NN OO NN EE
if using analog sensors.
