09420A DCN8343
Teledyne API Model 480M O
3
Monitor User Manual
35
VAR
DESCRIPTION
Default Value
Range
AZERO ENABLE
Enables/Disengages zero calibration
ON
ON/OFF
ANALOG_RANGE
Full-scale concentration range. Used
to scale the analog output.
20
5-50 g/Nm3
0.5-25.0
WT%
ANALOG HW CONF
Determines if the analog output uses
4-20mA or 0-5V output
4-20mA
4-20mA, 0-5V
O3 OFFSET
[Not available in this model]
O3 SLOPE
Calibration slope value
1.0
0.5 - 1.5
USER SLOPE
User-editable calibration slope value
1.0
0.5 – 1.5
USER UNITS
Setting for concentration unit-of-
measure.
WT%, g/Nm3 (user selectable)
CARRIER GAS WEIGHT
Molecular weight of carrier gas (i.e.,
feed gas for ozone generator). This
value is only used for the calculation of
wt% concentration units.
32 g/mol
5.2.4.2. S
ETUP
>S
TREAM
M
ENU
The Stream menu allows the operator to view and edit properties of the
concentration alarms. The table below summarizes the alarm configuration settings.
Table 5-5. Alarm Configuration Settings
Property
Meaning
Default
Value
Range
ALARM_MODE
Controls the latching behavior of the
concentration alarms.
When Latching is enabled, the alarm persists
until ‘Reset’ is pressed to clear the alarm*
ON
ON/OFF
HI ALARM
HI alarm trigger value
10 PPM
10 - 9999 PPM
HIHI ALARM
HI-HI alarm trigger value
20 PPM
10 - 9999 PPM
ON/OFF HI ALARM HI alarm enable, enables HI alarm operation ON
ON/OFF
ON/OFF HI HI
ALARM
HI-HI alarm enable, enables HI-HI alarm
operation
ON
ON/OFF
*The alarm cannot be reset if the ozone reading for that channel, or all channels for the global alarms, has
not come down below the alarm set point. Non-latching alarms will automatically reset when the alarm
condition is removed. The Reset button has no effect when configured for alarms set to LATCHING OFF.
5.2.4.3. S
ETUP
>C
OMM
M
ENU
The Setup>Comm menu includes two submenus: Comm Addr and Ethernet.
Select Comm Addr to set the MODBUS address; the Register Maps are presented in
Section 6.3.
Select Ethernet to view Info or to set the IP Mode to Static or DHCP (Section 6.1).
