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2.7 Dual O2/CO2 System Default Factory Settings
The
Dual O2/CO2
monitor is shipped with factory defaults for the alarm relay settings.
The following are the factory defaults:
Menu Function
Factory Default
Menu Defined
Set 4-20mA loop
The mA output is set at
the factory using a
calibrated Fluke meter.
Use this function to adjust the
monitor’s 4mA, (Zero) and 20mA,
(Span) to your PLC or distributive
control system.
Set Formats
LED and alarm
relay State **
Alarm 1 = Normal
Alarm 2 = Normal
Fault = Normal
Do you want the relays to energize
(normal) or de-energize (fail safe) when
the alarm activates?
Set Alarm
Threshold Polarity
Alarm 1 = Normal
Alarm 2 = Inverted
Audio = Inverted
Do you want to alarm at a level higher
(normal) or lower (inverted) than the
alarm threshold?
Set Latching
Alarm 1 = Non-latching
Alarm 2 = Non-latching
Audio = Non-latching
Do you want the alarm to
automatically reset (non-latching) or
do you want to manually reset the
alarm (latching)?
Alarm Delay
Alarm = 5 seconds
How long do you want to wait until the
alarms activate?
Zero Suppression
000 = 0.00%
Refer to section 4.5.6
This function is Not Enabled on the
Dual monitor.
Set Alarm
Thresholds
Alarm 1 = 5,000ppm
Alarm 2 = 19.5%
At what level do you want to alarm?
Set Alarm Hysteresis
Alarm 1 = 00 PPM
Alarm 2 = 0.0 %
For use when using the O2 monitor for
control of valves and process.
See Section 5.4.8
Sensor Adjustment
Set O2 sensor span
Turn CO2 autocal on
Turn CO2 autocal off
Calibrate CO2 sensor
For use when dynamically gas
calibrating the oxygen and CO2
monitor.
See Section 6.2
Manage Passwords
Factory default is
557
For use when changing the password
from factory default to a new password
of your choice.
NOTE
:
The built in relay settings may be changed by the user in the field. Refer to Section 5.5.2
** NOTE: The LED indicators on the front panel are connected directly to the alarm relays.