Model S4000T
18
NOTE - When the Sensor Range is changed, the Warning and Alarm setpoints are
automatically scaled to the new range.The unit must now be calibrated to the new
range. See Section 4.6.1.
4.4.3 Warning Relay Settings
To adjust the Warning Relay Settings of the Model S4000T, apply the magnet to the
GM Logo on the cover of the unit until “SE” is displayed, then remove the magnet.
This puts the unit into Setup Mode. After a few seconds “Lo” will be displayed. Apply
and remove the magnet to change the Warning or “Low” alarm settings.
First, the Energized/De-Energized state of the relay is displayed by either “En” or
“dE” being displayed respectively. Apply and remove the magnet until the desired
state is displayed.
After a few seconds the Latching/Non-Latching state of the relay is displayed by
either “La” or “nL”. Apply and remove the magnet until the desired state is displayed.
After a few seconds, the current Warning relay setpoint is displayed. Apply and
remove the magnet until the desired setpoint is displayed. Once the desired setpoint
value is displayed, wait 3 seconds and “Fi” will be displayed. Apply and remove the
magnet to return to the next level of the Setup menu. When “Fi” is displayed again,
apply and remove the magnet to return to normal operation.
The default Warning relay settings are: non-latching, de-energized, 30% FS
setpoint. The maximum allowable setpoint is 50ppm.
NOTE - The Warn Relay setpoint cannot be set higher than the Alarm Relay setpoint.
4.4.4 Alarm Relay Settings
To adjust the Alarm Relay Settings of the Model S4000T, apply the magnet to the
GM Logo on the cover of the unit until “SE” is displayed, then remove the magnet.
This puts the unit into Setup Mode. After a few seconds “Hi” will be displayed. Apply
and remove the magnet, to change the Alarm or “High” alarm settings.
First, the Energized/De-Energized state of the relay is displayed by either “En” or
“dE” being displayed respectively. Apply and remove the magnet, until the desired
state is displayed.
After a few seconds the Latching/Non-Latching state of the relay is displayed by
either “La” or “nL”. Apply and remove the magnet, until the desired state is displayed.
After a few seconds the current Alarm relay setpoint is displayed. Apply and remove
the magnet until the desired setpoint is displayed. Once the desired setpoint value is
displayed, wait 3 seconds and “Fi” will be displayed. Apply and remove the magnet to
return to the next level of the Setup menu. When “Fi” is displayed again, apply and
remove the magnet, to return to normal operation.
The default Alarm relay settings are: latching, de-energized, 60% FS setpoint.
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