4.1.2.10.3 Alarm-1 Descending
This setting configures Alarm-1 to either ascending or descending action. Ascending is defined as
Alarm-1 active when the oxygen concentration is above the Alarm-1 setpoint level. Descending is
defined as; Alarm-1 active when the oxygen concentration is below the alarm-1 setpoint level. The
descending setting may be set to “YES” or “NO”. This setting is accessed from the Alarm and
Relay Setup Menu by typing “3” on the RS-232 terminal.
4.1.2.10.4 Alarm-2 Level Setting (setpoint)
This setting sets the threshold level for Alarm-2. Depending on whether or not it is set to
ascending or descending, Alarm-2 becomes active when the oxygen concentration is above or
below this threshold level. The Alarm-2 setpoint may be set anywhere from 0.0 % to 100.0 %.
This setting is accessed from the Alarm Relay Setup Menu by typing “4” on the RS-232 terminal.
4.1.2.10.5 Alarm-2 Descending
This setting configures Alarm-2 to either ascending or descending action. Ascending is defined as
Alarm-2 active when the oxygen concentration is above the Alarm-2 setpoint level. Descending is
defined as; Alarm-2 active when the oxygen concentration is below the alarm-2 setpoint level. The
descending setting may be set to “YES” or “NO”. This setting is accessed from the Alarm and
Relay Setup Menu by typing “5” on the RS-232 terminal.
4.1.2.10.6 Relay Hold Time
This setting determines the minimum time that Alarm-1 and Alarm-2 relays will hold their active
state once the Alarm-1 and Alarm-2 setpoint levels have been exceeded, regardless of the actual
Oxygen concentration after Alarm-1 and Alarm-2 have been activated. The Hold Time level may
be set anywhere from 0 to 300 seconds. This setting is accessed from the Alarm Relay Setup
Menu by typing “6” or “H” on the RS-232 terminal.
4.1.2.10.7 Fault Relay Active during Warm-up
This setting determines the active status of the Fault relay during the Model 1100 warm-up routine
(section 4.3.1.2). The activate setting may be set to “YES” or “NO”. This setting is accessed from
the Alarm Relay Setup Menu by typing “7” or “W” on the RS-232 terminal.
4.1.2.10.8 Relays Disabled after CAL/Setup
This setting determines the time that relays will be held in their last state before returning to Run
mode from the control panel or service port user menus. The relays disabled time may be set
anywhere from 0 to 14,400 seconds. This setting is accessed from the Alarm Relay Setup Menu
by typing “8” or “S” on the RS-232 terminal.
To Next Page
Loading...