RKI Instruments Beacon 800 - Manual (Page 31)

Beacon 800 Gas Monitor Operator’s Manual Configure Channel Settings Menu • 28
ALARM-2 Relay (used for)
(ALARM-2 Condition) If set as ALARM-2 Condition, the channel’s alarm 2 relay
activates when an alarm 2 condition is initiated for the channel.
If set as FAIL Condition, the channel’s alarm 2 relay activates
when a fail condition is initiated for the channel.
ALARM-2 Level
(See the Beacon 800 Detector
Head Specification sheet for the
detector head installed on this
channel.) The gas reading at which the Beacon 800 initiates an alarm 2
condition for this channel.
ALARM-2 ON DELAY
(2 min for oxygen, 1 sec for all
other channel types) The amount of time the Beacon 800 delays activation of the alarm
2 circuit once an alarm 2 condition is initiated.
ALARM-2 OFF DELAY
(0 sec) The amount of time the Beacon 800 delays turning off the alarm 2
circuit once an alarm 2 condition passes.
ALARM-2 (activation)
(INCREASING) Indicates if the alarm 2 circuit is activated by gas readings
INCREASING or DECRESING to the ALARM-2 Level.
ALARM-2 Relay (action)
(NORMALLY DE-ENERGIZED) If set as NORMALLY DE-ENERGIZED, the channel’s alarm 2
relay is de-energized in normal operation and energizes when an
alarm 2 condition is initiated.
If set as NORMALLY ENERGIZED, the channel’s alarm 2 relay is
energized in normal operation and de-energizes when an alarm 2
condition is initiated.
ALARM-2 Relay (reset)
(SELF RESETTING for oxygen,
LATCHING for all other channel
types) If set as LATCHING, you must press the RESET button to reset
the alarm 2 circuit after the alarm 2 condition passes.
If set as SELF RESETTING, the Beacon 800 automatically resets
the alarm 2 circuit after the alarm 2 condition passes.
NOISE FILTER
(2) The noise filter feature helps “smooth out” jumpy or noisy signals
from the detector head. You can set the noise filter from1 to 8.
A setting of 8 produces the greatest amount of smoothing but also
responds slowest to changes in the response reading.
A setting of 1 responds fastest to changes in the response reading
but produces the least amount of smoothing.
ZERO SUPPRESSION
(0.0% of the detection range in
terms of the detection units for
carbon dioxide channel types;
0.5% oxygen for oxygen
channels; 2.0% of the detection
range in terms of the detection
units for all other channel
types.) The zero suppression feature helps prevent “jumpy” readings near
the normal reading.
For example, if the zero suppression setting is 1.0% of full scale,
the Beacon 800 will display a reading of 0 %LEL for gas readings
from -1 %LEL to 1 %LEL.
*
NOTE: The zero suppression for oxygen channels is
defined in % oxygen. For all other types of channels, it is
defined in % of full scale.
Table 8: Channel Setting Parameters (Continued)
Parameter
(Factory-Set Value)
Description