Siemens BACnet Owner's Manual page 15

Descriptor Address
EMER STPT
LOW WARN
HIGH WARN
ALARM TIME
FLOW MAX
ALM AKNLG
OCC.UNOCC
STARTUP MODE
LEFT SWITCH
ODP STPT SW
RIGHT SWITCH
ATN.UNATTN
AT ALRT AREA
UN ALRT AREA
OPEN TIME
SASH TONE
SASH OP ALRT
Siemens Industry, Inc.
Building Technologies
Application
1
15 6740, 6741, 6742
16 6740, 6741, 6742
17 6740, 6741, 6742
18 6740, 6741, 6742
18 6741, 6742
19 6740, 6741, 6742
20 6741, 6742
21 6740, 6741, 6742
22 6741, 6742, 6700
22 6740
23 All
24 6741, 6742
25 6741, 6742
26 6741, 6742
27 6741, 6742
28 6741, 6742
30 6741, 6742
Owner's Manual
Chapter 3 – Point Database
Description
767 seconds.
A value of the preset FVEL STPT, in percent, that the
controller uses as the setpoint when EMER ALM is ON.
(Application 6740 uses EXH STPT.)
Displays an ON or OFF status. When the face velocity goes
below the value specified at LOW WARN LMT for the time
specified in ALARM TIME, the point goes into a warning
state (ON); the yellow LED is illuminated at the ODP.
Displays an ON or OFF status. When the face velocity goes
above the value specified at HI WARN LMT for the time
specified in ALARM TIME, the point goes into a warning
state (ON), the yellow LED is illuminated at the ODP.
Time delay for the red and yellow alarm LEDs used to
eliminate sudden changes and false alarms. The average
face velocity must rise above any of the set limits (for
example, HI ALM LMT) for the amount of time specified at
this point before the ODP indicates an alarm condition.
Maximum flow setpoint allowed. FLOW MAX will override the
FVEL STPT if the calculated FLOW STPT is greater than
FLOW MAX.
Displays an ON or OFF status that indicates the Horn
Silence button has been pressed at the ODP to acknowledge
an alarm condition. The point will reset when the alarm
condition clears or another alarm is initiated.
OCC or UNOCC point controls which face velocity setpoint to
use; OCC FV SET or UNOCC FV SET.
Toggles the ODP from normal operation to OFF mode. In
OFF mode, the alarms do not sound, the ODP displays OFF
and the RED LED is on.
Indicates if the left auxiliary button on the ODP has been
pressed. This is a toggle action digital input; when pressed,
the point is ON. If pressed again, the point is OFF.
Indicates if the left button on the ODP has been pressed.
This is a toggle action digital input; when pressed, the
controller changes between HI and LOW flow setpoints.
Indicates if the right auxiliary button on the ODP has been
pressed. This is a toggle action digital input; when pressed,
the point is ON. If pressed again, the point is OFF.
ATTN or UNATTN point controls the mode of operation for
the sash alert function.
The open area in square feet (SQM) at which the Sash Alert
feature will start beeping the horn during attended operation.
The open area in square feet (SQM) at which the Sash Alert
feature will start beeping the horn during unattended
operation.
When SASH OP ALRT is on, you can silence the alert for the
time entered in OPEN TIME.
ON or OFF point controls if the ODP will beep for the SASH
ALRT function or if the alarm will just be passed to the
network.
This point turns ON when the face area is larger than UN
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125-5093
2015-10-14