Siemens 125-2134 Owner's Manual page 27

Differential pressure monitor
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Descriptor
Address
DP2 RAW
88
SWITCHOVER
89
DISPLAY DP1
90
DISPLAY DP2
92
DISPLAY WT1
93
DISPLAY WT2
94
ENG UNITS
95
LAMP TEST
97
ERROR STATUS
99
Siemens Building Technologies, Inc.
Application
702, 704
Indicates RAW counts used for diagnostic purposes.
701, 702,
Indicates that the controller is switching from one pressure mode
703, 704
to another. This point will turn OFF when SWITCH DELAY has
timed out.
701, 702,
When this point is set to ON, the differential pressure reading
703, 704
from DIFF PRES1 (Point 30) is displayed on the LCD.
702, 704
When this point is set to ON, the differential pressure reading
from DIFF PRES2 (Point 32) can be continuously displayed on
the LCD. Otherwise, the differential pressure reading from
DIFF PRES1 will be displayed if DISPLAY DP1 is set to ON.
701, 702,
The factor used to filter out large changes in the value of
703, 704
DIFF PRES1 (Point 30) that is displayed on the LCD. This value
is used to average a portion of the current differential pressure
with a portion of the previous differential pressure. The value of
this point is a percentage of the current differential pressure; it
will never drop below 20%.
702, 704
The factor used to filter out large changes in the value of
DIFF PRES2 (Point 31) that is displayed on the LCD. This value
is used to average a portion of the current differential pressure
with a portion of the previous differential pressure. The value of
this point is a percentage of the current differential pressure; it
will never drop below 20%.
701, 702,
Toggles the display of the LCD from Inches of H
703, 704
Toggling this point does not change the value displayed at the
Portable Operator's Terminal.
701, 702,
Turns on all visual and audible user interface devices on the
703, 704, 790
DPM and energizes the alarm output.
701, 702,
Status code which indicates any errors detected during controller
703, 704, 790
power-up. A status of 0 indicates there are no problems.
Chapter 3 – Point Database
Description
O to Pascals.
2
17

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