Siemens 125-2134 Owner's Manual page 25

Differential pressure monitor
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Descriptor
Address
CAL DP2 AVG
41
CAL DP1
42
CAL DP2
43
CAL TIME
44
RED LED
45
GREEN LED
46
HORN
47
HORN SILENCE
48
LOOP SIGNAL
49
ALARM OUT
50
MAX1 POS
51
MID1 POS
52
MIN1 POS
53
ZERO 1
54
MAX1 NEG
55
Siemens Building Technologies, Inc.
Application
702, 704
Represents the average value of DP2 RAW (Point 88) for the
period of time set in CAL TIME (Point 44). DP2 RAW is sampled
for averaging when CAL DP2 (Point 43) is set to DONE. When
CAL TIME has elapsed, the average value of DP2 RAW for this
time period will be displayed in this field.
701, 702,
The operator sets this point to DONE to initiate the field
703, 704
calibration procedure. The point will return to READY when
CAL TIME (Point 44) has elapsed.
702, 704
The operator sets this point to DONE to initiate the field
calibration procedure. The point will return to READY when
CAL TIME (Point 44) has elapsed.
701, 702,
Indicates the amount of time the differential pressure raw values
703, 704
are sampled during calibration. Valid entry: 0-600 seconds.
701, 702,
Digital output used to turn on and off the red LED.
703, 704, 790
701, 702,
Digital output used to turn on and off the green LED.
703, 704, 790
701, 702,
Digital output used to turn on and off the horn.
703, 704, 790
701, 702,
Determines the mode of operation for the HORN when an alarm
703, 704, 790
is active.
701, 702,
4-20 mA linear signal output, over the range of -0.2 to +0.2
703, 704, 790
inches of water (-49.8 to +49.8 Pascals), used to represent the
pressure for DIFF PRES1 (Point 30).
701, 702,
Digital output used to turn on and off the alarm output.
703, 704, 790
701, 702,
Represents the field calibration differential pressure, as read from
703, 704
DP1 RAW (Point 68), when the Remote Pressure Transmitter
calibrator is set to the MAXimum differential pressure (+0.170 in.
of water, 42.34 Pascals) for positive pressurization.
701, 702,
Represents the field calibration differential pressure, as read from
703, 704
DP1 RAW (Point 68), when the Remote Pressure Transmitter
calibrator is set to the MIDdle differential pressure (+0.050 in. of
water, 12.45 Pascals) for positive pressurization.
701, 702,
Represents the field calibration differential pressure, as read from
703, 704
DP1 RAW (Point 68), when the Remote Pressure Transmitter
calibrator is set to the MINimum differential pressure (+0.005 in.
of water, 1.24 Pascals) for positive pressurization.
701, 702,
Represents the field calibration differential pressure, as read from
703, 704
DP1 RAW (Point 68), when tape is applied over the Remote
Pressure Transmitter through-the-wall ports producing a zero
differential pressure (+0.000 in. of water, 0.000 Pascals).
701, 702,
Represents the field calibration differential pressure, as read from
703, 704
DP1 RAW (Point 68), when the Remote Pressure Transmitter
calibrator is set to the MAXimum differential pressure (-0.170 in.
of water, -42.34 Pascals) for negative pressurization.
Chapter 3 – Point Database
Description
15

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