
DIFFERENTIAL
PRESSURE
HPS-X -2
Mounting and operating instructions
TRANSMITTER

DIFFERENTIAL PRESSURE
HPS-X -2
TRANSMITTER
Table of contents
SAFETY AND PRECAUTIONS 3
PRODUCT DESCRIPTION 4
ARTICLE CODES 4
INTENDED AREA OF USE 4
TECHNICAL DATA 4
STANDARDS 5
OPERATIONAL DIAGRAM 5
WIRING AND CONNECTIONS 5
MOUNTING INSTRUCTIONS IN STEPS 6
VERIFICATION OF THE INSTALLATION INSTRUCTIONS 7
OPERATING INSTRUCTIONS 8
MODBUS REGISTER MAPS 10
TRANSPORT AND STOCK KEEPING INFORMATION 15
WARRANTY INFORMATION AND RESTRICTIONS 15
MAINTENANCE 15
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DIFFERENTIAL PRESSURE
HPS-X -2
TRANSMITTER
SAFETY AND PRECAUTIONS
Read all information, the datasheet, mounting instructions and wiring scheme
before working with the product. For personal and equipment safety, and for
optimum product performance, make sure you entirely understand the contents
before installing, using, or maintaining this product.
For safety and licensing (CE) reasons, unauthorised conversion and/ or modifications
to the product are not permitted.
e product must not be exposed to abnormal conditions, such as: extreme
temperatures, direc t sunlight or vibrations. Chemical vapours with high concentration
in combination with long exposure times can affect the product performance. Make
sure the work environment is as dry as possible; check for condensation spots.
All installations shall comply with the local health and safety regulations and local
electrical codes. is product can only be installed by an engineer or a technician
who has an expert knowledge of the product and safety precautions.
Avoid contacts with energised electrical parts; always treat the product as if it
is life. Always disconnect the power source before connecting the power cables,
servicing or repairing the product.
Always verify that you apply appropriate power supply to the product and use wires
with appropriate size and characteristics. Make sure that all the screws and nuts are
well tightened and fuses (if any) are fitted well.
Recycling of equipment and packaging should be taken into consideration and
disposed in accordance with local and national legislation/regulations.
In case there are any questions that are not answered, please contact your technical
support or consult a professional.
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DIFFERENTIAL PRESSURE
HPS-X -2
TRANSMITTER
PRODUCT DESCRIPTION
ARTICLE CODES
e HPS-X -2 series are high resolution differential pressure transmitters with
Modbus RTU communication, which are equipped with a fully digital pressure
transducer designed for a wide range of applications. Air flow velocity readout is
available by connecting an external Pitot tube connection set. All parameters are
accessible via Modbus RTU (3S Modbus software or Sensistant).
Article code Power supply Connection Range, [Pa]
HP S - F-1K0 -2
HPS-F-2K0-2
HPS-F-4K0-2
HP S -F-10K -2
HP S - G -1K0-2
HPS-G-2K0-2
HPS-G-4K0-2
HP S - G-10K -2
18—34 VDC 4-wire (separate grounds)
18—34 VDC /
15—24 VAC ± 10 %
*
(common ground)
3-wire
0—1.000 Pa
0—2.000 Pa
0—4.000 Pa
0—10.000 Pa
0—1.000 Pa
0—2.000 Pa
0—4.000 Pa
0—10.000 Pa
INTENDED AREA OF USE
TECHNICAL DATA
■
Differential pressure measurement in HVAC applications
■
Air flow volume measurement ** in HVAC applications
■
Air flow velocity measurement (by using an external PSET-PT X-200 Pitot tube
connection set) in HVAC applications
■
Differential pressure/airflow monitoring in clean rooms
■
Clean air and non-aggressive, non-combustible gases
■
Built-in digital high resolution differential pressure sensor
■
Air flow velocity can be measured via Modbus RTU (by using an external PSETPTX-200 Pitot tube connection set)
■
Selectable analogue / digital output: 0—10 VDC / 0—20 mA / PWM (open collector
type):
►
0—10 VDC mode: min. load 50 kΩ (RL ≥ 50 kΩ)
►
0—20 mA mode: max. load 500 Ω (RL ≤ 500 Ω)
►
PWM mode: PWM Frequency: 1 kHz, min. load 50 kΩ (RL ≥ 50 kΩ)
■
Variety of operating ranges and measurement windows
■
Minimum differential pressure range span: 50 Pa
■
Minimum volume flow range span: 10 m3/h
■
Minimum air velocity range span:1 m/s
■
Selectable response time: 0,1—10 s
■
Implemented K-factor
■
Selectable internal voltage source for PWM output – 3,3 or 12 VDC
■
Differential pressure, air volume** or air velocity readout via Modbus RTU
■
Selectable minimum and maximum operating ranges
■
Modbus registers reset function (to factory pre-set values)
■
Four LEDs with light guides for transmitter status indication
* In case of 3-wire connection, the analogue output GND signal is internally connected with the GND of the power supply. erefore, G and F-type devices
cannot be used together in the same network. G and F-type devices must be supplied with separate power supplies. Do not connect the GND terminals of G
and F-type devices together!
** Only when K-factor of fan / drive is known. If K-factor is unknown, air volume flow can be calculated via multiplying the duct cross-sectional area (A) by the
air flow velocity (V) using the formula: Q = A * V
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DIFFERENTIAL PRESSURE
HPS-X -2
TRANSMITTER
STANDARDS
OPERATIONAL DIAGRAM
■
Modbus RTU communication
■
Sensor calibration procedure via tact switch
■
Aluminium pressure connection nozzles
■
Accuracy: ± 2 % of the operating range
■
Four LEDs with light guides for transmitter status indication
■
Operating ambient conditions:
►
Temperature: -5—65 °C
►
Rel. humidity: < 95 % rH (non-condensing)
■
Storage temperature: -20—70 °C
■
Low Voltage Directive 2014/34/EC
■
EMC Directive 2014/30/EC: EN 61000-6-2: 2005/AC:2005,
EN 61000-6-3:2007/A1:2011/AC:2012, EN 61326-2-3:2013
■
WEE E Di r ective 2012/19/EC
■
RoHs Directive 2011/65/EC
WIRING AND CONNECTIONS
Vin
GND Ground / AC ~
A Modbus RTU (RS485), signal A
/B Modbus RTU (RS485), signal /B
AO1 Analogue / digital output (0—10 VDC / 0—20 mA / PWM)
GND Ground
Connections
Output [%]
90
80
70
60
50
40
30
20
Out of range
10
LED4 ON
Min. pr essur e
limit
Measured value (pressure, volume flow
Cont rol
range min.
or air velocity) vs. Output
Cont rol
range max.
Max. pressur e
G-version: 18—34 VDC / 15—24 VAC ± 10 %
F-version: 18—34 VDC
Cable cross section 1,5 mm
2
Cable gland clamping range 3,5 mm
Connecting tube diameter 6—7 mm
limit
Differential pressure
Air vo lume flow
Air velocity
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