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MIW-HPD-X-EN-001 - 19 / 03 / 2020

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SAFETY AND PRECAUTIONS

Read all the information, the datasheet, the Modbus register map, the mounting and 
operating instructions and study the wiring and connection diagram 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 
of the product are inadmissible.

The product should not be exposed to abnormal conditions, such as: extreme 
temperatures, direct sunlight or vibrations. Long-term exposure to chemical 
vapours in high concentration can affect the product performance. Make sure the 
work environment is as dry as possible; avoid condensation.

All installations shall comply with local health and safety regulations and local 
electrical standards and approved codes. This product can only be installed by 
an engineer or a technician who has expert knowledge of the product and safety 
precautions.

Avoid contacts with energised electrical parts. Always disconnect the power 
supply before connecting, servicing or repairing the product.

Always verify that you apply appropriate power supply to the product and use 
appropriate wire 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 these 
should be disposed of 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.

 

 

DUAL DIFFERENTIAL 
PRESSURE TRANSMITTER 

HPD

Summary of Contents for HPD

Page 1: ...Mounting and operating instructions HPD DUAL DIFFERENTIAL PRESSURE TRANSMITTER ...

Page 2: ...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 INSTALLATION 8 OPERATING INSTRUCTIONS 9 TRANSPORT AND STORAGE 10 WARRANTY AND RESTRICTIONS 10 MAINTENANCE 10 DUAL DIFFERENTIAL PRESSURE TRANSMITTER HPD ...

Page 3: ...e work environment is as dry as possible avoid condensation All installations shall comply with local health and safety regulations and local electrical standards and approved codes This product can only be installed by an engineer or a technician who has expert knowledge of the product and safety precautions Avoid contacts with energised electrical parts Always disconnect the power supply before ...

Page 4: ...nt by using an external PSET PTX 200 Pitot tube connection set in HVAC applications Differential pressure volume flow monitoring in clean rooms Clean air and non aggressive non combustible gases TECHNICAL DATA 2 built in digital high resolution differential pressure sensors Air velocity can be measured via Modbus RTU by using an external PSET PTX 200 Pitot tube connection set 2 selectable analogue...

Page 5: ...ective 2012 19 EC RoHs Directive 2011 65 EC OPERATIONAL DIAGRAM 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 VDC mA PWM Output Differential Pressure Range Pa Control range Minimum Control range Maximum WIRING AND CONNECTIONS Article type HPD F HPD G Vin 18 34 VDC 18 34 VDC 13 26 VAC Ground Common ground AC GND Ground AC A Modbus RTU RS485 signal A B Modbus RTU RS485 signal B AO1...

Page 6: ...oose a smooth surface for installation a wall panel etc and follow these steps 1 Unscrew the front cover of the enclosure to remove it 2 Fix the enclosure onto the surface by means of suitable fasteners while adhering to the mounting dimensions shown in Fig 1 and the correct mounting position shown in Fig 2 below Fig 1 Mounting dimensions Fig 2 Mounting position HPD _ 80 65 85 2x Ø 6 46 24 20 15 1...

Page 7: ...led and Pitot tube connected 6 3 To measure air velocity use PSET PT set and enable Pitot tube air velocity via holding register 64 for sensor module 1 or in holding register 84 for sensor module 2 In this case the K factor of the fan has to be 0 Fig 4 Connecting with accessories Application 1 Measuring differential pressure Pa or volume flow m h using PSET PVC Application 2 Measuring volume flow ...

Page 8: ... Example 1 Example 2 RX ТX NBT NBT Slave 2 Master Slave n Slave 1 Slave 2 Slave 1 RX ТX NBT NBT Master Slave n NOTE On a Modbus RTU network two bus terminators NBTs need to be activated 9 Put back the front cover and secure it with the screws 10 Customise the factory settings to the desired ones via the 3SModbus software or the Sensistant configurator For the default factory settings see Modbus re...

Page 9: ... indication 1 3 After the calibration is done the blue LED3 will blink twice once again to indicate that the calibration procedure has finished 2 Sensor module 2 2 1 Disconnect the nozzles and make sure they are not clogged 2 2 There are two options for starting the calibration process Either write 1 in holding register 90 or press tact switch SW2 for about 5 seconds until the blue LED4 on the pri...

Page 10: ...ditions stock in original packing WARRANTY AND RESTRICTIONS Two years from the delivery date against defects in manufacturing Any modifications or alterations to the product after the date of publication relieve the manufacturer of any responsibilities The manufacturer bears no responsibility for any misprints or mistakes in this data MAINTENANCE In normal conditions this product is maintenance fr...

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