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Mounting and operating instructions

DPD

DUAL DIFFERENTIAL 

PRESSURE TRANSMITTER 

WITH DISPLAY 

Summary of Contents for DPD-F-10K

Page 1: ...Mounting and operating instructions DPD DUAL DIFFERENTIAL PRESSURE TRANSMITTER WITH DISPLAY ...

Page 2: ... CODES 4 INTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 5 OPERATIONAL DIAGRAM 5 WIRING AND CONNECTIONS 6 MOUNTING INSTRUCTIONS IN STEPS 6 OPERATING INSTRUCTIONS 9 VERIFICATION OF INSTALLATION 13 TRANSPORT AND STORAGE 13 WARRANTY AND RESTRICTIONS 13 MAINTENANCE 13 DUAL DIFFERENTIAL PRESSURE TRANSMITTER WITH DISPLAY DPD ...

Page 3: ...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 connect...

Page 4: ...K0 15 24VAC 10 3 4 W 2 5 W 230 mA 0 4 000 Pa DPD G 10K 0 10 000 Pa INTENDED AREA OF USE Differential pressure measurement in HVAC applications Volume flow measurement in HVAC applications Air velocity measurement 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 g...

Page 5: ...H non condensing Storage temperature 20 70 C STANDARDS EMC Directive 2014 30 EC EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requirements Part 1 General requirements EN 61326 2 3 2013 Electrical equipment for measurement control and laboratory use EMC requirements Part 2 3 Particular requirements Test configuration operational conditions and performance crite...

Page 6: ...nd This means that the ground of the analogue output is internally connected with the ground of the power supply For this reason G and F types cannot be used together on the same network Never connect the common ground of G type articles to other devices powered by a DC voltage Doing so might cause permanent damage to the connected devices MOUNTING INSTRUCTIONS IN STEPS Before you start mounting t...

Page 7: ...l area cm in Modbus holding register 63 for sensor module 1 or in holding register 83 for sensor module 2 If you use PSET QF or PSET PVC enter the K factor of the fan provided by the fan motor manufacturer in Modbus holding register 62 for sensor module 1 or in holding register 82 for sensor module 2 In case the K factor is not known volume flow is calculated from a duct cross sectional area holdi...

Page 8: ...age selection When the internal pull up resistors JP1 for sensor module 1 and JP2 for sensor module 2 are connected the voltage source is set via Modbus holding register 54 for sensor module 1 and holding register 74 for sensor module 2 i e 3 3 VDC or 12 VDC See Fig 5 Pull up resistor jumpers Fig 5 Pull up resistor jumpers JP2 JP1 When JP1 and JP2 are disconnected the output type is Open collector...

Page 9: ... For the complete Modbus register data refer to the product Modbus Register Map which is a separate document attached to the article code on the website and contains the registers list Products with earlier firmware versions may not be compatible with this list NOTE OPERATING INSTRUCTIONS NOTE For detailed information and settings refer to the product Modbus register map which is attached to the a...

Page 10: ...he printed circuit board blinks two times and do not release the switch until LED3 blinks again three times 2 All Modbus registers except the communication related registers 1 9 are reset to their default values factory pre set During the Modbus reset procedure the display will indicate H see Fig 8 Fig 8 Sensor calibration and Modbus holding register reset tact switches and indication SW2 SW1 ATTE...

Page 11: ...ple of displaying 100 m3 h is given in Fig 10 a below 2 2 Air volume flow rate above 10 000 m3 h is displayed divided by 1 000 An example of displaying 10 000 m3 h is given in Fig 10 b below Fig 10 Air volume flow and air velocity mode indications 10 a Air volume flow mode 0 9999 m3 h 10 b Air volume flow mode 10 000 m3 h 3 Air velocity display mode 3 1 Air velocity is displayed with a resolution ...

Page 12: ...Air velocity Under the minimum range Sensor 1 Sensor 2 Above the maximum range Sensor 1 Sensor 2 Within the range Sensor 1 Sensor 2 The display changes its indication as follows 1 Channel 1 indication 3 seconds 2 Channel 1 measured pressure volume flow air velocity 6 seconds 3 Channel 2 indication 3 seconds 4 Channel 2 measured pressure volume flow air velocity 6 seconds 5 Return to indication 1 D...

Page 13: ...ke the relevant safety measures ATTENTION TRANSPORT AND STORAGE Avoid shocks and extreme conditions 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 mispri...

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