1. Manuals
  2. Brands
  3. halstrup-walcher Manuals
  4. Transmitter
  5. P26
  6. Instruction manual

halstrup-walcher P26 Instruction Manual

Differential pressure transmitter
Hide thumbs Also See for P26:
Table of Contents

Advertisement

Quick Links

See also: Instruction Manual
P26 Instruction Manual
Differential Pressure
Transmitter
halstrup - walcher GmbH
Stegener Straße 10
D-79199 Kirchzarten
Phone:+49 (0) 76 61/39 63–0
Fax:
+49 (0) 76 61/39 63–99
Email:
Info@halstrup-walcher.de
Internet: www.halstrup-walcher.de
Document 7100.004084
10/2017

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the P26 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for halstrup-walcher P26

Summary of Contents for halstrup-walcher P26

  • Page 1 P26 Instruction Manual Differential Pressure Transmitter halstrup - walcher GmbH Stegener Straße 10 D-79199 Kirchzarten Phone:+49 (0) 76 61/39 63–0 Fax: +49 (0) 76 61/39 63–99 Email: Info@halstrup-walcher.de Internet: www.halstrup-walcher.de Document 7100.004084 10/2017...

  • Page 2: Table Of Contents

    P26 Instruction Manual Table of Content: 1 Purpose of instruction manual ..................... 5 2 Safety precautions ....................... 6 2.1 Appropriate use ......................6 2.2 Shipping, assembly, electrical connections and start-up ..........6 2.3 Troubleshooting, maintenance, repairs, disposal ............7 2.4 Symbols ......................... 7 3 Instrument description ......................
  • Page 3 P26 Instruction Manual 7.3.1.4 Σ(abs ΔP) ..................... 18 7.3.2 Mass/Pulse or Vol./Pulse ..................19 7.3.3 Pulse output ......................19 7.3.3.1 Pulse length ....................19 7.3.3.2 Pulse interval ....................19 7.3.4 Filter ........................19 7.3.5 Reset sum....................... 19 7.3.6 Old sum ........................19 7.3.7 Recall Sum ......................
  • Page 4 P26 Instruction Manual 10 Troubleshooting ....................... 29 11 Dimension drawing ......................30 12 Menu tree ........................31...

  • Page 5: Purpose Of Instruction Manual

    P26 Instruction Manual Purpose of instruction manual This instruction manual describes the features of the P26 and provides guidelines for its use. Improper use of this instrument or failure to follow these instructions may cause injury or equipment damage. Every person who uses this device must therefore read the manual and understand the possible risks.

  • Page 6: Safety Precautions

    Although the P26 pressure transducer is highly robust, it is nevertheless a precision instrument and should be handled with care. Avoid mounting the P26 in the direct vicinity of any sources of heat or radiation. Ideally, the instrument should be mounted vertically on a wall not subject to vibration.

  • Page 7: Troubleshooting, Maintenance, Repairs, Disposal

    P26 Instruction Manual 2.3 Troubleshooting, maintenance, repairs, disposal The individual responsible for the electrical connections must be notified if the instrument is damaged or if errors occur that cannot be corrected as indicated in Section 10. This individual must take the instrument out of service until the error has been corrected and ensure that it cannot be used unintentionally.

  • Page 8: Instrument Description

    P26 Instruction Manual Instrument description 3.1 Functions The P26 is controlled by a microprocessor and can  measure pressure and vacuum  measure differential pressure  measure volume flow, mass flow and flow rate  display a measured value ...

  • Page 9: User Interfaces

    P26 Instruction Manual 3.2 User interfaces The following four keys are available: Menü Right Enter Meaning (Measurement Mode) Meaning (Menu) Menu Start Menu Go back a menu level Enter Start zero-point calibration Confirm Up arrow Max. display Increases a value or scrolls up Right Min.

  • Page 10: Internal Connections And Buttons

    P26 Instruction Manual 3.3 Internal connections and buttons Standard version Version with external zero-point calibration...
  • Page 11 P26 Instruction Manual Standard version Output signal Relay1 Relay2 Power supply RS232 interface for PC Reset Version with external zero-point calibration Output signal Relay1 Relay2 Power supply External zero-point calibration RS232 interface for PC Reset...
  • Page 12 P26 Instruction Manual Output signal: Port designation Description current output earth voltage output N (optional) +24 V starts external zero-point calibration  Relay 1: Port designation Description 4 CLOSING CONTACT active position 5 CENTRE CONTACT middle position 6 OPENING CONTACT rest position ...

  • Page 13: Front View

    P26 Instruction Manual 3.4 Front view USB (optional) C a b l e g l a n d s: Signal Relay Power supply Pressure ports:  RS-232: Port designation Description receive send earth  USB: Port designation Description Power power supply via USB port of...

  • Page 14: Zero-Point Calibration Cycle

    In this case, it doesn’t matter if the zero-point calibration is deactivated or the P26 is in the menu. Overpressure protection The P26 has an internal overpressure safeguard that protects the precision pressure measurement capsule from damage. (Overload range: 200 x [max. 600 kPa]) Display (optional) The measured values and the menu are shown on the display.

  • Page 15: Menu (Optional)

    P26 Instruction Manual Menu (optional) If the P26 includes a display, you can use the menu to adjust various settings. Press the Menu key to bring up the menu. In Menu mode, the parent menu item always appears in the top display line. The middle line always shows the current sub-menu item or value to be changed.

  • Page 16: Pressure

    7.2.1.2 Bottom With this menu item, you can set the pressure at which the output will achieve its minimum value. Any value within the P26’s measuring range can be selected. 7.2.1.3 Units Use this menu item to select the pressure unit. The following pressure units can be selected: ...

  • Page 17: Value

    P26 Instruction Manual 7.2.2.1 Value This is used to set the volume flow value displayed at the maximum scaled pressure. 0 is always used as the lower scale value on the volumetric flow display (root-extracted measured value). The maximum pressure is the larger of the two scale values, which is used as a basic calculation.

  • Page 18: Air Consumption Function (Option Available From Firmware Version 3.0)

    P26 Instruction Manual 7.3 Air consumption function (option available from firmware version 3.0) The air consumption function is only available if you have selected one of the following units as the display unit: m³/s, m³/h, ft³/h, kg/s, kg/min or kg/h.

  • Page 19: Mass/Pulse Or Vol./Pulse

    P26 Instruction Manual Mass/Pulse or Vol./Pulse The recorded consumption values are signalled to the connected control module by a relay. Every pulse corresponds to a defined volume or a definable mass. This menu item can be used to set this volume or mass. The parameter displayed depends on the display units selected.

  • Page 20: Warning

    P26 Instruction Manual 7.4 Warning Use this menu item to influence the behaviour of the relays. The first menu item that appears here is Select Relay. The settings for this relay should then be changed. Use the “▲” and “►”...

  • Page 21: Tn Stopping Time (From Rev2.11)

    1000 ms. With firmware Rev 2.21 and later, the warning signal can be switched of by pressing any of the front key of the P26. It will be reactivated if the pressure will pass any of the the warning levels again.

  • Page 22: Language

    P26 Instruction Manual Language The menu language can be selected with this menu item. You can choose from the following languages:  English  German  Italian  French Make your choice with the “▲” or "►" keys. Press Enter to confirm your selection.

  • Page 23: Illumination

    P26 Instruction Manual Illumination This parameter can be used to select the backlighting colour for the LCD display in the menu or when the colour change function has been switched off. You can choose from the following three options: ...

  • Page 24: Interfaces (Optional)

    P26 Instruction Manual Interfaces (optional) 8.1 Settings of the serial interface The serial interface (RS 232) has the following settings:  9600 baud  8 data bits  no parity  one stop bit 8.2 Settings of the USB port The USB interface incorporates a USB socket with an integrated USB-to-serial converter.

  • Page 25: List Of Commands

    P26 Instruction Manual 8.3 List of commands Command Description Model Rev. Displays the current pressure in the floating selected unit (see command UnitD) Displays the status: 8-digit Bit6: Relay1 switched Bit5: Relay1 switched Bit5: Pressur overload Bit1: zeroing activated Reserve bits: 7, 4, 3, 0...
  • Page 26 P26 Instruction Manual Parameters Description Model ARelai2 Dropout delay for relay 2 [ms] (from Rev. 2.11) unsigned int (0 .. 30000) Filter Time constant filter [ms] unsigned int (25 .. 60000) Lang Language unsigned int (1=GB, 2=GER, 3=I, 4=F) AutoNull...
  • Page 27 P26 Instruction Manual Parameters Description Model ?LVF_Stat Status LVF_Funktion Bit 0 = LVF function available Bit 1 = LVF capable display unit is selected Bit 2 = LVF data is correct Bit 3 = LVF data is read-out Bit 7 = entered LVF code is correct...

  • Page 28: Technical Data

    P26 Instruction Manual Technical data Measurement data Measurement range 10 / 50 / 100 / 250 / 500 Pa (also ± measurement 1 / 2.5 / 5 / 10 / 20 / 50 / 100 kPa ranges) (freely scalable from 10 to 100% within a measurement...

  • Page 29: Troubleshooting

    P26 Instruction Manual Troubleshooting Problem Cause Corrective Action Instrument does not work; No power Check the terminal connections nothing on display and supply voltage Only m³/s,m³/h, ft3/h, kg/s, Air consumption function Delete consumption sum and kg/min and kg/h may be activated.

  • Page 30: Dimension Drawing

    P26 Instruction Manual Dimension drawing P26 with display P26 without display...

  • Page 31: Menu Tree

    P26 Instruction Manual Menu tree Level 1 Level 2 Level 3 Level 4 Display Pressure mbar mmH2O mmHg inH2O inHg m³/s m³/h kg/s kg/min kg/h ft/s ft/min km/h ft³/h(LVF option) Scale Pressure xxx.xx )* Bottom xxx.xx )* Unit mbar mmH2O...
  • Page 32 P26 Instruction Manual Level 1 Level2 Level3 Level4 Consumption Mode Σ(ΔP >0) Σ(ΔP) Σ(abs ΔP) Mass/pulse Vol./pulse Pulse output Pulse duration xxxx ms Pulse interval xxxx ms Filter Sum reset Yes/No Old sum Recall Sum Yes/No Security Code xxxx Warning...
  • Page 33 P26 Instruction Manual Level 1 Level 2 Level 3 Level 4 Lighting White Blue Colour change 0 … 16 Brightness 0 … 32 Contrast Read factory (Yes = press settings Enter) Security Code? xxxx )* Decimal point depends on selected unit For additional specifications and dimension drawings, please visit our website at http://www.halstrup-walcher.de/en/produkte/druckmesstechnik/index.php...
  • Page 34 P26 Instruction Manual...

Table of Contents