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P26 Instruction Manual 

 

32 

Level 1 

Level2 

Level3 

Level4 

Consumption 

Mode 

 

 

 

 

Off 

 

 

 

Σ(ΔP >0) 

 

 

 

Σ(ΔP) 

 

 

 

Σ(abs ΔP) 

 

 

Mass/pulse 

 

 

 

Vol./pulse 

 

 

 

Pulse output 

 

 

 

 

Pulse duration 

xxxx ms  

 

 

Pulse interval 

xxxx ms 

 

Filter 

On 

 

 

 

Off 

 

 

Sum reset   

Yes/No 

 

 

Old sum 

 

 

 

Recall Sum 

Yes/No 

 

 

Security Code 

xxxx 

 

Warning 

Relay1 

 

 

 

Relay 2 

 

 

 

 

Mode 

Increasing 

 

 

 

Decreasing 

 

 

 

Off 

 

 

 

Air consum. 

 

 

Value 

x.xxxx )* 

 

 

Hysteresis 

x.xxxx )* 

 

 

Tv 

xxxxx ms 

 

 

Tn (Rev2.11) 

xxxxx ms 

 

 

Warning signal 

xxxx ms 

 

 

Filter (Re2.14) 

Off, on 

 

 

 

 

Setting 

Language 

English 

 

 

 

German 

 

 

 

Italian 

 

 

 

French 

 

 

Output 

4 … 20 mA 

 

 

 

0 … 20 mA 

 

 

 

-

5 …+5V 

 

 

 

0 … 10 V 

 

 

Filter 

xxxxx ms 

 

 

Touchtone 

On 

 

 

 

Off 

 

 

Resolution 

max. 

 

 

 

0.01% 

 

 

 

0.1% 

 

 

 

0.2% 

 

 

 

0.5% 

 

 

 

1% 

 

 

Zero-point calibr. 

xxxx min 

 

 

SMU 

x.x% 

 

 

 

Summary of Contents for P26

Page 1: ...ntial Pressure Transmitter halstrup walcher GmbH Stegener Stra e 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...

Page 2: ...Front view 13 4 Zero point calibration cycle 14 4 1 External zero point calibration optional 14 5 Overpressure protection 14 6 Display optional 14 7 Menu optional 15 7 1 Display 15 7 2 Scale 15 7 2 1...

Page 3: ...4 5 Tn stopping time from Rev2 11 21 7 4 6 Warning signal 21 7 4 7 Filter from Rev2 14 21 7 5 Setting 21 7 5 1 Language 22 7 5 2 Output 22 7 5 3 Filter 22 7 5 4 Touchtone 22 7 5 5 Resolution 22 7 5 6...

Page 4: ...P26 Instruction Manual 4 10 Troubleshooting 29 11 Dimension drawing 30 12 Menu tree 31...

Page 5: ...ifecycle of the instrument It must be provided to any individuals who assume responsibility for operating the instrument at a later date It must include any supplementary materials provided by the man...

Page 6: ...s Assembly and the electrical connections should only be handled by professionals They should be given proper training and be authorised by the operator of the facility Although the P26 pressure trans...

Page 7: ...nents of the instrument contain environmentally hazardous materials and materials that can be reused The instrument must therefore be sent to a recycling plant when you no longer wish to use it The en...

Page 8: ...differential pressure measure volume flow mass flow and flow rate display a measured value monitor a variety of threshold parameters Actual pressure value Calculation volume flow mass flow flow rate...

Page 9: ...In measurement mode the keys perform the following functions The Enter key starts a zero point calibration key shows the maximum to reset press Enter while the maximum is being displayed key shows th...

Page 10: ...P26 Instruction Manual 10 3 3 Internal connections and buttons Standard version Version with external zero point calibration...

Page 11: ...dard 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...

Page 12: ...elay 2 Port designation Description 7 OPENING CONTACT rest position 8 CENTRE CONTACT middle position 9 CLOSING CONTACT active position Power supply o 24V DC Left contact Ground Central contact 24V DC...

Page 13: ...ceive TXD 2 send GND 5 earth USB Port designation PIN Description Power 1 power supply via USB port of the PC D bidirectional 2 USB data negative polarity D bidirectional 3 USB data positive polarity...

Page 14: ...ation is also available optional In this version there is an additional contact on the output connector To initiate a zero point calibration this connection must be connected briefly with 24 V INFORMA...

Page 15: ...o select the unit you want and press Enter to confirm The type of display pressure flow rate etc is selected automatically When the air consumption function is activated the selection of units that ca...

Page 16: ...ned settings such as 0V at 0Pa or 10V at 250Pa are also possible 7 2 1 1 Top With this menu item you can set the pressure at which the output will achieve its maximum value Any value within the measur...

Page 17: ...r scale value on the mass flow display root extracted measured value The maximum pressure is the larger of the two scale values which is used as a basic calculation 7 2 3 2 Units You can use this menu...

Page 18: ...e code if you wish to change the parameters Mode A number of modes are available for recording the volume s 7 3 1 1 Off Recording of consumption values is deactivated The scaling function is available...

Page 19: ...e pulse length and the min break for the volume or mass pulses 7 3 3 1 Pulse length This parameter is used to defined the duration of the relay pulse Values are adjustable between 20 and 1999ms 7 3 3...

Page 20: ...sure Air consumption Relay is used as a pulse output for the air consumption function if this is activated otherwise the relay is deactivated In air consumption mode the other relay parameters are not...

Page 21: ...he warning tone will be equal to the sum of the durations of the two separate tones but max 1000 ms With firmware Rev 2 21 and later the warning signal can be switched of by pressing any of the front...

Page 22: ...he touchtone Resolution This parameter affects the display resolution The display is changed according to the adjusted values For example if the setting is 1 the display changes to showing the measuri...

Page 23: ...he relay is triggered Brightness This parameter lets you adjust the brightness of the background lighting You can adjust the values from 0 dark to 16 bright Contrast This parameter is used to adjust t...

Page 24: ...erface incorporates a USB socket with an integrated USB to serial converter For this the driver from the manufacturer FTDI must be installed on the PC Please visit the manufacturer s website www ftdic...

Page 25: ...ting ScalSG Flow rate m s at max scale value ScalO Min 0 floating PRelai1 Switching pressure relay 1 Pa 120 120 of the measurement range floating RRelai1 Switching direction for Relay 1 1 decreasing 0...

Page 26: ...ting 0 16 unsigned int Lrg disp Backlighting 0 off 1 white 2 blue unsigned int Lrg disp Air consumption function only when the correct code has been entered LVF_Mode 0 off deactivated 1 P 0 sum for P...

Page 27: ...entered LVF code is correct LVF_Unit Display the unit of the LVF function displayed unit 9 0 1 m 2 ft 3 4 5 kg int 3 0 Read out mass or volume increment per pulse depending on the selected unit floati...

Page 28: ...pon measurement range max 5 significant digits Ambient conditions Medium Air non aggressive gases Operating temperature 10 C to 50 C Storage temperature 10 C to 70 C Electrical data Rated input approx...

Page 29: ...ctivated Delete consumption sum and deactivate air consumption function Air consumption function does not appear in the menu Incorrect display unit Only m s m h ft3 h kg s kg min and kg h may be used...

Page 30: ...P26 Instruction Manual 30 Dimension drawing P26 with display P26 without display...

Page 31: ...si inH2O inHg m s m h kg s kg min kg h m s mph ft s ft min km h ft h LVF option Scale Pressure Top xxx xx Bottom xxx xx Unit Pa hPa kPa mbar mmH2O mmHg psi inH2O inHg Volume flow Value xxx xxxx Unit m...

Page 32: ...ld sum Recall Sum Yes No Security Code xxxx Warning Relay1 Relay 2 Mode Increasing Decreasing Off Air consum Value x xxxx Hysteresis x xxxx Tv xxxxx ms Tn Rev2 11 xxxxx ms Warning signal xxxx ms Filte...

Page 33: ...htness 0 16 Contrast 0 32 Read factory settings Yes press Enter Security Code xxxx Decimal point depends on selected unit For additional specifications and dimension drawings please visit our website...

Page 34: ...P26 Instruction Manual 34...

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