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PKP DB51, Instruction Manual

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PKP DB51 Instruction Manual Download Page 7

Technische Daten 

DB51

 English V1.22 

Page 7 of 40 

4

 

Technical data

 

Measurement: 

Flow and consumption 

Reference Standard: 

Standard settings ex works:  
DIN 1945, ISO 1217 at 20°C and 1000 mbar 

Selectable Units 

m³/h

 (Standard settings ex works) 

m³/min, l/min, l/s, ft/min, cfm, m/s, kg/h, kg/min, kg/s 

Measuring principle: 

calorimetric measurement

 

Sensor:

 

Pt45, Pt1000 

Measuring medium:

 

Air, gases 

Operating temperature:

 

-30 ... 80°C probe tube

-20 ... 70°C housing

Rel. humidity of the 
measuring medium: 

 

  

< 95 % r.H. (no condensation allowed on the sensor element) 

Operating pressure:

 

up to 16 bar, special version PN 40 (40 bar) 

Power supply:

 

18 to 36 VDC 

Power consumption:

 

max. 5W 

Digital output:

 

RS 485 (Modbus RTU) 

Analog output:

 

4...20 mA (see chapter 4), max. burden < 500 Ohm 

Pulse output:

 

pulse output potential free (dry contact) 

passive: max. 48Vdc, 150mA 

1 pulse pro m³ resp.  pro l,   
Valency adjustable with the display keys 

Accuracy: 

± 1,5 % m.v., ± 0,3 % f. s.*

 

Display: 

TFT 1.8  Resolution 220 x 176 

Mounting thread: 

R 1/4", R1/2", R3/4", R1", R 1 1/4" R1 1/2", R 2” DIN EN 
10226 (ISO 7-1) 

Material: 

Stainless steel 1.4301 / 1.4404 

Version with flange DIN EN 1092-1: Stainless steel 1.4404 

Protection class:

 

IP65 

* m.v. = measured values

f.s.   = full scale

5  Scope of delivery 

1x Flow sensor 

DB51

 with measuring section 

1x Calibration certificate 

1x Instruction manual 

Summary of Contents for DB51

Page 1: ...n Manual DB51 Compact mass thermal flowmeter and counter for gases PKP Prozessmesstechnik GmbH Borsigstraße 24 D 65205 Wiesbaden Nordenstadt Tel 49 0 6122 7055 0 Fax 49 0 6122 7055 50 Email info pkp de www pkp de ...

Page 2: ...anual carefully before mounting and initiating the device and follow our advice A riskless operation and a correct functioning of the DB51 are only guaranteed in case of careful observation of the described instructions and notes PKP Prozessmesstechnik Borsigstraße 24 D 65205 Wiesbaden Tel 49 0 6122 7055 0 Fax 49 0 6122 7055 50 Mail info pkp de Web www pkp de ...

Page 3: ...8 7 Installation Description 9 7 1 Pipe tube requirements 9 7 2 Inlet outlet runs 9 7 3 Installation of DB51 10 7 4 Display head Position 10 8 Flow measuring ranges 11 8 1 Flow for different gases 11 9 Dimensions 12 9 1 With measurement section and screw in thread 12 9 2 With measurement section and flange Material stainless steel 1 4404 13 10 Electrical wiring 14 10 1 Modbus RTU 4 20mA Pulse or M...

Page 4: ...Optional 24 11 3 2 2 1 Network Setup DHCP 24 11 3 2 2 2 Network Settings static IP 25 11 3 2 3 Modbus TCP Settings 26 11 3 2 4 Modbus Settings 2001 2005 27 11 3 2 5 Values Register 1001 1500 27 11 3 3 Pulse Alarm 29 11 3 3 1 Pulse output 29 11 3 4 User Setup 30 11 3 4 1 Password 30 11 3 4 2 Language 30 11 3 4 3 Display Touch 31 11 3 5 Advanced 31 11 3 6 4 20mA 32 11 3 7 DB51 Info 34 11 4 MBus 35 1...

Page 5: ...specified in the manual the warranty is cancelled and the manufacturer is exempt from liability The device is destined exclusively for the described application We offer no guarantee for the suitability for any other purpose and are not liable for errors which may have slipped into this operation manual We are also not liable for consequential damage resulting from the delivery capability or use o...

Page 6: ...mpressed air and gases Special features Optimum accuracy due to compact design Integrated Display showing Flow consumption velocity and temperature Input inner tube diameter via display keys Units free selectable m h m min l min l s kg h kg min kg s cfm Modbus RTU RS485 Interface Analogue output 4 20mA Pulse output galv isolated ...

Page 7: ...essure up to 16 bar special version PN 40 40 bar Power supply 18 to 36 VDC Power consumption max 5W Digital output RS 485 Modbus RTU Analog output 4 20 mA see chapter 4 max burden 500 Ohm Pulse output pulse output potential free dry contact passive max 48Vdc 150mA 1 pulse pro m resp pro l Valency adjustable with the display keys Accuracy 1 5 m v 0 3 f s Display TFT 1 8 Resolution 220 x 176 Mountin...

Page 8: ... High Speed 0 215 m h DB51 with integrated 1 meas section Low Speed 4 20 mA 0 75 m h Standard 0 145 m h Max 0 290 m h High Speed 0 355 m h DB51 with integrated 1 1 4 meas section Low Speed 4 20 mA 0 140 m h Standard 0 265 m h Max 0 530 m h High Speed 0 640 m h DB51 with integrated 1 1 2 meas section Low Speed 4 20 mA 0 195 m h Standard 0 365 m h Max 0 730 m h High Speed 0 885 m h DB51 with integra...

Page 9: ...ection L2 Slight curve bend 90 12 x D 5 x D Reduction pipe narrows towards the meas section 15 x D 5 x D Expansion pipe expands towards the meas section 15 x D 5 x D 90 bend or T piece 15 x D 5 x D 2 bends á 90 on one level 20 x D 5 x D 2 bends á 90 3 dimensional change of direction 35 x D 5 x D Shut off valve 45 x D 5 x D 15 x D 5 x D 15 x D 5 x D 15 x D 15 x D 5 x D 20 x D 5 x D 35 x D 5 x D 5 x...

Page 10: ...ow direction arrows must point in the same direction Flow Flow The connecting nut is tightened to a torque of 25 30 Nm Tightness of the connection must be checked and ensured 7 4 Display head Position Fastening screws The Position of the Display head is twistable by 180 e g in case of reverse flow direction For this purpose the 6 fastening screws are to be released and the display head rotated 180...

Page 11: ... 2030 2810 High Speed 130 105 210 350 635 875 1430 2455 3405 Nitrogen N2 Low Speed 25 20 40 70 130 180 295 505 705 Standard 50 40 80 135 240 335 550 945 1305 Max 100 80 160 270 485 670 1100 1885 2610 High Speed 120 100 195 325 590 815 1330 2280 3165 Oxygen f O2 Low Speed 25 20 45 75 135 185 305 525 730 Standard 50 40 80 140 250 345 570 980 1355 Max 100 85 165 280 505 695 1140 1955 2710 High Speed ...

Page 12: ...N 8 13 7 8 5 194 137 176 6 166 3 R 1 4 15 DB51 1 2 DN 15 21 3 16 1 300 210 177 0 166 3 R 1 2 20 DB51 3 4 DN 20 26 9 21 7 475 275 179 8 166 3 R 3 4 20 DB51 1 DN 25 33 7 27 3 475 275 183 2 166 3 R 1 25 DB51 1 1 4 DN 32 42 4 36 0 475 275 187 5 166 3 R 1 1 4 25 DB51 1 1 2 DN 40 48 3 41 9 475 275 190 5 166 3 R 1 1 2 25 DB51 2 DN 50 60 3 53 1 475 275 196 5 166 3 R 2 30 ...

Page 13: ... 8 166 3 95 65 4 x 14 DB51 3 4 DN 20 26 9 21 7 475 275 218 8 166 3 105 75 4 x 14 DB51 1 DN 25 33 7 27 3 475 275 223 8 166 3 115 85 4 x 14 DB51 1 1 4 DN 32 42 4 36 0 475 275 263 3 166 3 140 100 4 x 18 DB51 1 1 2 DN 40 48 3 41 9 475 275 2 40 7 166 3 150 110 4 x 18 DB51 2 DN 50 60 3 53 1 475 275 248 2 166 3 165 125 4 x 18 DB51 2 1 2 DN 65 76 1 68 9 475 275 268 2 175 7 185 145 8 x 18 DB51 3 DN 80 88 9...

Page 14: ...bus RTU A Modbus RTU Modbus RTU B Modbus RTU MBus MBus reverse polarity protected If no connection cable pulse cable is ordered the sensor will be supplied with a M12 connector plug The user can connect the supply and signal cables as indicated in the connection diagram M12 Connector plug View from back side terminal side Connector plug A M12 A coding Connector plug B M12 A coding 3 4 5 1 2 VB VB ...

Page 15: ...e M12 x coded 8 pole M12 x coded to RJ45 Data LINES 1 2 und 3 4 PoE LINES 5 6 und 7 8 2 8 1 3 5 4 6 7 M12 x 1 Connection cable Cat 6 Shield connected Remark VA520 Power Classification acc IEEE 802 3af Class 2 3 84W 6 49W PoE Power over Ethernet Connector plug A Connector plug B M12 X coded 8 pole ...

Page 16: ...Operation DB51 English V1 22 Page 16 of 40 11 Operation Remark Only for version with display Up OK The operation of the DB51 is done by the two capacitive key buttons Up and Enter ...

Page 17: ... pressing key AV Time Period for average value calculation could be changed under Sensor Setup Advanced AV Time HW Version Page No Gas Status Info SW Version Modbus ID 391 23 391 1 minutes 410 34 1 minute 91 32 82 46 After switching on the DB51 the initialized screen is displayed followed by the main menu ...

Page 18: ... voted on included measuring section with corresponding pipe diameter 53 1 mm For changes first select the menu item with key and then confirm it with OK Selection of a menu item or to change a value is done with the key a final move to the chosen menu item or takeover of the value change needs the confirmation by pressing the key OK Factory settings for password at the time of delivery 0000 4 tim...

Page 19: ...on by pressing 2x OK Entering changing the consumption counter via button select the respective position and activate the position with the OK button By pressing the position value is incremented by 1 Complete with OK and activate next number position Confirm entry by pressing OK To make changes to the unit for the respective measurement value first select by pressing the field of the measurement ...

Page 20: ...the operation temperature under reference conditions Setup Sensor Setup Advanced Setup Sensor Setup Advanced Ref Pref Setup Sensor Setup Advanced Ref Temp To make changes first select a menu with button and confirm selection by pressing OK In order to change e g the unit first select by pressing key the field Units and then key OK Select with the key the correct unit and then confirm selection by ...

Page 21: ...rtime Setup Sensor Setup Advanced AV Time Under item Filtertime an attenuation can be defined Input values of 0 10000 in ms are possible The time period for averaging can be entered here Input values of 1440 1 minutes are possible For average values see display window 3 4 ...

Page 22: ...By pressing the position value is incremented by 1 Confirm the input with OK and activate next number position Leave menu with button Back Menüpunkt mit Taste anwählen und anschließend mit Taste OK auswählen With the low flow cut off activated the flow below the defined LowFlow Cut off value will be displayed as 0 m h and not added to the consumption counter For an input change of the value select...

Page 23: ...leased and set the internal DIP Switch to On Alternatively a 120R resistor can be installed in the plug between pin 2 and pin 4 It must be ensured that the connection plugs are still plugged and the gasket is installed correctly see also chapter 4 5 For changes e g the sensor ID first select by pressing key the field ID and then key OK Select the desired position by pressing the and select with OK...

Page 24: ...escription of the Modbus protocol is free to download on www modbus org Supported Modbus commands functions Command Code Description Function Code 3 Read holding register Function code 16 Write multiple registers For more details please see VA 5xx Modbus RTU_TCP Installation V1 04 Settings Network Setup 11 3 2 2 1 Network Setup DHCP Settings Network Setup Settings IP Address Here you can set up an...

Page 25: ...ubnet and Gateway selection keys must be selected and activated with OK The first data field of the selection in this case the IP address is then marked red Confirm with OK the corresponding input menu is opened By means of the next data field is changed Select the desired position with the key and activate it with the OK key Change the values with the key and accept the values with the OK key Pro...

Page 26: ... and then key OK Select the desired position by pressing the and select with OK button Change values by pressing the values takeover by pressing OK Input for the port is done analogue By means of the button Byte Format it is possible to change the data format Word Order Possible formats are ABCD Little Endian and CDAB Middle Endian Saving the changes by pressing Save therefore select it with key a...

Page 27: ...DAB Middle Endian 11 3 2 4 Values Register 1001 1500 Modbus Register Register Address No of Byte Data Type Description Def ault Read Write Unit Comment 1101 1100 4 Float Flow in m h R 1109 1108 4 Float Flow in Nm h R 1117 1116 4 Float Flow in m min R 1125 1124 4 Float Flow in Nm min R 1133 1132 4 Float Flow in ltr h R 1141 1140 4 Float Flow in Nltr h R 1149 1148 4 Float Flow in ltr min R 1157 1156...

Page 28: ...on cf before comma x R 1299 1298 4 UInt32 Consumption Ncf before comma x R 1305 1304 4 UInt32 Consumption kg before comma x R 1311 1310 4 UInt32 Consumption kWh before comma x R 1347 1346 4 Float Velocity m s 1355 1354 4 Float Velocity Nm s 1363 1362 4 Float Velocity Ft min 1371 1370 4 Float Velocity NFt min 1419 1418 4 Float GasTemp C 1427 1426 4 Float GasTemp F Remark For DS400 DS 500 Handheld d...

Page 29: ...layed The galvanically isolated output can be defined as pulse or alarm output Selection of field Relay Mode with key and change modus by pressing key OK For alarm output following units could be chosen kg min cfm ltr s m h m s F C and kg s Value defines the Alarm value Hyst defines the desired hysteresis and with Hi Lim or Lo Lim the alarm settings when the alarm is activated Hi Lim Value over li...

Page 30: ... The required password length is 4 digits Please select with button a figure and confirm it with OK Repeat this 4 times With the last figure could be deleted Password input have to be inserted twice Confirmation of input password by pressing OK Factory settings for password at the time of delivery 0000 4 times zero Currently 4 languages have been implemented and could be selected with button Chang...

Page 31: ...ightness The actual adjusted backlight brightness is showed in the graph Backlight By activation Dimming after and entering a time a display dimming could be set With Rotate Screen the display information could be rotated by 180 By activation of Key Lock the operation of the sensor locked Unlocking the keyboard is only possible by restarting the sensor and calling the operating menu within the fir...

Page 32: ...und Flow to the channel CH 1 To make changes first select the value item with button and confirm Moving between the different measurements values or to deactivate the 4 20mA with setting to unused by pressing OK To the selected measurement value a corresponding appropriate unit needs to be defined Select Unit with and open menu with OK Select required unit with and take over by pressing OK Here e ...

Page 33: ...ribed before for value settings Using CLR clears up the complete settings at once For Auto on the max scaling is calculated based on the inner tube diameter max measurement range and the reference conditions settings Takeover of the inputs with Save and leaving the menu with Back This determines the output in case of an error at the analog output 2 mA Sensor error System error 22 mA Sensor error S...

Page 34: ...Info Settings Info Run Time 2d 21h 23m 12s Vin 23 8V Temp 35 8 92 7 m s 600m h 20 C 53 1 mm 23 C 10 Here you get a brief description of the sensor data incl the calibration data Under Details you are able to see in addition the calibration conditions ...

Page 35: ...values transmitted Value 1 with Unit Consumption m Value 2 with Unit Flow m h Consumption m Value 3 with Unit Gas temperature C All Values could be changed preset in production The Sensor offers two possibilities for coding the Value Information Field VIF Primary VIF The units and multiplier correspond to MBus specification 4 8 chapter 8 4 3 Plain text VIF units are transmitted as ASCCII character...

Page 36: ... the next recalibration is recommended is internally entered When this date is reached a message appears in the display with the status message CAL Note The measurement will continue without interruption or restriction Direction When used in conjunction with a direction switch VA409 the status message Direction is displayed in case of opposite flow direction and no measurement may take place Statu...

Page 37: ... this message Internal Error the sensor has an internal read error on e g EEProm AD converter etc detected Temp out of Range At media temperatures outside the specified temperature range the status message Temp out of Range occurs This temperature overshoot leads to incorrect measurement values outside the sensor specification Low Voltage 4 20mA For sensors with a galvanically isolated 4 20mA outp...

Page 38: ...r for the instrument DB51 On request and additional payment calibration certificates could be issued The precision is given due to use DKD certified flow meters and verifiable 18 Warranty If you have reason for complaint we will of course repair any faults free of charge if it can be proven that they are manufacturing faults The fault should be reported immediately after it has been found and with...

Page 39: ...electronic utilizing calibration curves and process parameters stored in the instrument The 4 to 20 mA signal is routed to secondary evaluation devi ces and provides the flow rate information or temperature An additional pulse output with a pre defined pulse value is used for totalizing purposes Mass flow rate total and Temperature are also displayed on an integrated back lit LCD display Typical a...

Page 40: ... other reference conditions ad justable via key or factory made Adjustable units m h standard m min l min l s ft min cfm m s kg h kg min g s lb min lb h Gas types Air nitrogen argon nitrous oxide CO2 oxygen natural gas Sensor thermal mass flow sensor Operating temperature 30 80 C Operating pressure PN 16 optional PN 40 Power supply 18 36 VDC 5 W Burden 500 Ohm Digital output RS 485 Modbus RTU Anal...

Page 41: ...t section length 10 m inner diameter on site Flange version Measuring section L mm L1 mm H mm H1 mm DN 15 300 210 213 2 165 7 DN 20 475 275 218 2 165 7 DN 25 475 275 223 2 165 7 DN 32 475 275 235 7 165 7 DN 40 475 275 240 7 165 7 DN 50 475 275 248 2 165 7 DN 65 475 275 268 2 175 7 DN 80 475 275 275 7 175 7 Attention Shortened inlet section Please observe the recommended minimum inlet section lengt...

Page 42: ...40 50 2 1195 m h 2 DN 50 65 4 2050 m h DN 65 not with thread 80 7 2840 m h DN 80 not with thread Other special ranges up to 2840 m h on request Medium L Air N Nitrogen A Argon H Helium C Carbon dioxide S Oxygen B Biogas E natural gas Accuracy A 1 5 m v 0 3 f s B 1 m v 0 3 f s Options 0 none HP high pressure up to PN 40 V4A Inlet and outlet pipe made of st steel 1 4571 standard for flange versions ...

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