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User manual - METER PDU-4x0-W

Figure 7.1 Parameters of cylindrical tank in vertical position.

Figure 7.2 Parameters of cylindrical tank in horizontal position.

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t h1

t h2

t h3

t Sh

t Sn

h~I[mA]

t d

t Sh

t d

t h2

t h1

t h3

h~I[mA]

t Sn

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Summary of Contents for PDU-40-W Series

Page 1: ...er Input type 0 4 20 mA 0 1 5V 0 2 10V Wall mounting case IP 65 Read the user s manual carefully before starting to use the unit or software Producer reserves the right to implement changes without pr...

Page 2: ...s LIST type 24 7 3 MENU DESCRIPTION 25 7 3 1 rEL1 menu 25 7 3 2 inPt menu 27 7 3 3 OutP menu 32 7 3 4 bri parameter 34 7 3 5 HOLd menu 34 7 3 6 SECu menu 34 7 3 7 rS menu 35 7 3 8 Edit parameter 36 7...

Page 3: ...e device is equipped with PE connector it should be connected to PE wire Otherwise PE wire should be connected to GND connector The unit must be properly set up according to the application Incorrect...

Page 4: ...izontal position Result is showed on 4 digit LED display Displayed values range can be selected by user from 999 to 9999 plus decimal point Depending on version the device can be equipped with two rel...

Page 5: ...Us 9 5 36V load resistance 0 Us 9 5V 24mA k resolution 12bits isolation strength 560V DC 24V 5 10 max 100 mA stabilized Communication interface RS 485 8N1 and 8N2 Modbus RTU not separated Baud rate 1...

Page 6: ...t must be conducted correctly and according to the local regulations Read the basic safety requirements on page 3 prior to starting the installation Ensure that the power supply network voltage corres...

Page 7: ...out fuse with a small nominal current value must be used recommended bipolar max 2A and a power supply circuit breaker located near the unit In the case of using a monopolar fuse it must be mounted on...

Page 8: ...ogether with power supply cables and cables controlling inductive loads e g contactors Such cables should cross at a right angle Contactor coils and inductive loads should be equipped with interferenc...

Page 9: ...connecting cables to the clamping connectors All connections must be made while power supply is disconnected Figure 4 4 Terminals description relay outputs 9 Uo n c R1 R2 GND 0 1 5V 0 2 10V 0 4 20mA...

Page 10: ...ted current output 4 20mA option Power supply depending on version Uo n c GND 0 1 5V 0 2 10V 0 4 20mA GND GND DATA 15 16 17 12 11 10 9 8 7 13 14 1 2 3 4 5 6 DATA RS 485 24V 5 10 Imax 100 mA PE n c OC1...

Page 11: ...4 9 Connection of 3 wire current converters Figure 4 10 Connection of voltage converters 11 13 12 11 10 9 8 7 24V DC 13 12 11 10 9 8 7 internally connected 13 12 11 10 9 8 7 24V DC 13 12 11 10 9 8 7...

Page 12: ...tromagnets motors etc it is required to use additional suppression circuit typically capacitor 47nF min 250VAC in series with 100R 5W resistor connected in parallel to relay terminals or better direct...

Page 13: ...le of current output connection using internal power supply Figure 4 15 Example of current output connection using external power supply 13 Uo OC1 Logic controller voltage input 24 V 8 7 6 5 Uo OC1 8...

Page 14: ...nic separation of RS 485 interface is made then RS 485 interface separators must to be used certainly Figure 4 16 4 18 If RS 485 interfaces are isolated or not used then the separators are not necessa...

Page 15: ...Used symbols are described below US min minimal sensor supply voltage given in technical data of sensor Ug voltage drop on galvanic separator input constant for 4 20 mA range of current Imax 20 mA ma...

Page 16: ...water with small amount of detergent or in the case of more significant contamination ethyl or isopropyl alcohol Using any other agents can cause permanent damage to the housing Product marked with th...

Page 17: ...eristic are displayed on the LED display The measurement range equal to the nominal range is called nominal measurement range and the measurement range equal to the extended nominal range is called pe...

Page 18: ...can be remote changed via RS 485 interface Configuration of the device via menu or RS 485 interface does not stop measures 6 2 DETECTION OF THE PEAK VALUES The PDU 4x0 W controller is equipped with p...

Page 19: ...f parameters SEtP SEt2 HYSt modE t on toFF unit and AL Depend on modE parameter relays can be not used or controlled over one or two thresholds values If one threshold is used Figure 6 4 the relay can...

Page 20: ...ays state changes moments for t on 0 toFF 0 tA tB tC tD time periods while input signal is in zone A or zone B Figure 6 6 Principle of LED relay output operation for one threshold mode 20 SEtP paramet...

Page 21: ...t least t on see points BON DON Figure 6 6 a d e Similarly the relay will be turned off if time toFF elapse since the input signal value exceeds any of the border values see points BOFF DOFF Figure 6...

Page 22: ...ng process the relay output changes his state depends of both SEtP and SEt2 thresholds in similar way as it was described in one threshold mode If two threshold mode is used modE parameter defines sta...

Page 23: ...be checked or user can switch viewed parameter pressing or v button 7 1 PROGRAMMING MENU To enter main menu being in the measurement mode operator must to press and hold at least 2 sec ESC MENU butto...

Page 24: ...reasing button v can be used If v is pressed shortly and button is still pressed increasing slow down for a moment only if v is pressed and held while button is still pressed the increasing slow down...

Page 25: ...d else warning Err and unit returns to measurement mode Due to problem with direct displaying of m and K letters they are exchanged with special signs for m and for K respectively However in user manu...

Page 26: ...lower than SEtP HYSt in two threshold mode the relay is turned ON when the input signal is bigger than lower threshold HYSt and lower than bigger threshold HYSt and turned off when the input signal i...

Page 27: ...tical situation means communication delay when no data is received longer than mbtO parameter see description rS menu If option noCH is selected for AL parameter behaviour of the relay may depend on F...

Page 28: ...s changed by v buttons Lo C Hi C These parameters describe the values displayed for minimum and maximum input signal value for selected input type For example if input type is set to 4 20 mA Lo C para...

Page 29: ...s 100 fold less than the unit value of other parameters defining cylindrical tank i e if we set value 10 00 in t Sh parameter and set value 08 00 in t Sn parameter this mean that value of t Sn paramet...

Page 30: ...ER PDU 4x0 W Figure 7 1 Parameters of cylindrical tank in vertical position Figure 7 2 Parameters of cylindrical tank in horizontal position 30 t h1 t h2 t h3 t Sh t Sn h I mA t d t Sh t d t h2 t h1 t...

Page 31: ...pprox 1 5 sec After that device waits for selection of point being deleted by v buttons The short pressing of ENTER button causes by switching between X and Y value of the displayed point The long pre...

Page 32: ...e DISPLAY VALUES CALCULATION paragraph the procedure of the permissible input range determining is presented in details If the measurement value does not exceed permissible measurement range but displ...

Page 33: ...al current range 4 20 mA with 0 1 resolution Parameter Lo r defines lower border of the range due to formula Imin 4 mA 4 mA Lo r This parameter can be set from 0 to 29 9 Parameter Hi r defines lower b...

Page 34: ...ge classified as peak or drop see Figure 6 3 timE maximum time of displaying of the peak drop value can be set from 0 0 to 19 9 sec with 0 1 sec resolution If HdiS HOLD then setting parameter timE 0 0...

Page 35: ...his parameter sets the access to the configuration registers of the device Possible values on configuration registers can be set via RS 485 interface oFF configuration registers can not be set via RS...

Page 36: ...ange the edition mode of numerical parameters dig the change to by digit mode Slid slide change mode 7 3 9 dEFS parameter This setting allows to restore the factory settings of the device To get the a...

Page 37: ...NU ESC inPt ENTER MENU ESC ENTER ENTER MENU ESC tYPE CHAr FiLt Pnt Lo C Hi C AddP dELP Parameter edition EdtP Lo r Hi r ENTER MENU ESC ENTER ENTER MENU ESC SEtP SEt2 HYSt modE t on toFF unit AL Parame...

Page 38: ...ter edition ENTER MENU ESC ENTER ENTER MENU ESC Addr bAud mbAc mbtO rESP Parameter edition ENTER MENU ESC ENTER ENTER MENU ESC Scod A r1 A r2 See previous page ENTER MENU ESC ENTER ENTER MENU ESC modE...

Page 39: ...and units The first step to compute the result of measure is the calculation of the normalized result it means result of 0 1 range To do it the begin of the input range 0 mA for 0 20mA range and 4mA...

Page 40: ...er In such a case for an increasing value of input current the displayed value decreases Figure 10 1 Normal Lo C Hi C and inverted Lo C Hi C characteristic 10 1 2 Square characteristic The normalized...

Page 41: ...the normalized result In the device computes specific segment e g for characteristic from figure below and In 0 65 the segment between points X 50 0 and X 70 0 will be chosen Let s mark those points a...

Page 42: ...put value equal 1 displays value t Sh t Sn Figure 10 5 The linear scaling can be expressed as follow h In t Sh t Sn where h is level of liquids gases or solids in the tank see Figure 7 1 7 2 Figure 10...

Page 43: ...0 0 then permissible input currents range will be equal 3 2 mA 22 mA Lower border of the range is the result of calculations 4 mA 4 mA 20 and the higher 20 mA 20 mA 10 Example 2 The normalized In resu...

Page 44: ...ifferent input currents from example 2 a Iin 10 mA and In 0 375 Accordingly to expression on page 40 for square characteristic 0 375 2 1200 300 211 and next the Lo C value is added to the result so th...

Page 45: ...and Ip 0 3 the displayed value W In I p Y PH Y PL X PH X PL 100 Y PL 0 375 0 3 80 30 40 30 100 30 67 b Iin 2 5 mA and In 0 0938 because of the normalized In value is lower than 0 the segment defined b...

Page 46: ...of the cylinder located in horizontal position The tank has dimension height in first part is 2m height in second part is 8 05m diameter 3 26m and length of the sensor 10m The output of signal of the...

Page 47: ...e 33 Iout 17 5 10 0 20 0 10 0 16 mA 4 mA 0 75 16 4 16 mA Calculated Iout does not exceed the output working range 3 8 21 mA b D 20 5 According to formula from page 33 Iout 20 5 10 0 20 0 10 0 16 mA 4...

Page 48: ...03h Yes 0 3 Pnt parameter in InPt menu decimal point position 0 0 1 0 0 2 0 00 3 0 000 04h Yes see descr State of the relays and alarm LED binary format 1 on 0 off 00000000 000e00ba a relay R1 b rela...

Page 49: ...inary format 0 oFF 1 on bit 0 A r1 parameter bit 1 A r2 parameter 25h Yes 0 5 rESP parameter in rS menu additional response delay 0 no additional delay 1 10c option 2 20c option 3 50c option 4 100c op...

Page 50: ...n HOLd menu minimum detectable change no decimal point included 52h Yes 0 199 timE parameter in HOLd menu maximum peaks or drops display time expressed in seconds 53h Yes 0 1 HdiS parameter in HOLd me...

Page 51: ...particular point is not defined if X coordinate of this point is equal 8000h After writing both X and Y coordinate the point is defined and used in calculation of result The coordinates of any point...

Page 52: ...The answer if an error occur ADDR FUNC ERROR CRC L H 01 83 60 41 18 ERROR error code 60h bottom border of the measurement range is exceeded 2 Read of device ID code ADDR FUNC REG H L COUNT H L CRC L...

Page 53: ...ple of reading a number of registries in one frame ADDR FUNC REG H L COUNT H L CRC L H 01 03 00 01 00 03 54 0B COUNT L the count of being read registers max 16 The answer ADDR FUNC BYTE C DATA H1 L1 D...

Page 54: ...E Operation mode of relay R2 on 26 t on Turn on delay of relay R2 0 0 26 toFF Turn off delay of relay R2 0 0 27 unit Unit of t on toFF parameters of relay R2 SEC 27 AL Reaction for critical situation...

Page 55: ...inimum detected change 0 0 34 timE Maximum time of peak displaying 0 0 34 HdiS The type of displayed value HOLd 34 H r1 Source of relay R1 and LED R1 control rEAL 34 H r2 Source of relay R2 and LED R2...

Page 56: ...Dinel s r o U Tescomy 249 760 01 Zl n esk Republika tel 420 577 002 001 fax 420 577 002 007 http www dinel cz e mail obchod dinel cz...

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