background image

programmable

 

display

 

unit

  

pdu–420–W

Read carefully the instructions published in this manual before the first use of the level meter. Keep the manual

at a safe place. The manufacturer reserves the right to implement changes without prior notice.

INSTRUCTION MANUAL

Summary of Contents for PDU-420-W

Page 1: ...20 W Read carefully the instructions published in this manual before the first use of the level meter Keep the manual at a safe place The manufacturer reserves the right to implement changes without p...

Page 2: ......

Page 3: ...puts 28 8 5 Menu structure 32 8 6 Over current protection 34 9 Displayed values calculation 34 9 1 Additional calculations used conversion characteristic 34 9 2 Examples of calculations 37 10 Function...

Page 4: ...o change presets without open ing the cover an IR sensor is mounted Remote controller keyboard is equivalent to the device keyboard Note that remote controller is not a part of the PDU 4x0 W set it is...

Page 5: ...2 limits wall mounted unit Power sup ply 24 V interface RS 485 Modbus RTU Optional accessories infra red remote controller RCW 1 PDU 420 W 230V 2 independent relay outputs 2 limits wall mounted unit...

Page 6: ...upply Protecting the power supply connections against unauthorized persons must be taken into consideration The unit is designed for mounting inside housings control panel switchboard insuring appropr...

Page 7: ...eration of the unit must be applied To avoid the unit of improper indications keep recommendations listed below Avoid running signal cables and transmission cables together with power supply cables an...

Page 8: ...V 9 2 N 230 24V 10 IN voltage 3 RE 2 11 IN current 4 RE 2 12 GND 5 RE 1 13 6 RE 1 14 A RS 485 7 US 15 B RS 485 8 US 16 GND RS 485 16 14 15 6 5 13 11 10 9 12 8 7 4 3 2 1 GND B A RS 485 PE n c 0 20 mA 4...

Page 9: ...f a short circuit of the cable from the side of the unit the cable shall be protected against destruction with an electrical installation fuse Note In case of measurement evaluation of the values from...

Page 10: ...rnal power source Fig 6 Connection diagram level meter with voltage output to PDU unit using external power source Fig 7 Connection of the unit to the level meters with current output located in explo...

Page 11: ...35_ _ V _ U _ _ _ _ _ HLM 25C HLM 25S all types GRLM 70 GRLM 70_ _ _ _ M GRLM 70_ _ _ _ I ULM 70 ULM 70_ _ _ _ M ULM 70_ _ _ _ I CLM 40 CLM 40N 40 _ CAN CLM 40N 40 _ I U Legend RD red BU blue BK brown...

Page 12: ...an by means of galvanic inductive and capacitive coupling incl radiation spread outside the circuit and moreover through the supply line and grounding system also interferes with other electronic equi...

Page 13: ...r being edited Symbol used in the manual Functions Change of the present menu Modification of the parameter value Change of the display mode 8 1 Front panel description Symbols and functions of push b...

Page 14: ...ENTER button at lest 2 sec causes of display a SEt ask which allow user to make sure if change of the parameter value is correct If switch parameter is being edited a short press of ENTER button cause...

Page 15: ...00 65 00 15 65 hl where the decimal point po sition is set to 0 00 If the measurement value do not exceeds permissible measurement range but displayed value exceeds range 999 9999 the warning Ov is di...

Page 16: ...the relay is not active permanent turned OFF on one threshold mode the relay is turned ON when input signal exceeds SEtP HYSt value and is turned off back when the input signal became lower than SEtP...

Page 17: ...hat the measuring range of the PDU unit is set to range 0 100 i e 4 mA corre sponds to 0 0 and 20 mA corresponds to 100 0 The requirement is to activate the relay if the displayed value exceeds 75 0 a...

Page 18: ...h1 t h2 t h3 t d t Sn t Sh in InPt menu see below for details of the parameters Note Parameters t h1 t h2 t h3 td t Sn t Sh are available only when one of volume characteristics is selected Ifvolumech...

Page 19: ...of X coordinate If user trays to do it Err warning is displayed To modify any defined point use EdtP option To distinguish X and Y coordinates if X coordinate is displayed an additional decimal point...

Page 20: ...xed precision 2 decimal point t h2 the height of the middle part of a tank in the cylindrical shape this parameter has the fixed precision 2 decimal point t h3 the height of the top part of a tank in...

Page 21: ...4 Volume characteristics parameters of a cylindrical tank where the level is measured using ultrasonic level meter possible see parameter Menu inPt Pnt If in the volume characteristics of a cylindrica...

Page 22: ...olume characteristics parameters of a cylindrical tank where the level is measured using capacitive level meter Fig 16 Volume characteristics parameters of a cylindrical tank where the level is measur...

Page 23: ...l situation occurs The parameter can be set to one of the values noCH current will not change 22 1 current will be set to 22 1 mA 3 4 current will be set to 3 4 mA 0 0 current will be set to 0 mA When...

Page 24: ...regard to the value at least equal to the PEA parameter The detected peak values are shown on display over time defined by the timE parameter If a new peak value is detected the value is automaticall...

Page 25: ...rd is turned off If the user do not remember his password the access to the menu is possible by the one use password To get this password please contact with Marketing Division Single use password can...

Page 26: ...not be set via RS 485 interface mbtO this parameter defines maximal time sec between following frames received by the device If the delay will be greater than the value of mbtO parameter the relays an...

Page 27: ...ice displays acknowledge question SEt Press ENTER to acknowledge the restoring of factory settings or ESC to cancel Menu Edit This parameter allows to change the edition mode of numerical parameters d...

Page 28: ...signal is contained in zone A modE in or zone B modE out and turned off if the signal is contained in the second one Fig 18 Two threshold control of the relay LED outputs One threshold mode Figure 19...

Page 29: ...d in zone A Figure 19 a The parameter AL allow user to set the relay output behaviour in critical situations e g Input values exceeds permissible measurement range User can select that the relays will...

Page 30: ...t is contained in the second one Figure 20 If the power supply is interrupted the device does not remember the status of relays selected using the RS 485 interface Description A B C D points where mea...

Page 31: ...critical situation means communication delay when no data is received longer than mbtO parameter see description rS menu If parameter AL on the relay will be turned on in the critical situations even...

Page 32: ...u structure Measurement mode Press and hold at least 2 seconds Parameter edition Parameter edition Parameter edition Parameter edition Parameter edition back back back back 4 digit user password enter...

Page 33: ...33 Dinel s r o PDU 4xx W Parameter edition Parameter edition 4 digit special password entering Default settings Parameter edition Parameter edition back back back back back...

Page 34: ...he protection circuit will turn on automatically and the device will measure the input current again Due to thermal phenomenon in the standard resistor precision of the measurement may be lower until...

Page 35: ...tic Conversion is made accordingly with the expression where W means the displayed value Showed above expression is not valid when normalized result is negative It is possible for 4 20 mode only In th...

Page 36: ...t between points X 50 0 and X 70 0 will be chosen Let s mark those points as PL point low i PH point high in this example PL 50 0 and PH 70 0 and the normalized result In for the point PL as Ip in thi...

Page 37: ...The linear characteristic Let the input mode 4 20 mA and parameters Lo C and Hi C equal to 300 and 1200 respectively The calculations will be done for three different input currents from example 2 a I...

Page 38: ...r defined characteristic Let the input mode 4 20 mA and the user selected the 10 segment characteristic To do this it is necessary to enter X and Y coordinates of 11 points see Menu inPt The calculati...

Page 39: ...ormalized In value is higher than 1 the segment defined by X10 and X11 will be selected and X10 PL 90 Y10 PL 900 X11 PH 100 Y11 PH 820 and Ip 0 9 for these values the displayed value W 795 Hi C Lo C L...

Page 40: ...version optional for an extra charge see the Accessories Catalogue List Infrared remote controller RCW 1 for PDU 420 W type only 13 Accessories LED control colour function AL red lit input current vo...

Page 41: ...ponsibleforanydamagescausedbyimproperinstallation operation of the device in unsuitable technical conditions or in contradiction with its purpose of use The unit should be installed by qualified perso...

Page 42: ...ranty In the event of justified complaint we repair the defective product or replace Data on the plate of the unit of PDU 420 W 17 Marking of labels The manufacturer s mark logo Dinel Contact Dinel s...

Page 43: ...99 9999 plus decimal point Voltage measurement accuracy 0 25 one digit over the entire measuring range Display 4 digit seven segment LED red Outputs relay 2 relay 1A 250V AC Sensor power supply output...

Page 44: ...R2 on 17 t on Turn on delay of relay R2 0 0 32 toFF Turn off delay of relay R2 0 0 32 unit Unit of t on toFF parameters of relay R2 SEC 32 AL Reaction for critical situation of relay R2 OFF 32 Config...

Page 45: ...um time of peak displaying 0 0 HdiS The type of displayed value HOLd H r1 Source of relay R1 and LED R1 control rEAL H r2 Source of relay R2 and LED R2 control rEAL HOUt Source of current output contr...

Page 46: ...m headquarters is also possible When taking over please make sure that the consignment is complete and corresponds to the extent of the order and that no damage occurred to the equipment when transpor...

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Page 48: ...Dinel s r o U Tescomy 249 760 01 Zl n Czech republic tel 420 577 002 003 e mail sale dinel cz www dinel cz The lastest version of this instruction manual can be found at www dinel cz Version 06 2019...

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