Dinel PDU–420–W Instruction Manual
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Dinel PDU–420–W Instruction Manual

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INSTRUCTION MANUAL
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.

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Summary of Contents for Dinel PDU–420–W

  • Page 1 INSTRUCTION MANUAL 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.

  • Page 3: Table Of Contents

    CONTENTS 1  .   Basic description  ........................4 2  .   Range of application ........................ 5 3  .   Variants of units ........................5 4  .   Dimensional drawings ......................5 5  .   Installation and putting into operation ..................5 6  .   Mechanical mounting ....................... 6   6.1. Terminal description  ......................8 7  .   Electrical connection ........................ 9 8. ...

  • Page 4: Basic Description

    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 relay outputs, two OC type outputs,  one relay and one passive isolated current output or one OC type and one passive isolated cur- rent output. Device PDU-4x0-W is equipped with RS-485 / Modbus RTU communication interface  and sensor supply output. The meter can be ordered in two power supply versions.  The device has 4 buttons being used for main presets programming. To get high protection level,  the keyboard is mounted under transparent cover. To allow user to 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  an  additional  equipment).  PDU–4xx–W © Dinel, s.r.o.

  • Page 5: Range Of Application

    2 independent relay outputs (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. Power sup- ply 230 V, interface RS–485 / Modbus RTU. Optional accessories – infra- red remote controller RCW–1. 4.  Dimensional drawings 5 .  Installation and putting into operation Please follow next 3 steps: •  Mechanical mounting - see chapter 6 •  Electrical connection - see chapter 7 •  Settings - see chapter 8 © Dinel, s.r.o. PDU–4xx–W...

  • Page 6: Mechanical Mounting

    Disconnect the power supply prior to starting assembly. Check the connections are wired correctly prior to switching the unit on. Fig. 1: Method of connecting cables to the clamping connectors PDU–4xx–W © Dinel, s.r.o.
  • Page 7 To avoid the unit of improper indications keep recommendations listed below. •  Avoid running signal cables and transmission cables together with power supply cables and ca- bles controlling inductive loads (e.g. contactors). Such cables should cross at a right angle. •  Contactor coils and inductive loads should be equipped with interference protection systems, e.g.  RC-type. •  Use of screened signal cables is recommended. Signal cable screens should be connected to the  earthing only at one of the ends of the screened cable. •  In the case of magnetically induced interference the use of twisted pair of signal cables is recom- mended. Twisted pair (best if shielded) must be used with RS-485 serial transmission connec- tions. •  In the case of measurement or control signals are longer than 30m or go outside of the building  then additional safety circuits are required. •  In the case of interference from the power supply side the use of appropriate interference filters  is recommended. Bear in mind that the connection between the filter and the unit should be as  short as possible and the metal housing of the filter must be connected to the earth with the larg- est possible surface. The cables connected to the filter output must not be run with cables with  interference (e.g. circuits controlling relays or contactors). © Dinel, s.r.o. PDU–4xx–W...

  • Page 8: Terminal Description

    + US B - (RS 485) + US GND (RS 485) AC/DC 50/60 Hz 0/1-5 V 4.5 VA 0/2-10 V RS 485 Imax. 100 mA 85-260 V + 24 V 0-20 mA 4-20 mA + Uo - 11 10 9 Fig. 2: Terminal description PDU–4xx–W © Dinel, s.r.o.

  • Page 9: Electrical Connection

    Connection of the sensors with shielded cable internal connection Fig. 3: Connection diagram - level meter with current output to PDU unit, using internal power source Fig. 4: Connection diagram - level meter with current output to PDU unit, using external power source © Dinel, s.r.o. PDU–4xx–W...
  • Page 10 Fig. 5: Connection diagram - level meter with voltage output to PDU unit, using internal power source Fig. 6: Connection diagram - level meter with voltage output to PDU unit, using external power source Connection diagram is the same for all types of level meters with current or voltage outputs. Explosive areas Connection of the sensors without shielded cable Level meter with current  Isolating repeater  output (e.g. ULM–53Xi,  (IRU–420–I) CLM–36Xi) Fig. 7: Connection of the unit to the level meters with current output located in explosive areas PDU–4xx–W © Dinel, s.r.o.
  • Page 11 RD  –  red BK  –  brown BU  –  blue BN  –  black Table Sensor With shielded cable Without shielded cable HLM–35_–_ K- _- I- _- _ _ _ _ HLM–35_–_ V- _- I- _- _ _ _ _  HLM-35 HLM–35_–_ K- _- U- _- _ _ _ _ HLM–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) © Dinel, s.r.o. PDU–4xx–W...
  • Page 12 RC element. fuse fuse Fig. 10: Connection examples used to suppress the interference resulting from disconnection of inductive load a) RC element on relay contacts b) RC element on inductive load PDU–4xx–W © Dinel, s.r.o.

  • Page 13: Settings

    Alarm signal (signal lamp AL) indicates the status when the input current is beyond the permitted range. Symbols and functions of push-buttons: Symbol used in the manual: [ESC/MENU] Functions:  •  Enter to main menu ( press and hold by at least 2 sec.) •  Exit the current level and Enter to previous menu (or measure mode) •  Cancel the changes made in parameter being edited Symbol used in the manual: [ENTER] Functions:  •  Start to edit the parameter •  Enter to the sub-menu, •  Confirmation of changes made in parameter being edited Symbol used in the manual: [<] [>] Functions : •  Change of the present menu, •  Modification of the parameter value, •  Change of the display mode. © Dinel, s.r.o. PDU–4xx–W...

  • Page 14: Basic Settings

    • Type of the input / sensor "tYPE" This parameter can be set to values: 0-20, 4-20 - current inputs. 0-10, 2-10, 0-5, 1-5 - voltage inputs. • Filtration rate "FiLt" If the parameter Filtration is set to maximum values and the input current of the level meter  is dropping (rising), the resulting measurement value will change slowly. It can be set to values from 0 (no filtration ) to 5. 0 = no filtration (OFF) 5 = maximal filtration PDU–4xx–W © Dinel, s.r.o.
  • Page 15 Measuring range (4-20 mA) extended measuring range display message display message If the measurement value do not exceeds permissible measurement range but displayed value exceeds range -999 ÷ 9999, the warning ″-Ov-″ is displayed rather than the calculated result. © Dinel, s.r.o. PDU–4xx–W...
  • Page 16 + HYSt” and lower than “bigger threshold – HYSt”,  and turned off when the input signal is contained in the second zone. The big- ger threshold means bigger one of “SEtP” and “SEt2” thresholds, the lower threshold means lower one of “SEtP” and “SEt2” thresholds. "out"    -  two threshold mode, relay is turned ON when the input value is bigger than  “bigger threshold + HYSt” and lower than “lower threshold – HYSt”, and  turned  on  when  the  input  signal  is  contained  in  the  second  zone.  The  big- ger threshold means bigger one of “SEtP” and “SEt2” thresholds, the lower  threshold means lower one of “SEtP” and “SEt2” thresholds. "modb"  - the relay is controlled via RS-485 interface, independently on the input signal. PDU–4xx–W © Dinel, s.r.o.
  • Page 17 ]” is pushed, the display toggles among ”rEL1” to ”rEL4” and their actual set values. If free access is allowed (see menu ”SECu”), the user can change the threshold values by pressing the [ENTER] button. The process is the same as when editing the menu. © Dinel, s.r.o. PDU–4xx–W...

  • Page 18: Extended Setup

    = ”tn h”) the parameters „Lo C” and „Hi C” are not available. If user defined characteristic is selected, and if number of defined points is lower than 2 then warning ”Errc” is displayed in measurement mode. • "AddP" This menu allow user to add single point to the user defined characteristic. After selection  of this option device waits for „X” and „Y” coordinates of new point. Modification of the co- ordinates is done accordingly to numerical parameters edition. Coordinate „X” defines the  percentage ratio of input current to selected current range. The „X” range: -99,9 ÷ 199,9. Co- ordinate „Y” defines displayed value for particular „X” value. The „Y” value can be changed  in range: -999 ÷ 9999, decimal point position depend on „Pnt” parameter (menu ”inPt ”). PDU–4xx–W © Dinel, s.r.o.
  • Page 19 [v]  buttons). The  short  pressing  of  [ENTER]  button  causes  by  switching  between  X  and  Y value of the displayed point. The long press (press and hold at least 2 sec) of [ENTER]  button causes by entering to edit the selected coordinate of the point. Modification of the  coordinates is done accordingly to numerical parameters edition. “AddP”, ”dELP” and “EdtP” options are available only if the user defined characteristic is used (it means when parameter “CHAr” = ”USEr”). © Dinel, s.r.o. PDU–4xx–W...
  • Page 20 If the measurement value do not exceeds permissible measurement range but displayed value exceeds range of 9999 than you can move to the right position of the decimal point if it is still PDU–4xx–W © Dinel, s.r.o.
  • Page 21 Fig. 13: Volume characteristics parameters of a cylindrical tank, where the level is measured using guided wave radar level meter Fig. 14: Volume characteristics parameters of a cylindrical tank, where the level is measured using ultrasonic level meter © Dinel, s.r.o. PDU–4xx–W...
  • Page 22 Fig. 15: Volume 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 measured using hydrostatic level meter PDU–4xx–W © Dinel, s.r.o.
  • Page 23 • "AL" this parameter determines the behaviour of current output if any critical 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 the critical situation goes, the current will be set to value calculated due to formulas  given above. © Dinel, s.r.o. PDU–4xx–W...
  • Page 24 Parameter "bri" This parameter allows user to set bright of the LED display, bright can be set to conventional values  from 1 to 8. Menu "HOLd" The unit is equipped with peak detection function. It is able to detect the peaks in the input signal  and display the values in the display. This is set up in the  ”HOLd” menu. Detection of peak values  is enabled when the measured signal is rising or dropping with 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 automatically displayed. The time  counter shown in the display is erased. However, if no peak is detected before the ”timE” expires,  the device once again shows the current values of the input signal.  Relays/LED indicators and current output may be controlled depending on the value of the input  signal current or peak value (see the ”HOLd” menu). • "modE" the type of detected changes of the input signal, can be set to values: "norm"  peaks, peak and next drop of the input signal of value equal at least “PEA” "inv"  drops, drop and next peak of the input signal of value equal at least “PEA” • "PEA" minimal detected signal change classified as peak or drop. • "timE" maximum time of displaying of the peak (drop) value, can be set from 0.0 to 19.9 sec, with  0.1 sec.  • "HdiS" type of displayed values: "rEAL"  current value is displayed "HOLd"  peak (drop) value is displayed PDU–4xx–W © Dinel, s.r.o.
  • Page 25 Entering this password causes in clearing of user password, it means sets the user password to „0000”. • "A r1 - A r2" this option permits user (”on”) or prohibits (”oFF”) to modify the thresholds of the relays/ LEDs R1 ÷ R2 without knowledge about user password. Menu "rS" This menu is connected with RS-485 interface. © Dinel, s.r.o. PDU–4xx–W...
  • Page 26 The access to registers no 04h i 05h cant be denied by ”mbAc” parameter (see: LIST OF REGISTERS). • „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 and the current  output which are controlled via RS-485 interface, will set to alert state (see "OUtP" menu,  “rEL1” menu description). Parameter “mbtO” can be set to values from 0 to 99 seconds.  The value 0 means that the time will be not controlled. • „rESP“ this parameter defines minimal (additional) delay between the Modbus message and the  answer of the device (received and sent via RS-485 interface). This additional delay allows  the  device  to  work  with  poor  RS-converters  which  do  not  works  properly  on  baud  rates  higher than 19200. This parameter can be set to one of values: PDU–4xx–W © Dinel, s.r.o.
  • Page 27 “ 50c” Menu "Edit" This parameter allows to change the edition mode of numerical parameters: • "dig the change to “by digit” mode. • "Slid" slide change mode. Parameter "dEFS" This  setting  allows  to  restore  the  factory  settings  of  the  device. To  get  the  access  to  this  option  special password is required: „5465”, next the device displays acknowledge question „SEt?”. Press  [ENTER] to acknowledge the restoring of factory settings or [ESC] to cancel. password basic settings back Menu "SErv" This menu contains the parameters for authorized service only. To enter this menu proper service  password must be entered. Improper settings can causes of damage of the device. © Dinel, s.r.o. PDU–4xx–W...

  • Page 28: Control Of The Relay Outputs

    A (“modE” = ”in”) or zone B (“modE” = ”out”) and turned off if the signal is  contained in the second one. state of  relay / LED "SEtP" or "SEt2" parameter zone B zone A zone B measure "HYSt" parameter Fig. 18: Two threshold control of the relay/LED outputs One threshold mode Figure 19 presents the principle of relay outputs operation for one threshold mode, and an example  values of other parameters. Parameter “SEtP” sets a threshold of the relay, and parameter “HYSt” sets a hysteresis of the relay  (Figure 19 a). The relay can change his state only when input value exceeds (over or under) border  value and tA ,tB ,tC ,tD times (Figure 19) are bigger than the time defined by parameters “t on”,  “toFF” and “unit”. Border values means values equal threshold+hysteresis and threshold-hysteresis  respectively. If “t on” and “toFF” parameters are set to “0”, then the relay state will be changed as soon as input  value exceeds any of the border values (see points A a C, Fig. 19 a, b, c). PDU–4xx–W © Dinel, s.r.o.
  • Page 29 (expected value ± allowed deviation)    relays 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 © Dinel, s.r.o. PDU–4xx–W...
  • Page 30 , tB , tC , tD time periods while input signal is in zone A or zone B If the power supply is interrupted, the device does not remember the status of relays selected using the RS 485 interface. PDU–4xx–W © Dinel, s.r.o.
  • Page 31 If  parameter  “modE”  is  set  to  “modb”,  the  “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 if his parameter “modE” = ”noAC”. © Dinel, s.r.o. PDU–4xx–W...

  • Page 32: Menu Structure

    8.5. Menu structure Measurement mode Press and hold at least 2 seconds 4-digit user password entering (if it is different from „0000”) Parameter edition back Parameter  edition back Parameter  edition back Parameter  edition Parameter  edition back PDU–4xx–W © Dinel, s.r.o.
  • Page 33 Parameter  edition Parameter  edition back back Parameter  edition Parameter  edition back back 4-digit special  password entering Default settings back © Dinel, s.r.o. PDU–4xx–W...

  • Page 34: Over-Current Protection

    The value of the “Lo C” parameter can be higher than the value of “Hi C” parameter. In such a case, for an increasing value of input current the displayed value decreases. "Hi C" Lo C" Lo C" × ( ) + " ���� = √ ���� − " ���� PDU–4xx–W © Dinel, s.r.o.
  • Page 35 × 100 + ���� ( �������� ) [ ���� ( �������� ) − ���� ( �������� )] ���� ���� [ 80 − 30 ] = ( 0,375 − 0,3 ) × × 100 + 30 ≅ 67 [ 40 − 30 ] © Dinel, s.r.o. PDU–4xx–W...
  • Page 36 Fig.. 23 Normal („Lo C” < ”Hi C) and inverted („Lo C” > ”Hi C) characteristic User defined characteristic  User defined characteristic is defined as set of X-Y points. Number of the points is variable and may  be set from 2 to 20 points which make linear segments (see graph and see Menu ”inPt”). Normalized measurement In (for 0-20 mA range) 5-elements characteristic Input current [mA] Figure 24: Example of user defined characteristic Due to 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 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 this example Ip = In(PL) = 0,5). The  displayed result is calculated accordingly to the expression: PDU–4xx–W © Dinel, s.r.o.

  • Page 37: Examples Of Calculations

    In  case  when  input  current  exceeds  nominal  measurement  range,  calculations  are  similar.  For  example if input current is equal 2,5 mA then I  = (2,5 - 4)/16 @ -0,0938, and if input current is equal  20,5 mA then I  = (20,5 - 4)/16 @ 1,0313. Example 3: 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  =10 mA a I  = 0,375   Accordingly to expression on page 38 for linear characteristic:     0 ,375 × [1200 -(- 300)] ≈ 562 and next, the “Lo C” value is added to the result , so the  displayed value:   W ≈ 562 + (-300) = 262   b). I  = 2,5 mA a I  = -0,0938   W ≈ -441   c). I  = 20,5 mA a I  = 1,0313   W ≈ 1247 Example 4: The square 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 there different input currents from example 2. © Dinel, s.r.o. PDU–4xx–W...
  • Page 38 W ≈ 919 + (-300) = 619   b).   I  = 2,5 mA a I  = -0,0938, normalized result is negative , so the displayed value is equal  to “Lo C” parameter: W ≈ “Lo C” = -300.   c). I  = 20,5 mA a I  = 1,0313   W ≈ 1223 Example 6: The user 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 calculations will be  done for three different input currents from example 2, so in calculations some of the segments will  be used only. Let the following points will be given:   X1 = “00.0.”, Y1 = “-50.0”   X2= “10.0.”, Y2 = “-30.0”   ..  X6 = “30.0.”, Y6 = “30.0”   X7 = “40.0.”, Y7 = “80.0”   ..  X10 = “90.0.”, Y10 = “900.0”   X11 = “100.0.”, Y11 = “820.0” Additionally all other points must to be defined and stored in the device memory. PDU–4xx–W © Dinel, s.r.o.
  • Page 39   =  20,5  mA  and  I   =  1,0313.,  because  of  the  normalized  I   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 I  = 0,9 for these values the displayed value W @ 795. © Dinel, s.r.o. PDU–4xx–W...

  • Page 40: Function And Status Indication

    (420) 2x limited output (RE 1 and RE 2); (W) wall-mounted version; (230V) supply voltage 230 V AC ± 10 %; (RWC-1) PDU–420–W–24V (420) 2x limited output (RE 1 and RE 2); (W) wall-mounted version; (230V) supply voltage 24 V DC ± 15% 13 .  Accessories optional – for an extra charge (see the Accessories Catalogue List) •  Infrared remote controller RCW-1 (for PDU-420-W type only) PDU–4xx–W © Dinel, s.r.o.

  • Page 41: Safety, Protection, Compatibility And Explosion Proof

    If a fault has been detected, disconnect the unit from the power supply and contact an authorized service center. The unit is intended for operation in an industrial environment. Do not use it for home applications. The unit has no internal interchangeable or adjustable features that are freely accessible to the user.  Pay attention to the ambient temperature in the room where the unit is to be operated. Significantly  higher temperatures result in faster ageing of the internal elements and reduced trouble-free operation. Do not use thinners and other reagents when cleaning. Clean the unit with warm water and a small  amount of detergent. In case of major contamination, use ethyl or isopropyl alcohol. Using reagents can cause permanent damage to the unit casing. After the end of the service life, hand  over the product to a specialized company for recycling or contact the manufacturer for recovery. © Dinel, s.r.o. PDU–4xx–W...

  • Page 42: General Conditions And Warranty

    16.  General, conditions and warranty Dinel, s.r.o., U Tescomy 249, CZ - 760 01 Zlín The  manufacturer  guarantees  from  the  supply  that  this  product  will  have  established  properties  tel., fax: +420 577 002 001 www.dinel.cz given in the technical conditions for a period of 3 years. PDU - 420 - P - 230V P/N: The manufacturer is responsible for the faults that have been identified during the warranty period ...

  • Page 43: Technical Specifications

    2 (relay 1  A  / 250 V AC) Sensor power supply  version 230 V 24 V DC ± 3 V, max. 25 mA outputs version 24 V 24 V DC ± 15%, max. 100 mA Outputs – Communication  RS–485, 8N1 and 8N2, Modbus RTU, no  interface galvanic separation Baud rate 1 200 ... 115 200 bit/s Operating temperature 0 ... + 50°C; (-20 ... +50°C) * Storage temperature -10 ... + 70°C; (-20 ... +70°C) * Front panel IP65 Protection Terminal IP65 Housing material ABS + fiberglass Weight cca 340 g * special design for an extra charge © Dinel, s.r.o. PDU–4xx–W...
  • Page 44 Lo C Minimum displayed value (for nominal range) 000.0 Hi C Maximum displayed value (for nominal range) 100.0  t h1 Height (length) first part of the tank 00.00 t h2 Height (length) second part of the tank 00.00 t h3 Height (length) third part of the tank 00.00 t d Tank diameter 00.01 Distance  between  sensor  and  bottom  of  t Sn 00.00 the tank t Sh Height of the sensor 20.00 Extension of the bottom of the nominal input  Lo r 5.0 (%) range Hi r Extension of the top of the nominal input range 5.0 (%) PDU–4xx–W © Dinel, s.r.o.
  • Page 45 Default and user's settings list RS 485 interface configuration (menu “rS”) Addr Device address bAud Baud rate Permission  to  changes  of  configuration  mbAc registers Maximum  delay  between  received  mbtO messages rESP Additional delay of answer transmission Configuration of numerical parameters edition Edit Numerical parameters edit mode © Dinel, s.r.o. PDU–4xx–W...

  • Page 46: Packing, Shipping And Storage

    19 .  Packing, shipping and storage The PDU–4xx–P is wrapped in a polyethylene bag and the whole consignment is placed in a card  box. In the carton box, appropriate padding is used to prevent mechanical damage during transport. Remove the device from the packaging just before its use, you may avoid possible damage. The transport to the customer is realized by means of a forwarding company. After a prior agreement,  personal taking of the ordered goods from 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 transporting. Do not use a device obviously damaged  during transport, but contact the manufacturer in order to address the situation. If the device is to be transported further, then only wrapped in the original packaging and protected  against shocks and weather conditions. Store the device in the original packaging in dry areas covered from the weather conditions, with    a moisture up to 85 % without any effects of Chemically active substances. Storage temperature  range is -10 °C to +50 °C. PDU–4xx–W © Dinel, s.r.o.
  • Page 48 Dinel, s.  r .  o . U Tescomy 249 760 01 Zlín 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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