BD Sensors BD SIMEX PAD-73S User Manual
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BD Sensors BD SIMEX PAD-73S User Manual

Digital indicator with u/i input
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USER MANUAL for
digital indicator with U/I input
PAD-73S
type:
5.14
firmware version:
or higher
Read the user's manual carefully before starting to use the unit.
Producer reserves the right to implement changes without prior notice.
V.2.01
13.01.2009

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Summary of Contents for BD Sensors BD SIMEX PAD-73S

  • Page 1 USER MANUAL for digital indicator with U/I input PAD-73S type: 5.14 firmware version: or higher Read the user's manual carefully before starting to use the unit. Producer reserves the right to implement changes without prior notice. V.2.01 13.01.2009...

  • Page 2: Table Of Contents

    User manual for digital indicator with U/I input PAD-73S CONTENTS 1. BASIC REQUIREMENTS AND USER SAFETY ..................3 2. GENERAL CHARACTERISTICS......................4 3. TECHNICAL DATA ..........................4 4. DEVICE INSTALLATION ......................... 6 4.1. UNPACKING ..........................6 4.2. ASSEMBLY ........................... 6 4.3.

  • Page 3: Basic Requirements And User Safety

    User manual for digital indicator with U/I input PAD-73S Explanation of symbols used in the manual: - This symbol denotes especially important guidelines concerning the installation and operation of the device. Not complying with the guidelines denoted by this symbol may cause an accident, damage or equipment destruction. IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS RESPONSIBLE FOR POSSIBLE DAMAGES.

  • Page 4: General Characteristics

    User manual for digital indicator with U/I input PAD-73S Do not use the unit in areas with significant temperature variations, exposed to condensation or icing. - Do not use the unit in areas exposed to direct sunlight. - Make sure that the ambient temperature (e.g. inside the control box) does not exceed the recommended values.
  • Page 5 User manual for digital indicator with U/I input PAD-73S Voltage measurement accuracy ± 0.25 % ± one digit (for 0÷10 V range) Voltage input resistance ~ 100 k Display range -999 ÷ 9999, plus decimal point Accepted prolonged input overload: 20 % Communication interface RS-485, 8N1 and 8N2, Modbus RTU,...

  • Page 6: Device Installation

    User manual for digital indicator with U/I input PAD-73S 4. DEVICE INSTALLATION The unit has been designed and manufactured in a way assuring a high level of user safety and resistance to interference occurring in a typical industrial environment. In order to take full advantage of these characteristics installation of the unit must be conducted correctly and according to the local regulations.
  • Page 7 User manual for digital indicator with U/I input PAD-73S Figure 4.1. Mounting hole dimensions Figure 4.2. Installing of brackets, and dimensions of connectors. Figure 4.3. Minimum distances when assembly of a number of units...

  • Page 8: Connection Method

    User manual for digital indicator with U/I input PAD-73S 4.3. CONNECTION METHOD Caution - Installation should be conducted by qualified personnel. During installation all available safety requirements should be considered. The fitter is responsible for executing the installation according to this manual, local safety and EMC regulations.
  • Page 9 User manual for digital indicator with U/I input PAD-73S 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 couples of signal cables (so-called “spirals”) is recommended.
  • Page 10 User manual for digital indicator with U/I input PAD-73S Figure 4.6. Connection of power supply a) for 230 V version; b) for 24 V version Figure 4.7. Connection of 2-wire current converters Figure 4.8. Connection of 3-wire current converters...

  • Page 11: Maintenance

    User manual for digital indicator with U/I input PAD-73S Figure 4.9. Connection of voltage converters 4.4. MAINTENANCE The unit does not have any internal replaceable or adjustable components available to the user. Pay attention to the ambient temperature in the room where the unit is operating. Excessively high temperatures cause faster ageing of the internal components and shorten the fault-free time of unit operation.

  • Page 12: Description Of Ir Remote Controller And Control Software Push-Buttons

    User manual for digital indicator with U/I input PAD-73S 5. DESCRIPTION OF IR REMOTE CONTROLLER AND CONTROL SOFTWARE PUSH-BUTTONS 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.) •...
  • Page 13 User manual for digital indicator with U/I input PAD-73S Figure 6.1. Definitions of measurement ranges in mode 4 ÷ 20 mA If the result of measurement exceeds the permissible measurement range, warning “-Hi-” or “-Lo-” is displayed rather than input signal, depends on exceeded value (see description of “Lo r”...

  • Page 14: Detection Of The Peak Values

    User manual for digital indicator with U/I input PAD-73S 6.2. DETECTION OF THE PEAK VALUES The PAD-73S controller is equipped with peaks detection function. It can detect a peaks of the input signal and display their values. Presets connected with this function are placed in “HOLd” menu (see description of “HOLd”...

  • Page 15: Parameters Edition

    User manual for digital indicator with U/I input PAD-73S Functions of the buttons while sub-menu and parameters choice: Selection of sub-menu or parameter for editing. Name of selected item (sub-menu or parameter) is displayed. Operation of [ENTER] button depend on present menu position: •...

  • Page 16: Switch Parameters ("List" Type)

    User manual for digital indicator with U/I input PAD-73S Press [ENTER] at least 2 seconds to accept the changes, after that question “SEt?” is displayed, and user must to confirm (or cancel) the changes. To conform changes (and story it in EEPROM) press [ENTER] button shortly after...

  • Page 17: Menu Description

    User manual for digital indicator with U/I input PAD-73S 7.3. MENU DESCRIPTION “- - - -” - password checking. If some password different from “0000” is set, then every enter to main menu follows the entering of password. If entered password is correct then first menu position will be displayed else warning “Err”, and unit returns to measurement mode.
  • Page 18 User manual for digital indicator with U/I input PAD-73S “Lo C” These parameters describe the values displayed for minimum and maximum input “Hi C” current. For example, if input type is set to 4-20 mA “Lo C” parameter defines the value displayed when input current is equal 4 mA, and “Hi C”...

  • Page 19: Bri" Parameter

    User manual for digital indicator with U/I input PAD-73S “Lo r”, these parameters define the expansion of nominal range in percent. They “Hi r” determine the permissible range of input signal (Figure 7.1). The permissible range allow user to exceed the nominal range of input signal. If input value is contained in the permissible range a proper result is displayed.

  • Page 20: Hold" Menu

    User manual for digital indicator with U/I input PAD-73S 7.3.3. “HOLd” menu This menu contains parameters connected with peak detection function. See also full description of the peak detection function in paragraph: DETECTION OF THE PEAK VALUES “modE” - the type of detected changes of the input signal, can be set to values: “norm”...

  • Page 21: Edit" Parameter

    User manual for digital indicator with U/I input PAD-73S “mbAc” - this 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 cannot be set via RS-485 interface. “rESP”...

  • Page 22: Menu Structure

    User manual for digital indicator with U/I input PAD-73S 7.4. MENU STRUCTURE...

  • Page 23: Over-Current Protection

    User manual for digital indicator with U/I input PAD-73S 8. OVER-CURRENT PROTECTION The current input of the device is equipped with over-current protection circuit. This circuit protects the standard resistor to damage. Maximum input current is set to about 50 mA. When temperature of the standard resistor falls, the protection circuit will turn off himself automatically, and the device will measure the input current again.

  • Page 24: Square Characteristic

    User manual for digital indicator with U/I input PAD-73S the normalized results is equal 1, then value is displayed). Expression presented below “Hi C” shows the manner of result calculation: “Hi C” − “Lo C” “Lo C” × where means the displayed value. The value of the “Lo C”...

  • Page 25: User Defined Characteristic

    User manual for digital indicator with U/I input PAD-73S W = √ I (“Hi C” – “Lo C”) + “Lo C” × 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.

  • Page 26: Examples Of Calculations

    User manual for digital indicator with U/I input PAD-73S Normalized measurement I (for 0-20 mA range) Input current [mA] Figure. 9.4 Example of user defined characteristic 9.2. EXAMPLES OF CALCULATIONS Example 1: Selection of the permissible input range (“4-20” mode) If in “4-20”...
  • Page 27 User manual for digital indicator with U/I input PAD-73S a) I =10 mA and I = 0.375 Accordingly to expression on page 24 for linear characteristic: 0.375 × [1200 - (- 300)] ≅ 562 and next, the “Lo C” value is added to the result, so the displayed value: W ≅...
  • Page 28 User manual for digital indicator with U/I input PAD-73S 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.

  • Page 29: The Modbus Protocol Handling

    User manual for digital indicator with U/I input PAD-73S 10. THE MODBUS PROTOCOL HANDLING Transmission parameters: 1 start bit, 8 data bits, 1 or 2 stop bit (2 bits are send, 1 and 2 bits are accepted when receive), no parity control Baud rate: selectable from: 1200 to 115200 bits/sec Transmission protocol:...
  • Page 30 User manual for digital indicator with U/I input PAD-73S Register Write Range Register description “mbAc” parameter in “rS” menu (permission to write registers via 0 ÷ 1 RS-485 interface); 0 - write denied ; 1 - write allowed “rESP” parameter in “rS” menu (additional response delay); 0 ÷...

  • Page 31: Transmission Errors Description

    User manual for digital indicator with U/I input PAD-73S 10.2. TRANSMISSION ERRORS DESCRIPTION If an error occurs while write or read of single register, then the device sends an error code according to Modbus RTU specifications (example message no 1). Error codes: - illegal function (only functions 03h, 06h and 10h are available), - illegal register address...
  • Page 32 User manual for digital indicator with U/I input PAD-73S b) The answer (if an error occur): ADDR FUNC ERROR CRC L,H ERROR - error code = 60h, bottom border of the measurement range is exceeded 2. Read of device ID code ADDR FUNC REG H,L...
  • Page 33 User manual for digital indicator with U/I input PAD-73S 5. Read of the registers 1, 2 and 3 in one message (example of reading a number of registries in one frame): ADDR FUNC REG H,L COUNT H,L CRC L,H COUNT L - the count of being read registers (max.16) The answer: ADDR FUNC...

  • Page 34: Default And User's Settings List

    User manual for digital indicator with U/I input PAD-73S 11. DEFAULT AND USER'S SETTINGS LIST Desc. Parameter Description Default value User's value page Configuration of measurement input (“inPt” menu) tYPE Input mode „4-20” CHAr Conversion characteristic mode FiLt Filtering ratio Decimal point position Lo C Minimum displayed value (for nominal range)
  • Page 35 User manual for digital indicator with U/I input PAD-73S...
  • Page 36 User manual for digital indicator with U/I input PAD-73S | | | | Sensors GmbH BD-Sensors-Straße 1 95199 Thierstein, Germany Telefon +49 (0) 9235 / 9811 - 2099 Telefax +49 (0) 9235 / 9811 - 860 e-mail: info@bdsimex.de www.bdsimex.de 01-2010...

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