Vemm Tec PTZ-BOX 3.0 Manual
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Vemm Tec PTZ-BOX 3.0 Manual

Gas-volume conversion device
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GAS-VOLUME CONVERSION DEVICE
PTZ-BOX 3.0
Manual
Specifications
Technical Description
Mounting instructions
Configuration
Single-channel gas conversion device
Approved for installation in potentially explosive atmospheres.
February 2017
IOM_Manual_EN_PTZ-BOX 3-0_097-102-003_2017 02.docx

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Summary of Contents for Vemm Tec PTZ-BOX 3.0

  • Page 1 GAS-VOLUME CONVERSION DEVICE PTZ-BOX 3.0 Manual Specifications Technical Description Mounting instructions Configuration Single-channel gas conversion device Approved for installation in potentially explosive atmospheres. February 2017 IOM_Manual_EN_PTZ-BOX 3-0_097-102-003_2017 02.docx...
  • Page 2 Safety Measures This measurement device can be operated only by an operator trained in compliance with the technical terms, safety regulations, and standards. It is necessary to consider any other legal and safety regulations stipulated for special applications. Similar measures also apply for special applications. Similar measures also apply for using the accessories.

  • Page 3: Table Of Contents

    4.4 Volume measurement and calculation ..............18 5 Inputs and outputs .................. 20 5.1 Inputs .........................20 5.2 Outputs ......................22 6 Communication with the PTZ-BOX 3.0 ............. 24 6.1 RS-232 and RS-485 interfaces ................24 6.2 Optical interface IEC-1107 ...................26 7 Functions ....................27 7.1 Parameter indication ..................27...
  • Page 4 13 Intrinsically safe parameters ..............62 14 Configuration ..................64 14.1 Checking after installation ..................64 14.2 Connecting the PTZ-BOX 3.0 with a PC ..............64 14.3 Configuration with the GASCcomm software ............65 14.4 Password in the device ..................76 15 Configuration examples ................78 15.1 Parameters display modes ..................78...
  • Page 5 16 Exchange of pressure and temperature sensors ........100 16.1 Pressure and temperature sensor replacement procedure in the PTZ-BOX 3.0 ... 100 16.2 Software settings for a new temperature sensor ..........101 16.3 Software settings for a new pressure sensor ............. 103 17 Additional external digital temperature or pressure sensor....
  • Page 6 PTZ-BOX 3.0 Used symbols and definitions Symbol Description Unit AGA8-G1 Compressibility calculation method AGA8-G2 Compressibility calculation method AGA8-92DC Compressibility calculation method AGA NX-19 mod Compressibility calculation method Accredited Service Centre Base Transceiver Station CL-1 Module Analogue output module (4-20mA) Checksum – used for data protection...
  • Page 7 PTZ-BOX 3.0 Symbol Description Unit Number of input impulses from gas meter Absolute pressure at measurement conditions Absolute pressure at base conditions Flowrate at measurement conditions (further primary flowrate) Flowrate at base conditions Absolute temperature at measurement conditions (T = t + 273.15)

  • Page 8: Introduction

    PTZ-BOX 3.0 1 Introduction 1.1 Basic device description The Electronic gas volume converter PTZ-BOX 3.0 (hereinafter called: “the device”) is a measuring instrument designed for the conversion of the gas volume measure at measurement conditions to volume at base conditions.

  • Page 9: Function Principle

    The device can be extended by one non-metrology sensor for measuring pressure or temperature. This extension can be performed without breaking the official mark on an already installed device. Basic configuration of the PTZ-BOX 3.0 offers: analogue input (pressure P - metrological channel) analogue input (temperature T - metrological channel) 4x digital input DI1 to DI4 (binary, pulse);...
  • Page 10 PTZ-BOX 3.0 Volume at base conditions (standardized volume): = V * C The gas compressibility factor expresses the deviation of properties of natural gas from the properties of an ideal gas. By setting the parameters, it is possible to choose a specific method for calculation of the compressibility factor according to the standard (AGA NX-19 mod, AGA8-G1, AGA8-G2, SGERG-88 or AGA8-92DC).
  • Page 11 PTZ-BOX 3.0 where Corrected volume at measurement conditions Primary volume Primary flowrate Linear interpolation method is used for getting values between calibration points. The file with correction values is to be inserted into the device by using the service software [21]. Information about the insertion of a correction curve into the device is logged in the setup archive.
  • Page 12 PTZ-BOX 3.0 Fig. 1 Volume and energy calculations - Scheme...

  • Page 13: Device Dimensions

    PTZ-BOX 3.0 1.3 Device dimensions Fig. 2 Device dimensions 2 Device technical description 2.1 Device architecture The device’s electronics are laid out on three basic boards. The bottom part of the casing contains the input/output board with the battery and back-up battery and terminals for connecting the pressure and temperature sensors and device inputs and outputs.

  • Page 14: Power Supply

    PTZ-BOX 3.0 Fig. 3 Main parts of the device 2.2 Power supply 2.2.1 Main supply battery The device is powered by a built-in (lithium) battery with a voltage of 3.6 V. The life cycle of the battery depends especially on the configuration of the device, the frequency of communication, and the time the display is on.
  • Page 15 PTZ-BOX 3.0 2.2.2 Replacement of main supply battery Replacement of main supply battery is allowed in the hazardous area but only with recommended type of battery. It is advised to disconnect a discharged battery as soon as possible. While the...
  • Page 16 PTZ-BOX 3.0 Self-discharging of batteries The back-up and supply batteries are lithium type. Their capacity drops due to self-discharging. The recommended time frame for their replacement is 10 years, even if the battery was never connected. 2.2.4 External power supply...

  • Page 17: Security Seals

    PTZ-BOX 3.0 2.3 Security seals Security seals located on the device indicate the technical condition of the device regarding unauthorized handling. Security seal of the manufacturer (metrological seal) - its design is stipulated by the Approval certificate on the quality management system for production, output control, and testing pursuant to Enclosure no.

  • Page 18: Product Label

    PTZ-BOX 3.0 2.4 Product label...

  • Page 19: Safety Instructions

    PTZ-BOX 3.0 3 Safety instructions 3.1 General The device has been approved according to the guideline 94/9/CE (2014/34/EU) and an EC certificate on type approval (ATEX) has been issued for its use in potentially explosive atmospheres. Respecting this guideline is mentioned in the CE compliance notation.

  • Page 20: Special Conditions Of Use

    PTZ-BOX 3.0 3.4 Special conditions of use 1. The device must not be installed or located in an environment with a potential danger of electrostatic charge of the device casing (e.g. by flowing air, etc.) Only a damp cloth must be used if the device is being cleaned, to prevent the creation of electrostatic charge.

  • Page 21: Metrological Characteristics

    PTZ-BOX 3.0 4 Metrological characteristics 4.1 Temperature measurement This device uses the PT1000 temperature sensor to measure temperature. The temperature sensor’s connection is two-wired. The influence of the length and the characteristics of the cable used are considered during calibration and therefore do not influence the accuracy of the temperature measuring.

  • Page 22: Compressibility Calculation

    PTZ-BOX 3.0 4.3 Compressibility calculation 4.3.1 PTZ, TZ conversion The compressibility factor is calculated from the composition of the gas, using one of the following methods implemented in the device: AGA NX-19-mod, SGERG- 88, AGA8-G1, AGA8-G2 or AGA8-92DC. Calculation of the compressible factor is performed in each measuring period. In the SGERG-88 and AGA8-G1 methods the value of the heating value is entered for the combustion temperature 25°C / gas temperature 0°C.

  • Page 23: Volume Measurement And Calculation

    PTZ-BOX 3.0 4.4 Volume measurement and calculation For measurement and volume calculation the following counters are used for each channel. Primary volume counter (Actual volume) Corrected volume counter (volume corrected based on gas meter correction curve) Volume V or V...
  • Page 24 PTZ-BOX 3.0 If a default compressibility is used during the calculation (when temperature or pressure are out of the valid range of the compressibility calculation formula) (see article 4.3.1), whereas pressure or temperature are not outside the measuring range; the converted volume is stored in the error counter.

  • Page 25: Inputs And Outputs

    PTZ-BOX 3.0 5 Inputs and outputs 5.1 Inputs A total of 4 digital inputs marked as DI1 to DI4 can be connected to the device. The inputs are provided at the terminal board inside the device. The digital inputs can be adjusted as a binary or as a LF impulse by using the service SW.
  • Page 26 PTZ-BOX 3.0 it does in this case not count the impulses. The terminals for the HF NAMUR inputs are marked HF+ and HF- (see Fig. 8). Changing measuring units, setting the gas meter constant The impulse inputs measuring units and the gas meter constant can be adjusted using the service SW.

  • Page 27: Outputs

    PTZ-BOX 3.0 3. After connection of the encoder finish installation/exchange with OK button. During installation/exchange (point 1) no differences are added to the applicable counters which are marked on display with exclamation mark. If point 3 is not finished by one hour exchange procedure will be closed automatically at service SW.
  • Page 28 PTZ-BOX 3.0 The device structure allows the generation of outputs even when the device is powered solely by the battery with no effect on the battery life cycle. The outputs are “open collector” type and are not galvanic separated. All four outputs have a joint GND conductor.

  • Page 29: Communication With The Ptz-Box 3.0

    PTZ-BOX 3.0 6 Communication with the PTZ-BOX 3.0 For communication with other devices, the PTZ-BOX 3.0 is equipped with one communication channel with three possible communication interfaces. Either the communication interface RS-232 or the RS-485 can be used for connection with a superior system.
  • Page 30 PTZ-BOX 3.0 Communication with GSM and GPRS modems For the purpose of diagnostics during the modem installation, the device has the option of displaying the information from the modem on the presence and connection to a GSM network, and further information on the signal strength measured by the modem.

  • Page 31: Optical Interface Iec-1107

    PTZ-BOX 3.0 to PC/RS-232 DSUB-9F PTZ-BOX 3.0 (view from the soldering side) clamps RS-232 GND1 cable KP 065 50 attach shielding with cable gland Note: Described connection of EVC with the PC without safety barrier must not be used if the EVC is placed in hazardous area.

  • Page 32: Functions

    PTZ-BOX 3.0 7 Functions The options of the device regarding displaying the data on the display and storing the data are extremely variable and customizable. The user has full control over which parameters will be displayed in the actual values and also which parameters will be stored in the individual archives.

  • Page 33: Archives

    PTZ-BOX 3.0  Battery capacity  Internal temperature 7.3 Archives The values are arranged in the archives in time sections. The combination of date and time and the values of the parameters selected for archiving form a part of each time section.
  • Page 34 PTZ-BOX 3.0 Data Daily Monthly Limits Binary archive archive archive archive archive Actual flow – average value Base flow – average value Minimum/maximum flow Conversion, ratio of compressibility factors Base factor – average value Ratio of compressibility factors – average value...
  • Page 35 PTZ-BOX 3.0 7.3.3 Data archive Archive capacity: variable depending on the configuration of the stored values. The capacity is displayed during the configuration of the archive in the service SW. Archiving period: Adjustable within 1 s to 1 hr. The parameters in this archive are saved with the set time interval, and the interval can be set by the user.

  • Page 36: Device Configuration

    PTZ-BOX 3.0 7.3.8 Billing archive Archive capacity: 15 records The device can contain a billing archive. This archive serves as data recorder with a billing period set at device parameters. There are two possible ways how to write into this archive: writing according to a pre-set time or periodically at intervals 1, 2, 3, 4, 6 or 12 months.

  • Page 37: Securing The Device Against A Change Of Metrological Values

    PTZ-BOX 3.0 it is necessary to setup the deviation from GMT. In device archives it is indicated whether record was made in summer or in winter time. 7.5.2 Tariff counters In the device it is possible to configure up to four tariff counters enabling volume calculation based on a time schedule.

  • Page 38: Access Passwords

    PTZ-BOX 3.0 Service switch - Functionality The user has the option of setting one of the three functionalities of the service switches in the service SW: Switch Position Description functionality The writing of parameters in the device is disabled. Complete Parameters can be written in the device The position of the switch does not matter;...
  • Page 39 PTZ-BOX 3.0 along with the user mark and password system can be used as a protection against misuse. Accredited Service Centre (ASC) Designed for employees of a center accredited by the manufacturer. The center is accredited to perform operations on the device regarding its metrology features.
  • Page 40 PTZ-BOX 3.0 User level Position of Allowing activity when using Activity the service passwords switch  Reading the actual values of Allowed when passwords turned off,  parameters OFF, ON With passwords turned on allowed after entering the “password for Reading archives reading”...
  • Page 41 PTZ-BOX 3.0 Accredited Service Centre level Position of Activity metrology Allowing activities when switch Note: Activities described in the When using HW key, the OFF, ON user level effect of passwords is disabled (when applicable) Upgrade firmware Change of the metrology approval option (NMi, ČMI,...

  • Page 42: Starting The Device

    PTZ-BOX 3.0 8 Starting the device Device is delivered either in operation condition with connected battery or switched out with disconnected battery. Device is delivered in switched-out position (no displayed information after pushing of any button) and battery is placed at battery holder. A blocking foil strip is placed between battery and holder contact.

  • Page 43: Operation

    PTZ-BOX 3.0 9 Operation The device is not equipped with a power switch; if a supply battery is inserted in the device, the device is automatically switched on (the device also registers LF pulses if the battery is taken out).

  • Page 44: Menu System

    PTZ-BOX 3.0 9.1.2 Quick Access Buttons QA button 1 QA button 2 QA button 3 QA button 4 Quick Access Buttons are used as a shortcut to lists of important values or often used menus. These lists or shortcuts can be pre-configured according to your wishes and can be reconfigured by the user by using the GASCcomm service SW.

  • Page 45: Menu Structure

    PTZ-BOX 3.0 The information about the device basic status is provided through the icons displayed on the first line in the upper right corner. Position Meaning Symbol Description Communication Communication via infrared head condition Communication via GPRS Communication via GSM...
  • Page 46 PTZ-BOX 3.0 9.4.1 Main menu 2nd level Main device menu PTZ-BOX 3.0 Measured values Measured values Calculation setting Actual values Device settings Archive Alarms Frozen moment. val. Change config. Calculation settings Conversion Defaults Date and Timing Change config. Device settings...
  • Page 47 PTZ-BOX 3.0 9.4.2 Measured values menu...
  • Page 48 PTZ-BOX 3.0 9.4.3 Calculation settings menu 2nd level 3rd level Calculation settings Conversion Conversion Defaults AGA-NX 19 Date and timing xxxxxxxxxx bar Change config. xxxxxxxxxxx °C xxxxxxxxxxx xxxxxxxxxxxx % CO2 xxxxxxxxxxxx % Rel. dens. xxxxxx Defaults Stream 1 Date and timing 26.04.2011 13:46:58...
  • Page 49 PTZ-BOX 3.0 9.4.4 Device settings menu The Device menu displays the following data:  Device serial number  FW version  Station name  Battery capacity...
  • Page 50 PTZ-BOX 3.0  Internal temperature  Device test After selecting this menu item, the device will test its internal status and list the errors and warning messages on the display. The initiated test of the device takes a few seconds and has no effect on the measuring and archiving operations of the device.
  • Page 51 PTZ-BOX 3.0 9.4.5 Alarms menu 2nd level 3rd level sample: Alarms Errors and warnings Errors and warnings Errors and warnings History Err and Wrn Clear history list of errors and warnings PTZ-BOX 3.0 History Err and Wrn History Err and Wrn CRC program E27 bat.m.capac.
  • Page 52 PTZ-BOX 3.0 9.4.6 Displaying device errors Error messages are displayed in the “Actual values”, “Alarms” and “Device test” menus. A diagnostic self-test is launched regularly, a complete device test daily, a sensors displacement test hourly, or irregularly when the device is turned on. The test can also be launched by selecting the “Device test”...
  • Page 53 PTZ-BOX 3.0 E18 T1 above the limit E19 T1 error E26 RTC RTC synchronization error, feed > 2 hours was required. synchronization - not used E28 encoder error Encoder error (SCR or NAMUR) Table 7 List of events – error messages (Err indication)

  • Page 54: Quick Access Buttons

    PTZ-BOX 3.0 Quick Access Buttons In some cases, it is useful to display a user defined set of variables or specific often required menu quickly. This can be performed by the 4 QA Buttons. 9.5.1 Changing the display with the QA buttons The device allows up to four user screens to be displayed.
  • Page 55 PTZ-BOX 3.0 By the buttons , you must set the parameter that you want to edit on the first line of the display (the parameter is displayed with a dark background). Initiate the editing by pressing the Enter key. The edited position on a line is marked by the symbol: .

  • Page 56: Mounting Instructions

    DN80 to DN150 or on a vertical pipe with diameter from DN80 to DN200. Fastening of the PTZ-BOX 3.0 to the mounting plate is to be performed by 4 screws M4x10 via mounting holes which are accessible after opening the housing cover.
  • Page 57 PTZ-BOX 3.0 Fig. 15 Mounting of the PTZ-BOX 3.0 to the mounting plate Fig. 16 Mounting the PTZ-BOX 3.0 to a pipeline...
  • Page 58 PTZ-BOX 3.0 Connection of the pressure sensor For connection of the pressure sensor we recommend to use weld less stainless steel pipe 6x1 mm. Connect the sensor to the gas meter output Pm (previous Pr) eventually it is necessary to use a dedicated weldolet.

  • Page 59: Cable Connection, Grounding

    PTZ-BOX 3.0 Temperature sensor Safety nut Thermowell Direct weldolet Fig. 18 Temperature sensor mounting by a weldolet 10.2 Cable connection, grounding For connecting with another device it is necessary to use only shielded cables. On the device side the shielding of the cable must be connected with the metal body of the cable gland (according to Fig.
  • Page 60 PTZ-BOX 3.0 end ferrule on the stripped end of the wire. Wires with ferrules can be plugged in the clamps without the need of a special tool. During removing it is necessary to slightly push the nose of the clamp and carefully take out the wire.

  • Page 61: Accessories (Options)

    PTZ-BOX 3.0 11 Accessories (options) 11.1 Assembly accessories 1 pc mounting plate (metal) 2 pcs mounting legs with straps for assembly on pipes (for pipes Ø 50 mm, Ø 100 mm, Ø 150 mm. Specified when ordering!) 1 pc thermowell (length according to the pipe diameter. Specify when ordering)

  • Page 62: Specifications

    PTZ-BOX 3.0 12 Specifications Mechanical parameters … 170(185) x 170 x 73 - mechanical dimensions (w x h x d) … 1.2 kg - weight … polycarbonate - casing material - terminals – conductor cross section … 0.5 mm – 1.5 mm...
  • Page 63 PTZ-BOX 3.0 Device accuracy, metrology parameters … PTZ converter, 1 channel - measuring principle … (in accordance with certification type) - type approval mark Relative error (within scope of working temperatures) … < 0,5 % of the measured value (MID) - max.
  • Page 64 PTZ-BOX 3.0 … 125 % of the upper limit of the measuring - maximum overload rating range … 10 MPa - mechanical resistance  … tube - Connecting pressure 6 mm, screwing ERMETO M12 x 1.5 … Internal or - design External, standard cable length 2.5 m max.
  • Page 65 PTZ-BOX 3.0 - level “ON” … R < 100 k or U < 0.2 V - level “OFF” … R > 2 M or U > 2.5 V … Terminals DI1 (HF+/-), DI2 (HF+/-) Binary input - NAMUR … 2 - Max.
  • Page 66 PTZ-BOX 3.0 *) necessary to connect an external module CL-1 using the JB separator (e.g. K3 Module) Connection of external sensor via EDT-port – optional (communication line RS-485 internal bus) … EDT-Port - Expanding module marking … RS-485 (intrinsically safe) - Communication interface for sensor …...

  • Page 67: Intrinsically Safe Parameters

    PTZ-BOX 3.0 13 Intrinsically safe parameters HF inputs NAMUR DI1, DI2: HF+, HF- (INPUTS) Terminals Uo = 10V Io = 11mA Po = 27mW 2,8F 18F 200mH 700mH LF inputs and binary inputs DI1, DI2, DI3, and DI4: LF+/-, DI3+/-, DI4+/- (INPUTS) terminals Uo = 6.5V...
  • Page 68 PTZ-BOX 3.0 RS485 communication line – communication with superior system: Terminals GND1, U1+, D1-, D1+ Ui = 10V Pi = 0.33W* (sum of outputs in RS485 and RS232) Ci = 2.8F Li = 0 RS232 communication line – communication with superior system:...

  • Page 69: Configuration

    3. The device is delivered without active passwords. 14.2 Connecting the PTZ-BOX 3.0 with a PC The device can be connected with a PC either by a serial interface (RS-232, or RS-485), infrared-head (HIE-01, 03, 04) or via a modem.

  • Page 70: Configuration With The Gasccomm Software

    PTZ-BOX 3.0 Warning: If is the PC used in the explosive area (ZONE 1 or ZONE 2), then all protecting norms and regulations must be followed. Communication parameters (default setup) In the device the following parameters for connection with PC (or modem) are pre-...
  • Page 71 PTZ-BOX 3.0 Fig. 20 Station setting Note for parameters Addr.1, Addr.2: Parameters Addr.1, Addr.2 are connected with the specific device that is connected to the PC in the given station. In case that this station includes more connected devices then is necessary to differentiate devices by these addresses.
  • Page 72 PTZ-BOX 3.0  Setting of a new communication channel starts with the choice of the connection between device and PC (program switch Communication medium). For instance for communication via infrared-head choose RS-232 or USB and relevant communication port. After this selection a new communication channel will be added in the table Configuration of communication channels.
  • Page 73 PTZ-BOX 3.0 14.3.4 Downloading and uploading parameters in the device The user may readout parameters from the device via the menu Readout -> Parameters. After parameter readout the data from the device are displayed in a separate window. With the button with the...
  • Page 74 PTZ-BOX 3.0 Fig. 23 Data archive...
  • Page 75 PTZ-BOX 3.0 b) Full mode display All parameters are displayed in a tree structure. This type of display is for advanced users. Fig. 24 Base parameters – Full mode display In the simple mode it is possible to set followings: a) System parameters –...
  • Page 76 PTZ-BOX 3.0 14.3.5 Device configuration with the assistant For easier device configuration the GASCcomm SW comes with a user-friendly and simple assistant. User can start up this assistant with click on the icon in the toolbar of the (system) parameter window (see Fig. 25). With the selection of Installation of telemetric system in the Wizard for editing of parameters the configuration starts.
  • Page 77 PTZ-BOX 3.0 On the first screen it is possible to set the station identification, station address in the network (Address 1 and Address 2), communication protocol, communication speed, frequency of recording into the archives and the measuring period. Address 1 is ranging from 0 to 65535; Address 2 from 0 to 255. For the MODBUS protocol Address 1 ranges from 1 to 247 and Address 2 is not used.
  • Page 78 Fig. 28 Channel setting With pressing the button Next follows analogous screen Setting 2. channel. (not applicable for the PTZ-BOX 3.0) This is the last step of Assistant for configuration. Other settings can be made in the normal configuration screens...
  • Page 79 PTZ-BOX 3.0 14.3.6 Setting of Actual (primary) volume counter It is useful to adjust the counter of the volume converter to the value that is indicated at the gas meter. In the screen that shows the device parameters (Fig. 29 –...
  • Page 80 PTZ-BOX 3.0 b) In SW on PC (Fig. 30) Menu choice „Setup -> Diagnostics (status) of the device -> From device“ will be read out the errors and warnings from the connected device. It is possible to find out current status of the device with pressing: Device settings ->...

  • Page 81: Password In The Device

    PTZ-BOX 3.0 Fig. 31 Clearing of the archives 14.4 Password in the device It is possible to use the device either without passwords or with password protection. Password can be set by the GASCcomm service SW. It is possible to set a password for reading and/or for full access.
  • Page 82 PTZ-BOX 3.0 Fig. 32 Password setting Note: 1. The password will not be activated (or de-activated) if you fill up an “empty” password during password setting. 2. Maximal length of password for reading and for full access is 6 characters.

  • Page 83: Configuration Examples

    PTZ-BOX 3.0 15 Configuration examples In this chapter are examples of the most common device configurations. The device configuration is made by using the GASCcomm service SW. First the file of device parameters must be displayed: 1) Parameters of the device connected to the PC: menu Readout ->...
  • Page 84 Fig. 33 Setting the gas meter factor in simple mode display Values of constants from item V01 are automatically copied into item Q01. If applicable (not for PTZ-BOX 3.0) the same rule stands for V02 a Q02, because this constant is used for counting of both parameters.
  • Page 85 PTZ-BOX 3.0 Fig. 34 Setting gas meter factor for LF pulses in full mode display Example 2 – Gas meter with HF output For gas meter with HF output HF must be selected. Fig. 35 shows setting of gas meter with the HF output factor on a value of 82.5564 pulse/m and a serial number of the gas meter 1212222.

  • Page 86: Pulse Outputs Setting

    PTZ-BOX 3.0 Fig. 35 Setting of gas meter factor for HF pulses in full mode display 15.3 Pulse outputs setting Pulse output may be used for instance for controlling of odorization, preheating or as an output for management systems, dispatching, etc.
  • Page 87 PTZ-BOX 3.0 Fig. 36 Switching on and off output pulses 15.3.2 Full mode display In case this output was not configured it is necessary to configure it and assign a parameter. It is necessary to set technical parameters of output pulses as well.
  • Page 88 PTZ-BOX 3.0 Fig. 37 Configuring a pulse output Then a module of Pulse output counter will be created e.g. with indicated V03o (see Fig. 38). Fig. 38 Pulse output configuration Now a hardware pulse output is configured. The device offers possibility of four digital outputs.
  • Page 89 PTZ-BOX 3.0 Output No. 3 – clamp DO3 Output No. 4 – clamp DO4 The programme assigns automatically free output clamp (in our example DO3). But it is possible to swap. 2. Setting output pulses properties  Connected time – range of output pulse. Minimal range is 0.1 s. It is set in complete multiples of this value.
  • Page 90 PTZ-BOX 3.0 Fig. 39 Wizard for mathematical expressions Fig. 40 Equation for base volume pulses and output connection...

  • Page 91: Analogue Output Setting

    PTZ-BOX 3.0 After this, the related equation is in the V03 module displayed in the frame Source of value. To make changes in equation press the button Skip on source (see Fig. 41). Fig. 41 Parameter V03 after equation assigment 15.4 Analogue output setting...
  • Page 92 PTZ-BOX 3.0 15.4.2 Full mode display This procedure is similar with the procedure for pulse output. From the item Hardware (in the left upper window) Insert output measurand must be chosen and then Data output for CL-1 (see Fig. 42).
  • Page 93 PTZ-BOX 3.0 Fig. 44 Wizard for creating an analogue output equation On the first screen choose Current output, on the second screen choose the parameter for which you want an analogue output and then assign the values of minimum and maximum limits corresponding with a 4mA signal and a 20 mA signal.

  • Page 94: Limits Of Measured Values

    PTZ-BOX 3.0 Fig. 46 Analogue output with equation on output clamp DO4 15.5 Limits of measured values In many cases it is important to monitor limits of measured values. Because of that it is possible to configure so-called Set points. Set points may be defined either as a minimum or maximum value of a parameter.
  • Page 95 PTZ-BOX 3.0 Fig. 47 Set point setting Example: If the measured pressure p1 will exceed the value 120 (kPa) and this is the case for more than 5s, the alarm will be generated (see Fig. 48).

  • Page 96: Monitoring The External Power Supply

    PTZ-BOX 3.0 Fig. 48 Set point configuration 15.6 Monitoring the external power supply With the following process it is possible to watch the external power supply. The information about the power supply condition can be saved into the data or the binary archive;...
  • Page 97 PTZ-BOX 3.0 Fig. 49 Configuration the monitoring of the external power supply When the external power supply fails for more than 3 seconds an alarm signal will be generated (see Fig. 50).

  • Page 98: Setting Of Communication With Modbus Protocol

     Is a pre-defined table of MODBUS addresses with device parameters. In the table is also information about the type of the parameter (reading or also for writing). Vemm tec offers a standard template for one-channel or two-channel devices. On demand vemm tec can adjust the template according to...
  • Page 99 PTZ-BOX 3.0 As a first step the Address map of MODBUS is added to device parameters. The progress is displayed on the Fig. 51: Right click the mouse button on the item Calculated measurands->Insert object of configuration. Then a dialog window for file selection is displayed.
  • Page 100 PTZ-BOX 3.0 Fig. 52 Parameter of MODBUS map address Fig. 53 Switch of communication protocol in the device...

  • Page 101: Configuration Of Quick Access Buttons

    PTZ-BOX 3.0 15.8 Configuration of Quick Access buttons 15.8.1 Adding the quick button map into the parameter file Determine the device parameters via the GASCcomm service program. Choose the “Calculated measurands” item in the displayed parameters tree structure and click the right mouse button to display a submenu. From this submenu, select the “Insert object of configuration”...
  • Page 102 PTZ-BOX 3.0 Fig. 55 Showing the QB map The QA buttons are operational after saving the parameters into the device by clicking the “Save into device” button.
  • Page 103 PTZ-BOX 3.0 15.8.2 Creating a Quick Access Button map Fig. 56 Creating a QB map Fig. 57 Adding a line in the QB map...
  • Page 104 PTZ-BOX 3.0 Fig. 58 Choose the type of measurant for the QB map Fig. 59 Choose the parameter for the QB map...

  • Page 105: Exchange Of Pressure And Temperature Sensors

    This operation can be proceeded only by an acreditted service center (ASC). 16.1 Pressure and temperature sensor replacement procedure in the PTZ-BOX 3.0  Disconnect the device from the power supply – disconnect the external power supply (if applied) and remove the main battery (existing device settings and data in archives will not be lost) ...

  • Page 106: Software Settings For A New Temperature Sensor

    PTZ-BOX 3.0 16.2 Software settings for a new temperature sensor At this moment we have replaced a temperature sensor with the new one, the battery is inserted back into the device and now it is necessary to finish the installation by using the GASCcomm service software.
  • Page 107 PTZ-BOX 3.0 Fig. 61 Find the calibration file of the sensor Fig. 62 Chek serial number of the sensor...

  • Page 108: Software Settings For A New Pressure Sensor

    PTZ-BOX 3.0 16.3 Software settings for a new pressure sensor At this moment we have replaced pressure sensor with the new one, the battery is inserted back into the device and it is necessary to finish the installation by using the GASCcomm service software.

  • Page 109: Additional External Digital Temperature Or Pressure Sensor

    PTZ-BOX 3.0 17 Additional external digital temperature or pressure sensor 17.1 Fitting an additional digital pressure or temperature sensor Additional to the standard mounted pressure and temperature sensors which are metrological approved according to the MID approval it is possible to add an additional pressure or temperature sensor.
  • Page 110 PTZ-BOX 3.0 Expansion module RS-485 for digital transmitter connection INT. BUS RS-485 attach shielding with cable gland Digital transmitter PA1.1, TA1.1 Pin no./color signal ver.B ver.C ver.D DATA + white DATA - yellow brown green Transmitter version: ver.B: with M12 connector ver.C: with integral shielded cable...

  • Page 111: Configuring The Digital Sensor In The Parameter File

    As a first step it is necessary to readout the parameters from the PTZ-BOX (menu Readout ->Parameters). Now click in parameters menu on the „PTZ-BOX 3.0“ item. Using the right mouse button will open a menu. In the opened menu select „Insert object“ and in next selection choose the required sensor (for instance temperature sensor TA1.1,...

  • Page 112: Final Verification After Replacement Of A Sensor Or Adding A Digital Sensor

    PTZ-BOX 3.0 By clicking on the „Parameters of module“ button we will check if the sensor is communicating properly with the device. If everything is correct you will see a window with the sensor parameter. Herewith we finished the change of the address and also the installation of the sensor is finished.
  • Page 113 PTZ-BOX 3.0 Fig. 65 Adding a digital temperature sensor Fig. 66 Check the address...

  • Page 114: What If Something Does Not Work

    PTZ-BOX 3.0 18 What if something does not work problem Possible reason Set wrong PC port. Readout does not Set different address 1 or address 2 in the device and in the PC. working Set different communication speed between PC and device.
  • Page 115 PTZ-BOX 3.0 Visual display Error description and solution Abbrev. E4 error of FLASH Error of device FLASH memory. Necessary repair in ASC E5 full setup archive Full setup archive. Device is fully operational but no parameters are changeable. Erase setup archive in ASC.

  • Page 116: Literature

    PTZ-BOX 3.0 19 Literature PTZ-BOX 3.0 Manual (this document) EN 60079-0:2006 – Electrical apparatus for explosive gas atmospheres – Part 0: General requirements. EN 60079-11:2007 – Explosive atmospheres –Part 11: Equipment protection by intrinsic safety “i” EN 60079-26 :2007 – Explosive atmospheres – Part 26: Equipment with equipment protection level (EPL) Ga EN 12405-1:2006 –...

  • Page 117: Software

    PTZ-BOX 3.0 21 Software [22] GASCCOMM.exe, software for configuration and read out supplied with device 22 Used trade marks ® IrDA - is a trade mark of Infrared Data Association ® ModBus - is a trade mark of Modicon...

  • Page 118: List Of Figures

    Fig. 13 Removable foil strip in the battery holder ............37 Fig. 14 Initial display ....................39 Fig. 15 Mounting of the PTZ-BOX 3.0 to the mounting plate ........52 Fig. 16 Mounting the PTZ-BOX 3.0 to a pipeline ............52 Fig.

  • Page 119: List Of Tables

    PTZ-BOX 3.0 Fig. 40 Equation for base volume pulses and output connection ......85 Fig. 41 Parameter V03 after equation assigment ............ 86 Fig. 42 Analogue output setting ................87 Fig. 43 Analogue output configuration ..............87 Fig. 44 Wizard for creating an analogue output equation ........88 Fig.
  • Page 120 PTZ-BOX 3.0 PTZ-BOX 3.0 GAS-VOLUME CONVERSION DEVICE Prepared by: Collective of authors Issued by: vemmtec Messtechnik GmbH Phone: +49 (0) 3 31/70 96 274 Gartenstrasse 20 Fax: +49 (0) 3 31/70 96 270 144 82 Potsdam-Babelsberg http://www.vemmtec.com Germany e-mail: info@vemmtec.com...

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