Smart Storm AVOCET-9000 Instruction Manual

Smart Storm AVOCET-9000 Instruction Manual

Sludge blanket monitor

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2024
V1.49
AVOCET-9000
Instruction Manual
1 Lon Cae Darbi
Cibyn Industrial estate
Llanberis Rd, Caernarfon
Gwynedd, LL55 2BD
+44 (0)1422 363462
Enquiries@smartstormgroup.com
www.smartstormgroup.com

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  • Page 1 2024 V1.49 AVOCET-9000 Instruction Manual 1 Lon Cae Darbi Cibyn Industrial estate Llanberis Rd, Caernarfon Gwynedd, LL55 2BD +44 (0)1422 363462 Enquiries@smartstormgroup.com www.smartstormgroup.com...
  • Page 2: Table Of Contents

    7.3. Telemetry Options for the Avocet 9000 ..............27 RF Modem Connections ....................28 Mounting Bracket ......................29 10. Knowledge Document ...................... 30 11. Declaration of Conformity ....................34 AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 1 of 34...
  • Page 3: Specifications

    4-20 mA which encodes the blanket depth as a percentage of the tank depth. 2 trip point programmable relays. Features The self-purging sensor reduces difficulties due to fouling. The system is essentially non-invasive. Table 1.1 – Device Specifications AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 2 of 34...
  • Page 4: General Information

    However, Smart Storm assumes no responsibility for any inaccuracies that may be contained in this manual. In no event will Smart Storm be liable for direct, indirect, special, incidental or consequential damages resulting from any defect or omission in this manual, even if advised of the possibility of such damages.
  • Page 5: Use Of Hazard Information

    This symbol, when noted on the product, identifies the location of the connection for Protective Earth (ground). This symbol, when noted on the product, identifies the location of a fuse or current limiting device. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 4 of 34...
  • Page 6: Wiring And Handling Precaution

    NOTICE Delicate internal electronic components can be damaged by static electricity, resulting in indeterminate instrument performance or eventual failure. Smart Storm recommends taking the following steps to prevent ESD damage to your instrument: • Before touching any instrument electronic components (such as printed circuit cards and the components on them) discharge static electricity from your body.
  • Page 7: Introduction

    A blast of either water or compressed air is forced across the sensor face causing the obstructing matter to be removed. This auto purge increases the time between any routine maintenance requirements. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 6 of 34...
  • Page 8: Installing The Avocet - 9000 Outstation

    Care should be taken as to where the Outstation is mounted on the bridge – see diagram on the next page (Figure 4.1). AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 7 of 34...
  • Page 9: Plan View Of Circular Sediment Tank

    Bridge with bottom scraper. Figure 4.1 Avocet-9000 Outstation Installation Position B is usually better than A but may depend on the dynamics of the tank. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 8 of 34...
  • Page 10: Programming Steps

    RUN MODE. The factory default password is 1. This can be changed latter in the menu by the user. Figure 5C Avocet-9000 Password AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 9 of 34...
  • Page 11: Programming The Sensor

    Once the desired value is displayed press the SET key to enter the value shown and continue. Figure 5.1A Avocet-9000 Head Face to Tank Bottom AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx...
  • Page 12 Peak Detection or Threshold Crossing algorithm programmed in the Detection Type menu selected when in the Set Up Processing menu. Below this threshold any value or peak detected is considered noise. Figure 5.1C Avocet-9000 Threshold Value AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 11 of 34...
  • Page 13: Save Settings

    If you select Yes, the unit will show the following screen momentarily. Figure 5.1.1B Avocet-9000 Settings Saved If you select No the unit will show the following screen momentarily. Figure 5.1.1C Avocet-9000 Settings Not Saved AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 12 of 34...
  • Page 14: Setup Processing

    This mode has all set- up parameters factory pre-set for optimum operation, except for the minimum peak height value setting. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 13 of 34...
  • Page 15: Detection Type

    This method is insensitive to the echo from the tank bottom being included in the analysis, so the tank bottom can be included in the sensor setup. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 14 of 34...
  • Page 16 As the noise varies with time the baseline will adjust to compensate for the varying noise levels. The Absolute option sets the threshold relative to a zero-return signal (i.e. a noise free return signal). AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 15 of 34...
  • Page 17: Pre-Processing

    4 to 20mA outputs. Increasing the value will damp the system response. Enter the history length required then press the SET key to return you to the Pre- processing menu. The allowed length is from 1 to 32. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 16 of 34...
  • Page 18 Scroll using the UP and DOWN keys to the appropriate length and press the SET key to return you to the Pre-processing menu. The allowed values are 1 to 16. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 17 of 34...
  • Page 19: Display Scale

    Select the number of sample sets to be used in the selected filter type from the previous step (median or average filter type). The allowed values are 1 to 256 echo samples. Press the SET key to return you to the Pre-processing menu. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 18 of 34...
  • Page 20: Setting The Run Mode

    Selecting the Run Mode option will exit the programming menu and start the unit running. Figure 5.2.6 Avocet-9000 Run Mode 5.3. Return to Setup Menu Return to the setup menu to programme the remaining parameters. Figure 5.3 Avocet-9000 Setup Menu AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 19 of 34...
  • Page 21: Programming The Relays

    Figure 5.3.1B Avocet-9000 High/Low Alarm Once the relay mode has been selected enter the relay ON level using the UP and DOWN keys to set the value. Figure 5.3.1C Avocet-9000 RELAY On Level AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 20 of 34...
  • Page 22 Selecting NO will return you back to the Setup Menu without making any changes to the original settings. In both cases the instrument will momentarily show an appropriate message. Figure 5.3.1E Avocet-9000 Save Setting AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 21 of 34...
  • Page 23: Programming The Cleaning Cycle

    This pump can be supplied by Smart Storm, but any large Aquarium type pump will suffice. To program the head cleaning cycle, scroll to the Setup Cleaning option in the Setup Menu and press the SET key.
  • Page 24: Set Date And Time

    Save Settings: Selecting YES will make the changes permanent. Selecting NO will return you back to the Setup Menu without making any changes to the original settings. In both cases the instrument will momentarily show an appropriate message. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 23 of 34...
  • Page 25: Setting A New Password

    Selecting this option will turn on each of the four relays with each key press. The associated LED on the front panel will also be lit. This can be used to check the functionality of equipment controlled by the relays. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 24 of 34...
  • Page 26: Test Adc

    5.4.4 Show Password Selecting this option will show the current password set by the user. Press any key to return to the Engineering Menu. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 25 of 34...
  • Page 27: Comms Stream - On -Off

    4 Set the Tank type to High Density Sludge. 5 Set the minimum peak Height detection to zero. 6 Adjust the Display Scale to show the sludge level without filling the tank display screen AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 26 of 34...
  • Page 28: Outputs And External Connections

    Base station using either the RS 232 connections or an additional “bolt-on” radio module available as an option. For further details please contact Smart Storm Ltd. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 27 of 34...
  • Page 29: Rf Modem Connections

    PC USB. To Test RF Modems, use Comport tool kit or similar. RF Modems COM Port set to default. Baud Rate: 9600 bps, Data Bit: 8 bit Parity Bit: No Parity Stop Bit: 1 stop bit. Flow Control: None AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 28 of 34...
  • Page 30: Mounting Bracket

    9. Mounting Bracket Figure 9 Avocet-9000 Mounting Bracket AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 29 of 34...
  • Page 31: Knowledge Document

    Depending on the density of the layers is the strength of the echo returned which the sensor captures. Therefore, the user will have to know how the density of the sludge to be monitored settles in the tank. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 30 of 34...
  • Page 32 Threshold Offset. Relative implies it compares the echo sampled with the value set in Threshold Offset plus minimum value in the entire sample echo buffer AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 31 of 34...
  • Page 33 In the low-density sludge mode, running average is the filter used and in the high-density mode median filter is used. The length of both filters is the length input by user in Setup Processing->Damping->Filter Length. Allowed values are 1 to 256. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 32 of 34...
  • Page 34 Blanking Distance, if the Min. Peak Height is set lesser than the amplitude of the echo found at the Blanking Distance. Min. Peak Height should be adjusted appropriately. AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx page 33 of 34...
  • Page 35: Declaration Of Conformity

    S.I. 2016/1091 The Electrical Equipment (Safety) Regulations 2016 -UKCA We also declare that the products: Named above are of UK origin and are manufactured and tested to Smart Storm internal quality standards defined in the company’s formal ISO9001:2015 quality manual. Dr John Duffy Managing Director AVOCET-9000 INSTRUCTION MANUAL V1.49 SD 19-09 2.docx...

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