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RDS Technology Athene 100 User Manual

Belt spreader monitor/ variable rate controller
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Electro-Magnetic Compatibility (EMC)
This product complies with Council Directive 89/336/EEC
when installed and used in accordance with the relevant
instructions.
Service and Technical Support
PLEASE CONTACT YOUR NEAREST DISTRIBUTOR
If unknown then fax: 44 (0) 1453 733322
© Copyright RDS Technology Ltd 2003
Document number
S/DC/500-10-377 : Issue 2 : 10/7/03
\UK377-2.DOC
User Guide
Athene 100
Belt Spreader Monitor/
Variable Rate Controller
Calibration
Software Reference WZ812-000 rev.2
1

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  • Page 1 Service and Technical Support PLEASE CONTACT YOUR NEAREST DISTRIBUTOR If unknown then fax: 44 (0) 1453 733322 © Copyright RDS Technology Ltd 2003 Document number S/DC/500-10-377 : Issue 2 : 10/7/03 \UK377-2.DOC User Guide...

  • Page 2: Table Of Contents

    ATHENE 100 – SPREADER RATE CONTROLLER Contents Overview_________________________________________4 Calibration on Installation _________________________5 Forward Speed Sensor Setup ............... 5 2.1.1 ‘Autocal’................... 5 2.1.2 Programme Cal Factor manually............6 Belt/Gate Setup ..................... 7 2.2.1 Valve Autosetup Routine ..............7 2.2.2 Start up PWM ................... 7 2.2.3...
  • Page 3 ATHENE 100 – SPREADER RATE CONTROLLER Other Calibration Settings _______________________ 18 Hopper Setup....................18 4.1.1 Level Sensor Configuration ............18 4.1.2 Alarm On-Off ..................19 4.1.3 Set Hopper Current Volume ............19 4.1.4 Reset Hopper Current Volume to Maximum Volume.......20 4.1.5 Set Hopper Alarm Volume ..............20 4.1.6...

  • Page 4: Overview

    ATHENE 100 – SPREADER RATE CONTROLLER Overview There are two aspects of calibration :- Calibration procedures/system settings made less frequently or only on installation, and the Product calibration procedure as part of everyday operation. In addition to the normal display / operating mode the instrument has 4 calibration modes.

  • Page 5: Calibration On Installation

    ATHENE 100 – SPREADER RATE CONTROLLER Calibration on Installation After installation, first proceed to calibrate the forward speed sensor and the belt drive. Forward Speed Sensor Setup Cal Mode 1 – channel 1 Default = 1.000m (39.38 inches) The instrument must be programmed with the correct Speed Sensor Factor (S.S.F.).

  • Page 6: Programme Cal Factor Manually

    ATHENE 100 – SPREADER RATE CONTROLLER 5. Press the button again to complete the Autocal routine. The calibration factor is automatically calculated and stored in memory. 2.1.2 Programme Cal Factor manually Calculate as follows; (i) If a conventional wheel sensor with two magnets is installed, the Speed Sensor Factor is half the effective rolling circumference of the wheel.

  • Page 7: Belt/Gate Setup

    ATHENE 100 – SPREADER RATE CONTROLLER Belt/Gate Setup 2.2.1 Valve Autosetup Routine Cal mode 4 - Channel 6 (ref. Table 1) The valve auto-calibration routine establishes the startup PWM and maximum duty cycle for controlling the belt speed. is flashing) at the 1.

  • Page 8: Maximum Duty Cycle

    ATHENE 100 – SPREADER RATE CONTROLLER It should not normally be necessary to program this value as it will be determined with an ‘Autocal’ (see section 2.2.1). 2.2.3 Maximum Duty Cycle Cal mode 4 - Channel 4 (ref. Table 1) Range: 4 - 96%...

  • Page 9: Deadband

    ATHENE 100 – SPREADER RATE CONTROLLER If it is set too low, then the system will not respond quickly enough and the system will take longer to reach the target rate. is flashing) at the 1. Ensure the instrument is switched ‘out of work’ ( bottom of the display and then turn the instrument off.

  • Page 10: Millimetres Of Belt Per Pulse

    ATHENE 100 – SPREADER RATE CONTROLLER 2.2.7 Millimetres of belt per pulse Cal mode 2 - Channel 4 (ref. Table 1) Range: 0.000 - 99.99 Default: 30.00 mm (Display shows 30.00) This is the length the belt moves for every pulse from the belt drive encoder.

  • Page 11: Gate Width

    ATHENE 100 – SPREADER RATE CONTROLLER 4. HOLD the button to cycle each digit to zero. NOTE: When setting a value of 00.00 the instrument will revert to ‘monitor only’ mode. In the operating mode the instrument will not carry out proportional PWM control and the side indicator will not be seen.
  • Page 12 ATHENE 100 – SPREADER RATE CONTROLLER 3. QUICKLY PRESS and RELEASE the button to select the digit or decimal point to change, and... 4. HOLD the button to cycle each digit to zero. 5. RELEASE both buttons and the instrument will then return to the normal...

  • Page 13: Product Calibration

    ATHENE 100 – SPREADER RATE CONTROLLER Product Calibration Ensuring that the system applies the correct quantity of product is a simple matter of programming both the product density (kg/litre) and the appropriate gate height (mm) for the desired application rate (referring to the manufacturer’s calibration chart).

  • Page 14: Set Gate Height

    ATHENE 100 – SPREADER RATE CONTROLLER 3.1.2 Set Gate Height Cal mode 3 - Channel 5 (ref. Table 1) Default: 100 mm (Display shows 100) 4. Press to select the channel. 5. Use the button to adjust the gate height (10mm to 750mm max.) for the desired application rate according to the manufacturer’s...

  • Page 15: Faq's About Product Calibration

    ATHENE 100 – SPREADER RATE CONTROLLER FAQ’s about Product Calibration There is a small discrepancy in the amount applied. Possible Cause: Variable factors such as field conditions, nature of product etc. Remedy: You can “nudge” the density figure (3.3). There is a big discrepancy in the amount applied.

  • Page 16: Nudging The Product Calibration

    ATHENE 100 – SPREADER RATE CONTROLLER Nudging the Product calibration If you find a consistent discrepancy between the instrument weight reading and the actual weight dispensed, then either, leave the existing user-programmed density figure as it is and adjust the calibration by setting a “Nudge Factor”...

  • Page 17: Nudging The Density

    ATHENE 100 – SPREADER RATE CONTROLLER 3.3.3 Nudging the density Cal mode 3 - Channel 6 (ref. Table 1) Default: 100 (Display shows 100) 1. Switch the instrument off. 2. Select Cal Mode 3 by pressing the button and switching the instrument on again.

  • Page 18: Other Calibration Settings

    ATHENE 100 – SPREADER RATE CONTROLLER Other Calibration Settings Hopper Setup 4.1.1 Level Sensor Configuration Cal mode 2 - Channel 6 (ref. Table 1) Default: "Sensor" (Display shows ‘SenS’) Depending on the installation, level measurement is by one of two methods - A capacitive sensor is fitted in the side of the hopper to give a low level signal.

  • Page 19: Alarm On-Off

    ATHENE 100 – SPREADER RATE CONTROLLER 4.1.2 Alarm On-Off Cal mode 1 - Channel 6 (ref. Table 1) Default: "on” (Display shows “1”) If in "SenS" mode (see above) the alarm function can be enabled/disabled. Set to "0" to disable.

  • Page 20: Reset Hopper Current Volume To Maximum Volume

    ATHENE 100 – SPREADER RATE CONTROLLER 4.1.4 Reset Hopper Current Volume to Maximum Volume Cal mode 1 - Channel 6 (ref. Table 1) 1. Select the channel. 2. Press and hold the to reset the current figure to the maximum hopper volume.

  • Page 21: Rpm Sensor Setup

    ATHENE 100 – SPREADER RATE CONTROLLER 3. Press the button to select the channel. 4. PRESS and RELEASE the button to select the digit or decimal point to change, or... 5. HOLD the button to change the digit or move the decimal point.

  • Page 22: Under-Speed Alarm

    ATHENE 100 – SPREADER RATE CONTROLLER 4.2.2 Under-speed Alarm Cal mode 1 - Channel 5 (ref. Table 1) : Default = 2700 rpm (Display shows 2700) Normally it will be the PTO shaft speed or Spinner speed being measured, but can be any other rotating shaft depending on the application.

  • Page 23: Simulated Forward Speed

    ATHENE 100 – SPREADER RATE CONTROLLER Simulated Forward Speed Cal mode 3 - Channel 1 (ref. Table 1) Default = 8km/hr (Display shows 8.000) In the event that the forward speed sensor signal is lost for whatever reason (broken wire, faulty sensor etc), you can initiate a simulated speed signal to enable the control system to continue spreading.

  • Page 24: Units

    ATHENE 100 – SPREADER RATE CONTROLLER Units Cal mode 3 - Channel 2 (ref. Table 1) : Default = Kg/Ha (Display shows ----- This channel shows the currently selected units - either Kg/Ha or Tonnes/Ha. The selected units are indicated by the top row of segments for Kg/Ha, or the middle row for Tonnes/Ha.
  • Page 25 ATHENE 100 – SPREADER RATE CONTROLLER Product Application Gate Density Nudge Rate Height (kg/litre) Factor (if (kg/ha) (mm) applicable)
  • Page 26 ATHENE 100 – SPREADER RATE CONTROLLER 9/6/03 Original Issue 10/7/03 Revised formatting and additional descriptive information included ref: p.7, 9, 10, 11, 18, 19, 20, 21, 22, 23, 24,...

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