Shadin RS-232 Operating Manual
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Shadin RS-232 Operating Manual

Digital fuel management system with interface to loran-c and gps receivers with rs-232 output format
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™
Microflo-L
Digital Fuel
Management System
with interface to LORAN-C and GPS receivers with
RS-232 output format
OPERATING MANUAL
Single and Twin Engine Indicators
For P/N: 91204XT-38-D
Shadin

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Summary of Contents for Shadin RS-232

  • Page 1 ™ Microflo-L Digital Fuel Management System with interface to LORAN-C and GPS receivers with RS-232 output format OPERATING MANUAL Single and Twin Engine Indicators For P/N: 91204XT-38-D Shadin...

  • Page 2: Table Of Contents

    FUEL USED ...5 1.1.7 FUEL REMAINING...5 1.2 SYSTEM COMPONENTS...6 1.2.1 FUEL FLOW TRANSDUCER...6 1.2.2 LORAN-C OR GPS RECEIVER...6 1.2.3 PANEL MOUNTED UNIT ...6 1.3 TEST FUNCTION ...7 2. PREFLIGHT PROCEDURES...8 2.1 INITIAL PROGRAMMING ...8 2.2 PREFLIGHT CHECK ...9 2.3 NO FUEL ADDED...10 2.4 FUEL TANKS FULL ...10...
  • Page 3 3.2.1 NOT ENOUGH FUEL...14 3.2.2 RESERVE FUEL WILL BE USED...14 3.2.3 LOW ENDURANCE...14 3.2.4 LOW FUEL REMAINING...14 3.3 BRIGHTNESS CONTROL ...15 4. EMERGENCY PROCEDURES...15 5. ERROR MESSAGES ...16 6. CONFIGURATION DATA ENTRY...17 7. SPECIFICATIONS...24 8. WARRANTY INFORMATION ...26 6831 Oxford Street St.

  • Page 4: General Description

    This system is also capable of transmitting the fuel information to the Bendix/King KLN-88, KLN-90, and Garmin GPS navigation receivers, except the Garmin 100, for additional calculations and display of fuel management data. Microflo-L™ is set up to measure the flow of fuel in either gallons,...

  • Page 5: The System Provides

    Microflo-L™ calculates (under real wind conditions) the fuel necessary to reach the destination as selected on the Loran-C or GPS receiver by multiplying the fuel flow by the estimated time en route to the destination. intermediate waypoint is selected for navigation purposes,...

  • Page 6: Fuel Flow

    1.1.5 FUEL FLOW The system provides a digital readout of the fuel per hour to a tenth of a gallon up to 100 gallons and to the nearest gallon above 100 gallons. readout is to the nearest pound up to 999 lbs./hour and to the nearest 10 lbs.

  • Page 7: System Components

    1.2.2 LORAN-C OR GPS RECEIVER The Loran-C or GPS receiver provides ground speed, distance, and estimated time en route through the serial port. 1.2.3 PANEL MOUNTED UNIT All system electronics, function controls and digital displays are contained in a single instrument that mounts in a standard 2¼”...

  • Page 8: Test Function

    2) LT ( ): Loran or GPS Type (without signal, will display ‘LOF’) 3) The distance to waypoint or destination as shown on the Loran- C or GPS receiver to check the data interface integrity. (not available without signal) 4) Maximum usable fuel setting.

  • Page 9: Preflight Procedures

    2. PREFLIGHT PROCEDURES MICROFLO-L is a fuel flow measuring system and NOT a quantity-sensing device. determination of the usable fuel in the fuel tanks is a necessity. Therefore, it is imperative that the determined available usable fuel be manually entered into the system. 2.1.

  • Page 10: Preflight Check

    6. After reaching the correct total usable fuel figure, press the ENTER/TEST button and the computer will store that number as full fuel. The word “FUL” disappears and the computer will return to the operating mode. Release the ADD/FULL toggle switch.

  • Page 11: No Fuel Added

    Move the USED/REM toggle switch to the REM position. The system will display the fuel remaining on board. The pilot should confirm this figure with the actual fuel on board. 2.3 NO FUEL ADDED This automatically stores information concerning previous fuel levels, even in the case of a power down.

  • Page 12: Partial Fuel Added

    2.5 PARTIAL FUEL ADDED There are two methods to enter partial fuel: Ramping Method Add the amount of fuel from the refueling meter to the amount of fuel remaining. Enter the total using the following steps: 1. Move USED/REM toggle switch to REM position and hold. 2.

  • Page 13: Inflight Operations

    switch in the USED position and use the ENTER/TEST button to control the decrementing. Note: Adding or subtracting fuel by any method resets the fuel used value to zero. 3. INFLIGHT OPERATIONS 3.1 INSTRUMENT OPERATION 3.1.1 FUEL FLOW For Single Engine Aircraft: continuously on the left display window.

  • Page 14: Nautical Miles Per Gallon

    Loran-C (or GPS receiver) or the final destination (if the total distance record is provided in the serial message.) This assumes the aircraft ground speed and fuel flow remains constant and the aircraft remains on flight plan course.

  • Page 15: Not Enough Fuel

    3.2 WARNINGS 3.2.1 NOT ENOUGH FUEL When the rotary switch is in FUEL TO DEST. position, the information in the display window flashes if fuel on board is insufficient to reach either the destination selected as the active waypoint or the final destination (if that total distance record is provided in the serial message).

  • Page 16: Brightness Control

    3.3 BRIGHTNESS CONTROL The display brightness is controlled by the BRIGHT/DIM toggle switch. Moving the BRIGHT/DIM toggle switch to BRIGHT repeatedly will make the display brighter; moving it to DIM repeatedly will dim the display. The default brightness after power up is full brightness.

  • Page 17: Error Messages

    5. ERROR MESSAGES ERROR 1: Dues to the necessity of Group 1 settings, if the Flow Meter is set to Operate Mode and the checksum of Group 1 is bad, the display will flash: E1. This refers to Error 1, Group 1. The flow meter will not continue to function after this point, and will continue flashing E1, alerting the flow meter must be serviced.

  • Page 18: Configuration Data Entry

    6. CONFIGURATION DATA ENTRY Manual Entry Mode Ordinarily, the fuel flow indicator has been set up by the factory to match the K-factor of the supplied transducers and other set-up information. However, there are built-in provisions to change the set-up. Please be sure to define and document initial set-up before attempting to make changes.
  • Page 19 Group 1: Generally, Group 1 is set up by the distributor and contains information defined by the part number. However, although functions are defined here, do not change them without proper knowledge or they will affect performance of the indicator. Group 2: Group 2 must be set up by programming the unit in Manual Entry Mode.
  • Page 20 Locations of the switches for the Microflo are as follows: Component side of board Each switch has 16 positions, 0-9, A, B, C, D, E, F. Operation Mode vs. Entry Mode If Switch 1 is set to F and Switch 2 is set to E, the unit is in Entry Mode.

  • Page 21: Values Displayed

    Manual Entry Mode There are two ways to access the Manual Entry Page. 1. Set Switches 1 and 2 to Entry Mode and power up. This allows access to both groups. 2. If the Switches are not set to Entry Mode, while running under normal conditions, press the TEST/ENTER button to start the test mode.
  • Page 22 The values displayed can be adjusted with the ADD/FULL toggle switch. ADD increments the value, and FULL decrements the value. As you hold ADD or FULL, the scrolling rate will increase up to a maximum speed. If you wish to jump directly into the fastest scrolling speed, while holding the ADD/FULL toggle switch, press the fuel USED or fuel REM button.
  • Page 23 The K-factor values displayed can be adjusted with the ADD/FULL toggle switch located at the lower right corner. ADD increments the value, and FULL decrements the value. Move the REM/USED switch at the upper right corner to the USED position to move to page “r” for the right engine in twin engine aircraft and repeat Step 5.
  • Page 24 2 = AirData, used to communicate with a Shadin Airdata 3 = Arnav, used to communicate with most Arnav Loran or GPS 4 = Trimble, used to communicate with most Trimble Loran 5 = Generic, used to communicate with most Garmin GPS Loran Input: 0 = Off...

  • Page 25: Specifications

    Fuel at Destination ELECTRICAL RATING Input Voltage: 14 – 28 VDC Input Current: 150mA @ 14 VDC to 28 VDC ELECTRICAL INTERFACE RS-232, Serial Data MECHANICAL RATING Weight: Panel unit: 8 oz. Dimensions: 2 ¼” x 4 ¼” Mounting: Instrument Panel...
  • Page 26 (+12VDC to Transducer) Right Fuel Flow Transducer Power (+12VDC to Transducer) Ground to Left/Right Fuel Flow Transducer TX RS-232 (to LORAN or GPS) Left/Single Fuel Flow Transducer Signal Right Fuel Flow Transducer Signal RX RS-232 (from LORAN or GPS) TRANSDUCER...

  • Page 27: St. Louis Park, Mn

    8. WARRANTY INFORMATION 6831 Oxford Street St. Louis Park, MN 55426 Limited Warranty Shadin warrants this instrument and system components to be free from defects in materials and workmanship for a period of one year from the user invoice date. Shadin will repair or replace any item under the terms of this Warranty, provided the item is returned to the factory prepaid.
  • Page 28 No representative is authorized to assume any other liability for Shadin in connection with the sale or resale of Shadin’s products. If you do not agree and accept the terms of this Warranty, you may return the product in new condition, with receipt, within thirty (30) days for a refund.
  • Page 29 Digital Fuel Management System Data (Microflo-L) Part Number: __________________________ Serial Number: __________________________ Left/Single Transducer Part or Kit Number: Left/Single Transducer Serial Number: Right Transducer Part or Kit Number: Right Transducer Serial Number: Installation Date: _________________________ Installed By: _________________________ Group 2 Configuration Selections Serial Output Type Serial Input On/Off Endurance Warning Time...
  • Page 30 P/N OP91204-38E 6831 Oxford Street St. Louis Park, MN 55426-4412 Sales Tel: Tech Support Tel: International Tel: Main/Sales Fax: Tech Support Fax: Sales E-Mail: Tech Support E-Mail: Web Site: U.S.A. (800) 328-0584 (800) 388-2849 (952) 927-6500 (952) 924-1111 (952) 924-1122 sales@shadin.com techsupt@shadin.com www.shadin.com...

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