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Installation – Floscan Series 9700/97000 Standard Flow GPS Interface System (twin engine model) User Manual

Page 27

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7/23/1998

9000-011-00

FloScan Instrument Company, Inc.

Tel:

(206)

524-6625

Fax:

(206) 523-4961

3016 NE Blakeley Street, Seattle, WA 98105

Email:

[email protected]

Http://www.floscan.com

INSTALLATION

Series 9500/9600 Multifunction Instrument
Diesel - NMEA 0183 Input


This unit conforms to NMEA 183, Version 1.5 and 2.0 interface standards and requires a message that includes “GPRMC” or
“LCRMA”. Check your owners manual to verify your GPS / LORAN-C includes this information. To insure an easy trouble free
installation, read all instructions before starting

Wiring:

NMEA 0183 Connections:

1. Refer to the electrical wiring section of the GPS / LORAN-C Owner’s Manual for the proper procedure to connect your

GPS/LORAN-C to NMEA 183 devices. Use shielded wire between instruments and ground the shield ONLY at the GPS /
LORAN-C (sender end), not at the FloScan instrument end (receiver end). The shield is not to be used as a ground path.


2. Connect the WHITE/ORANGE wire (terminal #15, FloScan instrument) to the NMEA “A” (BNC center terminal) terminal

coming from your GPS / LORAN-C instrument.


3. Connect the GREEN/BLACK wire (terminal #7, FloScan instrument) to the NMEA “B” (BNC shield) terminal coming from

your GPS / LORAN-C instrument.


4. Connect the GRAY wire (terminal #2, FloScan instrument) to one terminal of a single pole, single throw switch. Connect the

BLACK wire (terminal #13, FloScan instrument) to the other terminal.


5. For single engine installations, the RED wire (terminal #1) is not used and should be taped off.

Calibration:

1. See your GPS / LORAN-C owners manual and set output for NMEA 0183. Speed is always sent as speed over ground in knots

no matter what units your GPS / LORAN-C displays.


2. Fuel flow rate used in the MPG calculation is automatically done when the totalizer(s) are calibrated. To calibrate, see the

Totalizer calibration instruction page.

MPG/GPH Operation:

With the MPG/GPH switch in the OFF position, your instrument displays engine fuel flow (in twin engine installations, each
instrument displays fuel rate and total consumption only for the engine on which it is installed). In the ON position, fuel mileage
(speed over ground in Knots /all fuel being consumed) is shown as “0.00 ” to “9.99 ”, then “10.0 ” to “99.9 ”. You must have
valid NMEA 0183 speed and a total flow rate of at least 0.1 GPH (LPH) to display fuel mileage or you receive an error code:

Error Codes:

Display Reason

Cause

OFF

No signal activity present on NMEA 0183 terminals for four
seconds

GPS / LORAN-C OFF
NMEA OUTPUT not selected
Leads not connected
A & B leads reversed

- - -

Receiving valid NMEA 0183 Version 1.5 or 2.0 message,
speed message invalid.

GPS satellite reception is poor
GPS / LORAN-C in startup mode

- 0 -

Fuel flow reading below 0.1 GPH (LPH) (twin-both
engines). Valid NMEA 0183 speed message present.

Engine(s) not running
Fuel flow reading problem.

Er1

Some pulsing activity present. No valid NMEA 0183
message received in last four seconds.

Leads connected to wrong source
GPS / LORAN-C set to NMEA 0180 or 0182
A & B leads reversed.

Er2

NMEA message detected. Missing “GPRMC” or “LCRMA”
sentence.

GPS / LORAN-C incompatible with NMEA 0183, ver. 1.5 or
newer





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