Installation

Gateway System Speciﬁcations:

Operation voltage:

+12 V DC or +24 V DC

+12 V DC (10 V DC (Min.) to 16 V DC (max.))

+24 V DC (20 V DC (Min.) to 32 V DC (max.))

Maximum Current with maximum backlight: < 1500 mA @ 12 V DC Minimum Current at switch off status:

<10 mA @ 12 V Operational temperature:

-40˚ F to 185˚ F (-40˚ C to 85˚ C) Storage temperature:

-40˚ F to 185˚ F (-40˚ C to 85˚ C)

System Description

♦There are three push buttons (Mode, UP, and DOWN) for selecting different message screens, changing the instrument lighting intensity, disabling audible alarm, etc.

♦Audible and visual alarms. The LCD will display Warning messages while an audible “beep” occurs.

♦The Gateway is environmentally

sealed, and is water resistant per SAE J1960 paragraphs 4.6.2, 4.7.1.2 and 4.8.1.2.

♦Faria® serial bus gauges/light arrays can be connected up to 120 feet (40 meters) from the gateway box.

Turning the Gateway System

ON/OFF

When the “ignition” switch is turned to the “on” position, the system is turned on. When “ignition” switch is turned to the “off” position, the system will turn off.

When the system is turned on, the pointer on each of the instruments will be driven to its most counter clockwise position, all positions in warning arrays will light, and all LCD segments on the 5” tachometer are activated for 2 seconds. These actions provide a quick check of system operation. After this “boot-up” display, all instruments, warning light arrays and LCD screen will change to normal operating mode.

See Appendix 1: “Installation and Wiring” at the end of this manual.

System Operation:

After installation in accordance with the instructions and recommendations in the Installation section (see Appendix 1), the system is functional.

Tachometer / Fuel Management

The Serial Bus Tachometer / Fuel Monitor instrument provides both the functions of a tachometer and a fuel and engine monitoring system.

The analog tachometer is a stepper motor instrument which looks like a standard analog device but which is actually a digital instrument. On small pointer movements you may occasionally see the pointer moving in the one-third degree “steps” that represent the accuracy of the instrument.

The LCD shows messages, like engine hours, system voltage, and engine alarm conditions.

In order to minimize “false” alarms, the “low voltage” alarm only functions when the engine is known to be running based on the presence of tachometer data.

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