User's Manual

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FCC ID: M5ZEPX1

Installation and Operation Instructions for the Engine Parameter Transmitter Model EPX-1.

Point Six, Inc.

Wireless Engine Parameter Transmitter

Model WOW-EPX1

Installation and Operation Instructions

The WOW-EPX1 wireless engine parameter transmitter transmits engine temperature, air

pressure, oil pressure, RPM, Runtime in hours and a unique serial number to a 418 MHz

receiver. The EPX1 is enclosed in a 4X4X2 PVC enclosure for direct attachment to the

firewall of the engine compartment. A 12-pin screw connector provides connection to

12V dc power, air and oil pressure sensors, engine temperature sensor and RPM sensor.

A backup battery provides means to transmit status when primary power is lost.

Application: Attach the PVC enclosure to the engine compartment firewall with bolts

placed through the four-flange holes on the sides of the PVC junction box. Attach the

engine sensors as is indicated on the enclosure lid drawing. The EPX-1 operates on 12

Volts DC . All sensors are provided power on the 12-pin quick disconnect screw

connector on the bottom face of the PVC enclosure.

Battery: A 3.0-3.6 Volt lithium battery powers the WOWEPX1 wireless engine

parameter transmitter whenever primary power is lost. The battery will last for more than

10 years in the idle state (primary power applied). The WOWEXP1 will provide backup

function for as long as 2 years at a rate of once each minute once placed in backup

transmission mode. The user cannot replace the battery. The EPX-1 may be placed in a

quiescent state (battery life greater than 10 years and no transmissions) by removing the

runtime backup iButton from the socket on the top surface of the PCB electronics.

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES, OPERATION IS

SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY

NOT CAUSE HARMFUL INTERFERENCE AND (2) THIS DEVICE MUST ACCEPT

ANY INTERFERENCE RECEIVED, INCLUDING INTERF

ERENCE THAT MAY

CAUSE UNDESERED OPERATION

FCC ID: M5ZEPX1

MADE IN USA

Summary of content (4 pages)

PAGE 1
FCC ID: M5ZEPX1 Installation and Operation Instructions for the Engine Parameter Transmitter Model EPX-1. Point Six, Inc. Wireless Engine Parameter Transmitter Model WOW-EPX1 Installation and Operation Instructions The WOW-EPX1 wireless engine parameter transmitter transmits engine temperature, air pressure, oil pressure, RPM, Runtime in hours and a unique serial number to a 418 MHz receiver. The EPX1 is enclosed in a 4X4X2 PVC enclosure for direct attachment to the firewall of the engine compartment.
PAGE 2
Wireless Temperature Sensor Data Format The Point Six, Inc. 418 MHz wireless transmitters require a compatible receiver with the ability to receive, error check and provide RS232 and RS422/485 interface. This document describes the data format provided by the HA8-WOW, HA9-WOW or HA10WOW 418 MHz. Receivers.
PAGE 3
The device type field: LSX has device type C5/45 hex. A C4/44 hex when in service mode. C5F1D61300050000070000BD2DE1 45F1D61300050000070000BD2DE1 string from an HA8 string from an HA9 The MS-30 bits of these 4-bytes are the Serial number of the EPX. The LS-2 bits are the status flags for the dc POWERSUPPLY. The LS bit (bit-0) is the is set to 1 when the 12 Volt DC power supply is present and 0 when it is not present.
PAGE 4
This field is the CRC-16 error check as was originally received and checked. This CRC is over the first 11 bytes of the packet starting with the device type and ending with inclusion of the temperature data. C1F1D61300050010560000BD2DE1 string from an HA8 This field is the mod 256 sum of all the ASCII character values in the response but does not include the . 91F1D61300050000070000BD2DE1 string from an HA8 This is the CR terminator, 0Dhex.