J1708 contactless reader - contactless reader option allows the Xirgo Global devices to read vehicle J1708 bus data without any actual metal to metal connection. It is used in heavy duty vehicles (Renault and Volvo) that supports J1708 communication protocols.

XG37 Series

Light+
XtCAN
Tacho

LX40 Series

LX43
LX45

XG47 Series

XG47 RS232
XG47 CAN

1. Physical Connection

J1708 wireless reader wire color coding:

Red

Black

Orange

Orange/Black

+V power

Ground

RS485 A

RS485 B

Connect reader as in schematics below:

2. Adjustments in Configuration

there is two versions of script due to slight differences in how vehicles report data. j1708_1.0.2_volvo for Volvo and j1708_1.0.1 for Renault vehicles

2.1. Adding Script

In configuration template ‘Script'->’Script1'->'Script' select ‘j1708_1.0.2_volvo’ script. When script is added script settings will appear below. If script is not present in script list contact out support team.

2.2. Configuring PID’s

In newly appeared section 'j1708 PID list' select on which sensors which parameters needs to be saved.

Available parameters are ‘Secondary Fuel Level', ‘Road Speed’, ‘Engine Coolant Temperature’, ‘Instant Fuel Rate’, ‘Total Vehicle Distance’, ‘Total Engine Hours’, 'Total Fuel Used’.

2.3. Displaying in Monitoring Platform

For more in depth configuration of device configuration visit Quick Set Up Of Configuration

For device to report sensor values to telemetry platform sensors needs to be included into telemetry payload.

3. Technical Specifications

Mechanical	Dimensions	50 mm W x 12 mm H x 24 mm D 2” W x 0.5” H x 0.9” D
	Weight	J-1708 Reader nly 9 g, Full Set 16g
	Housing material	PC - Polycarbonate
	Fastening method	Supplied zip ties
Electrical	Input Voltage	8-31V DC
	Power Consumption	Idle - 7 mA
	Data Interface	RS485
	Bit Rate	Up To 256 kbit/s
Environmental	Operating Temperature	-40° to +85° C