Racelogic USER GUIDE Instrukcja Użytkownika Pobierz pdf (Strona 15)

Page | 15 Revision 1.4 15 January

2015

Expansion connector

The EXPANSION connector on the rear of LabSat 3 gives access to a number of signals including CAN Bus,

RS232, 1PPS & Digital input/output. Accessory RLACS202 is used to provide user signal access for

integration into the users test system. Pin functions are as follows:-

Number

Name

I/O

Function

1PPS

Signal from Internal GNSS monitor. Becomes active when monitor is locked.

5V Level. 25mA

DIGO

User digital output. 5V Level. 25mA max

DIGI

User digital input. Up to 12 V input level. Detection threshold=2.5V

CAN 1 H

I/O

CAN Bus High Channel 1 – Standard ISO11898 voltage signal levels for CAN

CAN 1 L

I/O

CAN Bus Low Channel 1 – Standard ISO11898 voltage signal levels for CAN

CAN 2 H

I/O

CAN Bus High Channel 2 – Standard ISO11898 voltage signal levels for CAN

CAN 2 L

I/O

CAN Bus Low Channel 2 – Standard ISO11898 voltage signal levels for CAN

I2C SDA

I/O

I2C Bus Data – Reserved for future use

I2C SCL

I/O

I2C Bus Clock – Reserved for future use

I2C VCC

I/O

I2C Bus voltage level – Reserved for future use

RS232 Tx

RS232 data output. NMEA Data from GNSS monitor or User RS232 data if

enabled. Standard RS232 Level.

RS232 Rx

User RS232 data which is recorded if RS232 is enabled in Digital configuration

menu. Standard RS232 Level.

Ground

Ground Connection

Ground

Ground Connection

Ground

Ground Connection

IO_0

I/O

Reserved

IO_1

I/O

Reserved

IO_2

I/O

Reserved

IO_3

I/O

Reserved

Ground

Ground Connection

Ground

Ground Connection

Power

Connected to input power – Max 250mA

Power

Connected to input power – Max 250mA

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