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PC104

Navigator®-PC/104 User’s Guide

PMD 

Navigator-PC/104 Electrical Reference

5

5.2.8 Serial I/F Connector

The following connector is used during serial communications. The Serial I/F connector is a 6-position Molex

MLX Micro-4-SMD style connector.

Pin Connection

1

SrlEnable

2

SrlXmt

3

SrlRcv

4

GND

5

Vcc

6

n.c.

Description

Serial enable (only used

for RS422/485)

Serial transmit output

Serial receive input

Ground

+5V

No connection

For more information on communicating to the card by serial port, see the Navigator Motion Processor

User’s Guide.

5.3 Connections Summary - Motor Amplifiers

The Navigator card supports three methods of output to motor amplifiers:

DAC

PWM sign-magnitude

PWM 50/50

Analog signals from the on-board D/A converters

Pulse-width modulated signals with separate

magnitude and sign signals per output phase.

Pulse-width modulated square-wave signals with a

single PWM signal per output phase

In addition, each motor axis may have 1, 2, or 3 output phases associated with it. For DC brush motors, the

number of phases is one, while for multi-phase motors such as brushless DC or microstepping motors, the

number of phases can be 2 or 3, depending on the output waveform programmed into the Navigator

motion processor. For more information, see the Navigator Motion Processor User’s Guide.

The tables on the following pages provide convenient summaries of amplifier connections for various

configurations of motor output method and motor type. These outputs should be connected from the

designated connector pins to the appropriate amplifier inputs. Note that the names of the pins may vary

among amplifiers. Common names are shown.

Navigator-PC/104 User’s Guide

63

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