ETAS PB1651PWM1 Manual de usuario

PB1651PWM1 Module

User’s Guide

PB1651PWM1 Module2

The data in this document may not be altered or amended without special

notification from ETAS GmbH. ETAS GmbH undertakes no further obligation in

relation to this document. The software described in it can only be used if the

customer is in possession of a general license agreement or single license.

Using and copying is only allowed in concurrence with the specifications stip-

ulated in the contract.

Under no circumstances may any part of this document be copied, repro-

duced, transmitted, stored in a retrieval system or translated into another lan-

guage without the express written permission of ETAS GmbH.

The names and designations used in this document are trademarks or brands

belonging to the respective owners.

R1.0.2 EN - 03.2007 TTN F 00K 103 877

Contents 3

Contents

1Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 Features and Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2Hardware Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1 Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2 Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

2.3 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.4 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3Pin Assignment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

5ETAS Contact Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Contents4

Introduction 5

1 Introduction

This User's Guide contains the description of the PB1651PWM1 Module.

It consists of the following chapters:

• "Introduction" on page 5

– "Features and Applications" on page 5

– "Block Diagram" on page 7

• "Hardware Features" on page 8

– "Outputs" on page 8

– "Inputs" on page 9

– "Configuration" on page 10

– "LEDs" on page 10

• "Pin Assignment" on page 12

• "Technical Data" on page 14

1.1 Features and Applications

The PB1651PWM1 Module is used to generate and measure PWM and digital

signals. It can be used both with the ES1651 Carrier Board (VMEbus) and with

the ES4350 Carrier Board (VXIbus).

The PB1651PWM1 Module has 24 input channels and 16 output channels

which can all be configured as PWM or digital I/O channels.

Introduction6

The following figure shows the front panel of the PB1651PWM1 Module.

Fig. 1-1 Front Panel of the PB1651PWM1 Module

RDER CH

INPUT 0-23 / OUTPUT 0-15

ETAS

PB1651

PWM1.1

Introduction 7

1.2 Block Diagram

The following figure shows the block diagram of the PB1651PWM1 Module.

Fig. 1-2 Block Diagram of the PB1651PWM1 Module

Module Interface

PWM

Generation

Unit

PWM

Measurement

Unit

CH0

CH15

CH23

CH0

In_Ref_1

In_Ref_2

In_CH0

Out_Ref_1

Out_Ref_2

Out_CH0

Out_GND

In_GND

Hardware Features8

2 Hardware Features

This section contains a description of the inputs and outputs of the

PB1651PWM1 Module.

2.1 Outputs

Each of the 16 outputs can be configured either as a TTL, UBatt or Open

Collector output. Each channel has two ”high-side” drivers and one

”low-side” driver (see Fig. 2-1 on page 8).

The outputs have a resolution of 0.02% in the range 0 to 10 kHz and 0.2% in

the range 0 to 100 kHz. The maximum output current per channel is 100 mA

– the outputs are protected against overvoltage to +60 V.

The output voltage level is determined by two external supply voltages to be

specified.

The following figure shows the block diagram of the outputs.

Fig. 2-1 Block Diagram of the Outputs

CH 0 CH 15

Out_GND

Out_CH0 Out_CH15

Out_Ref_1

Out_Ref_2

Hardware Features 9

2.2 Inputs

There are the following measuring modes for the 24 measuring inputs:

• Pulse width measuring

• Additive pulse width measuring

• Pulse and edge counting

• Frequency and cycle time measuring

• Duty cycle measuring

• Level measuring

These measuring procedures are described in the Real-Time Execution

Connector V1.5 User’s Guide.

The input voltages refer to two external reference voltages which are supplied

via the front-facing connector. The threshold voltage for edge detection is

In_Ref_1/2 * 0.5.

The inputs have overvoltage protection to +60 V.

The following figure shows the block diagram of the inputs.

Fig. 2-2 Block Diagram of the Inputs

In_GND

In_Ref_1

In_Ref_2

R R

To Measurement PLD

In_CHx

Hardware Features10

2.3 Configuration

Signal output is configured and controlled by the Real-Time Execution

Connector and LABCAR-OPERATOR. A hardware configuration of the module

is not necessary.

2.4 LEDs

There are 3 LEDs on the front panel of the PB1651PWM1 Module, the

meaning of which is described below.

Fig. 2-3 LEDs on the Front Panel

The LEDs of the PB1651PWM1 Module have the following significance.

Driving the ”CH” LED

The driving source of the ”CH” LED can be configured in the software – one

of the 24 input channels or ”RTIO” can be set as the control source.

If an input channel is set as the driving source, the LED lights up when the

channel level is high and does not light up when the channel level is low. If

”RTIO” is set as the driving source, the LED can be powered on/off by the

simulation model.

The ”LED Driving Source” parameter is described in the Real-Time Execution

Connector V1.5 User’s Guide.

Display of the Version Number of the I/O Modules

When the signal box is powered on, the I/O modules show the version number

via the ”RD” and ”CH” LEDs. The version number consists of three parts (e.g.

2.1.3). First of all, the ”RD” LED flashes twice (”CH” LED off). Then the ”RD”

LED flashes once (”CH” LED lights up). Then the ”RD” LED flashes three times

(”CH” LED off).

LED Color Meaning

ER Red Error

RD Green Ready

CH Green Can be configured using the software (see the

section ”Driving the ”CH” LED” later in this chapter)

Tab. 2-1 Significance of the LEDs

RDER CH

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