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Pilz PNOZ mmc1p ETH User Manual

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Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: +49 711 3409-0, Telefax: +49 711 3409-133, E-Mail: [email protected]

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Contents

Contents

Contents

Page

Chapter 1 Introduction

1.1

Validity of documentation

1-1

1.1.1

Retaining the documentation

1-1

1.2

Overview of documentation

1-2

1.3

Definition of symbols

1-3

1.4

System requirements

1-4

Chapter 2 Communication via Modbus/TCP

2.1

Modbus/TCP - Basics

2-1

2.2

Modbus/TCP with PNOZmulti

2-2

Chapter 3 Modbus/TCP - Data areas

3.1

Overview

3-1

3.2

Function codes

3-2

3.3

Data transfer limits

3-3

3.4

Assignment of data areas

3-4

3.4.1

Virtual inputs

3-4

3.4.2

Control Register

3-5

3.4.3

Virtual outputs

3-6

3.4.4

LEDs

3-7

3.4.5

Configuration

3-7

3.4.6

State of the inputs from the base unit and
expansion modules

3-10

3.4.7

State of the outputs from the base unit and
expansion modules

3-11

3.4.8

LED status

3-12

3.4.9

Diagnostic word, element types

3-14

3.4.10

Current state of the virtual inputs

3-22

3.4.11

State of process data

3-23

3.5

Updating the data areas

3-24

3.6

Bit addressing in a Register

3-25

Chapter 4 Application example

4.1

Modbus subscriber

4-1

4.2

Data exchange via Modbus/TCP

4-2

4.3

Device configuration

4-5

4.3.1

Modular safety system PNOZmulti

4-5

4.3.2

PSSu system in the automation system
PSS 4000

4-6

4.3.3

Operator terminal PMI

4-9