Pilz PNOZ mmc1p ETH User Manual download pdf (Page 3)

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]

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

1 2 3 4 5 6 7 8 ... 46 47

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