iv • Table of ContentsWAGO-I/O-SYSTEM 750ETHERNET TCP/IP7 Ethernet/IP (Ethernet/Industrial Protocol) .......................................... 1877.1 General ................................................................................................. 1877.2 Characteristics of the Ethernet/IP Protocol Software........................... 1887.3 Object model ........................................................................................ 1898 Application examples .............................................................................. 2108.1 Test of MODBUS protocol and fieldbus nodes ................................... 2108.2 Visualization and control using SCADA software............................... 2109 Use in Hazardous Environments ........................................................... 2139.1 Foreword .............................................................................................. 2139.2 Protective measures.............................................................................. 2139.3 Classification meeting CENELEC and IEC ......................................... 2139.4 Classifications meeting the NEC 500................................................... 2179.5 Identification ........................................................................................ 2199.6 Installation regulations ......................................................................... 22110 Glossary.................................................................................................... 22311 Literature List ......................................................................................... 23512 Index ......................................................................................................... 236