Table of Contents • viiWAGO-I/O-SYSTEM 750ETHERNET TCP/IP5.1.5 Special Modules .............................................................................. 1675.1.6 System Modules .............................................................................. 1685.2 Process Data Architecture for MODBUS/TCP .................................... 1685.2.1 Digital Input Modules...................................................................... 1695.2.2 Digital Output Modules ................................................................... 1715.2.3 Analog Input Modules ..................................................................... 1755.2.4 Analog Output Modules .................................................................. 1765.2.5 Specialty Modules ........................................................................... 1775.2.6 System Modules .............................................................................. 1895.3 Process Data Architecture for EtherNet/IP .......................................... 1905.3.1 Digital Input Modules...................................................................... 1905.3.2 Digital Output Modules ................................................................... 1925.3.3 Analog Input Modules ..................................................................... 1965.3.4 Analog Output Modules .................................................................. 1985.3.5 Specialty Modules ........................................................................... 1995.3.6 System Modules .............................................................................. 2096 Application Examples ............................................................................. 2116.1 Test of MODBUS protocol and fieldbus nodes ................................... 2116.2 Visualization and control using SCADA software............................... 2117 Use in Hazardous Environments ........................................................... 2147.1 Foreword .............................................................................................. 2147.2 Protective measures.............................................................................. 2147.3 Classification meeting CENELEC and IEC......................................... 2147.3.1 Divisions.......................................................................................... 2147.3.2 Explosion protection group ............................................................. 2157.3.3 Unit categories................................................................................. 2167.3.4 Temperature classes......................................................................... 2167.3.5 Types of ignition protection ............................................................ 2177.4 Classifications meeting the NEC 500................................................... 2187.4.1 Divisions.......................................................................................... 2187.4.2 Explosion protection groups............................................................ 2187.4.3 Temperature classes......................................................................... 2197.5 Identification ........................................................................................ 2207.5.1 For Europe ....................................................................................... 2207.5.2 For America ..................................................................................... 2217.6 Installation regulations ......................................................................... 2228 Glossary.................................................................................................... 2249 Literature List ......................................................................................... 23610 Index ......................................................................................................... 237