Manual Automation Systems S7-300, ET 200M Ex I/O Modules A5E00172008-08; Edition 06/2005\nThis manua

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Specifications	Manual Automation Systems S7-300, ET 200M Ex I/O Modules A5E00172008-08; Edition 06/2005\nThis manual is part of the documentation package\nwith the order num\ ber: 6ES7398-8RA00-8BA0 A&D AS SM ID
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SIMATIC S7 Ex Analog Modules 3.6 Using thermocouples S7-300, ET 200M Ex I/O Modules 3-32 Manual, Edition 06/2005, A5E00172008

Specifications	Manual Automation Systems S7-300, ET 200M Ex I/O Modules A5E00172008-08; Edition 06/2005\nThis manual is part of the documentation package\nwith the order num\ ber: 6ES7398-8RA00-8BA0 A&D AS SM ID
Outline	Back to home Retour à la page de garde Torna alla pagina iniziale Volver a Inicio Title Preface Table of contents 1 Mechanical Configuration of an Automation System with SIMATIC S7 Ex Modules 1.1 Use 1.2 Fundamental Guidelines and Specifications 1.3 The LK 393 line chamber 1.4 Configuration of an S7-300 with Ex I/O Modules 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.7.1 General information 1.7.2 Marking of Cables and Lines of Intrinsically Safe Circuits 1.7.3 Wiring and Cabling in Cable Bedding Made of Metal or in Conduits 1.7.4 Summary of Requirements of DIN EN 60079-14 1.7.5 Selecting the cables and wires in accordance with EN 60079-14 1.7.6 Types of cables 1.7.7 Requirements of Terminals for Intrinsically Safe Type of Protection 1.9 Lightning Protection 1.9.1 Measures 1.9.2 External Lightning Protection/Shielding of Buildings 1.9.3 Creating distributed systems with S7-300 and ET 200M 1.9.4 Shielding of Cables and Buildings 1.9.5 Equipotential Bonding for Lightning Protection 1.9.6 Overvoltage Protection 1.9.7 Example of Lightning and Overvoltage Protection 1.9.8 Lightning Strike 1.10 Installation Work in Hazardous Areas 1.10.1 Safety Measures 1.10.2 Use of Ex Assemblies in Hazardous Zone 2 1.10.3 Use of Ex Assemblies in Hazardous Zone 1 1.5 Configuration of an ET 200M with Ex I/O modules 1.6 Equipotential Bonding in Systems with Explosion Protection 1.7 Wiring and Cabling in Ex Systems 1.8 Shielding and Measures to Counteract Interference Voltage 1.9 Lightning Protection 1.10 Installation Work in Hazardous Areas 1.11 Maintenance of Electrical Apparatus B Standards and licenses Glossary Index Product Information A5E00201782-03 Product Information A5E00291373-02 Product Information A5E00336417-01
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Content	SIMATIC S7 Ex Analog Modules 3.6 Using thermocouples S7-300, ET 200M Ex I/O Modules 3-32 Manual, Edition 06/2005, A5E00172008-08 Operating principle of thermocouples If the measuring junction is subjected to a different temperature than at the free ends of the thermocouple (connection point), a voltage, i.e. the thermal e.m.f., is produced between the free ends. The value of the thermal e.m.f. depends on the difference between the temperature at the measuring junction and the temperature at the free ends as well as on the type of material combination used for the thermocouple. Since a temperature difference is always recorded with a thermocouple, the free ends must be kept at a known temperature at a reference junction in order to determine the temperature of the measuring junction. Extension to a reference junction Thermocouples can be extended from their connection point by equalizing conductors up to a point with known temperature (reference junction). The material of the equalizing conductors has the same thermal e.m.f. as the wires of the thermocouple. The conductors leading from the reference junction up to the analog module are made of copper. Using thermostatically controlled terminal boxes It is possible to use temperature-compensated terminal boxes. Use boxes with reference junction temperatures of 0 °C or 50 °C when using thermostatically controlled terminal boxes. Compensation of thermocouples External or internal compensation can be adopted depending on where (locally) you require the reference junction. In the case of external compensation, the temperature of the reference junction for thermocouples is taken into consideration by means of a compensation box or thermal resistor. In the case of internal compensation, the internal terminal temperature of the module is used for the comparison. External compensation The temperature of the reference junction can be compensated by means of a compensating circuit, e.g. by a compensation box. The compensation box contains a bridge circuit which is calibrated for a certain reference junction temperature (compensating temperature). The terminal connections for the ends of the equalizing conductor of the thermocouple form the reference junction. If the actual reference temperature deviates from the compensating temperature the temperature-dependent bridge resistance will change. A positive or negative compensation voltage is produced which is added to the thermal e.m.f. Compensation boxes with a reference junction temperature of 0 °C must be used for the purpose of compensating the analog input modules. A further external compensation option is to record the reference junction temperature with a thermal resistor in the climatic range (e.g. Pt 100).
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Manual Automation Systems S7-300, ET 200M Ex I/O Modules A5E00172008-08; Edition 06/2005\nThis manual is part of the documentation package\nwith the order num\ ber: 6ES7398-8RA00-8BA0 A&D AS SM ID

Manual Automation Systems S7-300, ET 200M Ex I/O Modules A5E00172008-08; Edition 06/2005\nThis manual is part of the documentation package\nwith the order num\ ber: 6ES7398-8RA00-8BA0 A&D AS SM ID