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4.2.5.2 ETH-BA-2EL.......................................................................................................... 175

4.2.5.3 ETH-BB-2FO......................................................................................................... 176

4.2.5.4 ETH-BD-2FO......................................................................................................... 176

4.3 Measuring-Transducer Modules.......................................................................................179

4.3.1 Overview...................................................................................................................179

4.3.2 ANAI-CA-4EL..............................................................................................................179

4.3.3 ARC-CD-3FO ............................................................................................................. 180

5 Working on the Device............................................................................................................................. 181

5.1 First Steps....................................................................................................................... 182

5.1.1 Electrical Inspection...................................................................................................182

5.2 Expanding Modular Devices............................................................................................ 184

5.2.1 Flush-Mounting Devices............................................................................................ 184

5.2.1.1 Basic Rules for Expanding..................................................................................... 184

5.2.1.2 Expanding 1st Device Row....................................................................................185

5.2.1.3 Expanding Devices with 2nd Device Row.............................................................. 186

5.2.2 Surface-Mounted Devices with Integrated On-Site Operation Panel............................ 188

5.2.2.1 Basic Rules for Expanding..................................................................................... 188

5.2.2.2 Expanding 1st Device Row....................................................................................190

5.2.2.3 Expanding Devices with 2nd Device Row.............................................................. 191

5.2.3 Surface-Mounted Devices with Detached On-Site Operation Panel..............................194

5.2.3.1 Basic Rules for Expanding..................................................................................... 194

5.2.3.2 Expanding 1st Device Row....................................................................................195

5.3 Plug-In Modules.............................................................................................................. 197

5.3.1 Fasteners...................................................................................................................197

5.3.2 Installation................................................................................................................ 197

5.3.3 Removing ................................................................................................................. 198

5.3.4 Replacement............................................................................................................. 200

5.4 Arc Sensors for Module: ARC-CD-3FO...............................................................................202

5.4.1 Point Sensor.............................................................................................................. 202

5.4.1.1 Description ......................................................................................................... 202

5.4.1.2 Installation ..........................................................................................................203

5.4.2 Line Sensor................................................................................................................205

5.4.2.1 Description ......................................................................................................... 205

5.4.2.2 Installation ..........................................................................................................205

5.5 Battery............................................................................................................................208

5.5.1 Description................................................................................................................208

5.5.2 Replacing the Battery.................................................................................................209

5.5.3 Environmental Protection Hints..................................................................................209

5.6 SDHC Memory Card ........................................................................................................211

5.7 Installing Current and Voltage Terminals......................................................................... 213

5.7.1 Description ............................................................................................................... 213

5.7.2 Connections of Current Terminals ............................................................................. 216

5.7.3 Connections of Voltage Terminals..............................................................................217

5.7.3.1 Connections of Voltage Terminals with Spring Clips ............................................. 217

5.7.3.2 Connections of Voltage Terminals with Screw Connection.................................... 218

5.7.3.3 Connections of Voltage Terminal with Screw Connection for IO111...................... 219

5.7.4 Installation and Removal............................................................................................219

6 Technical Data.......................................................................................................................................... 221

6.1 Analog Inputs................................................................................................................. 222

Table of Contents

12 SIPROTEC 5, Hardware Description, Manual

C53000-G5040-C002-M, Edition 12.2021