Eaton ARCON 2.0 Series, Operation And Configuration Instructions. Technical Description

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6. Functions ...................................................................................................... 38
6.1. Protection functions ..................................................................................................... 38
6.1.1. Arc (fault) protection ....................................................................................... 38
6.1.2. Circuit breaker failure protection stage ........................................................... 38
6.2. Measurements ............................................................................................................. 39
6.3. Output relay functions .................................................................................................. 39
6.4. Self-supervision ........................................................................................................... 39
6.5. BI/O bus interface ........................................................................................................ 40
6.5.1. Connection to I/O unit...................................................................................... 41
6.5.2. Connection to quenching device ARC-AT ...................................................... 41
7. Interfaces ......................................................................................................42
7.1. Rear panel view ........................................................................................................... 42
7.1.1. ARC-EP10-2/2.0.............................................................................................. 45
7.1.2. ARC-EP10/2.0 ................................................................................................. 46
7.1.3. ARC-EL3/2.0 .................................................................................................. 47
7.1.4. ARC-EC1/2.0................................................................................................... 48
7.2. Analogue measurements ............................................................................................. 49
7.3. Digital inputs (BI/O bus) ............................................................................................... 49
7.4. Auxiliary power supply ................................................................................................. 49
7.5. Output relays ................................................................................................................ 50
7.5.1. ARC-EM/2.0 .................................................................................................... 50
7.5.2. ARC-EP10/2.0, ARC-EL3/2.0 and ARC-EC1/2.0 ............................................ 50
7.5.3. ARC-EP10-2/2.0.............................................................................................. 50
7.6. Block diagram .............................................................................................................. 51
7.6.1. ARC-EM/2.0 .................................................................................................... 51
7.6.2. ARC-EP10-2/2.0.............................................................................................. 52
7.6.3. ARC-EP10/2.0 ................................................................................................. 53
7.6.4. ARC-EL3/2.0 ................................................................................................... 54
7.6.5. ARC-EC1/2.0................................................................................................... 54
8. Technical data ............................................................................................... 55
8.1. Connections ................................................................................................................. 55
8.1.1. Measuring circuits ........................................................................................... 55
8.1.2. Auxiliary power supply..................................................................................... 56
8.1.3. Digital inputs (BI/O bus) .................................................................................. 57
8.1.4. Trip contacts .................................................................................................... 58
8.1.5. Alarm contacts................................................................................................. 59
8.1.6. Communication bus interface .......................................................................... 59
8.1.7. Local serial communication port ...................................................................... 59
8.2. Tests and environmental conditions ............................................................................ 60
8.2.1. Electrical safety tests....................................................................................... 60
8.2.2. Mechanical tests.............................................................................................. 61
8.2.3. Environmental conditions ................................................................................ 61
8.2.4. Casing ............................................................................................................. 61
8.2.5. Package .......................................................................................................... 62
8.3. Protection stages ......................................................................................................... 63
8.3.1. Arc (fault) protection ........................................................................................ 63
8.3.2. Circuit breaker failure protection stage (50BF)................................................ 63