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Table of Contents

TGH1410en/03.2012

3.2.18 Fault memory .................................................................................................. 12

4. Installation and connection ......................................................................... 13

5. Operation and setting .................................................................................. 17

5.1 Display elements ........................................................................................... 17

5.2 Function of the operating elements ...................................................... 18

5.3 Menu structure ............................................................................................... 19

5.4 Display in standard mode .......................................................................... 21

5.5 Display in menu mode ................................................................................ 22

5.5.1 Parameter query and setting: Overview ............................................... 22

5.5.2 Changeover from overcurrent to undercurrent mode

or to window mode ...................................................................................... 24

5.5.3 Response value setting for overcurrent: ............................................... 25

5.5.4 Setting the fault memory and alarm relay operating mode .......... 26

5.5.5 Assigning alarm categories to the alarm relays ................................. 27

5.5.6 Set the time delays ....................................................................................... 29

5.5.7 Changing from overcurrent operation to window operation ...... 30

5.5.8 Setting the correction factor for an additional cascaded

current transformer ...................................................................................... 30

5.5.9 Factory setting and password protection ............................................ 31

5.5.10 Re-establishing the factory settings ....................................................... 32

5.5.11 Device information query .......................................................................... 33

5.5.12 History memory query ................................................................................. 33

5.6 Commissioning .............................................................................................. 34

5.7 Factory setting ............................................................................................... 34

5.8 Standards, approvals and certifications ................................................ 34

6. Technical data ................................................................................................ 35

6.1 Data in tabular form ..................................................................................... 35

6.2 Ordering information ................................................................................... 38

6.3 Error codes ....................................................................................................... 40

INDEX .................................................................................................................... 41

Bender rcm420 Operating Manual

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