Bender rcm420 - Page 4

Table of Contents
4
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