PM 1001606 000 07
Device handbook CENTRAX CU3000-CU5000
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INDEX
C
CODESYS .................................................................... 56
Commissioning ............................................................. 32
Configuration
menu ........................................................................ 43
cosφ .............................................................................. 84
D
Demounting .................................................................... 7
Device overview.............................................................. 6
Dimensional drawing .................................................... 82
Display matrices ........................................................... 91
Disturbance recorder .................................................... 52
Driving a counter mechanism ....................................... 25
E
Electrical connections
analog outputs ......................................................... 26
Aron connection ....................................................... 20
cross sections .......................................................... 11
digital input ............................................................... 24
digital output ............................................................. 25
inputs ....................................................................... 12
Modbus interface ..................................................... 29
Open-Y..................................................................... 22
power supply ............................................................ 24
relays ....................................................................... 24
split phase ................................................................ 23
Ethernet
LEDs ........................................................................ 38
Ethernet installation ...................................................... 35
F
Fault current ................................................................. 27
FCC statement............................................................ 105
Firewall ......................................................................... 37
G
GPS .............................................................................. 30
I
I, II, III, IV ...................................................................... 42
Installation check .......................................................... 33
L
Logic components
AND ....................................................................... 104
DIRECT.................................................................. 104
INVERT .................................................................. 104
NAND ..................................................................... 104
NOR ....................................................................... 104
OR ......................................................................... 104
Logic functions ............................................................ 104
M
Measured quantities ..................................................... 83
Basic measurements ............................................... 83
Bimetal current ......................................................... 89
earth fault monitoring ............................................... 86
harmonic analysis .................................................... 87
Load factors ............................................................. 85
mean values and trend ............................................ 89
meters ...................................................................... 90
system imbalance .................................................... 88
zero displacement voltage ....................................... 86
Measurement displays .................................................. 41
Measurements
reset ......................................................................... 43
Mechanical mounting ...................................................... 7
Menu operation ............................................................. 40
Mounting ......................................................................... 7
N
NTP .............................................................................. 37
O
Operating elements ...................................................... 40
R
RCM ............................................................................. 27
Reactive power ............................................................. 85
Resetting measurements .............................................. 43
Roman numbers ........................................................... 42
S
Safety notes .................................................................... 6
Scope of supply .............................................................. 5
SD card
Exchange ................................................................. 54
LED .......................................................................... 54
SD-Card ........................................................................ 54
Security system ............................................................ 39
Service and maintenance ............................................. 75
Summary alarm ............................................................ 47
Symbols ........................................................................ 42
Symmetrical components ............................................. 88
T
Technical data .............................................................. 76
Time synchronization
GPS ......................................................................... 30
NTP .......................................................................... 37
U
UPS (Uninterruptible power supply ) ............................. 29
Z
Zero suppression .......................................................... 77
