System-disconnection relay EU400 NA-protection
33
Subject to technical changes
12.19
Possible indications in display
Display mode
8
AL
8
,
8
Am
8
,
8
ALU0
8
Alarm , Alarm 10min mean value, Alarm zero voltage U
0
8
Err4
8
…
8
Err9
8
Error messages (see
8
Ac
8
,
8
tal
8
Alarm counter, cumulative alarm time
8
Scn
8
,
8
M
8
Scan mode, 10min mean value
Menu mode / configuration mode
U¯ ¯
,
8
U¯
8
,
8
U_ _
8
,
8
U_
8
Voltage limit value
U
Ո
8
Limit value 10min mean value
H¯ ¯
,
8
H¯
8
,
8
H_ _
8
,
8
H_
8
,
8
H
Ո
8
Hysteresis (if a limit value is changed, the reset value also shifts;
that means it might be necessary to adapt it)
F¯ ¯
,
8
F¯
8
,
8
F_ _
8
,
8
F_
8
,
8
dfdt
8
Frequency limit value, ROCOF (df/dt) limit value
8
dAL
8
Response time
8
doF
8
,
8
doFA
8
Reset time; is always counted down in the display
8
ind
8
,
8
all
8
Turn-on time adjust individual / all together (e.g. for Testing)
8
uSr
8
Vector surge
8
StbY
8
Standby mode, standby-time, standby-counter
8
y1y2
8
Evaluation of the feedback contacts is suppressed when E1-E2 are closed
8
Deon
8
Delay Enable On, suppression time when switching on and after opening the
enable input
8
1 ph
8
,
8
3 ph
8
Single phase, three-phase vector shift evaluation
8
rocf
8
,
8
per
8
ROCOF (df/dt), Periods
8
rel
8
Relay
t
trel
8
Section switch turn-on time,
8
oFF
8
no feedback contacts
8
ddi
8
Delay display, to calm down the display
Dit
8
Display duration scan mode (each measurement is displayed for this duration)
8
si
8
,
F
,
8
U
8
Simulation, Frequency, voltage
Code
,
8
Plo
8
,
8
uSr
8
Code lock / sealing, vector shift
8
Pin
8
,
8
Info
8
Pin code (default 504), Device information, program change
Fnr
8
,
8
Snr
8
Firmware version, serial number
h
8
Operating hours
Err
8
,
8
del
8
Error counter, delete error counter
8
yes
8
,
8
no
8
Yes, no query for acknowledgement
Pr
8
,
8
on
8
,
8
oFF
8
Program, On, Off
8
UonF
8
Frequency protection off if voltage <
8
UonF
8
tst1
,
8
tst2
8
,
8
noY1
8
,
8
noY2
8
,
8
End
8
Test mode: test relay K1, test relay K2, no response Y1, Y2 or monitoring
feedback contacts not activated
8
ruef
8
Function for testing disengaging ratio
8
UFon
8
Switch-on behaviour after off-limit condition
U-0
8
Zero voltage U0
