Technical data VME420…
44
VME420_D00026_03_M_XXDE/04.2019
Relative uncertainty voltage at 50/60 Hz .........................................................................................
±
1.5 %,
±
2 digit
Relative uncertainty voltage in the range of 15…460 Hz ..................................................................
±
3 %,
±
2 digit
Hysteresis U ...................................................................................................................................... 1…40 % (5 %)*
Underfrequency < Hz ........................................................................................................................... 10…500 Hz**
Overfrequency > Hz .............................................................................................................................. 10…500 Hz**
Resolution of setting f 10.0…99.9 Hz................................................................................................................ 0.1 Hz
Resolution of setting f 100…500 Hz .................................................................................................................... 1 Hz
Preset function:
Underfrequency for f
n
= 16.7 Hz / 50 Hz / 60 Hz / 400 Hz ...................................... 15.7 Hz / 49 Hz / 59 Hz / 399 Hz
Overfrequency for f
n
= 16.7 Hz / 50 Hz / 60 Hz / 400 Hz ........................................ 17.7 Hz / 51 Hz / 61 Hz / 401 Hz
Hysteresis frequency Hys Hz ....................................................................................................... 0.1…2 Hz (0.2 Hz)*
Relative uncertainty frequency in the range of 15…460 Hz ..........................................................
±
0.2 %,
±
1 digit
Specified time
Start-up delay ..................................................................................................................................... 0…300 s (0 s)*
Response delay
t
on1/2
........................................................................................................................ 0…300 s (0 s)*
Delay on release
t
off
......................................................................................................................... 0…300 s (0.5 s)*
Resolution of setting
t
,
t
on1/2
,
t
off
(0…10 s)......................................................................................................... 0.1 s
Resolution of setting
t
,
t
on1/2
,
t
off
(10…99 s) ........................................................................................................ 1 s
Resolution of setting t,
t
on1/2
, I
off
(100…300 s) ................................................................................................. 10 s
Operating time voltage
t
ae
.................................................. DC/AC 16.7 Hz:
≤
130 ms, AC 42…460 Hz:
≤
70 ms
Operating time, frequency
t
ae
.......................................................................................... AC 15…460 Hz:
≤
310 ms
Response time
t
an
.............................................................................................................................
t
an
=
t
ae
+
t
on1/2
Recovery time
t
b
.............................................................................................................................................
≤
300 ms
Displays, memory
Display..................................................................................................... LC display, multi-functional, not illuminated
Display range, measured value ........................................................................................................ AC/DC 0…300 V
Operating uncertainty at 50/60 Hz ..................................................................................................
±
1.5 %,
±
2 digits
Operating uncertainty voltage in the range of 15…460 Hz ............................................................
±
3 %,
±
2 digits
Operating uncertainty in the frequency range 15…460 Hz ..........................................................
±
0.2 %,
±
1 digit
History memory (HiS) for the first alarm value............................................................... data record measured values
Password ...................................................................................................................................... Off / 0…999 (OFF)*
Fault memory (M) alarm relay ....................................................................................................... on / off / con (on)*
