User Manual

27
English
Accuracy class: (the reference value is the full-scale
value Y2)
Measured Condition Accuracy
variable class
1)
0.5 X2/Sr 1.5 0.5 c
0.3 X2/Sr < 0.5 1.0 c
0.167 X2/Sr 0.5 0.5 c
0.1 X2/Sr < 0.167 1.0 c
0.5Sr S 1.5 Sr, 0.5 c
(X2 - X0) = 2
0.5Sr S 1.5 Sr, 1.0 c
1 (X2 - X0) < 2
0.5Sr S 1.5 Sr, 2.0 c
0.5 (X2 - X0) < 1
0.1Sr S < 0.5 Sr, 1.0 c
(X2 - X0) = 2
0.1Sr S < 0.5 Sr, 2.0 c
1 (X2 - X0) < 2
0.1Sr S < 0.5 Sr, 4.0 c
0.5 (X2 - X0) < 1
AC voltage 0.1 Ur U 1.2 Ur 0.5 c
AC current/ 0.1 Ir I 1.2 Ir 0.5 c
current averages
System 0.1 Ur U 1.2 Ur 0.15 + 0.03 c
frequency resp.
0.1 Ir I 1.2 Ir
1)
Basic accuracy 1.0 c for applications with phase-shift
System:
Active, reactive
and apparent
power
Phase:
Active, reactive
and apparent
power
Power factor,
active power
and reactive
power
System response
Duration of the
measurement cycle: Approx. 0.6 to 1.6 s at 50 Hz,
depending on measured variable
and programming
Response time: 1 … 2 times the measurement cycle
Factor c (the highest value applies):
Linear characteristic: Y0
Y2
X0
X2
Y1 - Y0 X2
X1 - X0 Y2
Y1
Y2
X1
X2
1 -
X1 < X X2
c = or c = 1
1 -
1 -
c =
or c = 1
·
1 -
or c = 1
c =
Bent characteristic:
X0 X X1
Y
X
Limit of the
output range
X0/Y0
X2/Y2
Y
X
Limit of the
output range
X0/Y0
X2/Y2
X1/Y1
Fig. 4. Examples of settings
with bent characteristic.
Fig. 3. Examples of settings
with linear characteristic.
Influencing quantities and permissible variations
Acc. to IEC 688
Safety
Protection class: II (protection isolated,
IEC 1010)
Enclosure protection: IP 40, housing
(test wire, IEC 529)
IP 20, terminals
(test finger, IEC 529)
Pollution degree: 2
Installation category: III (with 300 V)
II (with > 300 V)
Insulation test: Inputs: 300 V
2)
600 V
3)
Power supply: 230 V
Outputs: 40 V
2)
Overvoltage category III
3)
Overvoltage category II
(System response inversely configurable)
Power supply
AC/DC power pack (DC or 50/60 Hz)
Rated voltage Tolerance
24 - 60 V DC / AC
85 - 230 V DC / AC
Power consumption: 5 W resp. 7 VA
Option
Power supply from
measuring input
(self powered): 24 - 60 V AC or 85 - 230 V AC
Please note the max. and min. measuring input voltage!
Type label Input voltage Tolerance Power
inscription range supply
(* acc. to appli- = internal power connec-
cation N or U2) supply range tion
Self powered
by U1/* 24 - 60 V AC
(int. 24-60 V)
Self powered
by U1/* 85 - 230 V AC
(int. 85-230 V)
DC – 15 to + 33%
AC ± 15%
± 15%
Internal
measuring
input