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System response
Accuracy class:
(the reference value is the full-scale
value Y2)
Measured
Condition
variable
System:
Active, reactive
0.5 ≤ X2/Sr ≤ 1.5
and apparent
0.3 ≤ X2/Sr < 0.5
power
Phase:
Active, reactive
0.167 ≤ X2/Sr ≤ 0.5
and apparent
0.1 ≤ X2/Sr < 0.167
power
0.5Sr ≤ S ≤ 1.5 Sr,
(X2 - X0) = 2
0.5Sr ≤ S ≤ 1.5 Sr,
1 ≤ (X2 - X0) < 2
0.5Sr ≤ S ≤ 1.5 Sr,
Power factor,
0.5 ≤ (X2 - X0) < 1
active power and
0.1Sr ≤ S < 0.5Sr,
reactive power
(X2 - X0) = 2
0.1Sr ≤ S < 0.5Sr,
1 ≤ (X2 - X0) < 2
0.1Sr ≤ S < 0.5Sr,
0.5 ≤ (X2 - X0) < 1
AC voltage
0.1 Ur ≤ U ≤ 1.2 Ur
AC current/
0.1 Ir ≤ I ≤ 1.2 Ir
current averages
0.1 Ur ≤ U ≤ 1.2 Ur
System frequency
resp.
0.1 Ir ≤ I ≤ 1.2 Ir
1)
Basic accuracy 1.0 c for applications with phase-shift
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:
Bent characteristic:
X0 ≤ X ≤ X1
X1 < X ≤ X2
Accuracy
class
1)
0.5 c
1.0 c
0.5 c
1.0 c
0.5 c
1.0 c
2.0 c
1.0 c
2.0 c
4.0 c
0.2 c
0.2 c
0.15 + 0.03 c
Y0
1 -
Y2
c =
or c = 1
X0
1 -
X2
Y1 - Y0
X2
c =
·
or c = 1
X1 - X0
Y2
Y1
1 -
Y2
c =
or c = 1
X1
1 -
X2
Y
X0/Y0
X2/Y2
X
Limit of the
output range
Fig. 3. Examples of settings
with linear characteristic.
(System response inversely confi gurable)
Infl uencing 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 fi nger, IEC 529)
Pollution degree:
2
Installation category:
III (with ≤ 300 V)
II (with > 300 V)
Insulation test:
Inputs:
Power supply: 230 V
Outputs:
Power supply
AC/DC power pack (DC or 50/60 Hz)
Rated voltage
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
inscription
range
(* acc. to appli-
= internal power
cation N or U2)
supply range
Self powered
by U1/*
24 - 60 V AC
(int. 24-60 V)
Self powered
by U1/*
85 - 230 V AC
(int. 85-230 V)
2)
Overvoltage category III
Y
X0/Y0
X1/Y1
X2/Y2
X
Limit of the
output range
Fig. 4. Examples of settings
with bent characteristic.
2)
300 V
3)
600 V
40 V
Tolerance
DC – 15 to + 33%
AC ± 15%
Tolerance Power
supply
connec-
tion
Internal
± 15%
measuring
input
3)
Overvoltage category II
29
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