Camille Bauer EURAX DME 424 Mode D'emploi page 35

≥ 100 ms
Pulse duration:
≥ 100 ms
Inverval:
External power supply: 8 ... 40 V
Output current: ON 10 ... 27 mA
OFF ≤ 2 mA
System response
Duration of the
measurement cycle: Approx. 0.25 to 0.5 s at 50 Hz,
depending on measured variable
and programming
Response time: 1...2 times the measurement cycle
Accuracy class: (the reference value is the full-scale
value Y2)
Measured
Condition
variable
System:
Active power,
0.5 ≤ X2/Sr ≤ 1.5
reactive power,
0.3 ≤ X2/Sr < 0.5
apparent power
Phase:
Active power,
0.167 ≤ X2/Sr ≤ 0.5
reactive power,
0.1 ≤ X2/Sr < 0.167
apparent 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
factor, reactive
0.1Sr ≤ S < 0.5Sr,
power factor
(X2 - X0) = 2
0.1Sr ≤ S < 0.5Sr,
1 ≤ (X2 - X0) < 2
0.1Sr ≤ S < 0.5Sr,
0.5 ≤ (X2 - X0) < 1
0.1 Ur ≤ U ≤ 1.2 Ur
AC voltage
AC current /
0.1 Ir ≤ I ≤ 1.5 Ir
current averages
0.1 Ur ≤ U ≤ 1.2 Ur
System
resp.
frequency
0.1 Ir ≤ I ≤ 1.5 Ir
Pulse acc. to IEC 1036
0.1 Ir ≤ I ≤ 1.5 Ir
Energy meter
* Basic accuracy 0.5 c
for applications with phase-shift
Factor c (the highest value applies):
Linear characteristic:
Bent characteristic:
X0 ≤ X ≤ X1
X1 < X ≤ X2
Accuracy
class*
0.25 c
0.5 c
Fig. 5. Examples of settings
with linear characteristic.
0.25 c
0.5 c
0.25 c
Influencing quantities and permissible variations
Acc. to EN 60 688
0.5 c
Electric safety
1.0 c
Protection class:
0.5 c
Installation
category:
1.0 c
Insulation test:
2.0 c
0.2 c
0.2 c
Power supply
0.15 + 0.03 c
(f = 50...60 Hz)
Voltage:
N
0.15 + 0.1 c
Consumption:
(f = 16 2/3 Hz)
N
1.0
Programming connector on transducer
Interface:
DSUB socket:
CTS
RTS
DSR
c =
c =
c =
Y
X0/Y0
X2/Y2
X
Limit of the output
range
II
III
Input voltage:
Input current:
Output:
Power supply:
According to type label
≤ 9 W resp. ≤ 10 VA
RS 232 C
9-pin
5
9
GND
DTR
The interface is electrically insulated
TXD
from all other circuits.
RXD
6 1
Y0
1 -
Y2
or c = 1
X0
1 -
X2
Y1 - Y0 X2
· or c = 1
X1 - X0 Y2
Y1
1 -
Y2
or c = 1
X1
1 -
X2
Y
X0/Y0
X1/Y1
X2/Y2
X
Limit of the range
of transmission
Fig. 6. Examples of settings
with bent characteristic.
AC 400 V
AC 400 V
DC 40 V
AC 400 V
DC 230 V
35