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Operating Instructions
Transducer for AC voltage with different characteristics
SINEAX U 554
Safety precautions to be strictly observed are marked
with following symbols in the Operating Instructions:
Contents
1. Read first and then ... ................................................... 6
2. Brief description ............................................................ 6
3. Technical data ............................................................... 6
4. Mounting ....................................................................... 7
5. Electrical connections ................................................... 7
6. Commissioning and maintenance ................................ 7
7. Releasing the transducer .............................................. 7
8. Dimensional drawings ................................................... 8
1. Read first and then ...
The proper and safe operation of the device
assumes that the Operating Instructions is
read carefully and the safety warnings given
in the various Sections
4. Mounting
5. Electrical connections
are observed.
The device should only be handled by appropriately
trained personnel who are familiar with it and authorised
to work in electrical installations.
Unauthorized repair or alteration of the unit invalidates
the warranty.
2. Brief description
The SINEAX U 554 measuring transducer is used to convert
a sine-wave or distorted AC voltage.
The output signal, in the form of a load independent DC
current or voltage, is proportional to the measured value.
3. Technical data
Measuring input
Nominal frequency:
50/60 or 400 Hz
Nominal input
voltage:
0 to 20 to 0 to 690 V
Measuring output
DC current:
0(0.2) to 1 to 0(4) to 20 mA
6
Burden voltage:
15 V
External resistance:
R
I
AN
DC voltage:
0(0.2) to 1 to 0(2) to 10 V
External resistance:
R
Response time:
50 or 300 ms
Power supply
Rated voltage U
N
AC 24 V
AC 110 V
AC 115 V
AC 120 V
AC 230 V
AC 400 V
Frequendy rated
operating range:
45 to 50 to 60 to 65 Hz
≤ 3 VA at H = U
Power consumption:
DC, AC power pack (DC or 40 to 400 Hz)
Rated voltage
85 to 230 V DC / AC
24 to 60 V DC / AC
≤ 2 W resp. ≤ 4 VA
Power consumption:
Options
Connected to the low
tension terminal side:
24 V AC or 24 to 60 V DC,
see Fig. 3
Power supply from
measuring input
≥ 24 to 60 V AC or 85 to 230 V AC,
(self powered):
see Fig. 4
Please not the max. and min. measuring input voltage!
Type label
Input voltage
inscription
range = internal
power supply
range
Self powered
by 1/2 (int.
24 to 60 V AC
24 to 60 V)
Self powered
by 1/2 (int.
85 to 230 V AC
85 to 230 V)
Accuracy (acc. to EN 60 688)
Reference value:
Output end value
Basic accuracy:
Class 0.5
Safety
Pollution degree:
2
Installation category:
III
15 V
max. [kΩ] ≤
I
[mA]
ext
AN
= Full-output value
U
[V]
A
min. [kΩ] ≥
4 mA
ext
Rated operating range
22 to 26 V
99 to 121 V
103 to 127 V
108 to 132 V
207 to 253 V
360 to 440 V
N
Tolerance
DC – 15 to + 33%
AC ± 15%
Tolerance Power
supply
connec-
tion
Internal
from
± 15%
measuring
input
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