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Operating Instructions
Transducer for AC current SINEAX I 538
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 ....................................................................... 6
5. Electrical connections ................................................... 7
6. Commissioning and maintenance ................................ 8
7. Releasing the transducer .............................................. 8
8. Instruments admissions ................................................ 8
9. Dimensional drawing ..................................................... 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.
2. Brief description
The transducer SINEAX I 538 is designed to convert a
sinusoidal AC current into a DC current or voltage proportio-
nal to the measured value.
3. Technical data
Measuring input
Nominal frequency:
50/60 Hz
Nominal input current: Acc. to type 0 - 1 or 0 - 5 A
non-standard ranges
0 - 0,8 to 0 - 1.2 A
or
0 - 4 to 0 - 6 A
≤ 5 mV · I
Own consumption:
6
with input end value
N
Measuring output
DC current:
0 - 1 to 0 - 20 mA resp. live zero
0.2 - 1 to 4 - 20 mA
Burden voltage:
15 V
External resistance:
See Section "5. Electrical
connections"
With 2-wire
connection:
Power supply via output leads,
4 - 20 mA,
External resistance see Section
"5. Electrical connections"
Load-independent
DC voltage:
0 - 1 to 0 - 10 V resp. live zero
0.2 - 1 to 2 - 10 V
External resistance:
See Section "5. Electrical
connections"
Response time:
< 300 ms
Power supply
AC voltage:
24, 110, 115, 120, 230 or 400 V
± 15%, 50 / 60 Hz
Power consumption approx. 3 VA,
see Fig. 2
Options:
DC voltage:
24 V, – 15 / + 33 %,
power consumption approx. 1.5 W,
see Fig. 3
With 2-wire connection and output
4...20 mA (power supply via output
leads) 24 V, – 50/+ 33%,
power consumption 1.5 W,
see Fig. 4
DC or AC voltage:
DC, AC power pack
(DC or 40 - 400 Hz)
85 - 230 V DC/AC or
24 - 60 V DC/AC
DC – 15/+ 33%, AC ± 15%
Power consumption
≤ 1.5 W resp. ≤ 3 VA, see Fig. 5
Accuracy (acc. to IEC 688)
Reference value:
Output end value
Accuracy:
Class 0.5
Safety
Pollution degree:
2
Installation category:
III
Reference conditions
Operating temperature: – 10 to + 55 °C
– 40 to + 70 °C
Storage temperature:
Relative humidity of
≤ 75 %
annual mean:
4. Mounting
The SINEAX I 538 can be mounted on a top-hat rail.
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