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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
The instruments must only be dispo-
sed of in the correct way!
Contents
1. Read first and then ...................................................... 8
2. Brief description .......................................................... 8
3. Technical data ............................................................. 8
4. Mounting ..................................................................... 9
5. Electrical connections ................................................. 9
6. Commissioning and maintenance ............................. 10
7. Releasing the transducer .......................................... 10
8. Instruments admissions ............................................ 10
9. Dimensional drawing ................................................. 10
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 transducer SINEAX I 538 is designed to convert a sinus-
oidal AC current into a DC current or voltage proportional 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
Own consumption:
≤ 5 mV · I
8
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 connec-
tions"
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 connec-
tions"
Response time:
< 300 ms
Power supply
AC voltage:
230 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
Storage temperature:
- 40 to + 70 °C
Relative humidity of
annual mean:
≤ 75 %
Altitude:
2000 m max.
Indoor use statement
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