fafnir VISY-Command (VI-4), Техническая документация инструкция

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FAFNIR GmbH

Schnackenburgallee 149 c

22525 Hamburg

Tel.: +49 / (0)40 / 39 82 07-0

www.fafnir.de

info@fafnir.de
V Technical data
The auxiliary power for the isolating amplifier depends on the model:
U = 24 V
AC
/115 V
AC
/230 V
AC
± 10 %, 50 Hz … 60 Hz
P ≈ 2 VA
U
m
= 36 V@24 V
AC
/ 138 V@115 V
AC
/ 253 V@230 V
AC
The sensor circuits are designed in ignition protection type "intrinsic safety" (ia) with a linear output char-
acteristic. Output values per electric circuit are
Output voltage U
o
≤
14.3 V
Output current I
o
≤
27.5 mA
Output power P
o
≤
98.1 mW
Internal inductance L
i
negligibly small
Internal capacitance C
i
negligibly small
The permissible external inductance and capacitance are:
IIC IIB / IIIC
L
o
≤ 5 mH 2 mH 20 mH 10 mH
C
o
≤ 380 nF 480 nF 1.5 µF 1.8 µF
The maximum values of the parameter pairings may simultaneously be
used as concentrated capacitance and concentrated inductance. The values
written in bold can be found also in the device marking.
The signal and maximum safety voltage of the communication interface is
U = 5 V
U
m
= 134 V
The isolating amplifier can be used in the following ambient temperature range:
T
a
= -20 °C … +55 °C
The isolating amplifier achieves a housing protection degree of
Degree of protection IP00
VI Specific conditions for use
The isolating amplifier must be installed in a housing which has a degree of protection according to EN
60529 of at least IP20.