WIKA 851 - Manual (Page 8)

GB
2435182.03 12/2010 GB/D/F/E
WIKA operating instructions electronic contact, model 830 E 8
3. Specifications
Specifications Model 830 E
Range of operating voltage DC 10 ... 30 V
Residual ripple max. 10 %
No-lead current ≤ 10 mA
Switching current ≤ 100 mA
Leakage current ≤ 100 µA
Function of switching element Normally open
Type of output PNP transistor
Voltage drop (with Imax.) ≤ 0.7 V
Reverse polarity protection
conditional U
B
(the output 3 or 4 switch
must never be set directly to minus)
Anti-inductive protection 1 kV, 0.1 ms, 1 kΩ
Oscillator frequency approx. 1000 kHz
Electromagnetic compatibility
(EMC)
per EN 60947-5-2
Ambient conditions and
temperature
in accordance with measuring instrument
Permissible ambient tempe-
ratures
-25 ... +70 °C
(depends on the basic instrument and is
found in the respective data sheet)
Installation
installed directly in the measuring instru-
ment at the factory, maximum 2 switch
contacts per measuring instrument
Ingress protection per DIN EN 60529
(depends on the basic instrument and is
found in the respective data sheet)
For further specifications see WIKA data sheet AC 08.01 and the order
documentation.
4. Design and function
4.1 Description
Direct switching of small capacities which are usually required in connection
with a PLC can be realised by this inductive contact with integrated amplifier
which is factory-installed directly into the measuring instrument.
3. Specifications / 4. Design and function