Kübler 521 Mode D'emploi page 18

8. Technical data
Supply voltage:
10...30 VDC, max. 50 mA
Display:
6digit LED-Display, 8 mm character height
Polarity of input signals:
programmable for inputs in common (npn or pnp)
Input resitance: appr. 10 k
Count frequency: 20 kHz can be damped to
30 Hz
Min. pulse length of the reset input: 5 ms
Input sensitivity:
log. „0": 0 VDC..0,2xU
log. „1": 0,6 x U
Pulse shape: variable (Schmitt Trigger
characteristic)
Max. switching performance of the
optocoupler: 30 V at 10 mA
Data retention:
via EEPROM 1x10 6 memory cycles or 10 years
Accuracy:
frequency meter/speed indicator mode: < 0,1 %
Noise immunity:
EN 50081-2; EN 55011 class B; EN 50082-2
Ambient temperature: -10 °C...+50 °C
Storage temperature: -25 °C...+70 °C
Weight: appr. 50 g
Protection: IP 65 (front)
Cleaning:
The front of the unit is only to be cleaned with a
soft wet (water !) cloth.
18
W
B
..30 VDC
B