Technical data
Technical data – safety inputs
76
Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | [email protected] | www.turck.com
14.2
Technical data – safety inputs
Safety inputs for OSSD
Signal voltage, low level
EN 61131-2 type 1 (< 5 V; < 0,5 mA)
Signal voltage, high level
EN 61131-2 type 1 (< 15 V; < 2 mA)
Max. OSSD supply per channel
2 A
Max. tolerated test pulse width
1 ms
Min. interval between 2 test pulses
12 ms at 1 ms test pulse width
8.5 ms at 0.5 ms test pulse width
7.5 ms at 0.2 ms test pulse width
Safety inputs for potential free contacts
Loop resistance
< 150 Ω
Max. cable length
Max. 1 μF at 150 Ω, limited by line capacity
recommended calbe lenght: max.100 m at a
with a cable cross-section of 0.5 mm²
Test pulse, typ.
0.6 ms
Test pulse max.
0.8 ms
Interval between 2 test pulses, min.
900 ms (for static inputs)
