Product description
Hans Turck GmbH & Co. KG | T +49 208 4952-0 | F +49 208 4952-264 | more@turck.com | www.turck.com
18
3.4.3 Technical data – safety inputs
General
Safe status 0 V (de-energized)
Current sink against 0 V
Inputs for potential free contacts/antivalent switches
Max. loop resistance < 150
Max. cable length limited by
line capacity
max. 1F at 150
Test pulses
typical 0.6 ms
maximum 0.8 ms
Interval between two test pulses
for static inputs min. 900 ms
for dynamic inputs min. 30 ms
No connection to external potential
Inputs for OSSDs
Max. OSSD supply per channel 2 A
Max. output current T1_A 0 A, must not be connected to external potential
Low level EN 61131-2 type 1 (< 5 V; < 0,5 mA)
High level EN 61131-2 type 1 (> 15 V; > 2 mA)
Max. tolerated test pulse width 1 ms
Min. interval between two 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
Times
Internal delay time
(for calculating the Watchdog time)
10 ms
Reaction times see Safety Characteristic Data (page 16)
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