SIGMATEK SR 012, Technical Manual

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SR 012 S-DIAS DC MOTOR OUTPUT STAGE
Page 12 04.11.2020
3.2 STO Enable Input Specifications
Number 2
Input voltage +24 V DC
Input voltage range m18 V m30 V
Signal level
low: ≤ +5 V high: ≥ +15 V
Switch hysteresis typ11 V
Input current 3 mA at +24 V
Input delay typically 0.5 ms
Safety Level Complies with the requirements of Category 4, Performance Level "e" ac-
cording to
EN ISO 13849-1 and SIL CL 3 according to 62061
Not EG type tested!
Safety function STO according to EN 61800-5-2, section 4.2.2.2
The motor is not supplied with energy, which can cause a turn. The DC mo-
tor output stage does not supply energy to the motor, which can generate
torque.
Not EG type tested!
3.3 Digital Input Specifications
Number 4
Input voltage typ24 V m30 V
Signal level low: < +8 V high: > +14 V
Switching threshold typ11 V
Input current 3.7 mA at +24 V
Input delay typically 5 ms