Technosoft 2019
49
iMOTIONCUBE Technical Reference
3.8.20 ECAT LED signals (CAT drives)
Min.
Typ.
Max.
Units
LED connection
Common anode to 3.3V output
Direct, no series resistor
LED current
8
10
mA
3.3 output voltage
3.15
3.3
3.45
V
3.3 output current
60
mA
3.8.21 Safe Torque OFF (STO1+; STO1-; STO2+; STO2-)
Min.
Typ.
Max
Units
Safety function
According to EN61800-5-2
STO (Safe Torque OFF)
EN 61800-5-1/ -2 and EN 61508-5-3/ -4
Classification
Safety Integrity Level
safety integrity level 3 (SIL3)
PFHd (Probability of Failures per Hour - dangerous)
8*10
-10
hour
-1
(0.8 FIT)
EN13849-1 Classification
Performance Level
Cat3/PLe
MTTFd (meantime to dangerous failure)
377
years
Mode compliance
PNP
Default state
Input floating (wiring disconnected)
Logic LOW
Input voltage
Logic “LOW” (PWM operation disabled)
-20
5.6
V
Logic “HIGH” (PWM operation enabled)
18
36
Absolute maximum, continuous
-20
+40
Input current
Logic “LOW”; pulled to GND
0
mA
Logic “HIGH”, pulled to +Vlog
5
13
Repetitive test pulses
(high-low-high)
Ignored high-low-high
5
ms
20
Hz
Fault reaction time
From internal fault detection to register DER bit 14 =1 and
OUT2/Error high-to-low
30
ms
PWM operation delay
From external STO low-high transition to PWM operation
enabled
30
ms
ESD protection
Human body model
±2
kV
†
Stresses beyond values listed under “absolute maximum ratings” may cause permanent damage to the device. Exposure to absolute-maximum-rated
conditions for extended periods may affect device reliability.
