STOBER
6 | Technical data
02/2019 | ID 442728.05
57
6.5
Safety technology
The SR6 option adds the STO safety function to the SI6 drive controller through terminal X12.
Information
If you would like to use STO safety function over terminals, be sure to read the SR6 manual;
see the chapter
.
Specification
Electrical data
STO
a
U
1max
= 30 V
DC
(PELV)
high level = 15 – 30 V
DC
low level = 0 – 8 V
DC
I
1max
= 100 mA (typically < 30 mA for 24 V
DC
)
I
max
= 4 A
C
1max
= 10 nF
STO
b
STO
status
U
2
= U
1
− (1.5 Ω * I
1
)
STO
status
supply
U
1
= +24 V
DC
, +20%/25%
I
1max
= 100 mA
GND
—
Tab. 49: X12 electrical data for SR6 option