Stober PS6A34 - X12: Safety Technology (SR6 Option); Tab. 115 X12 Connection Description; Tab. 116 Cable Length [M]

10 | Connection STOBER
126
02/2019 | ID 442728.05
10.5.10 X12: Safety technology (SR6 option)
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 Detailed information [}245].
Technical data
Observe the technical data of the safety options for X12; see the chapter Safety technology
[}57].
Terminal Pin Designation Function
1|2|3|4|5|6|7|8
1 STO
a
Input of safety channel 1
2
3 STO
b
Input of safety channel 2
4
5 GND Reference potential for
STO
a
and STO
b
,
internally bridged with
terminal 7
6 STO
status
Acknowledgment signal
of safety channels 1 and
2 for diagnostic
purposes
7 GND Reference potential for
STO
a
and STO
b
,
internally bridged with
terminal 5
8 U
1status
STO supply
status
;
recommended fuse
protection: max.
3.15AT
14
Tab. 115: X12 connection description
Connecting wiring
For connecting wiring, observe the terminal specifications in the chapter BCF 3,81 180 SN
[}233].
Cable requirements
Feature All sizes
Max. cable length 30m
Tab. 116: Cable length [m]
14
For UL-compliance, use of a 3.15A fuse (time delay) is required. The fuse must be certified for DC volt-
age in accordance with UL 248.