WEG SCA06 User Manual page 19

STO1
STO2
GND
Figure 3.5: Installation using OSSD signals
STO1 STO2
(Voltage (Voltage
Between Between
X7:1-4 X7:1-2
Terminals) Terminals)
0 V 0 V
0 V 24 V
24 V 0 V
24 V 24 V
X7
6
5
4
3
2
1
Table 3.3: Truth table for OSSD signals
Safety Stop
Function
Activated
(enabled)
Fault
Disabled
Safety Board
Servodrive Behavior
Servodrive remains in STO state and does
not accept commands. The servodrive
indicates "STO" on the keypad
Servodrive trips to Fault "F0160" if this status
lasts longer than 1 s
To reset the fault, both contacts must be
at the same status and the +24 Vdc supply
must be deenergized and reenergized
Servodrive accepts commands normally
Installation
SCA06 | 19