Default: S1 / S2 short-circuited to +24 V
DC
Rated voltage: 24 V
DC
± 10%; maximum voltage: 30 V
DC
± 10%
Rated current: 6.67 mA ± 10%
STO activation mode
Input voltage level: 0 V
DC
< S1-DCM < 5 V
DC
or 0 V
DC
< S2-DCM < 5 V
DC
STO response time ≤ 20 ms (S1 / S2 operates until the AC motor drive stops outputting
current)
STO cut-off mode
Input voltage level: 11 V
DC
< S1-DCM < 30 V
DC
and 11 V
DC
< S2-DCM < 30 V
DC
Power removal safety function per EN 954-1 and IEC / EN 61508
NOTE: Refer to Chapter 17 SAFE TORQUE OFF FUNCTION for details.
Modbus RS-485
NOTE: Refer to Chapter 12 DESCRIPTIONS OF PARAMETER SETTINGS parameter
group 09 Communication Parameters for details.