Compax3 device description C3I22T11
92 192-120114 N5 C3I22T11 June 2008
3.11.2.3 Technical details of the Compax3M S1 option
Compax3M S1 Option: Signal inputs for connector X14
Nominal voltage of the
inputs
24V
Required isolation of the
24V control voltage
Grounded protective extra low voltage, PELV
Protection of the STO
control voltage
1A
Number of inputs
Signal inputs via opto-
coupler
2
Low = 0...7V DC or open
High = 15...30V DC
I
in
at 24V DC: 8mA
STO1/
Low = STO activated
High = STO deactivated
STO2/
Low = STO activated
High = STO deactivated
Switch-off time with une-
qual input statuses (max.
reaction time)
20 seconds
Grouping of safety level
Category 3
PL=d
PFH=1.01 x 10-7h-1