Smitec Cosmos 3152FA - Safety System Status and Intervention Times

COSMOS DRIVER SERIES 3000 - USE AND MAINTENANCE MANUAL
6.2.3 System status
The below chart shows the safety circuits possible statuses.
24V EN1 EN2 [SAFETY CIRCUIT] I1 I2 TO FBK-FBK [TORQUE]
<16V X X X X X OFF OPEN DISABLED
>31V X X X X X OFF OPEN DISABLED
OK OFF OFF OK OFF OFF ON CLOSE DISABLED
OK ON OFF OK ON OFF ON CLOSE DISABLED
OK OFF ON OK OFF ON ON CLOSE DISABLED
OK ON ON OK ON ON ON CLOSE ENABLED
OK X X FAULTY X X OFF OPEN DISABLED
X = Not consistent
The driver can be enabled only with a correctly powered safety circuit, free from failures, with EN1 and
EN2 inputs active.
6.2.4 Intervention times
The drivers COSMOS 3000 feature the following intervention times.
T
t(off)
Time that elapsed between the safety inputs disabling and the STO
function intervention
< 100ms
T
flt(off)
Time that elapsed between the failure detection in the safety circuit and
the STO function intervention
< 100ms
T
mot(off)
Time that elapsed between the STO function activation and the actual
motor stop
Depending on the
motor and on the
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Ver. 1.07 Pag. 53