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
load
Ver. 1.07
Pag. 53
