Instruction Manual

10 Technical data
BU 0230 GB-2712 73
10.6 Data for switching off the 24V supply
(only for SK 205E, SK 215E Size 1 to 3)
Function
Specification
Input voltage
+24 V
Voltage tolerance
±25 % (18  V)
Operation at OSSD
-
Power consumption
500 mA (mean value)
For details see Section 24 V supply
Peak current
 A (Peak, on switch-on)
 A (Peak, on OSSD)
For details see Section 24 V supply
Cable length

Line capacitance
2 nF * t
OSSD
/ 0.1 ms per connected inverter
(with t
OSSD
= Width of test pulse, max. 0.5 ms)
Switch-on delay
 s
Reaction time
 ms ( 80 ms typical)
Cycle time
 s
Requirements made of OSSDs
 µs


Safety integrity level (IEC 61508)
SIL3
Probability of a hazardous failure per
hour
PFH = 0
Probability of a hazardous failure on
call-up
PFD = 0
Proportion of safe failures
SFF = 100 %
Safety category
(as per to EN ISO 13849-1)
Cat. 4
Performance level
(as per to EN 13849-1)
PL e
The mean time until a hazardous
failure
MTTF
d
= "High" (>100 years)
Diagnostic coverage level
DC cannot be established (PFH=0)
Lifetime
TM = 5 years