Safety engineering, Technical data – Lenze 8400 User Manual
Page 281
Safety engineering
Technical data
10
281
EDS84ASC552 EN 9.1
HW revision: From 2A - detailed features of the inputs and outputs of the safety
system
Terminal
Specification
[Unit]
Min.
Typ.
Max.
SIA, SIB
Low signal
V
-3
0
5
High signal
V
15
24
30
Input capacitance at switch-off
nF
3
Switch-off time
(depends on the controller: Size 1 - 3)
ms
6
Switch-off time
(depends on the controller: From size 4)
ms
4
Running time
ms
1
Input current
mA
2
15
Input capacitance at switch-on
nF
100
Input delay (tolerated test pulse)
ms
1
Test pulses permissible at intervals of
ms
10
GI
Ground for SIA/SIB
When the polarity is reversed: No function, no
destruction
24O, GO
Supply voltage U
24O
for the output DO1 by a safely
separated power supply unit (SELV/PELV)
V
18
24
30
DO1
Low signal
V
0.8
High signal
V
U
24O
- 1 V
24O, GO, DO1
Output current
A
0.7
Safety-related parameters acc.to IEC 61508-1 to -7 and IEC 62061
Specification
Value
Comment
Safety Integrity Level
SIL 3
PFH [1/h]
9.05 E-10 0.9 % of SIL 3
PFD
7.92 E-5
7.9 % of SIL 3 after T = 20 years
Proof test interval
20 years
Mission time
Safety-related parameters acc. to EN ISO 13849-1
Specification
Value
Comment
Performance Level
e
Category
4
MTTF
d
High
68619 years
Diagnostic coverage DC
High
99 %