Overwiev Of The Safe Output Parameter - bihl+Wiedemann BWU2236 User Manual

AS-i Safety Relay Output Module with Diagnostic Slave
1 EDM- and 2/1 safety inputs
Product Description
4.3.2

Overwiev of the safe output parameter

Identification data
Turn-off time
Switching intervals
t [s]
cycle
60
600
3600
60
600
3600
60
600
3600
Subject to technical modififications; no responsibility is accepted for the accuracy of this information
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electronics electromechanics
MTTF [years] MTTF
d d
156 15
148
890
electronics electromechanics
PFH [1 / h] PFH [1 / h]
-9
5,94 * 10 1,98 * 10
3,88 * 10
1,27 * 10
electronics electromechanics
PFH [1 / h] PFH [1 / h]
-9
3,30 * 10 3,89 * 10
3,88 * 10
6,47 * 10
Value
50 ms
total
[years] MTTF [years]
dG
13,6
75,9
132,7
PFH [1 / h]
total
-7 -7
2,05 * 10
-9 -8
1,50 * 10
-9 -9
7,61 * 10
PFH [1 / h]
total
-8 -8
4,25 * 10
-9 -9
7,54 * 10
-10 -9
4,30 * 10
© Bihl+Wiedemann GmbH
phone: +49 621 33 996-0 • fax: +49 621 3 39 22 399
Standard
IEC 61 508
Tab. 4-6.
standard
EN ISO 13849-1:
2008
EN 62061:2005
EN 61508:2001
Tab. 4-7.
13