Weidmuller UR20-4DI-4DO-PN-FSOE Manual page 67

Technical data UR20-PF-O-2DI-DELAY-SIL Order No. 1335040000)
System data
Data
Interface
System bus transfer rate
Safety-related data as per EN ISO 13849 (Regard the entire safety chain!)
Achievable safety level
Diagnostic Coverage (DC)
MTTF (Mean Time To Failure dangerous)
D
Safety-related data as per EN 62061 (Regard the entire safety chain!)
Achievable safety level
PFH (Probability of Failure per hour in 1/h)
SFF (Safe Failure Fraction)
Fault reaction time
HFT (Hardware Failure Tolerance)
Presumed lifecycle time
Safety-related data as per EN 61508 (Regard the entire safety chain!)
Achievable safety level
PFH (Probability of Failure per hour in 1/h)
SFF (Safe Failure Fraction)
Prooftest intervall
Classification acc. to EN 61508-2:2010
Inputs
Safety inputs
Input Type
Inputs for start function
Input Type
Outputs
Safety output (24 V Safe)
Output current
Breaking energy
Overload protection
Response time for turn-off
Response time for activating the output
Output SS1
Output current
Overload protection
1484600000/04/06.2017
5 Detailed descriptions of safe modules | Safe power-feed module UR20-PF-O-2DI-DELAY-SIL
Process and diagnostic data depend on the coupler used, see section 5.2
u-remote system bus
48 Mbps
PLe und Categorie 4
96,64 %
> 100 Years
SILCL 3
1,35 * 10
-9
98,58 %
10 s
1
20 Years
SIL 3
6,27 * 10
-9
98,58 %
No prooftest needed within the life cycle.
Type B
2 x dual channel
Type 3 as per IEC 61131-2
2 (manual start and autostart)
Type 3 as per IEC 61131-2
1
8 A
150 mJ per channel
Excess temperature proof and overload-proof, short circuit proof with external fuse (see below)
< 20 ms
< 2 s
1
0.5 A, overload behaviour as per IEC 61131-2
Excess temperature proof and overload-proof, short circuit proof with external fuse (see below)
u-remote IP20 modules for functional safety manual 67