User Documentation

5 Detailed descriptions of safe modules | Safe power-feed module UR20-PF-O-2DI-DELAY-SIL
67u-remote IP20 modules for functional safety manual 1484600000/07/11.2020
Technical data UR20-PF-O-2DI-DELAY-SIL Order No. 1335040000)
System data
Data
Process and diagnostic data depend on the coupler used, see section 5.2
Interface
u-remote system bus
System bus transfer rate
48 Mbps
Safety-related data as per ENISO13849 (Regard the entire safety chain!)
Achievable safety level
PLe und Categorie4
Diagnostic Coverage (DC)
96,64 %
MTTF
D
(Mean Time To Failure dangerous)
> 100 Years
Safety-related data as per EN62061 (Regard the entire safety chain!)
Achievable safety level
SILCL3
PFH (Probability of Failure per hour in 1/h)
1,35
*
10
-9
SFF (Safe Failure Fraction)
98,58%
Fault reaction time
10s
HFT (Hardware Failure Tolerance)
1
Presumed lifecycle time
20 Years
Safety-related data as per EN61508 (Regard the entire safety chain!)
Achievable safety level
SIL3
PFH (Probability of Failure per hour in 1/h)
6,27
*
10
-9
SFF (Safe Failure Fraction)
98,58%
Prooftest intervall
No prooftest needed within the life cycle.
Classification acc. to EN61508-2:2010
Type B
Inputs
Safety inputs
2 x dual channel
Input Type
Type 3 as per IEC 61131-2
Inputs for start function
2 (manual start and autostart)
Input Type
Type 3 as per IEC 61131-2
Outputs
Safety output (24VSafe)
1
Output current
8A
Breaking energy
150mJ per channel
Overload protection
Excess temperature proof and overload-proof, short circuit proof with external fuse (see below)
Response time for turn-off
< 20ms
Response time for activating the output
< 2s
Output SS1
1
Output current
0.5A, overload behaviour as per IEC 61131-2
Overload protection
Excess temperature proof and overload-proof, short circuit proof with external fuse (see below)