User Documentation

5 Detailed descriptions of safe modules | Digital in- and output module UR20-4DI-4DO-PN-FSPS, UR20-4DI-4DO-PN-FSPS-V2
41u-remote IP20 modules for functional safety manual 1484600000/07/11.2020
Technical data UR20-4DI-4DO-PN-FSPS (Order No. 1335060000), UR20-4DI-4DO-PN-FSPS-V2 (OrderNo.2464570000)
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 inputs
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
PLd, Categorie2
PLe, Categorie4
Achievable safety level outputs
PLe, Categorie4
Diagnostic Coverage (DC) inputs
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
90%
99%
Diagnostic Coverage (DC) outputs
99%
MTTF
D
(Mean Time To Failure dangerous) inputs
> 100 Years (840 Years)
MTTF
D
(Mean Time To Failure dangerous) outputs
> 100 Years (279 Years)
Safety-related data as per EN62061 (Regard the entire safety chain!)
Achievable safety level inputs and outputs
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
SILCL2
SILCL3
Achievable safety level outputs
SILCL3
PFH (Probability of Failure per hour in 1/h) inputs
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
10
-8
2,94
*
10
-9
PFH (Probability of Failure per hour in 1/h) outputs
5,56
*
10
-9
Fault reaction time
Single-channel circuit 1oo1 5s
Safety-related data as per EN61508 (Regard the entire safety chain!)
Achievable safety level inputs and outputs
SIL3
PFH (Probability of Failure per hour in 1/h) inputs
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
10
-8
2,17
*
10
-10
PFH (Probability of Failure per hour in 1/h) outputs
2,17
*
10
-10
PFD (Probability of Failure per Demand) inputs
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
8,77
*
10
-4
1,85
*
10
-5
PFD (Probability of Failure per Demand) outputs
1,85
*
10
-5
HFT (Hardware Failure Tolerance) inputs
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
0
1
HFT (Hardware Failure Tolerance) outputs
1
SFF (Safe Failure Fraction) inputs and outputs
98%
Presumed lifecycle time
20 Years
Prooftest intervall
No prooftest needed within the life cycle.
Classification acc. to EN61508-2:2010
Type B