User Documentation

5 Detailed descriptions of safe modules | Digital input module UR20-8DI-PN-FSOE, UR20-8DI-PN-FSOE-V2
34 1484600000/07/11.2020u-remote IP20 modules for functional safety manual
Technical data UR20-8DI-PN-FSOE (Order No. 1529800000), UR20-8DI-PN-FSOE-V2 (OrderNo. 2464600000)
System dat
Data
Process, parameter 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
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
PLd, Categorie2
PLe, Categorie4
Diagnostic Coverage (DC)
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
90%
99%
MTTF
D
(Mean Time To Failure dangerous)
> 100 Years (840 Years)
Safety-related data as per EN62061 (Regard the entire safety chain!)
Achievable safety level
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
SILCL2
SILCL3
PFH (Probability of Failure per hour in 1/h)
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
10
-8
2,94
*
10
-9
Fault reaction time
Single-channel circuit 1oo1 10s
Safety-related data as per EN61508 (Regard the entire safety chain!))
Achievable safety level
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
SIL 2
SIL3
PFH (Probability of Failure per hour in 1/h)
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
10
-8
2,17
*
10
-10
PFD (Probability of Failure per Demand)
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
8,77
*
10
-4
1,85
*
10
-5
HFT (Hardware Failure Tolerance)
Single-channel circuit 1oo1
Dual-channel circuit 1oo2
0
1
SFF (Safe Failure Fraction)
98%
Presumed lifecycle time
20 Years
Prooftest intervall
No prooftest needed within the life cycle.
Classification acc. to EN61508-2:2010
Type B
Inputs
Number
8, four of which are parameterisable P- or N-switching
Input Type
Type1 and 3
1)
as per IEC 61131-2 (N-switching based on the standard)
Input filter
Input delay adjustable from 1 to 100ms
Response time
< 10 ms
Low input voltage
P-switching: < 5 V; N-switching: > -5 V against +24 V
High input voltage
P-switching: >11 V; N-switching: < -11 V against +24 V
Sensor supply
Max. 0.8A per plug, total max. 3.2A
1) Minimum rate of change in transition range: 1V/s. Deviating from EN61131-2 the following applies for PN-inputs in P-switching mode:The input will be read “inactive” if the input
voltage considerably exceeds the module supply voltage.