SICK UE48-3OS, Operating Instructions Manual

Page: 5 / 6

11 Internal circuitry
Fig. 1: Internal circuitry UE48-3OS
12 Application examples
Fig. 2: Basic circuit UE48-3OS: voltage supply, dual-channel output circuit (see technical
specifications)
Fig. 3: Example of single-channel emergency switching off with manual reset
Fig. 4: Example of dual-channel emergency switching off with cross-circuit monitoring, manual reset,
external device monitoring
Fig. 5: Example of dual-channel guard protection with cross-circuit monitoring and manual reset
Fig. 6: Example of an electrosensitive protective device (ESPE) with active output signal switching
devices (OSSD), manual reset, external device monitoring
13 Technical specifications
13.1 Data sheet
Minimum Typical Maximum
General system data
Safety integrity level
1)
SIL3 (IEC 61 508)
SIL claim limit
1)
SILCL3 (EN 62 061)
Safe failure fraction (SFF) 90 % (EN 62 061)
Hardware fault tolerance (HFT) 1 (EN 62 061)
Category Category 4 (EN ISO 13 849)
Performance Level
1)
PL e (EN ISO 13 849)
B
10D
value (relay)
AC-15, 230 V, I = 1.5 A
I = 0.75 A
DC-13, 24 V, I = 2.5 A
I = 0.63 A
1.26 × 10
6
switching operations
5.9 × 10
6
switching operations
435 × 10
3
switching operations
10 × 10
6
switching operations
PFH
D
(mean probability of a dangerous failure per
hour)
2)
3 × 10
–8
T
M
(mission time) 20 years (EN ISO 13 849)
Stop category 0 (EN 60 204-1)
Supply voltage (A1, A2)
Input voltage (A1, A2)
AC operation 21.6 V 24 V 26.4 V
DC operation 20.4 V 24 V 26.4 V
Voltage supply (A1, A2)
Output current circuits > 25 V AC/60 V DC PELV
Output current circuits
′
25 V AC/60 V DC SELV or PELV
Residual ripple with DC operation
(within the limits of V
S
)
2.4 V
SS
Power consumption
AC operation 5 VA
DC operation 2.6 W
Nominal frequency for AC operation 50 Hz 60 Hz
1)
The Performance Level actually attained depends on the application. For detailed information on the exact design of
your machine/system, please contact your local SICK representative.
2)
With DC = 99 % and MTTF
D
= 100 a (according to EN ISO 13 849, Tab. K1 and formula C.7) and 8760 switching
operations/a.
Removable terminal
Device connection
Removable terminal
Device connection
Removable terminal
Device connection
Removable terminal
Device connection