Datasensing SH4 BASE-STANDARD, Product Reference Manual, Page: 63 / 103

PRODUCT REFERENCE GUIDE
55
APPENDIX A
TECHNICAL DATA
SAFETY CATEGORY
Type 4 (rif. EN 61496-1: 2020)
SIL 3 (rif. EN 61508)
SIL CL 3 (rif. EN 62061:2005/A2: 2015)
PL e, Cat. 4 (rif. EN ISO 13849-1: 2015)
PFHd [1/h] = 2.62*10
-8
(ref. EN 61508)
MTTFd [years] = 43 (ref. EN ISO 13849-1 2015)
Life Span = 20 years
DCAvg (Average Diagnostic Coverage) = 99%
SFF (Safe Failure Fraction) = 99.5%
HTF (Hardware Fault Tolerance) = 1
ELECTRICAL DATA
Power supply
24 Vdc ± 20%
a
Emitter consumption (TX) 3.5 W max
Receiver consumption (RX) 5.5 W max (without load)
Outputs
2 OSSDs Outputs for all models
2 Auxiliary Outputs for SH4-XX-XXXX-A-X-(X) models only
1 Lamp Output for SH4-XX-XXXX-SM-8 models only
Output current
250 mA max / each output
500 mA total max current
Output voltage - ON min
Power supply value less 1 V
Output voltage - OFF max 0.2 V
Output capacitative load
1 µF at 24 Vdc
Leakage current
< 1 mA
Response times
from 7 to 16 ms (30mm res uncoded)
from 9 to 28 ms (14mm res uncoded)
Protected height From 300 to 2250 mm (single unit)
Safety category Type 4 (ref. EN IEC 61496-1)