Technical specifications   
11.8 Technical specifications 
  Mobile Panels 2nd Generation 
240  Operating Instructions, 09/2018, A5E33876626-AC 
 
Note 
Times 
The specified times do not include the times of the applicable safety relay or the safety 
program (PROFIsafe), including the PNIO cycle time and F
-monitoring time. 
le for calculation of the total reaction time: S7Safety_RTTplus.xlsm 
https://support.industry.siemens.com/cs/#document/93839056?lc=en-US) 
Safety characteristics 
Safety characteristics for Mobile Panels 2nd Generation and the associated connection 
boxes
 
●  In accordance with IEC 61508 
Maximal attainable safety integrity level  SIL2 (Proof Test Interval 1 year) 
SIL3 (Proof Test Interval 1 month) 
Hardware fault tolerance (HFT) 
Probability of a dangerous failure per hour (PFHd) 
-8
Probability of a dangerous failure on demand (PFDavg) 
-5
●  In accordance with ISO 13849-1 
Meantime to Failure (MTTFd) 
Diagnostic Coverage (DCavg) 
Performance Level  d (Proof Test Interval 1 year) 
e (Proof Test Interval 1 month) 
Category  3 (Proof Test Interval 1 year) 
4 (Proof Test Interval 1 month)