KEYENCE GL-RHG Series - Manual (Page 112)

7-2 Specifications
7-4 GL-RHG-M-NO7-E
Sp
ecification
s and
Dim
ensio
ns
7
 Parameter for IEC61508
 PFHd (average frequency ofa dangerous failureper hour)
* For PFHd in serial connection, contact your nearest KEYENCE office.
T1 (Proof test interval) 20 years
Hardware fault tolerance 1
Type of element Type B
Failure response time within a response time
Safe state OSSDs are in OFF-state
Model PFHd
GL-R08HG 1.86×10 -9
GL-R12HG 2.01×10 -9
GL-R16HG 2.10×10 -9
GL-R20HG 2.25×10 -9
GL-R24HG 2.34×10 -9
GL-R28HG 2.48×10 -9
GL-R32HG 2.58×10 -9
GL-R36HG 2.72×10 -9
GL-R40HG 2.81×10 -9
GL-R44HG 2.96×10 -9
GL-R48HG 3.05×10 -9
GL-R52HG 3.20×10 -9
GL-R56HG 3.29×10 -9
GL-R60HG 3.43×10 -9
GL-R64HG 3.53×10 -9
GL-R72HG 3.76×10 -9
GL-R80HG 4.00×10 -9
GL-R88HG 4.24×10 -9
GL-R96HG 4.48Ч10 -9