User Manual

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(ICSTT-RM449_EN_P) Issue 04:
PFH avg and PFD avg Data (AADvance Controller)
T9451 Digital output module, 24Vdc, 8
channel, isolated, commoned
1.22E-5 2.43E-5 3.81E-4 4.00E-6
T9481 Analogue output module, 3
channel, isolated
3.93E-5 7.75E-5 1.48E-3 3.49E-5
T9482 Analogue output module, 8
channel, isolated
3.93E-5 7.75E-5 1.48E-3 3.49E-5
PFD Data
PFD Data PFD Data
PFD Data -
--
- 24 Hour MTTR
24 Hour MTTR24 Hour MTTR
24 Hour MTTR
The following tables provide the probability of failures upon demand for the energize
to action and de-energize to action Safety Instrumented Function (SIF) configurations.
Manual Test Interval is as indicated.
Table 6:
Table 6: Table 6:
Table 6: PFD Data for a SIF with MTI = 6 months
PFD Data for a SIF with MTI = 6 monthsPFD Data for a SIF with MTI = 6 months
PFD Data for a SIF with MTI = 6 months
Module Module Description PFDde PFDe
Single Dual Triple Single Dual Triple
T9110 Processor module 6.71E-5 2.98E-7 3.16E-7 8.69E-5 4.88E-7 5.20E-7
T9401 Digital input module, 24Vdc, 8
channel, isolated
3.48E-6 2.24E-7 2.24E-7 5.92E-6 2.40E-7 2.40E-7
T9402 Digital input module, 24Vdc, 16
channel, isolated
3.48E-6 2.24E-7 2.24E-7 5.92E-6 2.40E-7 2.40E-7
T9431 Analogue input module, 8 channel,
isolated
3.48E-6 2.24E-7 2.24E-7 5.92E-6 2.40E-7 2.40E-7
T9432 Analogue input module, 16
channel, isolated
3.48E-6 2.24E-7 2.24E-7 5.92E-6 2.40E-7 2.40E-7
T9451 Digital output module, 24Vdc, 8
channel, isolated, commoned
1.10E-6 2.21E-6 2.76E-5 2.77E-7
T9481 Analogue output module, 3
channel, isolated
2.07E-6 4.01E-6 8.67E-5 2.60E-6
T9482 Analogue output module, 8
channel, isolated
2.07E-6 4.01E-6 8.67E-5 2.60E-6
Table 7:
Table 7: Table 7:
Table 7: PFD Data for a SIF with MTI = 1 Year
PFD Data for a SIF with MTI = 1 YearPFD Data for a SIF with MTI = 1 Year
PFD Data for a SIF with MTI = 1 Year
Module Module Description PFDde PFDe
Single Dual Triple Single Dual Triple
T9110 Processor module 1.26E-4 5.13E-7 5.77E-7 1.62E-4 8.55E-7 9.61E-7