ABB FPTC-02, Руководство пользователя

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Note: The failure rate of the PTC sensor is not included in the
calculations.
1. FPTC drive STO, two-channel configuration. See Wiring
example 1 (page 43) .
2. FPTC drive STO + FSO module with STO function
request, two-channel configuration. See Wiring example
2 (page 44) .
3. FPTC drive STO + external safety relay, two-channel
configuration. See Wiring example 3 (page 45) .
4. FPTC drive STO, one-channel configuration. See Wiring
example 4 (page 46) .
5. FPTC drive STO + FSO module with STO function
request, one-channel configuration. See Wiring example
5 (page 47) .
One-channel
configurations
Two-channel configurations
5 4 3 2 1 Configuration
1 1 2 2 2 SIL / SILCL
c c c c c PL
>60 >60 >90 >90 >90 SFF (%)
8.25E-09 7.68E-09 5.48E-09 5.54E-09 5.48E-09
PFH (1/h)
T
1
= 20 a
6.71E-05 6.17E-05 4.81E-05 4.88E-05 4.81E-05
PFD
avg
T
1
= 2 a
1.69E-04 1.56E-04 1.20E-04 1.21E-04 1.20E-04
PFD
avg
T
1
= 5 a
0 0 60 60 60 DC (%)
2 2 2 2 2 SC
1 1 1 1 1 Cat.
0 0 0 0 0 HFT
65 65 65 65 65 CCF
20 20 20 20 20 T
M
(a)
3AXD10000454332 E
The MTTF
D
value (EN ISO 13849-1) of the FPTC-02 module:
• 1708 years (two-channel connection)
• 1703 years (one-channel connection)
Technical data 83