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ID : 1207
Safety Performance of the Safety Functions
This page describes the safety performance of the safety functions.
The following are calculated under the worst conditions. In addition, the calculation is made under the condition that the mission time is 20 years.
Safety Performance of the Safety Functions
Safe Torque Off (STO)
Input from TP (Emergency Stop Button, Deadman Switch),
Mini-Pendant (Emergency Stop Button, Deadman Switch), and
Safety I/Os (Emergency Stop Signal, Protective Stop Signal, Enable Auto Signal)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 163.2 | 99 | 5.31× 10-10 | 4.63 × 10-5 | e |
Input from TP (Mode Selector Switch) and
Mini-Pendant (Mode Selector Switch)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 45.0 | 97.4 | 1.37× 10-9 | 1.13 × 10-4 | d |
Input from the Encoder
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 50.0 | 93.4 | 1.50× 10-9 | 1.23 × 10-4 | d |
Safe Stop 1 (SS1)
Input from TP (Emergency Stop Button, Deadman Switch),
Mini-Pendant (Emergency Stop Button, Deadman Switch), and
Safety I/Os (Emergency Stop Signal, Protective Stop Signal, Enable Auto Signal)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 176.6 | 99 | 5.19× 10-10 | 4.53× 10-5 | e |
Input from TP (Mode Selector Switch) and
Mini-Pendant (Mode Selector Switch)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 46.0 | 97.3 | 1.35× 10-9 | 1.12 × 10-4 | d |
Input from the Encoder
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 50.0 | 92.9 | 1.49× 10-9 | 1.22 × 10-4 | d |
Safe Stop 2 (SS1)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 50.0 | 97.0 | 7.96× 10-10 | 6.82 × 10-5 | d |
The values above are the result of the calculation targeting the robot controller's safety function.
Safe Operating Stop (SOS)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 50.0 | 97.0 | 7.96× 10-10 | 6.82 × 10-5 | d |
The values above are the result of the calculation targeting the robot controller's safety function.
Safely-Limited Position (SLP)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 50.0 | 96.7 | 7.77× 10-10 | 6.67 × 10-5 | d |
The values above are the result of the calculation targeting the robot controller's safety function.
Robot Speed Monitoring (RSM)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 50.0 | 97.8 | 9.08× 10-10 | 7.72 × 10-5 | d |
The values above are the result of the calculation targeting the robot controller's safety function.
Robot Position Monitoring (RPM)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 50.0 | 95.9 | 1.68× 10-10 | 1.37× 10-4 | d |
The values above are the result of the calculation targeting the robot controller's safety function.
Safe Brake Control (SBC)
Input from TP (Emergency Stop Button, Deadman Switch),
Mini-Pendant (Emergency Stop Button, Deadman Switch), and
Safety I/Os (Emergency Stop Signal, Protective Stop Signal, Enable Auto Signal)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 165.1 | 99 | 5.30× 10-10 | 4.62 × 10-5 | e |
Input from TP (Mode Selector Switch) and
Mini-Pendant (Mode Selector Switch)
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 45.1 | 97.3 | 1.37× 10-9 | 1.13 × 10-4 | d |
Input from the Encoder
|
MTTFD (year) |
DCavg (%) |
PFH | PFDAV | PL |
|---|---|---|---|---|
| 50.0 | 93.4 | 1.50× 10-9 | 1.23 × 10-4 | d |
ID : 1207