9.
Safety design and specifications of 11-301
STO design main requirements
Parameter
Value
PFDAVG
2.58x10-4
PFHD
1.18x10-8
PL
d
MTBF
8,096 years
DCAVG
84%
Abbreviations:
SIL
Safety Integrated Level
PFH
D
Probability of Dangerous failure Per hour
MTBF
Mean Time Between Failures
MTTR
Mean Time to Repair. ( hour)
Safety Function Requirement Specification SIL2
Initiating devices
User connected sensor or other safety devices
Hazard
Rotation of the motor (To be derived from hazard assessment)
Consequence
Human harm or damage to machinery.
Safe State
PWM removed, therefore No Voltage output from the drive.
Required Action
Detect Safe input signals and remove PWM signal.
Response Time
8
ms (from STO input signal detection to the final action of
STO)
Target SIL
SIL = 2, PL d, category 3
Demand Rate
High demand rate
Mode of
Operation
Continuous
PFHD
The PFH
D
of STO function shall be less than 0.5* 10-6
MTBF
The MTBF of drive system shall be more than 100,000 hours
Trip Mode
De-energize to trip
MTTR
No more than 4 hrs (No field repair, only change new board)
Summary of Contents for E510-201-SH
Page 1: ......
Page 28: ...3 14 b 200V 2HP 1 3PH 200V 3HP 20HP 400V 3HP 25HP IP20 NEMA1 ...
Page 29: ...3 15 c 200V 25HP 400V 30HP d 200V 30HP 40HP 400V 40HP 75HP ...
Page 51: ...3 37 3 5 Standard Wiring 10V AI1 AI2 AGND E P P ...
Page 72: ...4 6 4 1 4 Example of keypad operation Example 1 Modifying parameters ...
Page 74: ...4 8 4 1 5 Operation control ...
Page 206: ...4 140 Acceleration Deceleration calculation of mode 2 ...
Page 316: ...4 250 6 Timer mode 6 FLASH Timer mode 2 7 Timer mode 7 FLASH Timer mode 3 ...
Page 424: ...REVISIONS Date Manual Number Revision May 2017 4KA72X645T01 First edition ...
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