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D.4 Safe Disable Input
Figure D.11 TUV Mark
The TUV Mark indicates compliance with safety standards.
This section explains precautions regarding the Safe Disable input. Contact Yaskawa or your nearest sales representative for
more information.
The Safety Disable function complies with the standards listed in
Table D.13 Safety Standards and Applicable EU Standards
Safety Standards
Applicable EU Standards
Functional Safety
IEC 61508:2000/EN 61508:2001(SIL2)
IEC/EN 61800-5-2: 2007 (SIL2)
Mechanical Safety
ISO 13849-1:2006 (Cat.III, PL d) / EN ISO 13849-1/AC:2009 (Cat.III, PL d)
EMC
EN 61800-3:2004/A1:2012
EN 61800-5-1:2007
Note:
SIL stands for Safety Integrity Level.
u
Specifications
The Safe Disable input provides a stop function in compliance with the “Safe Torque Off” function defined in IEC/EN
lists the specifications for the Safety Disable function.
Table D.14 Specifications for Safe Disable Function
Inputs/Outputs
• Inputs: 1
Safe Disable input H1
• Outputs: 0
Response Time from Input Open to Drive
Output Stop
Shorter than 1 ms
Failure Probability
Demand Rate Low
PFD = 1.24E
-7
Demand Rate High/
Continuous
PFH = 5.17E
-10
Performance Level
The Safe Disable inputs satisfy the following requirements in consideration of the self-diagnostic
function.
Performance Level (PL) d according to EN ISO 13849-1
HFT (Hardware Fault Tolerance)
N = 1
Classification of Subsystem
Type B
Note:
PFD = Probability of Failure on Demand
PFH = Probability of Dangerous Failure per Hour
D.4 Safe Disable Input
YASKAWA ELECTRIC SIEP C710606 18F YASKAWA AC Drive – V1000 Technical Manual
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D
Standards Compliance