D.5 Safe Disable Input
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Safe Disable Input Function
This section explains the Safe Disable function. Contact Yaskawa if more information is required.
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Safety Standards
The TUV mark indicates compliance with safety standards.
Figure D.13 TUV Mark
Table D.12 Safety Standards and Applicable Harmonized Standards
Safety Standards Applicable Harmonized Standards
Functional Safety
IEC/EN 61508 series: 2010 (SIL3)
IEC 62061/A1: 2012 (SIL CL 3)
EN 62061/A1: 2013 (SIL CL 3)
IEC 61800-5-2: 2007 (SIL3)
EN 61800-5-2: 2007 (SIL3)
Safety of Machinery EN ISO 13849-1/AC: 2008 (PL e (Cat.3))
EMC IEC/EN 61326-3-1: 2008 (EMC-related)
The Safe Disable function is in compliance with these standards.
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Specifications
The Safe Disable inputs provide a stop function in compliance with “Safe Torque Off” as defined in the IEC/EN 61800-5-2.
Safe Disable inputs have been designed to meet the requirements of the EN ISO 13849-1 and IEC/EN 61508.
A Safe Disable Status Monitor for error detection in the safety circuit is also provided.
Table D.13 Specifications for Safe Disable Function
Inputs/Outputs
• Input signal specifications
Signal ON level: 18 to 28 Vdc
Signal OFF level: -4 to 4 Vdc
• Inputs: 2
Safe Disable inputs H1, H2
• Outputs: 1
Safe Disable Monitor output EDM (DM+, DM-)
Response Time from Input Open to Drive
Output Stop
Shorter than 3 ms
Response Time from Input Open of H1 and H2
Terminals to EDM
Shorter than 4 ms
Failure Probability
Demand Rate Low
PFD = 11.04E
-6
Demand Rate High/
Continuous
PFH = 2.67E
-9
Performance Level
The Safe Disable inputs satisfy the following requirements (DC from EDM considered) Performance
Level (PL) e according to EN ISO 13849-1
HFT (Hardware Fault Tolerance) N = 1
Classification of Subsystem Type B
D.5 Safe Disable Input
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YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
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