Standards Compliance
5
5.3 Safe Disable Input
YASKAWA SIEPYEULA5001C LA500 Technical Manual 125
5.3 Safe Disable Input
◆ Overview
This section gives precautions to support the Safe Disable input. Contact Yaskawa for more information.
The safety function complies with the standards shown in Table 5.7.
Table 5.7 Applied Unified Standards
Function Unified Standards
Functional Safety
EN 62061 (SILCL3)
EN 61800-5-2 (SIL3)
Machine Safety
ISO/EN ISO 13849-1:2015 (Cat.3, PL e)
EMC
EN 61800-3
LVD
EN 61800-5-1
Note:
SIL = Safety Integrity Level.
Table 5.8 Applied Standards
Function Applied Standards
RoHS
EN/IEC 63000
EU ErP Directive
2009/125/EC
This product meets the requirements for IE2 efficiency according to the European regulation 2019/1781.
The losses and the efficiency class were determined in accordance with EN 61800-9-2.
◆ Safe Disable Specifications
The Safe Disable input provides the stop function that complies with “Safe Torque Off” as specified by IEC/EN
61800-5-2. The Safe Disable input meets the requirements of ISO/EN ISO 13849-1:2015 (Cat.3, PL e) and IEC/
EN 61508. It also has a safety status monitor to detect safety circuit errors.
When you install the drive as a component in a system, you must make sure that the system complies with the
applicable safety standards.
Refer to Table 5.9 for safety function specifications.
Table 5.9 Safe Disable Specifications
Item Description
Input/Output
• Input: 2
Safe Disable input (H1, H2)
Signal ON level: 18 Vdc to 28 Vdc
Signal OFF level: -4 Vdc to +4 Vdc
• Output: 1
MFDO safety monitor output for external device monitor (EDM)
Response time from when the input opens to when the drive output stops 3 ms or less
Response time from when the H1 and H2 terminal inputs open to when the EDM
signal operates
30 ms or less
Failure probability
Less frequent operation request mode PFD = 1.38E
-5
Frequent operation request mode or
continuous mode
PFH = 3.35E
-9
Performance level
The Safe Disable input complies with the performance level requirements of EN ISO 13849-
1.
HFT (hardware fault tolerance) N = 1
Type of subsystem Type B
MTTF
D
High
DCavg Medium
Mission time 10 years
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