YASKAWA LA500, Technical Manual

Page: 125 / 376

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