Omron NX-SL3500

Program
Precautions for Safe Use
• Test the functionality every six months to detect welded contactor contacts.
•
The customer is responsible for attaining conformance of the entire system to standards.
•
To detect electrical and mechanical failures, use a combination of redundant semiconductor
output contacts and redundant mechanical output devices.
• Refer to ISO 14119:2013 for additional measures to minimize the possibility of interlocking
devices associated with guards from being disabled.
A-3-6
Two-hand Switches
Application Overview
Safety category/PL Safety device Stop category Reset
Equivalent to 4/PLe Two-hand control switch 0 Auto
Motor M operates when two-hand control switches S11 and S12 are pressed at the same time.
Appendices
A - 47
NX-series Safety Control Unit User's Manual (Z930)
A-3 Application Examples
A
A-3-6 Two-hand Switches