Omron NX-SL3500

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.
Additional Information
In this example, a reset switch is used to reset EDM errors.
A-3-7
D40A Non-contact Door Switches
Application Overview
Safety category/PL Safety device Stop category Reset
Equivalent to 3/PLd
(Non-contact Door Switch)
• Emergency stop pushbutton
• D40A Non-contact Door Switch
0 Manual
Motor M stops when emergency stop pushbutton S1 is pressed.
If either of the S3 safety doors (D40A Non-contact Door Switches) is opened, motor M will stop.
Appendices
A - 50
NX-series Safety Control Unit User's Manual (Z930)