Issue:
What is the intended use of the rear-mounted rotary switch on the Gray Colored M580 processor?
Product Line:
Modicon M580
Environment:
M580 Hardware
Resolution:
Use the rotary switch on the back of each M580 PAC to configure a cybersecurity operating mode for the module: (future versions)
Switch positions are:
• Standard: the module supports basic cybersecurity features.
• Advanced: the module supports advanced cybersecurity features.
• Reset: the module returns to its out-of-the box cybersecurity setting.
The out-of-the-box switch position is Standard.
NOTE: The operating mode rotary selector switch will be made operational for future
product releases. For this product release, operating mode is automatically set to
Standard, regardless of the switch position. (As of 11/13/2025)
See attachment for more info