Scenario 1 - Replacement Device is Out-of-box and Safety Signature Exists

  1. Remove the old I/O device and install the new device.
  2. Right-click the replacement safety I/O device and choose Properties.
  3. Click the ellipse to the right of the safety network number to open the Safety Network Number dialog box.
    This image shows how to access the SNN for a replacement safety I/O module in Logix Designer.
  4. Click Set.
    This image shows how to set an I/O module's SNN in Logix Designer.
  5. Verify that the Network Status (NS) status indicator is alternating red/green on the correct device before clicking Yes on the confirmation dialog box to set the SNN and accept the replacement device.
  6. Follow your company-prescribed procedures to functionally test the replaced I/O device and system and to authorize the system for use.
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