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1 FUNCTIONS
1.5 RAS
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Loopback detection
In any of the following cases, a loopback may not be detected correctly.
• The master station has detected an overlapping IP address.
• Ring topology is incorrectly configured.
• A slave station is reset.
• A slave station on another network is connected.
• A slave station detects Time synchronization error (event code: 00C62) or Grandmaster switching (CC-Link IE TSN device)
(event code: 00C63).
• For the slave station parameter automatic setting, the process is completed with an error (
If a loopback cannot be detected correctly, any of the following information may not be correctly displayed or stored.
• Icon indication in the network map of "CC-Link IE TSN/CC-Link IE Field Diagnostics"
• Indication of Loopback occurrence (event code: 00C23)
• Values of 'Loopback status' (SB0065), 'Loopback station number 1' (SW0070), and 'Loopback station number 2' (SW0071)
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