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Modicon Communication Driver Manual
Three flashes, then OFF for 1.7 seconds
The Operator Station node is not hearing any other nodes. It is periodically claiming the token,
but finding no other node to pass it. Check the network link for an open or short circuit or
defective termination.
Four flashes, then OFF for 1.4 seconds
The Operator Station node has heard a valid message from another node that is using the same
address as this node. The node remains offline in this state as long as it continues to hear the
duplicate address. If the duplicate address is not heard for five seconds, the node then changes to
the pattern of one flash every second.
Summary of Contents for Cutler-Hammer PanelMate Modicon
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