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About this chapter Chapter 9
Establishing connection and
verifying the LON communication
Table 12: Setting parameters for the session timers
Path in local HMI: Settings\General settings\Communication\SLM configuration\Rear optical
LON port
Table 13: LON commands
Parameter Range Default Unit Parameter description
SessionTmo 1-60 20 s Session timeout. Only to be changed
after recommendation from ABB.
RetryTmo 100-10000 2000 ms Retransmission timeout.Only to be
changed after recommendation from
ABB.
IdleAckCycle 1-30 5 s Keep active ack.Only to be changed after
recommendation from ABB.
BusyAckTmo 100-5000 300 ms Wait before sending ack.Only to be
changed after recommendation from
ABB.
ErrNackCycle 100-10000 500 ms Cyclic sending of nack. Only to be
changed after recommendation from
ABB.
Command Command description
ServicePinMsg Command with confirmation. Transfers the node adress to the LON network tool.
LONDefault Command with confirmation. Resets the LON communication in the terminal.
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