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7.7.5 CNXN status
The following states of the connections are displayed:
PE - Predefined Mode Explicit connection status .
1.
2.
PP - Predefined Mode Polled connection status .
3.
UE - UCMM Explicit connection status.
Every single state can assume following values:
·
0 = does not exist.
·
1 = Configuring.
·
2 = Waiting for ID.
·
3 = Established.
·
4 = Timed-out.
·
5 = Deferred.
The following table shows the values of the single states corresponding to specific
operating conditions
UE might have values different from zero occasionally for some seconds from
1)
the allocation by PLC.
7.7.6 I/O CNXN status
The following states of the I/O connections are displayed:
1.
EPR Expected Packet Rate; milliseconds indicating the Timeout, set by the
Master.
2.
C Consuption Length; number of byte consumed (direction Master->Slave);
set by the Master, for the board SBI is 8.
P Produced Length; number of byte produced (direction Slave->Master) ; set
3.
by the Master, for the board SBI is 8.
7.7.7 DUP MAC ID TEST (DMC)
The SBI board carries out a Test to check if there is another node with the same
address (Duplicate MAC ID) in the network; if there is a duplication of a node ad-
66
——————
GEFRAN
CONDITION
Disconnected SBI card
Connected PLC
Disconnected PLC
Interface Board DeviceNet
PE
PP
UE
1)
0
0
0
1)
0
3
3
1)
0
3
4 or 0
dn6010
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