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7.7.4 Status of allocation
The following states of allocation are displayed:
1.
S - Software state DNET;1.the values, which this state can assume, are:
·
0 = initialization.
·
1 = Duplicate MAC ID Check in progress.
·
2 = Duplicate MAC ID Failed.
·
3 = Pre_Loop.
·
4 = Loop.
2.
A - Bitmap of the allocations; the values are:
·
0 = No CNXN allocation.
·
1 = Explicit CNXN.
·
2 = Polled CNXN.
·
3 = Explicit + Polled CNXN.
M - MAC ID of the Master; the value is 255 if the Master has no allocation.
3.
The following table shows the values of the single states corresponding to specific
operating conditions
CONDITION
Normal functioning, the PLC
has not allocate connection yet
Normal functioning, the PLC
has allocate connections
Normal functioning, connections
goes on Timeout
Duplicate MAD ID Check in
Progress
Duplicate MAD ID failed
Pre_Loop (need some sec.)
See DMC handling.
1)
——————
SBI-DN
Meaning
No error exists
No resource available
Duplicate MacId Check error
Illegal transmission
Illegal reception
Illegal action
Time-out error
Parameter error
DeviceNet is not enabled
DeviceNet module is not present or not ok
Hardware problem
General error
STATUS
4
1
1)
1)
2
3
Interface Board DeviceNet
ALLOCATION
MAC ID
0
255
3
MasterMAC
ID
1
0
255
——————
dn6000
65
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