ProSoft Technology MVI69-FLN - Manual (Page 73)

Diagnostics and Troubleshooting MVI69-FLN ♦ CompactLogix Platform
FA Control Network Communication Module
ProSoft Technology, Inc. Page 73 of 137
November 3, 2008
2.4 Troubleshooting
2.4.1 Own-Node Status information
The Own Node Status register (displayed on the Own Node Status menu)
contains the following information:
Own Status Byte
Bit Message Description Value
0 Node address duplicate
(1=Error) Indicates the management information on
node number conflicted to see whether any
node having the same node number as the
self node setting exists on the network or not. 0x0001
1 TW Error (1=Error) Token watchdog time error flag indicates that
transmission processing fails to complete
within the token watchdog time set in the own
node 0x0002
2 Rx Wait Error (1=Error) Indicates that no frame has been received at
network initialization, being a frame receive
waiting status. 0x0004
3 Initialization Error
(1=Error) Indicates an error is found in an initial setting
or resetting parameter 0x0008
4 Reserved 0x0010
5 Reserved 0x0020
6 Reserved 0x0040
7 0x0080
Link Status Byte
The FA-Link Status register (displayed on the Own Node Status menu) contains
the following information:
Bit Message Description Value
0 *Node Status (1=Out-ring,
0=In-ring) Indicates whether the node is in-ringed or out-
ringed 0x0001
1 *Communication Invalid
(1=Yes, 0=No) 0x0002
2 Always 0 0x0004
3 Always 0 0x0008
4 Upper Layer Error Signal
(1=Error) Indicates that the updating of the existence
signal of the upper layer cannot be recognized 0x0010
5 Common Memory Valid
(1=Valid) Indicates the cycle data is valid 0x0020
6 Common Memory Set
(1=Complete) Indicates that the setting in the common
memory of the node is completed 0x0040
7 Address Overlap
(1=Error,0=No Error) Indicates that there is a duplication in the
common memory among the nodes connected
to the network 0x0080
*Only reported to the processor and not network where these bits are always
clear.