Troubleshooting – ProSoft Technology MVI69-FLN User 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.