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Troubleshooting – ProSoft Technology MVI69-FLN User Manual

Page 73

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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.