Allen-Bradley 1756-CNB/E, User Manual

Page: 125 / 186

Publication 1756-UM523F-EN-P - December 2006
Maintain and Troubleshoot the System 125
Four-Character Display Readings
For this information about a
CNB module Display Where
Address of the module A#
xx xx
is the node address of the module.
Percent of CPU usage %C
xx xx
is the percent of CPU usage. The range for the display is 00 - 99%.
Number of open connections nC xx
xx
is the number of open connections that the module is using.
Number of unconnected client
buffers Uc
xx xx
is the number of unconnected client buffers that the module is using. You see this
number only if the module is using 80% of its buffers or more. The module stops showing
the number if the number drops below 50%.
Number of unconnected server
buffers Us
xx xx
is the number of unconnected server buffers that the module is using. You see this
number only if the module is using 80% of its buffers or more. The module stops showing
the number if the number drops below 50%.
State of the module’s keeper
function Kp
xx xx
is the state of the module’s keeper function.
If
xx
is Then the module is
Ai Active network keeper with either:
•
invalid keeper information
or
•
keeper signature that does not match the keeper signature of the network.
Av Active network keeper with:
•
valid keeper information.
•
keeper signature that defines the keeper signature of the network.
Ii Inactive network keeper with either:
•
invalid keeper information
or
•
keeper signature that does not match the keeper signature of the network.
Iv Inactive network keeper with valid keeper information that matches the
keeper signature of the network.
Oi
•
Powering up with invalid keeper information
or
•
offline with invalid keeper information.
Ov
•
Powering up with valid keeper information that may or may not match the
keeper signature of the network
or
•
offline with valid keeper information that may or may not match the
keeper signature of the network.
Number of times that the
bandwidth of the module was
exceeded Bx
nn nn
is the number of times that the bandwidth of the module was exceeded (bandwidth
exceeded error) since the module was turned off or reset. You see this number only if the
number is more than zero.