Rockwell Automation 1785-L20C_L40C, D17856.5.14 ControlNet PLC-5 Programmable Controllers User Manual - Manual (Page 75)

Chapter 5
Monitoring and Troubleshooting Your
ControlNet System
5-13
This status field:
Word;
Bits: ① Displays: ②
COUNTERS LOCKED
when the display of the counters stops changingĊthe counters continue to run in the background;
current values are continuously updated when COUNTERS LOCKED is not displayed
media usage
the media redundancy characteristic for the ControlNet channelĊ
A/B
,
A Only
, or
B Only
Frames
transmitted good
6; 15Ć08 number of good frames transmitted
transmitted good
6; 15Ć08
5; 07Ć00
5; 15Ć08
number of good frames transmitted
transmitted aborted
received good
5; 15 08
9; 07Ć00
7; 07Ć00
number of frames that could not be transmitted completely and were aborted during transmission
number of good frames received on the active channel
received good
7; 07Ć00
7; 15Ć08
6; 07Ć00
number of good frames received on the active channel
received aborted
received bad
6; 07 00
12; 07Ć00
8; 15Ć08
number of frames received that were aborted during transmission on the active channel
number of unusable frames received on the active channel
received bad
total received
8; 15Ć08 number of unusable frames received on the active channel
number of framesĊgood and badĊreceived on the active channel
channel A errors
8; 07Ć00 number of frames received on channel A that were unusable independent of the active
channelĊchannel selected for reception
channel B errors
9; 15Ć08 number of frames received on channel B that were unusable independent of the active
channelĊchannel selected for reception
channel warnings
23; 07Ć06 any channel that is receiving a low level of unusable framesĊi.e., frames containing data errors
Network Capacity
update time overload
10; 07Ć00 number of times that a NUI passes with no opportunity to transmit
update time overload
blockage
10; 07Ć00
11; 07Ć00 number of times that a NUI passes with no opportunity to transmit
number of times that a NUI does not contain enough room to allow the transmission of a particular
frame
moderator node
15; 15Ć08
frame
network address of the node that is transmitting the moderator frameĊalways the lowest active
network address
mismatch events
16; 15Ć08
network address
number of times a moderator frame was received with network parameters different from those
in the receiving node
unheard occurrences
16; 07Ć00
in the receiving node
number of times a node can receive a frame from a lower network address but cannot receive
a moderator
Misc
out of step events
10; 15Ć08 number of times any event prevents a frame from being transmitted in the NUI in which it should be
t itt d
network silent
13; 15Ć08
y p g
transmitted
number of times a node cannot hear any network activity for three consecutive NUIs
number of times that a start of frame could not be detected
noise detected
commands received
14; 15Ć08
17; 15Ć08
number of times that a start of frame could not be detected
number of station commands received directly from the network that bypass the node's host
processor
commands received
collisions
17; 15Ć08
14; 07Ć00
processor
number of times that a node prevents the transmission of a frame because it would cause a
collision to occur
① In userĆspecified Diagnostics File
② All counters display only the status of the node being examined