[foxboro] PIO Bus access error on "A" or "B"
- From: "Boulay, Russ" <russ.boulay@xxxxxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Wed, 12 Nov 2008 07:38:56 -0500
Russ Boulay
Support Engineering Manager (GCS)
Invensys Process Systems
Foxboro, MA, USA 02035
Telephone: +1-866-746-6477 (USA, Canada)
+1-508-549-2424 (Worldwide)
E-mail: ips.csc@xxxxxxxxxxxxxxxx
-----Original Message-----
From: Boulay, Russ
Sent: Wednesday, November 12, 2008 07:38 AM
To: Boulay, Russ
Subject: RE: [foxboro] PIO Bus access error on "A" or "B"
It appears that your errors are 100 Series FBM related since FCM10E are
fine while DCM10E and FBI10E are not.
Check your terminations. With your setup there may be several
terminations in a fieldbus both resistor and bnc. Check carefully.
As to the counters;
The GCS website knowledgebase has two FAQ's when you query on PIOEFT.
________________________________________________________________________
FAQ180
FAQ
What are PIOEFT and PIOEGB counters? What do they convey, and how can
they be monitored?
March 28, 2008
Question
What are PIOEFT and PIOEGB counters? What do they convey, and how can
they be monitored?
Answer
A PIOEFT counter (or FT Mismatch) keeps track of the number of PIO input
mismatches on the Fieldbus.
This occurs if the Primary and the Shadow CPs receive different data
from the FBMs. A non-zero number indicates possible hardware problems:
with one of the two CP modules or the X bus connection, or bad FBM
module, or bad FCM module, or cable, or terminator. PIOEGB (or FBM State
Change) keeps track of the number of good to bad FBM status transitions.
It is common for this counter to be non zero during system startup and
checkout, but it should not increment during stable system operation.
This counter can increment prior to FBM going offline/online messages in
System Monitor. If this counter increases over time, the System should
be monitored for FBM or Fieldbus problems.
Possible fieldbus problems are: noise, old EEPROM revision, old hardware
revision, bad cables, bad connectors, bad terminators or bad terminating
resistors.
For more information on both counters, refer to document B0193AX (vol 3)
Integrated Control Block and Aim for the section about Station Block
Parameters.
__________________________________________________
Solution 235
How do I reset error counters in the CP Station Block from the command
line?
February 21, 2008
Problem Description
There are several counters in the Control Processor Station Blocks that
can be reset from the Station Block Default Display. How do I use the
command line to reset counters?
The parameters are retrieved using:
omget LTRBUG_STA:STATION.OMOVRN
omget LTRBUG_STA:STATION.CUMOVR
omget LTRBUG_STA:STATION.PIOEGB, also PIOEFT and PIOE1R
Fix/Resolution
These counters are reset to zero by by setting the respective reset
boolean parameter to True:
Use these commands:
omset -b T LTRBUG_STA:STATION.RSOMOV
omset -b T LTRBUG_STA:STATION.RESOVR
omset -b T LTRBUG_STA:STATION.PIORST
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Ajit.S.Kumar@xxxxxxxxxxxxx
Sent: Wednesday, November 12, 2008 07:12 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] PIO Bus access error on "A" or "B"
Dear Experts,
We are facing few problems with our CP 30 ,40,60s ...It keeps failing
with
PIO Bus access error on "A" or "B". After reboot it works fine for
couple
of days / months and fails again.
Replacement of CP is still the same. No Improvement. Grounding has been
checked and ferrite installed for CP60. Noticed there is no problem of
repeated failure of CP60 with FCM10E, but DCM10E and FBI10E the failure
are seen escalating.
Secondly , Could anybody let me know why the Compound / Block and OB
Overruns are very high, and I would like to know what's
PIOE1R,PIOEFT,PIOEGB ..Is there a good manual where I could get the
information and Can these counters be reset.
Thanks in advance
Regards
Ajit kumar
Saudi aramco Mob. Refinery.
IDLETM = Idle Time; CUMOVR = Cmpnd/Blk Overruns; OMOVRN = OM Overruns
PIOE1R = FB Retries; PIOEFT = Fault Tolerant Output mismatches
PIOEGB = Good->Bad FBM state changes; PP_NFD = Points NOT Found
CPLBUG IDLETM CPLOAD CUMOVR OMOVRN PIOE1R PIOEFT PIOEGB PP_NFD
A1CP01 47.3 19.60 52655 463152 0 48 609 0
A1CP02 79.4 7.00 0 0 0 0 0 0
A1CP03 84.8 6.80 0 305 0 0 0 0
A1CP04 68.2 11.80 66 16 0 0 0 0
A1CP05 84.3 4.60 1666732 8333 0 0 0 0
A2CP01 40.6 21.00 6262 20247 0 51 114 0
A2CP02 70.4 13.60 1 65580 0 0 0 0
A2CP03 69.3 13.60 0 28613 0 0 0 2
A2CP04 90.0 5.40 0 0 0 0 0 0
A2CP05 88.5 2.60 0 86 0 0 0 0
B1CP01 68.4 19.00 24988 112043 0 268 3253 0
B1CP02 76.8 6.00 0 26 0 0 0 0
B1CP03 70.1 11.20 1 11 0 0 0 0
B1CP04 73.4 21.80 5421794 87795 0 0 0 11
B1CP05 77.5 9.40 1666891 381400 0 0 0 0
B2CP01 81.7 12.40 3878 3294 0 53 236 1
S1CP01 79.4 18.20 2 502 0 5 0 0
S2CP01 64.4 32.00 4 382 0 7 69 0
S7CP01 70.2 25.80 8 623 0 8 19 0
S1CP03 82.9 86.00 650 388 0 698 22145 0
S1CP04 88.6 31.20 866 579 0 2 12274 0
S2CP04 91.8 25.00 0 945 0 0 2185 0
S3CP03 90.6 23.80 17 566 0 93 3299 0
S3CP04 92.4 24.00 2 319 0 24 4940 0
S3CP05 89.1 22.00 70 91 0 3726 5910 1
S4CP01 90.8 38.20 1575 2236 0 3 5296 0
S4CP03 93.0 16.40 4 2158 0 10 1802 0
S5CP02 85.4 50.00 668 302 0 4 2803 0
S5CP04 92.4 10.20 0 237 0 1 84 0
S5CP05 82.3 44.00 439 398 0 29 7315 0
S7CP03 90.0 20.80 0 411 0 0 1082 0
S8CP01 90.4 36.00 835 90 0 1 4262 0
S8CP02 84.0 78.60 776 207 0 1959 59147 0
S8CP03 86.2 62.00 92 145 0 305 7839 4
S8CP04 94.3 22.40 0 61 0 2 240 0
S8CP05 88.4 26.80 3 216 0 7 1100 0
S9CP02 86.1 66.00 2137 331 0 215664 25935 0
S9CP03 90.2 22.40 0 765 0 0 155 0
OMCP12 53.5 50.40 0 0 0 0 18 0
OMCP17 87.6 4.00 0 0 0 0 672 0
S1CP12 64.1 42.60 0 228 0 0 175 0
S2CP12 77.4 22.20 0 174 0 0 0 0
S2CP13 71.1 33.60 0 393 0 0 44 0
S3CP11 69.7 36.20 0 410 0 0 37 0
S3CP12 70.4 32.00 0 244 0 0 50 0
S3CP16 79.7 28.80 0 41 0 0 1346 0
S3CP17 80.6 28.00 0 48 0 0 78 0
S3CP18 80.2 28.00 0 31 0 0 127 0
S4CP12 75.9 28.40 0 1519 0 0 0 0
S5CP11 72.6 26.00 0 296 0 0 93 0
S5CP13 67.0 38.00 0 239 0 0 2 0
S6CP11 76.5 26.80 0 237 0 0 2061 0
S6CP12 71.1 32.00 0 142 0 0 104 0
S6CP13 81.1 19.00 0 221 0 0 4367 0
S6CP14 80.7 20.20 0 265 0 0 97 0
S6CP15 77.5 28.40 0 104 0 0 9335 0
S6CP16 82.9 20.00 0 35 0 0 4509 0
S6CP17 80.6 13.00 0 143 0 0 126 0
S6CP18 74.2 38.00 0 5 0 0 0 0
S7CP12 71.3 32.00 0 364 0 0 3 0
S9CP11 73.2 34.00 0 668 0 0 76 0
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