MTTR / MTBR Calculation
Dear All,
I just want to confirm one thing that mttr/mtbr is calculated from breakdown notification from Breakdown Duration. But now if we are also updating Malfunctioning start and end time in other notification types (Because we need to know time occured in other maintenance also) but NOT doing tick on breakdown.
Hope it will not make any impact on mttr and mtbr reports.
plz share.
thanks
DM
hi
Unless you mark the Breakdown in notification ,it will not consider for MTTR/MTBF calculation
regards
thyagarajan
Similar Messages
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ZReport for MTTR & MTBR calculation monthwise?
Dear Expert,
We are exploring a way to show the MTTR and MTBR through Z reports for the particular period say for the month of June where the Value of MTTR is coming out correctly but the MTBR is showing from the date of Go live , can there be a field from where I can select from date wise, I check in table S070 with EQUNR. Put SEQTBR/SMSAUS data in this field but value is not what I want.
I need some tips from this community to solve this dilemma...
Regards
Sanjay SahaniHi Sanjay,
Can you explain your MTTR / MTBR defination.
As you wrote it is for specific duration it means that there should be some diffrent time zones for same z reports.
Please ealborate on requirement.
Ramesh re -
MCJB-mttr/mtbr data resides in whcih table
I have a feild called downtime in the MTTR/MTBR reprt in T.Code MCJB i want to know in which table is this data residing .Quick response will be highly appreciated.
Thanks & Regards
Mzee.Hello,
MTTR/MTBR & Downdown Time is calculated on the basis of realtime, this value is not upadted in any table.
when you execute MCJB transaction the calculation done on Logic to calaculate the MTTR/MTBR & Downdown Time with help of data in tables VIQMEL,EQUI & S070 which is display as Output of MCJB on real time.
Regards,
Rakesh -
Dear Sir's,
Our User want to know the process, How to calculation of MTTR/MTBR in MCJB Report.
And I am new for PM.
Please tell me the whole process , step by step how to put the values and what is the master data for this and how to calculate the MTTR/MTBR report.
Thanks in advance.Hi Sharma,
Thanks for using the BPX! However you are one the Higher Education & Research BPX. Please try one of the following sites to get the appropiate experts helping you out:
- Enterprise Asset Management (SAP EAM)
Or outside the SAP SDN bpx:
- http://www.sap-basis-abap.com/sappm.htm
- https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/86f7b690-0201-0010-c49c-eade0473022a
- http://www.itjobswatch.co.uk/contracts/uk/sap%20pm.do
- http://www.sap-img.com/sap-pm.htm
- http://www.sap-img.com/plant/questions-answers-on-pm-equipment.htm
- http://www.sap-img.com/plant/sap-pm-questions-answers-on-functional-locations.htm
- http://www.sap-img.com/sap-pm.htm
br,
Rob -
MTTR , MTBR, break down analysis reports
Hello ,
I am new to PM module. I want to understand basic concept of MTTR and MTBR and the SAP config. required to get the above metioned reports in SAP.
It will be a great help if some one can elaborate steps required in config. and prerequisites to fetch the reports from the scratch.
Related links, documents will also be a great help for me.
ThanksHi AR1,
There are three cases which are important for the breakdown analysis. These are represented in the following diagram, which displays two reported breakdowns in each case.
Three Cases for Breakdown Analysis
Key Figures for Downtime
The key figures for downtime comprise the following figures:
u2022 Downtime entered/Time To Repair
u2022 Mean Time to Repair
The average duration of a machine breakdown, MTTR (Mean Time To Repair), is calculated from the individual history of a piece of equipment. This gives the following formula:
The key figure MTTR is calculated in hours.
First breakdown 10 hours
Second breakdown 05 hours
Number of breakdowns 02
MTTR = 10 + 5 / 2 = 7.5 hours
To calculate the key figure Mean Time To Repair, in the breakdown analysis (information structure S070) the effective breakdowns and the number of effective breakdowns are taken into account. In all other analyses (and the underlying information structures) the noted breakdown duration and the number of noted breakdowns are taken into account.
Key Figures for Duration Between Machine Breakdowns
The key figures for the duration between machine breakdowns comprise the following ratios:
u2022 Time between Repair
u2022 Mean Time between Repair
The average duration between two machine breakdowns, MTBR for short (Average Time between Repair), is calculated from the individual history of the equipment. This gives the following formula:
The key figure MTBR is calculated in hours.
The following example shows how the MTBR is calculated:
Acquisition date of pump A 01.01.94
First breakdown 10.01.94
Downtime 10 hours
Second breakdown 20.01.94
Downtime 5 hours
Number of breakdowns 2
MTBR = (19 * 24 - 10) / 2 or X + Y (hr) / 2
= (456 - 10) / 2 or (216 + 240 - 10) / 2
= 223 hours
Example: Average Duration Between Two Machine Breakdowns (MTBR)
Hope it may help to you
Regards
Srinivas -
Dear All,
As per my knowledge MTTR/MTBR reports are calculated on the basis of START UP that we maintain in equipment master...and VALID from date have NO ROLE in this report.?? AM i rite ? One more thing there is one field 'TIME BETWN REPAIR" wat does it show, can anyone help?
rgrds
DMHi deepak
As you said for calculating the MTTR/MTBF the start up date will be taken up by the system,whereas if you not specified the start up date then the date of first malfunction end will be considered.
you can also specify what is the MTTR/MTBF for the time period ie for last year by specifying the valid from date
Time between repair is tme actauly take to get back the system in to operation, whereas Mean time is the average calculated based on time taken and breakdown entered
regards
thyagarajan -
What are the prerequisite for getting MTTR / MTBR data.
Dear SAP Experts,
I want to know what are the prerequisite for getting MTTR / MTBR data.
Regards
ERP TechPre-requisites are:
Maintain Start date in Equipment / Functional location master
Maintain the Malfunction Start date & time, Malfunction End Date & time in Notification
Maintain the Breakdown tick mark in notification
Maintain update group (stats) in Notification type configuration (IMG - Plant Maintenance & Customer Service - Maintenance & Service Processing - Maintenance & Service Notifications - Notification types - Define Notification types) -
Hi all,
Can somebody say which is the correct data source for MTTR/MTBR. I'm trying to use 2LIS_17_I0NOTIF. But it doesn't have fields for start & end date, time of malfunction. But these fields are mapped in standard infosource 2LIS_17_NOTIF.
With regards,
VMKumar.Hi Jijo,
We are using 2LIS_17_I0NOTIF and it has both AUZTB (Malfunc end) and AUZTV (Malfunc Start)....check again.
Regards.
Edited by: Venu Gopal on Jul 7, 2009 3:35 PM -
Transformation for MTTR / MTBR
Dear all,
The requirement is to create a report for MTTR & MTBR with total no. of breakdown and no. of breakdown during production hours.
I'm trying to use the standard DSO's 0PM_DS01 (Downtime Notification) & 0PM_DS02 (MTTR / MTBR).
When I'm migrating the standard update rules 0PM_DS01 2LIS_17_NOTIF & 0PM_DS02 80PM_DS01 into transformation system gives syntex error in routine (Rule (target: 0DWNTM_EFF, group: 02 Standard Group): Syntax error in routine).
When I checked inside the routine the following error message is displayed.
(E:Field "RESULT_TABLE[]" is unknown. It is neither in one of the
specified tables nor defined by a "DATA" statement. "DATA" statement)
Please suggest the logic which needs to be followed while migrating the update rule into transformation.
With regards,
Muthu.Hi Jijo
You need to re-write the code in the end routine with the records that are available in the result_package.
RESULT TABLE concept no longer exists in BI 7.0.
Thanks. -
BREAKDOWN ANALYSIS V/S MTTR-MTBR ANALYSIS
Dear Friends,
I want to know what is the difference between MTTR-MTBR analysis and Breakdown analysis?
T-code for Breakdown Analysis is MCI7 in Standard analysis but this shows the MTTR-MTBR Analysis then if this is the MTTR-MTBR Analysis, then how can we find out the actual breakdown analysis from sap?
Thanks in advanceHI,
Suppose take an equipment K3001 -compressor
It fails 2 times this month.
Then Breakdown is 2.
MTBF - is Mean time between failure
The running hour between these two breakdown is MTBF For ex: 150 hr
MTTR - is Mean time to repair.
After Breakdown the time you take to repair and make it operable is MTTR for ex: 8 hr
MCJB & MCJC - MTTR -MTBF report -
Query on MCJC - MTTR/MTBR Functional Location report in Plant Maintenance
We have recently upgraded our SAP 4.7 system to mySAP ERP 2005 ecc6.0.
We are facing problem in report derived using tcode'MCJC' in Plant Maintenance.When we execute MCJC (MCJC - MTTR/MTBR Functional Location ) transaction, there is no data appearing in the report output.This report is used to get the functional locationwise data from maintenance order. The transactions are entered for creating maintenance order & notifications through IW31. This is getting updated in table s070.
This is a standard report and was working fine in SAP 4.7.Hello Mr Subrahmanyam,
When you are saying that the Equipment is in Breakdown, it may happen that the whols FLock could be considered in Break down, but not necessary,
say we take an Example of a Work Shop, where Mechanical Workshop is the Functional Location and it has N no of Equipments like Lath, Grinding m/c, Welding M/c, Shaper Etc.... in this case can you please tell me if only one of the above mentioned Equipment is under Break down can the Whole Mechanical Workshop be termed as under Shut down.
What you are saying is correct in the Line Production, where we can have the Predessing as well as the Succeding Equipments, there for the Critical Equipment you generally have a Back-up Equipment, may be possible the capacity of the Backup might not be same as the mail Equipment, but still it can serve the Purpose for the Time Being. in that condition how can you say that the whole FLock is in Breakdown.
Hope I am able to clarify.
Regards,
Yawar Khan -
PMIS : MTTR/MTBR - Equipment
Hi Experts,
I want to know the data in PMIS : MTTR/MTBR - Equipment, but after input equipment, there are no data record. I also do set the breakdown indicator check box in the notification and also enter malfunction start date and mallfunction end date and in SPRO setting, creation of notification type I have to give update group -26 but the result is still no data.
How Should I do to get the data in in PMIS : MTTR/MTBR - Equipment?thx for the great answer.
Best Regrads,
Bernardus JaluCheck this thread, you may get some clue.
Breakdown analysis report (MCI7)
Are you getting any details in Breakdown Analysis report (MCI7)? -
MTTR MTBR Report on Assembly Level
Dear All
Standard MCJB report give the MTTR and MTBR report on Equipment Level. we need it on Assembly level. for that we did changes on LIS. we create the new Info Structure by coping S070 and added Assembly.
with this Assembly is now coming in the report but the Time is not getting Update. Please help me on this..
Regards
Ankit..Hello
First You need to create the notification for assemblies then you can see the MTTR & MTBR Time in report.
Can you explain that ,your creating any Notification for Assemblies if so please check the weather that notification in Completed status
Regards,
Rakesh
Edited by: RAKESH ASHOK MANE on Jul 29, 2010 4:39 PM -
MTTR/MTBR Breakdown and Machine Failure Time
We create PM Notification with the IW24 where we enter the Breakdown time.
The problem is that we need to monitor the MTTR/MTBR (MCJB, MCJC & MCI7) but only when there is a breakdown because of a malfuction of the machine (machine failure) and not for a non-machine-cause breakdown. We need to register both times (Breakdown, and Machine Failure).
I think that an option is using these 3 scenarios:
1. If we select the "Breakdown box" it will be a machine failure.
2. If we not select the "Breakdown box", but there is a quantity on the "Breakdown duration" .. It will represent that there were a Breakdown.
3. If we not select the "Breakdown box", but there is NOT a quantity on the "Breakdown duration" .. It will represent that there were NOT a Breakdown.
The problem is that if we use the 3rd scenario, when we save the Notification (or the PM Order) the time disappears.
¿There is an option to save the time even do the "Breakdown box" is not selected?
¿Where can I configurate the PM Notification? ¿Or where can I configurate the MTTR/MTBR (MCJB, MCJC or MCI7)?Hello
Manzarek ,
I will suggest you following;
1.Just create different different notification types for all your scenarios.
2.Just select the breakdown vies in the notification type where the actual machine breakdown occurs due to machine failure.
The path for that is
Plant Maintenance and Customer Service->Maintenance and Service Processing->Notification Creation->Notification Types->Define Notification Types
3. You can not directly enter the breakdown time without completion of the same.
Regards
Naveen -
MTTR/MTBR report......
Dear All,
As per my knowledge we have mttr/mtbr reports straightway available in system, but they calculate from the start date till current time..............accumulative.
But if i want some month wise comparison, or monthly MTTR/MTBR reports,,,,,,,,and others like COST Comparison,,,do we have available in SAP??
PLz guide
rgrd
DMDear
For SAP std Report u have the look at MCI1 to MCI 8. If you need any specific dates not from Period wise , Better u can create ABAP report.
The Breakdwon, Costing (MaterialactivityServices), Planner Grps, Actions (agst Brk down) in one report.
Make mandatoty fields for Planr Grp, Wrk center, Cause, Damage at Notification , order.
U can go for own according to the client requiremnet. I think u got some points from all submited earlier post also.
If any ?
Thenna
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