MRP run with MDBT

Hi all,
I'm facing a typcial problem
In MDBT -processing key is maintained as NETPL
There are 3 materials say
1.A
2.B
3.C
For all three materials NETCH is marked in the planning file entry & NETPL is blank in MD21
When i go for MRP run via MDBT then no proposal is raised for A & B,where as for C i'm getting a proposal
All three has requirement -Exected result is Planned order
Initially i thought NETPL is not active in MD21 & that is the reason i'm not getting any proposal
but i'm shocked to see proposal for material C
MRP is run with processing NETPL
Will the material marked for NETCH also be included in the run or only those materials which are marked for NETPL only will be included ?
If yes for 1st question then i feel there is a logical difference
If yes for 2nd question then why should i get proposal for material C?
Please clarify me
SVP
Guys pls respond
Edited by: SVP on Jan 8, 2009 3:55 PM

Hi Vishal,
Thanks for pointing out user exit key,i didnt noticed that,In one the variants user exit key is maintained ,MRP controller selection (CTL)
& user exit paramter also is maintained as 100 in one variant & in another as 001-099,101-500
How is this normally defined?What doen tis mean
In first case(100) does it mean that run only for thos matrials which have MRP controller as "100"
In second case rund for all materials with MRp controller (001-0990 & 101 to 500 I'm not usre on this
If yes pls let me know where we define this whole thing
Like MRP controller selection is defined as CTL -but what does it mean,where are the actual conidtions written
Very basic question may be but i'm not aware fo this,pls let me know
Once again thanks a lot for giving the lead
SVP

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ok
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