T399I SAP table for – Planning plant parameters

Here we would like to draw your attention to T399I table in SAP. As we know it is being mainly used with the SAP PM-WOC (Maintenance Processing in PM) component which is coming under PM module (Plant Maintenance). T399I is a SAP standard transparent table used for storing Planning plant parameters related data in SAP. It comes under the package IWO1.

SAP T399I table

Table T399I technical data

TableT399I
Data storingPlanning plant parameters
ModulePM
ComponentPM-WOC
SAP PackageIWO1
Delivery ClassC – Customer table, data is only maintained by the customer
Table CategoryTRANSPARENT

SAP T399I Table Fields

Here is the details of each fields in this table.You can find the discription, data type and assigned lenth of each of the fields in T399I table.

  • IWERK : Maintenance Planning Plant
    Its a key field. Its data type is C (Character String) with field length 4
  • DAUNE : Normal duration/unit
    Its data type is C (Character String) with field length 3
  • ARBEH : Unit for work
    Its data type is C (Character String) with field length 3