Perform Planning Network MRP
Explanation
This activity is used to calculate the supply and demand for MRP (Material Requirement Planning) parts
(including multi-site planned parts) based on shop orders, customer orders, etc, for a particular planning network.
Parts that are sourced from an internal supply site in the planning network will be a multi-site planned part. (It
can be supplied externally as well.) Once the multi-site product structure's sourcing rules are defined,
multi-site planning can be performed. The multi-site product structures are defined regardless of the planning
networks. The system creates MRP planned orders for fulfilling demands, such as purchase or shop order
requisitions. The system also offers suggestions on planning orders for optimal manufacturing considering material
availability. MRP generates the distribution orders for the demands on the sites in the planning network.
Manufactured and acquired split data in the Inventory Part Planning Data page will
be considered when creating the supplies by MRP.
Only the sites to which the users have access, can be added or removed from a planning network. A planning
manager will enter planning network information into the system. Planners and managers can review this
information.
Prerequisites
- The sites for the network must have been defined
- The user allowed sites must have been defined.
- Multi-site planned parts must have been defined.
- Product structures must have been defined for parts, and lead times must have been established for both
purchased and manufactured parts. MRP only uses the existing product structure with the alternate denoted by
an asterisk (*).
- You must have created a master production schedule using IFS/Master Scheduling or you should run
PMRP.
- If you want to perform multi-site MRP processing, you must first define a planning network in IFS/General
Data for Inventory and Distribution as well as define multi-site planned supplier parts in IFS/Purchasing.
Note: MRP does not process parts with planning methods B - Order Point Planning, C - Replenishment Level,
M - Manufacturing Cell Part; or N - Next Level Demand.
System Effects
- Different subsets of the planning network can be planned at different times without losing important plans
from the previous results. For example, MRP will remove unreleased distribution orders that were previously
generated for the demand from the sites in the planning network. Distribution orders with the demands from
the sites outside the planning network will not be removed.
- After this process is executed, the Warning or Error status can apply. Error indicates that some critical
errors have occurred in the process, and the MRP process was stopped. Warning indicates that a message posted for
this process has to be reviewed by the user. This can be done by selecting the Show Details command in the
Background Jobs page, which displays the message in the status information table. If you decide to
continue the MRP process, the MRP will display error messages when the process is completed.
- MRP calculation will consider inventory parts where the MRP Control option in Inventory
Part/Manufacturing tab page is enabled.
- MRP will generate shop order requisitions or non-firm production schedules for parts that must be
manufactured, and it generates purchase requisitions for parts that must be purchased. Shop order requisitions
that are not converted into shop orders and non-firm production schedules are deleted the next time you start the
MRP process. MRP calculates the lowest level code of parts and updates the Low Level on the Inventory
Part/Manufacturing tab.