Here is a list of important 58 transaction codes used with SAP BW-PLA component (SAP Planning in BW) coming under SAP BW Module. You will get more technical details of each of these SAP BW-PLA tcodes by clicking on the respective tcode name link.
Business Planning
Excel Interface Builder
Reminder Report STS
BPS Single Record Statistics
BPS Single Record Status Evaluation
Start STS Execution
Maintain Status and Tracking System
Trace for API in SEM-BPS
Transport Planning Customizing
Web Interface Builder
Start Web Interfaces
Start Web Interface
BPC Parameters
BPC Upload Fles
Service Designer
Modeling BI Integrated Planning
Start: Function Type Editing
BI Planning: Starter Settings
BI Planning: Lock Management
Query Definition
Transaction for Task WS40100005
Customizing for Merchandise Planning
Edit Assortment Planning Folders
Transport Retail Settings
Activation of Budget Type
Transfer of Budget Type
Create Transport Order Budget Type
Reorganization of old values
Reorganization of old budget types
Budget Monitor
Define Messagetypes
Define OTB Level
Release Workbench
Retail Purchasing Plan Settings
Define select options
Assortment Planning UI Customizing
Execute Assortment Planning in Excel
BW Installation
Customizing for Merchandise Planning
Execute Merchandise Planning Folder
Process Merchandise Planning Folder
Execute Generic Planning Folder
Edit Generic Planning Folder
Display Generic Planning Folders
Direct Start of Generic Folders
Select Planning Area
Edit Sales Planning Folders
Settings for Planning Services
Settings for Planning Services
Execute Planning
Execute Service Planning
Settings for Planning Services
UPX: Data Sources Maintenance
Execute Planning with Excel
Planning Folder Administrator PSM
Planning Folder for Bdgt Dprtmnt PSM
PSM Planning Folder
PSM Manager of Planning Folder
Click here to know details about SAP standard tables used with Planning in BW.