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Order Picking System

picking by means of pick-by-light and pick-to-tote solution

Economic picking of very broad article assortments

The automated picking system OPS represents the integration of an automated small parts warehouse (AS/RS), a distribution loop, and upstream picking workstations. The articles used at the OPS picking workstations are provided for picking according to the goods-to-person-principle - order-related and in the right sequence.

Storage and retrieval is de-coupled from picking by means of integrated sequence buffers. OPS enables storage and order picking in one system. It has proven to be very cost-efficient and effective for the automated handling of a very broad article spectrum. In fact, many OPS installations are handling up to 100,000 different articles.

OPS is especially interesting for spare parts distribution, as the system supports various picking variants. Besides a serial 1:1 order picking, it also enables a parallel picking into several order totes. WITRON has realized systems that enable picking of up to 20 store totes per pick workstation at one time. Another OPS version is the use of segmented storage and order totes. It enables the handling of a considerably broad article spectrum that consists of very small articles without any problems. Pick and pack functionalities can be integrated into all system versions.


Level of automation:

Picking units:
Single items + small-volume products

Handling of a broad article range, High flexibility within the picking process (1:1, parallel in many cases, Pick + Pack), Goods-to-person

Industry sector:
Parts distribution / packaging / end customer supply


  • Picking principle: Goods-to-person
  • Comfortable handling of a broad article range
  • Combination of an automated small parts warehouse (AS/RS) with stationary, ergonomic pick locations
  • Possible to pick several order totes at the same time
  • Automatic generation and sequence-friendly provision (sequence buffer) of the picking goods at the pick stations
  • Provision of every storage tote at each individual pick location possible (loop)
  • Walking is eliminated completely - seated picking is possible
  • Footprint savings due to compact modular design