Pick-by-Light Module: PTF-SL-3
PTF-SL-3
57 mm x 25 mm
The PTF-S series was developed specifically for use in highly compact shelving systems for use in highly compact shelving systems. It is particularly suitable for picking small parts. The indicator does not have a display, but is equipped with a mechanical acknowledgment button and a 2 x 7-color DUAL LED.
On the standard version of the SL-3, removal is confirmed using a confirmation button. This compartment display can be used, for example, at an assembly workstation where no quantity display is required.
More information in the main article: Pick by Light & Pick-to-Light System in 2025
Optionally, an additional central display can show further process details. The compartment displays at the workstation can be switched on either sequentially or simultaneously. The SL-3 without sensor can also be used as a target display in sorting processes (put-to-light), whereby delivery to the compartment is Pick-Radar or monitored either by scanner, acknowledgment button, or Pick-Radar .
Why different system names?
pick-by-light
The pick-by-light method is a classic picking method that uses compartment displays. The pick-by-light display shows the quantity to be picked directly at the storage compartment. The pick-by-light system usually receives confirmation of the pick by pressing a button on the module.
pick-to-light
The term is often used in English-speaking countries instead of pick-by-light. The pick-to-light method is a Multi-Order-Picking that focuses on distributing items that have just been picked to different orders. The method is typically used with a picking cart (Pick-by-Cart).
put-to-light
The put-to-light method clearly defines the distribution of goods to the target compartments. A classic example of this is replenishment in a flow rack.
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