Stack Light
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Basics
- A Device that easily shows the state / needs of an Industrial Machine via a stack of colored coded lights, hence the name (Not to be confused with Aviation obstruction lighting on Smokestacks though )
- It can also be used to show the status of a Workcell
Sourcing
Alibaba
- "Industrial Stack Light with Buzzer 12V 24V 110V 220V Side Mount LED Signal Tower Light Industrial Warning Light Tower" 2-19 Units for 12 USD Each + ~28.29-123.63 USD Total Shipping Accordingly
- "Red Green Machine Warning Light Tower with Buzzer Emergency Stack Light Adjustable Steady Rotary Flash Led Signal Tower Light" 2-49 Units for 15.15 USD Each + Unknown Until Contact Shipping
Amazon
- "LUBAN Led Signal Tower Stack Lights, Industrial Signal Warning Lights, Column Tower Lamp Andon Lights with Rotatable Base, Steady/Flashing Light Switchable,12V 24V DC(3-Layer, with Buzzer)" 20.30 USD Per Unit, Free Shipping
- "YJINGRUI LED Industrial Signal Tower Light 5 Layers Flash LED Light with Buzzer Alarm Warning Lamp for CNC Machines (DC24V)" 56.80 USD Per Unit, Free Shipping (Seems to be well built)
Internal Links
- Supervisory Control and Data Acquisition (Essentially Smart Factories ; all the machine control systems send data to a central device/system in a similar manner to how someone at the end of a row of machines can use these lights for, but with full details that 2-5 lights can't convey)