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About product and suppliers:
        13,245 programmable controller products are offered for sale by suppliers on Alibaba.com, of which plc accounts for 9%, floor heating systems & parts accounts for 6%, and dimmers accounts for 3%. 

A wide variety of programmable controller options are available to you, 

There are 13,245 suppliers who sells programmable controller on Alibaba.com, mainly located in Asia. The top countries of suppliers are South Korea, China, and Taiwan, China, from which the percentage of programmable controller supply is 1%, 97%, and 1% respectively.