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About product and suppliers:
        Alibaba.com offers 3,884 plc software products. About 28% of these are other electrical equipment, 4% are electronic data systems, and 1% are software. 

A wide variety of plc software options are available to you, such as paid samples, free samples. 

There are 3,871 plc software suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 98%, 1%, and 1% of plc software respectively. 

Plc software products are most popular in Domestic Market, Eastern Europe, and Central America. 

You can ensure product safety by selecting from certified suppliers, including 1,262 with ISO9001, 262 with Other, and 58 with ISO14001 certification.