The Delta DVP04TC-S is a model within the Delta DVP-TP Series, a line of Programmable Logic Controllers (PLCs) produced by Delta Electronics. The DVP04TC-S is specifically a temperature control module that can be part of a larger PLC system.

To purchase the original Delta DVP04TC-S PLC temperature control module, you can consider the following options:

1. Official Delta Electronics Distributors: Check if there are any authorized Delta Electronics distributors in your area. They can provide you with the pricing and availability information for the Delta DVP04TC-S PLC temperature control module.

2. Online Industrial Automation Retailers: Explore online automation retailers or marketplaces that specialize in industrial automation products. Websites such as RS Components, Allied Electronics, and Digi-Key Electronics may carry the Delta DVP04TC-S. Search for the module on these platforms to find options for purchasing it online.

3. Local Industrial Automation Suppliers: Contact local industrial automation suppliers or distributors in your area. They may have the Delta DVP04TC-S module in stock or be able to provide information on where you can purchase it.

Remember to ensure that you are buying from a reputable source and verify that the product is new and in its original packaging to ensure its authenticity.