3504E

FAQS

• What is 3504E ？
  3504E is Digital Input Module
• What is the digital input module of PLC?
  Digital Inputs are channels through which a PLC receives binary signals, typically representing two states: ON or OFF, HIGH or LOW, TRUE or FALSE. These signals originate from sensors detecting physical phenomena such as temperature, pressure, or position.
• How does a digital input module work?
  A digital input module accepts inputs from digital devices such as switches and proximity sensors. The input module will detect one of the two possible conditions of an input device: open or closed. For example, a push button switch is a digital device and can either be open or closed.
• Do you offer global delivery services?
  Yes. We ship globally, and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (DHL). We can also ship through FedEx, UPS, and TNT. We can also use your account.
• How do I submit a part enquiry?
  Our Product Pages – Simply search for the part number you require in our search bar, and it will take you straight to the product page. You can then email or call us – Speak directly to a dedicated Account Manager, who will be able to answer any questions you have and provide you with a quotation within minutes
• Why can't I see a price for a part?
  In addition to "new" and "used" units we also specialize in the selling "discontinued" and hard to find industrial automation parts which tend to have a fluctuating market value. These fluctuations may make it difficult for us to provide accurate daily prices for parts on our website. Therefore, in an effort to ensure that we always provide you with the best and most accurate price available, our team will source and price your part on an enquiry-by-enquiry basis.