There are still some products that have not been listed yet. For more information, please contact us. If the product model does not match the displayed picture, the actual model shall prevail. Please consult us for specific product images; We will arrange for the warehouse to take photos for confirmation. We have 76 shared warehouses worldwide, so it may take several hours to accurately respond to your message. We deeply apologize for any inconvenience caused to you. Of course, we will process your inquiry as soon as possible.

As core discrete input spare of ABB Freelance DCS system, NDPI-02 solves common on-site faults: partial/all channel no signal feedback, random channel signal drift, DI channel short-circuit triggering cabinet power trip caused by original card aging, optocoupler burnout or internal circuit damage. OEM identical PCB layout, pin definition and rack dimension, direct plug-and-play replacement without DCS program modification or cabinet rewiring, drastically shorten unit shutdown maintenance cycle. Two supply options: original factory new with ABB official datasheet; refurbished version after component screening, channel full signal test and 72h continuous rack on-load aging test, both items covered unified 12-month global warranty for plant routine spare stocking and emergency breakdown rush purchase.

• Thermal Power Plant: Boiler auxiliary Freelance DCS cabinet switch signal collection spare

• Petrochemical Refinery: Reaction device interlock switch & NAMUR sensor signal acquisition

• Cement Factory: Kiln & raw material workshop Freelance DCS I/O spare inventory

• Paper & Pulp Mill: Production line conveyor switch, proximity switch signal input

• Water Treatment Plant: Pump valve feedback discrete signal collection control system

• Multi-signal Compatibility: 3 kinds of mainstream DI signal in one module, reduce spare part types

• Per-channel Isolation Design: Single channel fault no cross-interference to adjacent input channels

• LED Channel Indicator: Direct visual check channel ON/OFF status, fast fault location

• Plug & Play Swap: No parameter download needed after replacement, shorten maintenance downtime

• Strict Industrial Anti-environment: Coated PCB adapt corrosive, dusty industrial field

• New & Refurbished Dual Stock: Meet bulk project procurement and urgent site rush repair separately

• Full Pre-shipment QC: All goods pass full-channel signal test and continuous aging inspection

Do you provide global shipping services?

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.