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 communication spare of ABB 800xA/AC800M DCS system, LTC391AE01 solves frequent on-site faults: bus communication drop-out, intermittent data loss, third-party instrument unable to link DCS, module no bus handshake after powered on caused by original card aging, interface chip burnout or isolation circuit failure. Same pin definition, backplane protocol and cabinet dimension as OEM standard, direct plug-and-play replacement without DCS program modification or cabinet rewiring, sharply reduce production stop loss during maintenance. Two supply options: factory original new with ABB official datasheet; refurbished version after component screening, full-protocol communication test and 72h continuous rack load aging inspection, both versions covered unified 12-month global warranty for factory regular spare stocking and urgent emergency rush order.

• Thermal Power Plant: Boiler & turbine auxiliary 800xA DCS remote I/O communication spare

• Petrochemical Refinery: Reaction tank, pipeline control cabinet third-party transmitter bus access

• Metallurgy Industry: Furnace & rolling mill AC800M DCS cross-device protocol conversion

• Cement Plant: Raw material grinding & kiln production line DCS networking maintenance spare

• Water Treatment Plant: Sewage pump room DCS and field PLC interconnection transformation

• All-in-one Multi-bus Conversion: Integrate mainstream fieldbus & Ethernet, reduce spare inventory quantity

• High Isolation Anti-interference Design: Single bus fault no cascade impact to whole DCS system

• Visual Channel LED Diagnosis: Quick locate faulty communication port, cut down troubleshooting time

• Direct Plug & Play: Auto backplane address identification after replacement, no program download needed

• Wide Temperature Industrial Grade: Adapt high-temperature, dusty, corrosive harsh workshop condition

• New & Refurbished Dual Inventory: Separate stock for bulk project tender and urgent site breakdown repair

• Full Pre-shipment QC: All goods pass full-protocol communication testing and long-time rack aging test

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.