Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | DATX110 / 3ASC25H209 |
| Manufacturer | ABB |
| Product Type | Drive control / I/O board |
| Part Number | 3ASC25H209 |
| Board Type | DATX110 |
| Origin | Switzerland |
| Approx. Weight | 1.03 kg |
| Typical Application | ABB drive/converter control systems |
| Availability | Surplus / refurbished only |
Product Introduction
In ABB drive systems, the DATX110 is not a generic PLC module or a fieldbus adapter. It is a control board that sits inside ABB converter/drive assemblies and participates in local control and signal handling. The full designation ABB DATX110 3ASC25H209 identifies both the board type and the ABB part number.
This module is typically found in older ABB drive or converter cabinets rather than modern AC800M DCS racks. It is commonly listed alongside other ABB control and power boards such as DAPC, DASA, DSSA, and DAPU series cards. Because it is a legacy board, replacement work should be treated as a like-for-like continuity action, not a platform migration.
QA/QC Transparency SOP
Intake & Origin Verification: Confirm both markings — DATX110 and 3ASC25H209 — and verify ABB origin. Reject boards with cracked housings, burnt components, corroded connectors, or missing identification labels.
Visual & Mechanical Inspection: Check edge connectors, ribbon-cable headers, terminal blocks, and mounting hardware. Inspect for heat stress, capacitor swelling, or prior rework.
Electrical Testing: Where a compatible ABB drive test platform is available, verify power rails, signal paths, and I/O response. If no host drive is available, perform continuity, insulation, and connector integrity checks only.
Configuration Verification: Record any jumpers, DIP settings, firmware labels, or board revisions. Compare them with the failed board before installation.
Final QC & Packaging: Document board condition, test results, and identification markings. Pack in anti-static shielding with connector protection and include photos for traceability.
Field Engineer Gotchas
Do not confuse it with a fieldbus adapter: The DATX110/3ASC25H209 is a drive control board, not a PROFIBUS, Modbus TCP, or DDCS communication module. Replacing it will not fix a fieldbus configuration error.
Do not confuse it with RDCO/DDCS modules: RDCO-0x modules handle DDCS fiber-optic communication in ACS800-type drives. is a different board class.
Host-drive compatibility is critical: This board belongs to specific ABB drive/converter assemblies. Installing it in the wrong cabinet or slot can cause no power-up, I/O mismatch, or drive faults.
Revision sensitivity: ABB 3ASC25H series boards may have revision letters or sub-variants. Even if the base part number matches, verify the suffix and board layout.
Documentation gap: Public datasheets for /3ASC25H209 are limited. Always cross-check against the original cabinet drawings, ABB manuals, and the removed board before commissioning.

ABB 3ASC25H209 DATX110
Application Scenarios
ABB converter/drive cabinets: Used where ABB drive systems require an internal control or I/O board for local signal processing and drive supervision.
Legacy drive maintenance: Suitable for plants maintaining older ABB drive installations where the original board has failed and a full drive replacement is not yet planned.
Emergency spare replacement: Useful as a verified surplus spare when the plant already has a matched drive cabinet and only needs a like-for-like board swap.
Case snapshot: A plant reported intermittent drive control faults after a cabinet inspection. The drive still powered up, but several internal control signals were unstable. Inspection showed the original control board had degraded connectors and possible heat stress. Replacing it with a verified and matching the original board revision restored normal drive control behavior.
FAQ
What is ABB 3ASC25H209?
It is an ABB drive control/I/O board identified by board type and part number 3ASC25H209.
Is it still in production?
No. It is generally available only as surplus or refurbished stock.
Can I use it as a PROFIBUS or Ethernet module?
No. It is a drive control board, not a network communication adapter.
Is it the same as an RDCO or DDCS module?
No. RDCO/DDCS modules handle fiber-optic drive communication; is a control board.
Can I replace it without checking the revision?
Not recommended. Verify the full part number, revision, and host-drive compatibility before installation.
Does it work in AC800M DCS racks?
No. It is associated with ABB drive/converter hardware, not AC800M DCS I/O slots.


