Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | ABB 086348-001 |
| Manufacturer | ABB |
| Product Description | PWA, ECF (End Column Frame) — Printed Wiring Assembly |
| Product Type | Control Module / Printed Wiring Assembly (PWA) / Interface and Termination Board |
| System Platform | ABB Advant OCS, Freelance and System 800xA DCS architectures; ECF rack and frame designs, including ABB AccuRay measurement and scanning frames |
| Function | End column frame signal processing, interface termination and control/data conversion for the cabinet or scanning frame extremity |
| Installation Position | Dedicated end-column slot at the termination of the rack, backplane or scan frame (left or right end column) |
| Power Supply | Derived from the host rack or frame supply, typically 24 V DC (value depends on system design) |
| Connection Method | Plug-in board mating with the backplane or main module through internal connectors, typically two connectors |
| Status Indication | On-board LED status indication, depending on hardware version |
| Bus Interface | Communicates with the master controller via the system backplane (Advant fieldbus / Modulebus class signalling) |
| Signal Handling | Digital and analogue signal conditioning, isolation and data conversion for end-column devices |
| Dimensions (D × H × W) | Approximately 2.1 × 12.8 × 26.2 cm |
| Weight | Approximately 0.21 kg |
| Operating Temperature | Approximately 0°C to +55°C typical control cabinet environment; extended figures quoted to 60-70°C depending on configuration |
| Storage Temperature | Approximately -25°C to +85°C |
| Relative Humidity | 5% to 95% non-condensing |
| Protection / Environment | IP20 class board for installation inside an enclosed control cabinet; industrial EMC design per ABB cabinet practice |
| Compliance | CE, UL recognized as an ABB system spare part; manufactured to ABB original drawings and mechanical tolerances |
| Lifecycle Status | Obsolete / legacy spare part; hardware revision must match the installed system |
Main Features and Advantages
Purpose-designed termination for the end of the column: The value of the ABB 086348-001 lies in doing a narrow job exactly right. A DCS backplane bus, its power distribution and its termination or address lines must be correctly ended at the physical extremity of the rack; when that termination is missing or degraded, the symptoms are intermittent communication faults, modules that are not recognised, and diagnostics that point at healthy hardware. By occupying the end-column position with a board built to ABB’s own drawings, the ABB 086348-001 restores the electrical integrity of the whole column rather than just replacing a failed component.
Interface gathering at the extremity of the frame: Beyond termination, the ABB 086348-001 collects the signals that physically originate at the end of a rack or scan frame — end-position sensors, edge devices, distributed frame instrumentation — conditions them, and presents them to the system bus in a form the main controller can read. On ABB AccuRay scanning frames this function is particularly visible: the board acts as the signal collection point at the left and right ends of the traversing scanner, and its failure shows up as a missing section of measurement data at the sheet edge.
Original ABB mechanical and electrical fit: Because this is an end-column board, dimensional accuracy matters as much as electronics. The ABB 086348-001 is manufactured to ABB’s original mechanical tolerances and connector specifications, so it seats correctly in the guide rails and backplane connector without field modification, and its conformal coating and board material withstand the humidity, dust and temperature cycling found in paper machine halls, metals mills and chemical plant control rooms far better than reworked or generic substitutes.
Modular replacement that protects legacy investment: The ABB 086348-001 is a board-level spare, so a failure is corrected by replacing one assembly rather than by re-engineering a rack or migrating a control platform. For plants whose Advant OCS, Freelance, 800xA or AccuRay assets are mechanically sound and economically productive, availability of this part is what allows the installed system to keep earning instead of forcing a capital replacement project.
