Description
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ABB DSSB140 48980001-P
ABB DSSB140 48980001-P
Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | DSSB140 48980001-P |
| Compatible Systems | ABB Advant Master, MasterPiece 200 DCS |
| Nominal Input Voltage | 24 V DC |
| Mounting Type | Standard DIN rail / rack mount |
| Operating Temperature | -25 °C to +60 °C |
| Relative Humidity | Up to 95% RH, non-condensing |
| Unit Weight | 0.4 kg |
| Country of Manufacture | Sweden |
| Compliance | IEC industrial EMC standards |
| Core Duty | Retain volatile controller memory during mains failure |
Product Introduction
The ABB DSSB140 48980001-P is a dedicated battery interface unit built for legacy ABB Advant Master and MasterPiece 200 DCS hardware. It holds backup battery connections and delivers short-duration power to controller volatile memory.
It eliminates full logic loss and forced re-downloads when main cabinet power drops. This avoids lengthy process restart sequences that come from losing stored control configuration in older DCS racks.
ABB DSSB140 48980001-P
Application Scenarios & Field Experience
Part 1 (Narrative Paragraph)
Many aging process plants still run Advant Master DCS racks. Brief power sags or full blackouts wipe controller memory without this backup unit. Operators then spend hours reloading logic, re-tuning loops, and bringing production back online. This module maintains memory state long enough for orderly shutdown or ride-through.
Part 2 (Numbered List)
- Power generation: Fossil and hydro plant DCS control racks, preserve trip and governor logic on brief power loss.
- Refining and petrochemical: Continuous process DCS cabinets, prevent full configuration loss during utility switching events.
- Pulp and paper mills: Boiler and pulp line DCS controllers, avoid manual logic reload after momentary power interruptions.
- Water treatment: Large pumping station DCS racks, retain setpoints for intake and discharge control loops.
Part 3 (Short Field Story)
A pulp mill suffered a 2-second site voltage dip. One Advant Master controller lost its DSSB140 unit connection and dumped all memory. Operators spent 3 hours reloading code and re-commissioning loops. After installing a new DSSB140 48980001-P, a later identical voltage dip only triggered normal alarm logging. No logic reload was needed, and the process stayed online.
ABB DSSB140 48980001-P
Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection: Verify OEM marking, original packaging seals, and part label match. Check for scratches, bent pins, or signs of prior field installation. Run anti-counterfeit part marking cross-check.
- Live Rig Testing: Mount module on test rack, apply 24V DC supply, confirm battery terminal voltage reading and memory hold function.
- Firmware Verification: Read and record hardware revision and firmware revision for the unit. Match revision against OEM documentation before shipment.
- ESD-Safe Packaging: Place unit inside anti-static bag with foam padding. Seal with ESD warning label and box for transit.
Frequently Asked Questions (FAQ)
Q1: Is the DSSB140 48980001-P compatible with AC800M controllers? A: No. This unit is designed for Advant Master and MasterPiece 200 legacy DCS. It will not mount or function with AC800M hardware. Confirm your DCS platform before ordering.
Q2: What warranty do you provide for this module? A: We offer a 12-month warranty. The warranty covers hardware defects. Damage from improper installation, overvoltage, or wrong battery chemistry is excluded.
Q3: Do you ship this unit immediately from available stock? A: Stock status is confirmed at order time. If in stock, shipment can start within 1–3 business days. If stock is depleted, we share updated lead times before order confirmation.
Q4: Can firmware mismatch cause backup memory failure? A: Hardware revision mismatch is more common than firmware issues here. Always cross-check part suffix and hardware revision against your existing rack. Mismatched revisions may fail to hold memory even if power reads normal.
Q5: Can I hot-swap this battery backup unit while the DCS rack remains online? A: Hot swap is not recommended without validated site procedures. Removing this unit while powered can drop memory and trigger a full controller trip. Isolate the rack per site lockout rules unless your OEM manual explicitly allows live replacement.
