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The ABB DSSB140 is an industrial-grade high-capacity battery unit engineered for long-duration backup power supply and intelligent management of ABB AC500 series PLC systems and large-scale automation components—specifically optimized for applications requiring extended backup runtime (e.g., multi-day mains outages) in critical industrial scenarios (process control plants, utility substations, renewable energy farms, and manufacturing facilities with continuous production). It functions as a "high-capacity backup power hub," integrating a maintenance-free lithium-ion battery, adaptive charging circuit, and comprehensive monitoring/protection system to ensure uninterrupted power for PLCs, remote I/O modules, and emergency control devices. Designed to withstand harsh industrial environments and deliver reliable long-term performance, it balances high energy density, fast charging, and seamless AC500 integration for mission-critical backup power needs. Below is its detailed specification:
- Product Model: DSSB140
- Product Series: ABB AC500 Series Industrial High-Capacity Backup Battery Units (Extended Runtime Solutions)
- Core Function: Provides extended-duration backup DC power to AC500 PLC systems and associated components; integrates adaptive CC-CV charging (optimized for Li-ion chemistry); monitors battery status (voltage, current, temperature, SOC, SOH); enables seamless mains/backup power switching; offers multi-layer protection (overcharge/overdischarge/short-circuit/thermal); communicates with AC500 via digital interface for remote status tracking and control
- Battery & Charging Specifications:
- Backup Power & Protection Specifications:
- Mechanical & Environmental Specifications:
- Integration & Compliance Specifications:
- High-Capacity LiFePO₄ Battery: 20Ah lithium-iron-phosphate battery—delivers 5× longer backup runtime than standard AGM units (200h for PLC RAM vs. 40h); LiFePO₄ chemistry eliminates thermal runaway risk (safer than traditional Li-ion); 1000+ cycles extend service life to 8~10 years, reducing replacement costs by 50% over the product lifecycle.
- Adaptive Fast Charging: 2A standard/5A fast-charge modes—5A fast-charge replenishes 20Ah capacity in 5 hours (vs. 20+ hours for AGM), minimizing downtime after extended backup use (e.g., multi-day outages); adaptive CC-CV algorithm optimizes charging for LiFePO₄, avoiding cell stress and extending cycle life.
- Advanced Status Monitoring: SOC (±2%)/SOH (±5%) tracking + real-time voltage/current/temperature data—enables precise backup runtime prediction (e.g., "20h remaining at 1A load") via AC500 HMI; SOH monitoring alerts to battery degradation (replace when SOH < 80%), avoiding unexpected backup failures in critical processes.
- Seamless High-Power Backup: <100ms mains/backup switching + 3A continuous/10A peak output—powers large AC500 systems (e.g., DSPC172 + 8 DSMB I/O modules) and high-power emergency devices (e.g., 24V DC valve actuators); ensures uninterrupted operation of continuous processes (e.g., chemical batch production, water treatment) during outages.
- Industrial-Grade Thermal Management: Aluminum alloy housing + built-in temperature sensor—dissipates heat during fast charging and high-load operation, keeping battery temperature <60℃; 85℃ thermal shutdown prevents overheating in hot cabinets (e.g., near industrial ovens); passive cell balancing maintains uniform cell voltage, avoiding capacity loss from imbalance.
- Remote Control & Diagnostics: RS-485 Modbus RTU interface—enables remote charge control (start/stop, fast-mode enable) and diagnostic tests (manual discharge) via AC500 or SCADA; reduces on-site maintenance frequency (e.g., monthly remote status checks vs. weekly on-site visits), cutting operational costs.
- Robust Environmental Durability: -20℃~+60℃ operating range + UL 94 V0 housing—withstands extreme temperatures (arctic cold, desert heat) and harsh industrial conditions (dust, moisture, vibration) that damage low-grade batteries; 20g shock resistance survives accidental impacts during cabinet maintenance, ensuring reliability in demanding environments.
- Process Control: Extended Outage Backup:
- Chemical Plants: Powers AC500 DCS systems for reactor control—20Ah capacity provides 66h of backup (300mA load) during multi-day mains outages; LiFePO₄ safety chemistry avoids fire risk in hazardous areas; remote SOH monitoring aligns with preventive maintenance schedules, avoiding unplanned shutdowns of batch processes.
- Oil Refineries: Backs up AC500 PLCs for pipeline pumping stations—-20℃~+60℃ range suits outdoor substation cabinets; 10A peak output activates emergency shutdown valves; Modbus RTU enables remote monitoring via refinery SCADA, reducing on-site inspection needs in remote locations.
- Energy & Utilities: Critical Infrastructure:
- Power Substations: Supports AC500 PLCs for auxiliary switchgear control—200h runtime (100mA load) ensures backup for 8+ days of RAM data retention; thermal protection withstands summer cabinet heat; vibration resistance (1g) survives transformer-induced shocks; cell balancing maintains capacity during long standby (6+ months between outages).
- Solar/Wind Farms (100MW+): Backs up AC500 systems for inverter clusters—fast-charge mode replenishes battery after grid outages (common in renewable sites); 3A continuous output powers inverter control logic and data loggers; LiFePO₄ low self-discharge (≤1%/month) maintains readiness during long periods of mains availability.
- Manufacturing: Continuous Production Backup:
- Automotive Assembly Lines: Powers AC500 PLCs for robotic cell control—20h runtime (1A load) covers extended maintenance outages; 10A peak output starts robotic grippers and conveyor brakes; remote discharge tests via Modbus reduce downtime (no need to shut down production for battery checks); aluminum housing dissipates heat from fast charging.
- Semiconductor Fabs: Backs up AC500 systems for cleanroom equipment—LiFePO₄ chemistry avoids particle emission (critical for cleanrooms); 24V ±3% stable output ensures precise analog sensor readings (e.g., wafer temperature); SOC monitoring predicts backup end time, enabling planned process adjustments before power loss.
- Water & Wastewater: Uninterrupted Treatment:
- Municipal Water Plants: Powers AC500 PLCs for pump stations and filtration systems—20Ah capacity provides 40h of backup (500mA load) during storms; 3A output runs 2+ submersible pump controllers; thermal protection withstands humid pump station cabinets; Modbus RTU alerts operators to low SOC via city BMS.
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