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ABB DSSB110 Battery Controller Module  

1. Key Parameters

• Product Model: DSSB110
• Product Series: ABB AC500 Series Industrial Battery Controller Modules (Backup Power Management)
• Core Function: Monitors backup battery status (voltage, current, temperature, SOC/SOH); controls battery charging (CC-CV mode) and discharging; enables mains/backup power 切换；provides overcharge/overdischarge/overtemperature/short-circuit protection; communicates with AC500 PLC via Local Bus for data logging and remote control; supports lead-acid, lithium-ion, and nickel-cadmium batteries
• Battery Management Specifications:

  Parameter	Details	Performance Metrics
  Battery Compatibility	- Type: Lead-acid (VRLA, AGM), lithium-ion (LiFePO₄, Li-ion), nickel-cadmium (NiCd) - Voltage Range: 12V DC ~ 24V DC (single module); up to 48V DC (with parallel modules) - Capacity Support: 1Ah ~ 100Ah (per battery pack)	Compatible with 90% of industrial backup batteries; 12V/24V support covers common PLC backup configurations (e.g., 24V 7Ah AGM for 72h RAM backup)
  Charging Control	- Charging Mode: Constant Current-Constant Voltage (CC-CV) - Charging Current: 0.1A ~ 5A (configurable via Automation Builder) - Charging Precision: ±0.5% (voltage); ±1% (current) - Float Charge Voltage: 13.8V DC (12V battery); 27.6V DC (24V battery) (adjustable)	CC-CV mode extends battery lifespan by 30% vs. constant-voltage charging; configurable current adapts to small (1Ah) and large (100Ah) batteries; float charging prevents self-discharge during standby
  Monitoring Parameters	- Measured Parameters: Battery voltage (0~30V DC), charging/discharging current (-10A~+10A), temperature (-20℃~+85℃), State of Charge (SOC, 0%~100%), State of Health (SOH, 0%~100%) - Monitoring Precision: Voltage (±0.5%), Current (±1%), Temperature (±1℃), SOC (±3%)	High-precision SOC monitoring ensures accurate backup time prediction (e.g., 24V 7Ah battery = 72h backup); SOH tracking alerts to battery degradation (replace when SOH < 80%)

• Communication & Integration Specifications:

  Parameter	Details	Performance Metrics
  Backplane Communication	- Protocol: AC500 Local Bus (synchronous with PLC processor) - Data Transfer Rate: 100Mbps (full-duplex) - Auto-Detection: Recognized by ABB Automation Builder (v3.0+) without manual configuration	100Mbps communication ensures real-time battery data transmission to AC500 PLC; auto-detection reduces setup time by 50% vs. third-party controllers
  External Communication	- Optional Interface: RS-485 (Modbus RTU, up to 115.2kbps) - Supported Functions: Read battery parameters, configure charging settings, trigger manual discharge tests	RS-485 enables remote monitoring via SCADA/HMI (e.g., ABB CP600); Modbus RTU integration with building management systems (BMS) for centralized power monitoring

• Mechanical & Environmental Specifications:

  Parameter	Details	Performance Metrics
  Mechanical Design	- Dimensions: 100mm (W) × 160mm (H) × 30mm (D) (single-slot AC500 backplane compatible) - Mounting Type: Tool-less snap-on to AC500 backplanes (1 slot occupancy) - Terminal Type: Removable screw terminals (4mm² max wire gauge) - Housing Material: EMI-shielded FR4 PCB with conformal coating (IPC-CC-830) - Weight: ~180g - Indicators: 1× power LED (green), 1× charging LED (amber), 1× fault LED (red), 1× backup mode LED (blue)	Single-slot design saves AC500 backplane space; removable terminals simplify battery wiring; LED indicators enable on-site troubleshooting (e.g., red fault LED = overtemperature)
  Environmental Ratings	- Operating Temperature Range: -20℃~+70℃ (-4℉~158℉) - Storage Temperature Range: -40℃~+85℃ (-40℉~185℉) - Humidity Tolerance: 5%~95% RH (non-condensing, 40℃) - Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6) - Shock Resistance: 20g (11ms half-sine, IEC 60068-2-27) - EMC Compliance: EN 61000-6-2 (immunity: Level 3); EN 61000-6-3 (emission: Class B)	-20℃~+70℃ range suits unconditioned control cabinets; conformal coating resists moisture/dust; Level 3 EMC immunity avoids interference from PLC power supplies or VFDs

• Electrical & Compliance Specifications:

  Parameter	Details	Performance Metrics
  Electrical Ratings	- Power Supply: 5V DC (from AC500 backplane; 0.5A max) - Power Consumption: 1.2W (active charging); 0.5W (standby monitoring) - Isolation: 500V AC (battery terminals to backplane; 1 minute) - Protection: Overcharge (14.4V/28.8V cutoff), Overdischarge (10.5V/21V cutoff), Overtemperature (80℃ cutoff), Short-circuit (current limiting ≤10A)	500V AC isolation prevents ground loops between battery and PLC; multi-layer protection avoids battery damage (e.g., overcharge-induced swelling) and PLC short circuits
  Compliance Standards: CE, UL 508, CSA C22.2 No.14, IEC 61131-2, IEC 61000-6-2, RoHS 2.0, ISO 9001

2. Core Features

• Multi-Battery Compatibility: Supports lead-acid, lithium-ion, and NiCd batteries—eliminates the need for dedicated controllers for different battery types, reducing inventory costs and simplifying replacement (e.g., upgrading from lead-acid to LiFePO₄ without changing the module).
• Precision CC-CV Charging: Constant Current-Constant Voltage charging mode + adjustable parameters—optimizes charging for battery chemistry (e.g., 0.3C current for LiFePO₄, 0.1C for VRLA), extending battery lifespan by 30% vs. fixed-charge controllers; float charging maintains battery capacity during long standby periods.
• Comprehensive State Monitoring: Tracks voltage, current, temperature, SOC, and SOH with high precision—SOC (±3%) enables accurate backup time prediction (e.g., 24V 7Ah battery = 72h of PLC RAM backup); SOH alerts to degradation (replace when SOH < 80%), avoiding unexpected backup failures.
• Seamless AC500 Integration: AC500 Local Bus communication + Automation Builder compatibility—auto-detected by the PLC, with pre-built function blocks for battery data logging and control (e.g., trigger discharge test via PLC logic); no custom programming required, reducing integration time by 60%.
• Reliable Backup Power Switching: Auto-detects mains power loss and switches to battery backup—ensures uninterrupted power for AC500 RAM (preserves control logic and process data) and critical outputs (e.g., emergency valves, alarm systems); switches back to mains automatically when power is restored.
• Industrial-Grade Protection: Overcharge/overdischarge/overtemperature/short-circuit protection—covers all common battery faults (e.g., shorted battery terminals, high-temperature swelling); current limiting during short circuits prevents wire overheating and fire risk, complying with industrial safety standards.
• Flexible Remote Monitoring: Optional RS-485 Modbus RTU interface—enables remote access to battery data via SCADA/HMI (e.g., ABB Ability™ platform); supports predictive maintenance (e.g., email alerts when SOH < 80% or temperature > 70℃), reducing on-site inspection frequency.

3. Application Fields

• Industrial PLC Backup Power Management:
  • AC500 PLC RAM Backup: Manages 24V 7Ah AGM batteries for AC500 processors (e.g., DSPC155, DSPC3001)—monitors SOC to ensure 72h of RAM data retention during mains outages; CC-CV charging maintains battery capacity, avoiding data loss from dead batteries (e.g., production recipes, batch logs).
  • Emergency Output Control: Powers critical PLC outputs (e.g., valve shutdowns, alarm sirens) during power failures—auto-switches to battery backup when mains is lost; overdischarge protection prevents battery damage, ensuring the module can activate outputs for 4+ hours.
• Process Control: Hazardous Area Backup:
  • Chemical Plants: Manages 24V LiFePO₄ batteries for reactor auxiliary PLCs—SOH monitoring alerts to battery degradation before maintenance; overtemperature protection (80℃ cutoff) avoids battery failure in hot control cabinets near reactors; 500V AC isolation prevents ground loops with process sensors.
  • Oil Refineries: Controls 12V VRLA batteries for pipeline monitoring PLCs—conformal coating resists oil mist and dust; vibration resistance (1g) withstands pump-induced shocks; float charging maintains battery readiness for 6+ months of standby.
• Energy & Utilities: Substation Backup:
  • Power Substations: Manages 24V NiCd batteries for AC500 PLCs (auxiliary switchgear control)—-20℃~+70℃ range suits outdoor substation cabinets; RS-485 Modbus enables remote monitoring via substation SCADA; short-circuit protection avoids damage from rodent-chewed battery wires.
  • Solar PV Plants: Controls 24V LiFePO₄ batteries for inverter PLCs—CC-CV charging optimizes solar-powered charging (e.g., 0.5A current during low sunlight); SOC monitoring ensures backup power for inverter shutdown sequences during grid outages.
• Building Automation: Critical System Backup:
  • Hospitals (Non-Medical Areas): Manages 12V AGM batteries for HVAC control PLCs—auto-switches to backup during mains failures, ensuring corridor ventilation; SOH tracking aligns with preventive maintenance schedules; low standby power (0.5W) reduces energy costs.
  • Data Centers: Controls 24V batteries for server room PLCs (temperature/access control)—overcharge protection avoids battery swelling; remote alerts via BMS notify staff of low SOC, preventing PLC shutdown and access control failures.

The structure and details of the product：

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