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ABB DSRB110 Slot Filler Blank Module Card 

1. Key Parameters

• Product Model: DSRB110
• Product Series: ABB AC500 Series Industrial Slot Filler Blank Modules (Backplane Protection & Sealing)
• Core Function: Seals unused slots in AC500 PLC backplanes to prevent dust/moisture ingress; enhances EMI shielding of the control cabinet; maintains structural stability of the backplane (prevents bending from uneven pressure); blocks accidental contact with live backplane connectors; preserves consistent airflow for thermal management
• Mechanical & Dimensional Specifications:

  Parameter	Details	Performance Metrics
  Mechanical Design	- Dimensions: 100mm (W) × 160mm (H) × 30mm (D) (matches AC500 single-slot module size) - Mounting Type: Tool-less snap-on installation to ABB AC500 backplanes (single-slot occupancy) - Housing Material: Flame-retardant thermoplastic (UL 94 V0) with EMI shielding coating (nickel-plated ABS) - Weight: Approximately 80g - Retention Mechanism: Integrated plastic clips (secures to backplane slots; no screws required)	Matches AC500 module dimensions for seamless cabinet integration; tool-less installation reduces setup time to <30 seconds per slot; nickel-plated EMI coating aligns with AC500’s electromagnetic compatibility standards

• Environmental & Protective Specifications:

  Parameter	Details	Performance Metrics
  Environmental Sealing	- Ingress Protection (IP): IP54 (when installed in AC500 backplanes; dust-tight, water spray-resistant) - Sealing Gasket: Integrated foam gasket (urethane, 2mm thickness) along edges—forms a tight seal with backplane and cabinet interior - EMI Shielding: Nickel-plated ABS housing (provides 20dB attenuation at 100MHz~1GHz, supplementing cabinet EMI protection)	IP54 rating blocks dust accumulation (a leading cause of backplane contact failures) and occasional water spray (e.g., cabinet cleaning); 20dB EMI attenuation reduces electromagnetic interference from external equipment
  Environmental Ratings	- Operating Temperature Range: -30℃~+85℃ (-22℉~185℉) - Storage Temperature Range: -40℃~+90℃ (-40℉~194℉) - Humidity Tolerance: 5%~95% RH (non-condensing, 40℃) - Vibration Resistance: 10~500Hz, 1g acceleration (IEC 60068-2-6) - Shock Resistance: 15g (11ms half-sine, IEC 60068-2-27) - EMC Compliance: EN 61000-6-2 (immunity: Level 3); EN 61000-6-3 (emission: Class B)	Wide temperature range suits extreme industrial environments (e.g., outdoor substations, desert factories); vibration/shock resistance prevents dislodgment from backplanes during equipment transport or cabinet vibration

• Compliance Specifications:

  Parameter	Details	Performance Metrics
  Safety & Compliance	- Flame Retardancy: UL 94 V0 (self-extinguishing within 10 seconds of flame removal) - Electrical Insulation: 1kV AC (between housing and backplane pins, 1 minute) - RoHS Compliance: Meets EU RoHS 2.0 (Restriction of Hazardous Substances) - Industry Standards: CE, UL 508 (industrial control equipment), IEC 60529 (IP rating)	UL 94 V0 flame retardancy reduces fire risk in cabinets with other electrical components; 1kV insulation prevents accidental short circuits if the blank comes into contact with live parts

2. Core Features

• Seamless AC500 Integration: Matches the exact dimensions and mounting mechanism of AC500 single-slot modules—fits perfectly into unused backplane slots without modifications, maintaining the PLC system’s neat, uniform appearance and ensuring compatibility with AC500 cabinet layouts.
• IP54 Environmental Protection: Integrated foam gasket + UL 94 V0 thermoplastic housing—blocks dust ingress (prevents backplane pin corrosion) and resists occasional water spray (e.g., from cabinet cleaning), extending backplane lifespan by 3~5 years in harsh environments.
• EMI Shielding Enhancement: Nickel-plated ABS housing provides 20dB EMI attenuation—supplements the control cabinet’s electromagnetic shielding, reducing interference from external equipment (e.g., VFDs, welding machines) and ensuring stable operation of adjacent AC500 modules.
• Tool-Less Quick Installation: Snap-on plastic clips—enables fast, tool-free installation and removal (no screws or specialized tools needed), saving maintenance time when reconfiguring PLC systems (e.g., adding new I/O modules later).
• Mechanical Backplane Support: Rigid thermoplastic structure—prevents unused backplane slots from bending or warping due to uneven pressure (e.g., from cabinet door closure or module insertion/removal), maintaining the structural integrity of the backplane connector pins.
• Safety Isolation: 1kV electrical insulation + non-conductive housing—prevents accidental contact with live backplane pins during maintenance, reducing the risk of electric shock for technicians working on the PLC system.

3. Application Fields

• Industrial Control Cabinets: Backplane Protection:
  • Manufacturing PLC Cabinets: Fills unused slots in AC500 backplanes for automotive assembly line controllers—blocks metal dust (from welding or machining) from accumulating on backplane pins, which would cause intermittent communication failures between modules.
  • Food Processing Plant PLCs: Seals unused slots in AC500 systems for packaging line control—IP54 rating resists moisture and food particles (e.g., flour, sugar) that would degrade backplane performance, ensuring compliance with food safety hygiene standards.
• Process Plants: Harsh Environment Sealing:
  • Chemical Plant Control Systems: Protects AC500 backplanes in corrosive environments—EMI shielding reduces interference from nearby chemical pumps; IP54 sealing prevents corrosive gas ingress (e.g., chlorine) from damaging backplane connectors.
  • Oil & Gas Substations: Fills unused slots in AC500 backplanes for pipeline monitoring PLCs—-30℃~+85℃ temperature tolerance withstands outdoor substation conditions; vibration resistance prevents dislodgment during equipment transport or storm-induced cabinet movement.
• Utility & Infrastructure: Long-Term Reliability:
  • Water Treatment Facility PLCs: Seals AC500 backplanes in damp pump station cabinets—IP54 protection blocks moisture ingress (prevents backplane pin rust); rigid structure maintains backplane stability even when adjacent modules are frequently removed for maintenance.
  • Renewable Energy (Solar/Wind) PLCs: Fills unused slots in AC500 systems for inverter control—EMI shielding reduces interference from solar inverters or wind turbine drives; wide temperature range (-30℃~+85℃) suits desert or arctic renewable sites.
• PLC System Reconfiguration: Flexible Slot Management:
  • Temporary Unused Slots: Fills slots in AC500 backplanes when modules are temporarily removed for repair (e.g., sending a DSPB110 for service)—maintains environmental protection and EMI shielding during the repair period, avoiding system downtime from backplane damage.
  • Future Expansion Slots: Protects slots reserved for future module additions (e.g., planning to add a DSMB178 I/O module later)—keeps the backplane clean and intact until expansion, ensuring the new module connects reliably when installed.

The structure and details of the product：

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