Description
Detailed Parameter Table
| Parameter Name | Parameter Value |
| Product Model | SDCS-PIN48-SD |
| Manufacturer | ABB |
| Product Category | High-Density Power Interface Module |
| Input Voltage | 48 VDC nominal (38–60 VDC range) |
| Output Voltages | +5 VDC (logic), Dual +24 VDC (field) |
| Current Capacity | 5V: 30A max, 24V: 5A per channel (2 ch) |
| Isolation | 2000 VAC input-to-output |
| Hot-Swap Support | Yes (active current limiting) |
| Operating Temperature | -40°C to +85°C |
| Redundancy | Triple-redundant N+2 configuration |
| Communication | S+ Bus with MODBUS RTU diagnostics |
| Physical Dimensions | 45 x 175 x 207 mm (HxWxD) |
| Certifications | UL 61010, IEC 62443-4-2, DNV-GL Marine |
| Inrush Current Control | <8A @ 48VDC (soft-start) |
SDCS-PIN48-SD
Product Introduction
The ABB SDCS-PIN48-SD represents the evolution of power distribution within ABB’s Symphony™ Plus DCS, engineered for ultra-high availability applications where power density is critical. This module converts 48VDC input into three isolated outputs: precision-regulated +5VDC for CPU logic and dual +24VDC rails for field instruments and redundant I/O systems. As the powerhouse of ABB’s S800 I/O High-Density series, the SDCS-PIN48-SD integrates with controllers like SDCS-CON-4 to deliver fault-tolerant power for data-intensive processes.
Its architecture eliminates single points of failure through triple-redundant power inputs and N+2 parallel operation. The ABB SDCS-PIN48-SD incorporates real-time load balancing algorithms and predictive failure analytics, making it indispensable for offshore platforms and continuous-process industries. By maintaining voltage regulation within ±0.5% under 0–100% load transients, this module ensures signal integrity for safety-critical measurements in nuclear plants and LNG terminals.
Core Advantages and Technical Highlights
High-Power Density: Delivering 30A at 5VDC (150W logic power) in a single-slot footprint, the SDCS-PIN48-SD supports up to 64 I/O channels per rack – double the capacity of standard modules. Phase-shifted DC/DC converters reduce ripple to <25mV peak-to-peak.
Multi-Tier Redundancy: Three independent OR-ing controllers enable concurrent operation of three power feeds. If one input fails, the ABB SDCS-PIN48-SD redistributes loads in <500µs without voltage sag. Field-side 24V outputs feature active current sharing for N+1 sensor bus redundancy.
Extreme Environment Operation: Rated for -40°C cold starts and 85°C ambient temperatures, the module uses ceramic-coated PCBs to withstand salt fog (ISO 9227) and H2S environments. Vibration resistance to 3g (5–500Hz) suits floating production storage vessels.
Cybersecurity Integration: Hardware-based IEC 62443-4-2 compliance includes tamper-proof firmware and signed configuration files. The S+ Bus encrypts diagnostic data like MOSFET junction temperature and capacitor ESR values.
Typical Application Scenarios
In offshore drilling BOP (Blowout Preventer) control systems, the ABB SDCS-PIN48-SD powers emergency shutdown logic. Its DNV-GL certification ensures operation during vessel pitch/roll, while dual 24V outputs maintain redundant solenoids even if one channel shorts.
For semiconductor fab vacuum systems, the module’s low-noise 5V supply (<50nV/√Hz) prevents EMI interference in nanometer-scale deposition controllers. Hot-swap capability allows replacement during wafer transfer cycles without breaking vacuum.
In battery megafactories, the SDCS-PIN48-SD’s soft-start circuitry limits inrush current during electrode formation line startups, protecting lithium-ion formation equipment from voltage sag transients.
Related Model Recommendations
SDCS-POW-2: Marine-grade 48VDC power supply; pairs with SDCS-PIN48-SD for offshore use
SDCS-CON-4: High-speed controller; powered by SDCS-PIN48-SD‘s 30A logic rail
SDCS-IOB-3: HD I/O bus controller; interfaces with SDCS-PIN48-SD
SDCS-AIO-4: 32-channel analog input; requires HD power capacity
SDCS-PIN48-R: Rail-transit variant with EN 50155 certification
SDCS-TEMP-HD: Thermal monitoring module for SDCS-PIN48-SD heat management
SDCS-PIN48-SD
Installation, Commissioning and Maintenance Instructions
Installation preparation: Verify rack backplane voltage (48VDC ±5%) before insertion. Use anti-vibration mounts in marine/offshore installations. Torque terminal screws to 0.8 N·m with calibrated tool. Ensure minimum 40mm lateral clearance for convection cooling. Pre-load configuration via Control Builder MT to activate current-sharing algorithms.
Maintenance suggestions: Biannually measure output noise spectrum (0–10MHz). Monitor S+ Bus parameters: electrolytic capacitor health (ESR<0.1Ω) and MOSFET thermal margin (>15°C). Replace air filters annually in dusty environments. After 5 years, perform infrared thermography on output connectors during full-load operation.
Service and Guarantee Commitment
ABB provides a 5-year warranty for the SDCS-PIN48-SD, covering all components including cooling subsystems. Global 24/7 technical support includes remote firmware recovery and failure mode analysis within 2 hours.
Extended lifecycle support guarantees spare availability until 2045. Customers receive complimentary access to ABB Ability™ Power Diagnostics Cloud for real-time degradation analytics. All modules undergo 500-hour accelerated aging tests with full environmental stress screening (ESS) reports.
