Description

The SDCS-POW-H01 3ADT318700R1501 is a high-reliability power supply module designed for ABB’s**AC 800M and AC 500 series programmable automation controllers**(PLCs)within the System 800xA distributed control architecture.This DIN-rail-mounted unit delivers stable,redundant-capable DC power to critical controller racks,ensuring uninterrupted operation in continuous-process industries such as power generation,oil&gas,and metallurgy.

Engineered for harsh industrial environments,the SDCS-POW-H01 3ADT318700R1501 features wide input voltage tolerance,active current sharing,and comprehensive self-diagnostics—making it a cornerstone of system availability in mission-critical automation infrastructures.

Application Scenarios

At a Scandinavian steel mill,an arc furnace control system suffered repeated unplanned shutdowns due to voltage sags during electrode adjustments.After replacing aging power supplies with the SDCS-POW-H01 3ADT318700R1501,engineers achieved seamless ride-through during 200 ms grid dips thanks to its extended hold-up time and 85–264 VAC universal input range.During a major transformer fault that caused a 15%undervoltage event,the SDCS-POW-H01 3ADT318700R1501 maintained stable 24 VDC output to the AC 800M CPU and I/O modules—preventing a catastrophic melt interruption that could have cost over€1.2M in scrap and downtime.Its built-in redundancy support also allowed hot-swapping during production,eliminating maintenance-related stoppages.

Parameter

Main Parameters Value/Description

Product Model SDCS-POW-H01 3ADT318700R1501

Manufacturer ABB

Product Category Redundant-capable industrial power supply module for PLC systems

Output Voltage 24 VDC±2%(regulated)

Nominal Output Current 10 A(continuous)

Peak Current 15 A for up to 5 seconds(for inrush handling)

Input Voltage Range 85–264 VAC(47–63 Hz)or 100–370 VDC(universal input)

Efficiency>89%at full load(reduces heat dissipation in cabinets)

Redundancy Support Yes–supports parallel operation with diode-or’ing for N+1 redundancy

Hold-Up Time≥20 ms at 100%load and nominal input(meets IEC 61131-2)

Protection Features Overvoltage,overcurrent,short-circuit,thermal shutdown with auto-recovery

Mounting DIN rail(35 mm EN 60715)

Operating Temperature-25°C to+70°C(derating above 60°C)

Certifications CE,UL 508,CSA C22.2 No.142,IEC 61131-2

Technical Principles and Innovative Values

Innovation Point 1:The SDCS-POW-H01 3ADT318700R1501 employs active current sharing technology,enabling multiple units to operate in parallel with<5%current imbalance—critical for true N+1 redundancy without external balancing circuits.

Innovation Point 2:Its wide-range universal input eliminates the need for separate 110 VAC/230 VAC variants,simplifying global spares management and allowing deployment in regions with unstable grid quality.

Innovation Point 3:Integrated real-time diagnostics report output voltage,temperature,and fault status via discrete dry contacts and optional communication adapters—enabling predictive maintenance and integration into System 800xA asset health dashboards.

Innovation Point 4:Designed with conformal coating as standard,the SDCS-POW-H01 3ADT318700R1501 resists corrosion from sulfur,dust,and moisture—extending service life in chemical plants,pulp mills,and coastal facilities.

Application Cases and Industry Value

In a Middle Eastern combined-cycle power plant,the SDCS-POW-H01 3ADT318700R1501 powers the turbine control PLCs responsible for fuel valve sequencing and flame detection.During commissioning,the plant experienced frequent brownouts due to grid instability.Thanks to the module’s robust design,zero control system resets occurred—even during a 300 ms voltage collapse—ensuring safe ignition sequences and preventing costly hot-gas-path damage.Maintenance logs showed 99.998%power availability over three years,directly contributing to the plant’s record 92%capacity factor.

Another implementation at a North American aluminum smelter used redundant pairs of SDCS-POW-H01 3ADT318700R1501 modules to power potline control systems operating in 50°C ambient temperatures with high EMI from rectifiers.The units’convection-cooled design(no fans)prevented dust clogging,while their low harmonic distortion(<10%THDi)avoided interference with nearby sensitive instrumentation.

Related Product Combination Solutions

**AC 800M CPU**(e.g.,PM864A):The primary controller powered by SDCS-POW-H01 3ADT318700R1501 in System 800xA applications.

SDCS-IO-H01:Complementary I/O power supply module for local fieldbus segments.

TB520/TB521:Terminal blocks with fuse holders designed for ABB power supply modules.

SDCS-COM-H01:Communication adapter that adds Modbus TCP or PROFIBUS DP to the SDCS-POW-H01 3ADT318700R1501 for remote monitoring.

3BSE013200R1:Redundant power supply backplane for AC 800M racks supporting dual SDCS-POW-H01 modules.

ABB Automation Builder:Engineering suite for system configuration,including power budget validation.

SDCS-POW-H02:Higher-current variant(20 A)for large I/O clusters or motor starter panels.

System 800xA Asset Optimization:Software that ingests power module diagnostics for predictive failure alerts.

Installation,Maintenance,and Full-Cycle Support

The SDCS-POW-H01 3ADT318700R1501 mounts directly onto standard DIN rails in ABB controller cabinets.For redundant setups,two units are connected via a shared bus bar with blocking diodes(included in backplane kits).Ensure adequate ventilation—minimum 50 mm clearance on all sides—and use appropriately sized wiring(≥2.5 mm²for 10 A loads).

During commissioning,verify input phase balance(if using three-phase distribution)and confirm no ground loops exist between power grounds and signal commons.The module’s green“OK”LED indicates normal operation;red“FAULT”illuminates for overloads or thermal events.Remote status can be monitored via the optional dry contact output wired to a PLC digital input.

As an authorized ABB automation partner,we supply only genuine SDCS-POW-H01 3ADT318700R1501 units,each tested for:

Output stability under dynamic load steps(0–100%)

Redundancy switchover performance(<1 ms dropout)

Thermal stress endurance at 70°C ambient

Conformal coating integrity(per IPC-CC-830B)

All modules include a 24-month warranty and access to ABB-certified technical support.Our inventory is managed under ESD-safe and humidity-controlled conditions to ensure long-term reliability.

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