SDCS-PIN-4-COAT
SDCS-PIN-4-COAT
SDCS-PIN-4-COAT

ABB SDCS-PIN-4-COAT | Protected Connector Module for ACS Series Drives

  • Brand: ABB
  • Model: SDCS-PIN-4-COAT
  • Product Type: Conformal Coated Interface Module
  • Series: SDCS (Drive Control System)
  • Core Function: Provides protected electrical connectivity for drive control systems; resists corrosion in harsh industrial environments.
  • Key Specs: 4-pin configuration, conformal coating (polyurethane), IP65 protection, -40°C to +85°C operating range.
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Part number: ABB SDCS-PIN-4-COAT
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Description

SDCS-PIN-4-COAT: Product Overview
This component is a conformal coated interface module designed for ABB’s SDCS (Drive Control System) series, including ACS 800/880 variable frequency drives (VFDs) and related control systems. Its position in an automation system is as a protected electrical connector, typically mounted on drive control panels or field junction boxes. It facilitates signal transmission between the drive’s internal circuitry and external devices (e.g., sensors, actuators, or PLCs) while shielding against corrosive elements, moisture, and dust.
The core functionality involves establishing reliable electrical connections for control signals (e.g., digital I/O, analog feedback) with enhanced environmental resistance. The module’s pins are coated with a thin polyurethane conformal layer, which prevents ingress of chemicals, salt mist, or humidity without compromising conductivity. It supports signal types including 24V DC digital inputs/outputs and 4-20mA analog signals, and is engineered to maintain contact integrity under vibration (IEC 60068-2-6) and thermal cycling.
This module belongs to the SDCS product family, a platform focused on integrating ABB drives with industrial control networks. Benefits include simplified field wiring via pre-terminated connectors, reduced maintenance in corrosive environments (e.g., chemical plants, offshore platforms), and compliance with industry standards for harsh-duty components (IEC 60529, NEMA 4X). The coating process is applied post-assembly to ensure full coverage of critical contact surfaces.

SDCS-PIN-4-COAT

SDCS-PIN-4-COAT

SDCS-PIN-4-COAT: Technical Specifications
  • Model Number: SDCS-PIN-4-COAT
  • Manufacturer: ABB
  • Product Type: Conformal Coated Interface Module
  • Series: SDCS (Drive Control System)
  • Pin Configuration: 4-pin (2x signal, 2x power/ground)
  • Coating Material: Polyurethane conformal coating (thickness 25-50μm)
  • Protection Rating: IP65 (dust-tight, water-jet resistant)
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -55°C to +105°C
  • Vibration Resistance: 5-150Hz, 1.5mm amplitude, 10g peak acceleration
  • Contact Rating: 250V AC/DC, 5A per pin
  • Insulation Resistance: >100MΩ at 500V DC
  • Material: PBT housing (UL94 V-0 flammability rating)
  • Weight: 0.05 kg
Core Features & Customer Value​
Conformal coating ensures corrosion resistance. The polyurethane layer seals pins against chemical splashes (e.g., acids, alkalis), salt spray (marine environments), and high humidity. For facilities like chemical refineries or offshore oil platforms, this prevents oxidation and contact failure, extending module life from 2-3 years (uncoated) to 7+ years in harsh conditions.
IP65 protection maintains reliability in wet/dusty settings. The sealed housing blocks water jets and airborne particulates, critical for outdoor installations (e.g., pump stations, solar farms) or indoor areas with washdown requirements (food processing). For maintenance teams, this reduces the frequency of connector cleaning and replacement.
4-pin configuration supports versatile signal integration. The module accommodates 2 signal pairs (e.g., start/stop commands and status feedback) with power/ground, eliminating the need for multiple connectors. Engineers can standardize on this module for diverse field devices, simplifying inventory and wiring schematics.
Vibration-resistant design suits dynamic applications. Compliance with IEC 60068-2-6 ensures stable contact under machinery vibration (e.g., conveyor systems, compressors). For end-users, this minimizes intermittent faults that disrupt production, particularly in heavy industrial settings.
Modular compatibility streamlines upgrades. The module mates with ABB ACS 800/880 drive I/O boards and S800 I/O systems, allowing drop-in replacement of standard (uncoated) connectors. For system integrators, this avoids redesigning control panels when upgrading to harsh-environment configurations.

SDCS-PIN-4-COAT

SDCS-PIN-4-COAT

Typical Applications​
In a coastal wastewater treatment plant, this module connects level sensors to an ACS 880 drive controlling lift pumps. Its IP65 rating and coating resist saltwater mist, preventing corrosion-induced signal loss in the aeration basin area.
For an offshore wind turbine pitch control system, the module interfaces the drive with blade angle sensors. The -40°C to +85°C range withstands temperature swings at tower height, while the coating protects against salt corrosion from sea spray.
In a pulp mill’s bleach plant, the module connects pH sensors to a drive regulating chemical dosing pumps. The conformal coating prevents degradation from chlorine gas exposure, ensuring reliable process control in the aggressive chemical environment.
At a mining conveyor system, the module links emergency stop buttons to drive safety circuits. Its vibration resistance maintains contact integrity despite continuous belt vibration, critical for preventing uncontrolled belt movement.

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