Product Introduction

Model Interpretation

• 57310001‑LM: ABB material number for ordering and traceability.

• DSCS131: Product series (communication board for AC 400/MasterPiece).

• 57310001: Base part number; ‑LM: hardware version/confguration variant.

Technical Parameters

• Module Type: Dual‑channel isolated communication board.

• Power Supply: 24 V DC (via rack backplane, 19.2–30 V DC).

• Current Consumption: Approx. 100 mA.

• Operating Temperature: 0 °C to +60 °C.

• Storage Temperature: ‑40 °C to +85 °C.

• Isolation Voltage: ≥500 VRMS (bus‑to‑backplane).

• Protection Class: IP20.

• Dimensions: 228.6 × 19.8 × 321.3 mm.

• Weight: Approx. 0.46 kg.

• Certifications: CE, UL, CSA, RoHS.

Interface and Communication Configuration

• Bus Interface: MasterBus 300 / AF100 proprietary bus (controller side).

• I/O Interface: Dual isolated channels for remote I/O racks.

• Data Rate: Up to 1 Mbps (bus).

• LED Indicators: Power, RUN, FAULT, and communication status for diagnostics.

• Backplane Connection: AC 400 series subrack, plug‑in design.

• Cabling: Shielded twisted pair recommended; separate from power cables for EMC.

Core Functions

• Bus Extension: Connects central controller to distributed I/O racks, extending control reach.

• Real‑Time Data Exchange: High‑speed, low‑latency communication for time‑critical process control.

• Electrical Isolation: 500 VRMS isolation reduces ground loops and EMI in harsh environments.

• Redundancy Support: Enables redundant communication paths for high‑availability systems.

• Diagnostics & Monitoring: Onboard LEDs and controller‑based monitoring for quick fault localization.

• Hot‑Swap: Supports replacement during system operation in compatible redundant racks.

Application Scenarios

• System Compatibility: ABB AC 400, MasterPiece 200/200/1, Symphony Harmony, INFI 90 DCS.

• Industries: Power generation, oil and gas, chemical, pulp and paper, metallurgy, water treatment.

• Typical Uses: Connecting remote I/O racks, PLCs, and third‑party devices to AC 400 controllers; legacy system maintenance.

Operation and Maintenance Instructions

• Installation: Insert into designated slot of AC 400 subrack; ensure proper grounding and cooling clearance.

• Wiring: Use shielded twisted pair for bus lines; isolate from AC power cables to avoid interference.

• Configuration: Set bus address, data rate, and redundancy mode via system engineering tools.

• Maintenance: Inspect connections and LEDs quarterly; clean dust with dry cloth; update firmware during scheduled downtime.

• Replacement: Hot‑swap in redundant systems; power off non‑redundant racks before removal.

• Troubleshooting: Check LED status; verify cabling and termination; use controller diagnostics for fault isolation.