ABB 57360001‑HC (DSMC112) floppy disk controller module
May 30, 2026

ABB 57360001‑HC (DSMC112) floppy disk controller module

ABB 57360001‑HC, also designated DSMC112, is a floppy disk controller module for ABB S5 series industrial control systems. It enables reading and writing to 3.5‑inch floppy disks, supporting program loading, saving, and data backup for PLC/DCS systems. The module offers reliable data storage and retrieval in legacy automation environments, serving as a critical component for system maintenance and configuration.

Description

Product Introduction

ABB 57360001‑HC, also designated DSMC112, is a floppy disk controller module for ABB S5 series industrial control systems. It enables reading and writing to 3.5‑inch floppy disks, supporting program loading, saving, and data backup for PLC/DCS systems. The module offers reliable data storage and retrieval in legacy automation environments, serving as a critical component for system maintenance and configuration.

Model Interpretation

  • 57360001‑HC: ABB official part number for ordering and traceability.

  • DSMC112: Standard product name (Disk Controller Module 112).

  • ‑HC: Hardware version code indicating specific component revision and configuration.

Technical Parameters

  • Power Supply: 24 V DC ±20%, typical power consumption ≤5 W.

  • Operating Temperature: 0 °C to +55 °C.

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

  • Relative Humidity: 5%–95%, non‑condensing.

  • Protection Class: IP20 (for cabinet installation).

  • Dimensions (mm): Approx. 140 × 85 × 60.

  • Weight: Approx. 1.3 kg.

  • Floppy Disk Support: 3.5‑inch standard floppy disks.

Interface and Communication Configuration

  • Disk Interface: Dedicated connector for 3.5‑inch floppy disk drives.

  • System Bus: ABB S5 backplane bus for direct integration with CPU and I/O modules.

  • Communication Port: RS‑485 interface for data exchange with host systems.

  • Status Indicators: Onboard LEDs for power, activity, and fault diagnostics.

Core Functions

  • Program Loading: Transfers control programs from floppy disk to PLC/DCS memory.

  • Program Saving: Backs up running programs from the controller to floppy disk.

  • Data Backup: Stores system configuration, logs, and process data on removable media.

  • System Recovery: Facilitates quick restoration of controller configuration during maintenance.

  • Legacy Support: Ensures compatibility with older ABB S5 systems using floppy‑based workflows.

Application Scenarios

  • System Compatibility: ABB S5 series PLC and DCS environments.

  • Industrial Sectors: Power, chemical, metallurgy, pulp and paper, and water treatment.

  • Use Cases: Legacy system maintenance, program backup/restore, and spare part replacement.

Operation and Maintenance Instructions

  • Installation: Insert into standard S5 rack, ensure secure seating and proper grounding.

  • Wiring: Connect floppy drive cable to the module’s disk interface; separate signal cables from power cables.

  • Maintenance: Inspect LED indicators quarterly; clean contacts with dry cloth if dusty.

  • Replacement: Power off the system before removal; handle by edges to avoid static damage.

  • Handling: Use only 3.5‑inch floppy disks; avoid bending disks or exposing them to moisture.


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