ABB IMSPM01 serial port module

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• 1. Product Overview

  The ABB IMSPM01 Serial Port Module is a communication expansion module used in ABB Infi 90 / Symphony DCS systems.
  It provides additional serial interfaces for connecting smart field devices, third-party controllers, and remote I/O units.
  The module supports multiple communication standards such as RS-232, RS-485, and Modbus RTU, ensuring flexible and reliable data exchange within industrial automation environments.

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  2. Technical Specifications

  Item	Specification
  Model	IMSPM01
  Type	Serial Port Communication Module
  Applicable System	ABB Infi 90 / Symphony DCS
  Communication Ports	2 independent configurable serial ports (RS-232 / RS-485)
  Supported Protocols	Modbus RTU Master/Slave, ASCII, custom serial protocols
  Baud Rate Range	300 bps to 115.2 kbps
  Data Format	7/8 data bits, 1/2 stop bits, parity selectable
  Isolation Voltage	≥ 1500 VDC (communication to logic isolation)
  Auxiliary Power Supply	+24 VDC (via system backplane)
  Power Consumption	≤ 5 W
  Interface Type	DB9 or terminal block
  Indicators	TX / RX status LEDs
  Mounting Type	Plug-in module for Infi 90 backplane slot
  Operating Temperature	0°C to +60°C
  Storage Temperature	-40°C to +85°C
  Humidity	5% to 95% non-condensing
  Dimensions (approx.)	150 × 100 × 25 mm
  Weight	Approx. 0.3 kg
  Standards Compliance	IEC 61131, EN 61010, CE, UL Certified

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  3. Advantages & Features

  • Multi-protocol compatibility for flexible system integration.

  • Dual-channel design allowing simultaneous communication with multiple devices.

  • High electrical isolation enhances system reliability and noise immunity.

  • Industrial-grade durability for harsh environments.

  • Hot-swappable modular design for easy maintenance and system expansion.

  • Low-latency transmission ensures real-time communication performance.

  • Seamless compatibility with ABB Infi 90 / Symphony controllers.

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  4. Application Fields

  • Communication expansion for ABB Infi 90 / Symphony DCS

  • Industrial automation and process control systems

  • Power, metallurgy, chemical, and cement industries

  • SCADA and PLC communication integration

  • Third-party smart device interfacing

  • Industrial instrumentation and monitoring systems

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  5. Precautions

  1. Disconnect power before installing or replacing the module.

  2. Use shielded twisted-pair cables for RS-485 communication and ensure proper grounding.

  3. Match communication parameters (baud rate, parity, etc.) with connected devices.

  4. Keep cable length within the maximum range (typically ≤ 1200 m for RS-485).

  5. Avoid prolonged operation under extreme temperature or humidity.

  6. Regularly monitor TX/RX indicators and communication status.

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