• Schneider ASPRTU252
  • Schneider ASPRTU252
  • Schneider ASPRTU252
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Schneider Electric ASPRTU252 Modicon Compact Communication Module

Schneider Electric ASPRTU252 Modicon Compact Communication Module

Description

The Schneider Electric ASPRTU252 is a dedicated communication module designed for the Modicon Compact series, serving as a high-performance Remote Terminal Unit (RTU) interface. This module facilitates robust, deterministic data...

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Availability: In stock

SKU: ASPRTU252
Vendor: Schneider
Category: Communication Module
Related Series:

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Description

The Schneider Electric ASPRTU252 is a dedicated communication module designed for the Modicon Compact series, serving as a high-performance Remote Terminal Unit (RTU) interface. This module facilitates robust, deterministic data exchange between the host controller and remote field assets. By offloading communication protocol processing from the main CPU, the ASPRTU252 ensures consistent data throughput and minimizes bus latency, making it ideal for large-scale telemetry networks, energy distribution substations, and industrial monitoring applications where communication reliability is critical.

Features

  • Dedicated co-processor architecture for independent protocol handling, reducing host CPU overhead.
  • Supports standard Modbus RTU and Modbus ASCII protocols for broad interoperability.
  • Features dual selectable RS-232/RS-485 communication ports for flexible field connectivity.
  • High-level galvanic isolation (1500 VAC) between field-side serial loops and the internal backplane to protect against electrical surges and ground potential differences.
  • Integrated front-panel LED indicators for immediate status monitoring of transmit/receive activity and diagnostic fault detection.

Applications

This communication module is engineered for demanding industrial environments, including:

  • Petroleum and natural gas pipeline monitoring networks.
  • Remote thermal and hydroelectric power generation substations.
  • Mining facility data acquisition and remote extraction site management.
  • Wide-area industrial infrastructure requiring continuous serial data tracking.

Technical Specifications

Model ASPRTU252
Manufacturer Schneider Electric
Power Consumption 550 mA at 5 VDC (backplane powered)
Communication Protocols Modbus RTU, Modbus ASCII
Interfaces 2 x RS-232/RS-485 selectable ports
Max Baud Rate 19.2 Kbps per channel
Isolation Rating 1500 VAC (field-to-bus)
Operating Temperature 0 to 60 deg C
Storage Temperature -40 to 85 deg C
Relative Humidity 5 to 95% non-condensing

Installation Guidelines

  • Ensure the rack power is completely disconnected before inserting or removing the module from the Modicon Compact backplane.
  • The module occupies one standard slot on the Compact rail system; ensure the backplane connector is clean and free of debris before installation.
  • Use shielded twisted-pair cabling for RS-485 connections to maintain signal integrity in high-EMI environments.
  • Properly ground the cable shields at the designated chassis ground point to prevent ground loops.
  • Verify that port settings (RS-232/RS-485) match the physical wiring configuration before applying power.

FAQ

What protocols does the ASPRTU252 support?
The module is designed to support Modbus RTU and Modbus ASCII communication protocols for serial field devices.

How is the module powered?
The ASPRTU252 draws its operating power directly from the host chassis backplane rail, consuming 550 mA at 5 VDC.

Are the communication ports isolated?
Yes, the unit features galvanic isolation rated at 1500 VAC to protect the internal logic from field-side electrical disturbances.