A1SJ71AP23Q MELSEC A Series PLC Module - Mitsubishi Electric Communication Interface

Mitsubishi Profibus-DP module

A1SJ71AP23Q module specs

Melsec A series PLC

A1SJ71AP23Q

The Mitsubishi Profibus-DP module A1SJ71AP23Q provides high-speed communication for Melsec A series PLCs. A1SJ71AP23Q module specs include configurable parameters, robust performance, and seamless integration with industrial networks.

Specification

SEODescription

The Mitsubishi Profibus-DP module **A1SJ71AP23Q** is a communication interface designed for the **Melsec A series PLC**, enabling seamless integration into Profibus-DP networks. This module supports up to **64 Profibus-DP slave devices**, with a maximum data transfer rate of **12 Mbps**, and features **24V DC power input** (10.2–26.4V range). It operates within **0–55°C** temperatures, making it suitable for industrial automation, manufacturing, and process control applications. The module connects directly to the Melsec A series PLC base unit, providing **32 input/output points** for configuration and diagnostics. Key advantages include robust communication reliability, compatibility with Profibus-DP protocols, and simplified setup via GX Configurator-DP software. However, its dependency on specialized configuration tools and limited support for newer communication standards may pose challenges in modernized systems. The A1SJ71AP23Q module specs highlight its role in bridging legacy PLC systems with Profibus-DP networks.

SEOSpecification

Parameter	Specification
Manufacturer	Mitsubishi Electric
Model	A1SJ71AP23Q
Module Type	Profibus-DP Communication Module
PLC Series Compatibility	Melsec A Series
Communication Protocol	Profibus-DP (EN 50170)
Transmission Rate	9.6 kbps to 12 Mbps
Interface	RS-485 (via Sub-D 9-pin connector)
Electrical Isolation	Supported
Node Address Setting	0 to 126 (rotary switch)
Max Nodes per Network	125 slaves
Input Voltage	5 V DC (internal) / 24 V DC (external)
Current Consumption	0.3 A (5 V DC), 80 mA (24 V DC)
Operating Temperature	0°C to 55°C
Storage Temperature	-25°C to 75°C
Certifications	CE, UL, cULus

SEOQandA

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question:What ensures your product quality and reliability?
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SEOQandA_Product

question:How to resolve communication failure between A1SJ71AP23Q and Profibus-DP master?
answer:Verify Profibus address settings, check cable connections, and ensure proper termination resistors are installed.
question:Why does A1SJ71AP23Q show 'No Response' status in GX Configurator?
answer:Confirm the node address matches hardware settings, check DIP switch configuration, and validate network power supply.
question:How to troubleshoot A1SJ71AP23Q LED error indicators?
answer:Refer to the manual for LED status definitions, check module power, configuration, and cable integrity.
question:What causes intermittent data loss with A1SJ71AP23Q?
answer:Use shielded Profibus cables, ensure proper grounding, and avoid proximity to high-frequency interference sources.
question:How to fix configuration mismatch errors in A1SJ71AP23Q?
answer:Validate GX Configurator-DP parameters, ensure baud rate alignment, and re-download the correct configuration.