DA1AH

Parameter Setting Instruction Execution Limit Error

Mitsubishi Electric · MELSEC iQ-R Module Dedicated Instructions

What does DA1AH mean?

This error is detected if the G(P).CCPASETX instruction is executed two or more times after power-on. This instruction is designed for setting parameters for CC-Link IE TSN modules and should only be executed once per power cycle.

Common Causes

  • The G(P).CCPASETX instruction is executed two or more times after power-on of the system.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the G(P).CCPASETX instruction is executed only once per power cycle within the program logic.

  2. 2

    Cycle power to the system if the instruction has been executed multiple times in the current power cycle.

  3. 3

    Review the program to confirm the G(P).CCPASETX instruction is not inadvertently called redundantly.

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Verified technical data. Last updated: March 2026

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Source: Mitsubishi Electric MELSEC iQ-R Module Dedicated Instructions