Fnc171 - Gbin / Gray Code To Decimal Conversion - Mitsubishi FX3U Series Programming Manual

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Table of Contents

Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

FNC171 – GBIN / Gray Code to Decimal Conversion

This instruction converts a gray code into a binary value, and transfers it.

1. Instruction format

Operand Type

3. Applicable devices

X Y M T C S D .b KnX KnY KnM KnS T C D R U \G

Explanation of function and operation

1. 16-bit operation (GBIN and GBINP)

is K3X000 and

- This instruction can be used for detecting an absolute position by a gray code type encoder.

can store a value from 0 to 32,767.

2. 32-bit operation (DGBIN and DGBINP)

- A gray code can be converted into a binary value of up to 32 bits.

can store a value from 0 to 2,147,483,647.

When an input relay (X) is specified as

The filter constant can be changed in X000 to X017 using REFF (FNC 51) instruction or D8020 (filter

adjustment) so that the filter constant delay is eliminated.

16-bit Instruction

Conversion source data or word device storing conversion source data

Word device storing data after conversion

Digit Specification

22.2 FNC171 – GBIN / Gray Code to Decimal Conversion

Operation Condition

32-bit Instruction

Pulse (Single)

Word Devices

This instruction converts and transfers data from

the source (gray code) to the destination (binary).

, the response relay will be "Scan time of PLC + Input filter

22 External Device – FNC170 to FNC179

Operation Condition

16- or 32-bit binary

V Z Modify K H

Pulse (Single)

Fx3uc series Melsec-f